1f453ba04SDave Airlie /* 2f453ba04SDave Airlie * Copyright (c) 2006-2008 Intel Corporation 3f453ba04SDave Airlie * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 4f453ba04SDave Airlie * Copyright (c) 2008 Red Hat Inc. 5f453ba04SDave Airlie * 6f453ba04SDave Airlie * DRM core CRTC related functions 7f453ba04SDave Airlie * 8f453ba04SDave Airlie * Permission to use, copy, modify, distribute, and sell this software and its 9f453ba04SDave Airlie * documentation for any purpose is hereby granted without fee, provided that 10f453ba04SDave Airlie * the above copyright notice appear in all copies and that both that copyright 11f453ba04SDave Airlie * notice and this permission notice appear in supporting documentation, and 12f453ba04SDave Airlie * that the name of the copyright holders not be used in advertising or 13f453ba04SDave Airlie * publicity pertaining to distribution of the software without specific, 14f453ba04SDave Airlie * written prior permission. The copyright holders make no representations 15f453ba04SDave Airlie * about the suitability of this software for any purpose. It is provided "as 16f453ba04SDave Airlie * is" without express or implied warranty. 17f453ba04SDave Airlie * 18f453ba04SDave Airlie * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19f453ba04SDave Airlie * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 20f453ba04SDave Airlie * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 21f453ba04SDave Airlie * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 22f453ba04SDave Airlie * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 23f453ba04SDave Airlie * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24f453ba04SDave Airlie * OF THIS SOFTWARE. 25f453ba04SDave Airlie * 26f453ba04SDave Airlie * Authors: 27f453ba04SDave Airlie * Keith Packard 28f453ba04SDave Airlie * Eric Anholt <eric@anholt.net> 29f453ba04SDave Airlie * Dave Airlie <airlied@linux.ie> 30f453ba04SDave Airlie * Jesse Barnes <jesse.barnes@intel.com> 31f453ba04SDave Airlie */ 326ba6d03eSVille Syrjälä #include <linux/ctype.h> 33f453ba04SDave Airlie #include <linux/list.h> 345a0e3ad6STejun Heo #include <linux/slab.h> 352d1a8a48SPaul Gortmaker #include <linux/export.h> 36760285e7SDavid Howells #include <drm/drmP.h> 37760285e7SDavid Howells #include <drm/drm_crtc.h> 38760285e7SDavid Howells #include <drm/drm_edid.h> 39760285e7SDavid Howells #include <drm/drm_fourcc.h> 4051fd371bSRob Clark #include <drm/drm_modeset_lock.h> 4188a48e29SRob Clark #include <drm/drm_atomic.h> 42f453ba04SDave Airlie 438bd441b2SDaniel Vetter #include "drm_crtc_internal.h" 4467d0ec4eSDaniel Vetter #include "drm_internal.h" 458bd441b2SDaniel Vetter 469a6f5130SChris Wilson static struct drm_framebuffer * 479a6f5130SChris Wilson internal_framebuffer_create(struct drm_device *dev, 481eb83451SVille Syrjälä const struct drm_mode_fb_cmd2 *r, 49c394c2b0SMatt Roper struct drm_file *file_priv); 50c394c2b0SMatt Roper 51f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 52f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 53d20d3174SVille Syrjälä const char *fnname(int val) \ 54f453ba04SDave Airlie { \ 55f453ba04SDave Airlie int i; \ 56f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 57f453ba04SDave Airlie if (list[i].type == val) \ 58f453ba04SDave Airlie return list[i].name; \ 59f453ba04SDave Airlie } \ 60f453ba04SDave Airlie return "(unknown)"; \ 61f453ba04SDave Airlie } 62f453ba04SDave Airlie 63f453ba04SDave Airlie /* 64f453ba04SDave Airlie * Global properties 65f453ba04SDave Airlie */ 664dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dpms_enum_list[] = { 674dfd909fSThierry Reding { DRM_MODE_DPMS_ON, "On" }, 68f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 69f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 70f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 71f453ba04SDave Airlie }; 72f453ba04SDave Airlie 73f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 74f453ba04SDave Airlie 754dfd909fSThierry Reding static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { 769922ab5aSRob Clark { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, 779922ab5aSRob Clark { DRM_PLANE_TYPE_PRIMARY, "Primary" }, 789922ab5aSRob Clark { DRM_PLANE_TYPE_CURSOR, "Cursor" }, 799922ab5aSRob Clark }; 809922ab5aSRob Clark 81f453ba04SDave Airlie /* 82f453ba04SDave Airlie * Optional properties 83f453ba04SDave Airlie */ 844dfd909fSThierry Reding static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = { 8553bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 8653bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 8753bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 8853bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 89f453ba04SDave Airlie }; 90f453ba04SDave Airlie 91ff587e45SVandana Kannan static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { 92ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, 93ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, 94ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, 95ff587e45SVandana Kannan }; 96ff587e45SVandana Kannan 97f453ba04SDave Airlie /* 98f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 99f453ba04SDave Airlie */ 1004dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { 101f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 102f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 103f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 104f453ba04SDave Airlie }; 105f453ba04SDave Airlie 106f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 107f453ba04SDave Airlie 1084dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { 109f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 111f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 112f453ba04SDave Airlie }; 113f453ba04SDave Airlie 114f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 115f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 116f453ba04SDave Airlie 1174dfd909fSThierry Reding static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { 118f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 119f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 122aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 123f453ba04SDave Airlie }; 124f453ba04SDave Airlie 125f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 126f453ba04SDave Airlie 1274dfd909fSThierry Reding static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { 128f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 129f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 130f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 131f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 132aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 133f453ba04SDave Airlie }; 134f453ba04SDave Airlie 135f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 136f453ba04SDave Airlie drm_tv_subconnector_enum_list) 137f453ba04SDave Airlie 138d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 139884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 140884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 141884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 142884840aaSJakob Bornecrantz }; 143884840aaSJakob Bornecrantz 144f453ba04SDave Airlie struct drm_conn_prop_enum_list { 145f453ba04SDave Airlie int type; 146d20d3174SVille Syrjälä const char *name; 147b21e3afeSIlia Mirkin struct ida ida; 148f453ba04SDave Airlie }; 149f453ba04SDave Airlie 150f453ba04SDave Airlie /* 151f453ba04SDave Airlie * Connector and encoder types. 152f453ba04SDave Airlie */ 1534dfd909fSThierry Reding static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { 1544dfd909fSThierry Reding { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, 155b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VGA, "VGA" }, 156b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, 157b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, 158b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, 159b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Composite, "Composite" }, 160b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, 161b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, 162b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Component, "Component" }, 163b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, 164b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, 165b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, 166b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, 167b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_TV, "TV" }, 168b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_eDP, "eDP" }, 169b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, 170b8923273SShobhit Kumar { DRM_MODE_CONNECTOR_DSI, "DSI" }, 171f453ba04SDave Airlie }; 172f453ba04SDave Airlie 1734dfd909fSThierry Reding static const struct drm_prop_enum_list drm_encoder_enum_list[] = { 1744dfd909fSThierry Reding { DRM_MODE_ENCODER_NONE, "None" }, 175f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 176f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 177f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 178f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 179a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 180b8923273SShobhit Kumar { DRM_MODE_ENCODER_DSI, "DSI" }, 181182407a6SDave Airlie { DRM_MODE_ENCODER_DPMST, "DP MST" }, 182f453ba04SDave Airlie }; 183f453ba04SDave Airlie 1844dfd909fSThierry Reding static const struct drm_prop_enum_list drm_subpixel_enum_list[] = { 185ac1bb36cSJesse Barnes { SubPixelUnknown, "Unknown" }, 186ac1bb36cSJesse Barnes { SubPixelHorizontalRGB, "Horizontal RGB" }, 187ac1bb36cSJesse Barnes { SubPixelHorizontalBGR, "Horizontal BGR" }, 188ac1bb36cSJesse Barnes { SubPixelVerticalRGB, "Vertical RGB" }, 189ac1bb36cSJesse Barnes { SubPixelVerticalBGR, "Vertical BGR" }, 190ac1bb36cSJesse Barnes { SubPixelNone, "None" }, 191ac1bb36cSJesse Barnes }; 192ac1bb36cSJesse Barnes 193b21e3afeSIlia Mirkin void drm_connector_ida_init(void) 194b21e3afeSIlia Mirkin { 195b21e3afeSIlia Mirkin int i; 196b21e3afeSIlia Mirkin 197b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 198b21e3afeSIlia Mirkin ida_init(&drm_connector_enum_list[i].ida); 199b21e3afeSIlia Mirkin } 200b21e3afeSIlia Mirkin 201b21e3afeSIlia Mirkin void drm_connector_ida_destroy(void) 202b21e3afeSIlia Mirkin { 203b21e3afeSIlia Mirkin int i; 204b21e3afeSIlia Mirkin 205b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 206b21e3afeSIlia Mirkin ida_destroy(&drm_connector_enum_list[i].ida); 207b21e3afeSIlia Mirkin } 208b21e3afeSIlia Mirkin 209c8e32cc1SDaniel Vetter /** 210c8e32cc1SDaniel Vetter * drm_get_connector_status_name - return a string for connector status 211c8e32cc1SDaniel Vetter * @status: connector status to compute name of 212c8e32cc1SDaniel Vetter * 213c8e32cc1SDaniel Vetter * In contrast to the other drm_get_*_name functions this one here returns a 214c8e32cc1SDaniel Vetter * const pointer and hence is threadsafe. 215c8e32cc1SDaniel Vetter */ 216d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 217f453ba04SDave Airlie { 218f453ba04SDave Airlie if (status == connector_status_connected) 219f453ba04SDave Airlie return "connected"; 220f453ba04SDave Airlie else if (status == connector_status_disconnected) 221f453ba04SDave Airlie return "disconnected"; 222f453ba04SDave Airlie else 223f453ba04SDave Airlie return "unknown"; 224f453ba04SDave Airlie } 225ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 226f453ba04SDave Airlie 227ac1bb36cSJesse Barnes /** 228ac1bb36cSJesse Barnes * drm_get_subpixel_order_name - return a string for a given subpixel enum 229ac1bb36cSJesse Barnes * @order: enum of subpixel_order 230ac1bb36cSJesse Barnes * 231ac1bb36cSJesse Barnes * Note you could abuse this and return something out of bounds, but that 232ac1bb36cSJesse Barnes * would be a caller error. No unscrubbed user data should make it here. 233ac1bb36cSJesse Barnes */ 234ac1bb36cSJesse Barnes const char *drm_get_subpixel_order_name(enum subpixel_order order) 235ac1bb36cSJesse Barnes { 236ac1bb36cSJesse Barnes return drm_subpixel_enum_list[order].name; 237ac1bb36cSJesse Barnes } 238ac1bb36cSJesse Barnes EXPORT_SYMBOL(drm_get_subpixel_order_name); 239ac1bb36cSJesse Barnes 2406ba6d03eSVille Syrjälä static char printable_char(int c) 2416ba6d03eSVille Syrjälä { 2426ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2436ba6d03eSVille Syrjälä } 2446ba6d03eSVille Syrjälä 245c8e32cc1SDaniel Vetter /** 246c8e32cc1SDaniel Vetter * drm_get_format_name - return a string for drm fourcc format 247c8e32cc1SDaniel Vetter * @format: format to compute name of 248c8e32cc1SDaniel Vetter * 249c8e32cc1SDaniel Vetter * Note that the buffer used by this function is globally shared and owned by 250c8e32cc1SDaniel Vetter * the function itself. 251c8e32cc1SDaniel Vetter * 252c8e32cc1SDaniel Vetter * FIXME: This isn't really multithreading safe. 253c8e32cc1SDaniel Vetter */ 254d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2556ba6d03eSVille Syrjälä { 2566ba6d03eSVille Syrjälä static char buf[32]; 2576ba6d03eSVille Syrjälä 2586ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 2596ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 2606ba6d03eSVille Syrjälä printable_char(format & 0xff), 2616ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 2626ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 2636ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 2646ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 2656ba6d03eSVille Syrjälä format); 2666ba6d03eSVille Syrjälä 2676ba6d03eSVille Syrjälä return buf; 2686ba6d03eSVille Syrjälä } 2696ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 2706ba6d03eSVille Syrjälä 2712ee39452SDave Airlie /* 2722ee39452SDave Airlie * Internal function to assign a slot in the object idr and optionally 2732ee39452SDave Airlie * register the object into the idr. 2742ee39452SDave Airlie */ 2752ee39452SDave Airlie static int drm_mode_object_get_reg(struct drm_device *dev, 2762ee39452SDave Airlie struct drm_mode_object *obj, 2772ee39452SDave Airlie uint32_t obj_type, 2782ee39452SDave Airlie bool register_obj) 2792ee39452SDave Airlie { 2802ee39452SDave Airlie int ret; 2812ee39452SDave Airlie 2822ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 2832ee39452SDave Airlie ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); 2842ee39452SDave Airlie if (ret >= 0) { 2852ee39452SDave Airlie /* 2862ee39452SDave Airlie * Set up the object linking under the protection of the idr 2872ee39452SDave Airlie * lock so that other users can't see inconsistent state. 2882ee39452SDave Airlie */ 2892ee39452SDave Airlie obj->id = ret; 2902ee39452SDave Airlie obj->type = obj_type; 2912ee39452SDave Airlie } 2922ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 2932ee39452SDave Airlie 2942ee39452SDave Airlie return ret < 0 ? ret : 0; 2952ee39452SDave Airlie } 2962ee39452SDave Airlie 297f453ba04SDave Airlie /** 298065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 299f453ba04SDave Airlie * @dev: DRM device 300065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 301065a50edSDaniel Vetter * @obj_type: object type 302f453ba04SDave Airlie * 303f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 304c8e32cc1SDaniel Vetter * for tracking modes, CRTCs and connectors. Note that despite the _get postfix 305c8e32cc1SDaniel Vetter * modeset identifiers are _not_ reference counted. Hence don't use this for 306c8e32cc1SDaniel Vetter * reference counted modeset objects like framebuffers. 307f453ba04SDave Airlie * 308c8e32cc1SDaniel Vetter * Returns: 3093c67d839SLukas Wunner * Zero on success, error code on failure. 310f453ba04SDave Airlie */ 3118bd441b2SDaniel Vetter int drm_mode_object_get(struct drm_device *dev, 312f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 313f453ba04SDave Airlie { 3142ee39452SDave Airlie return drm_mode_object_get_reg(dev, obj, obj_type, true); 3154b096ac1SDaniel Vetter } 3164b096ac1SDaniel Vetter 3172ee39452SDave Airlie static void drm_mode_object_register(struct drm_device *dev, 3182ee39452SDave Airlie struct drm_mode_object *obj) 3192ee39452SDave Airlie { 3202ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 3212ee39452SDave Airlie idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); 3222ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 323f453ba04SDave Airlie } 324f453ba04SDave Airlie 325f453ba04SDave Airlie /** 3267c8f6d25SDave Airlie * drm_mode_object_unregister - free a modeset identifer 327f453ba04SDave Airlie * @dev: DRM device 328065a50edSDaniel Vetter * @object: object to free 329f453ba04SDave Airlie * 3307c8f6d25SDave Airlie * Free @id from @dev's unique identifier pool. 3317c8f6d25SDave Airlie * This function can be called multiple times, and guards against 3327c8f6d25SDave Airlie * multiple removals. 3337c8f6d25SDave Airlie * These modeset identifiers are _not_ reference counted. Hence don't use this 334c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 335f453ba04SDave Airlie */ 3367c8f6d25SDave Airlie void drm_mode_object_unregister(struct drm_device *dev, 337f453ba04SDave Airlie struct drm_mode_object *object) 338f453ba04SDave Airlie { 339ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 3407c8f6d25SDave Airlie if (object->id) { 341f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 3427c8f6d25SDave Airlie object->id = 0; 3437c8f6d25SDave Airlie } 344ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 345f453ba04SDave Airlie } 346f453ba04SDave Airlie 34798f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 34898f75de4SRob Clark uint32_t id, uint32_t type) 34998f75de4SRob Clark { 35098f75de4SRob Clark struct drm_mode_object *obj = NULL; 35198f75de4SRob Clark 35298f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 35398f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 354168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 355168c02ecSDaniel Vetter obj = NULL; 356168c02ecSDaniel Vetter if (obj && obj->id != id) 357168c02ecSDaniel Vetter obj = NULL; 358168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 3596bcacf51SDaniel Stone if (obj && 3606bcacf51SDaniel Stone (obj->type == DRM_MODE_OBJECT_FB || 3616bcacf51SDaniel Stone obj->type == DRM_MODE_OBJECT_BLOB)) 36298f75de4SRob Clark obj = NULL; 36398f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 36498f75de4SRob Clark 36598f75de4SRob Clark return obj; 36698f75de4SRob Clark } 36798f75de4SRob Clark 368786b99edSDaniel Vetter /** 369786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 370786b99edSDaniel Vetter * @dev: drm device 371786b99edSDaniel Vetter * @id: id of the mode object 372786b99edSDaniel Vetter * @type: type of the mode object 373786b99edSDaniel Vetter * 374786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 37598f75de4SRob Clark * are reference counted, they need special treatment. Even with 37698f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 37798f75de4SRob Clark * rather than WARN_ON()). 378786b99edSDaniel Vetter */ 3797a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3807a9c9060SDaniel Vetter uint32_t id, uint32_t type) 381f453ba04SDave Airlie { 382ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 383f453ba04SDave Airlie 384786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 385786b99edSDaniel Vetter * function.*/ 3866bcacf51SDaniel Stone WARN_ON(type == DRM_MODE_OBJECT_FB || type == DRM_MODE_OBJECT_BLOB); 38798f75de4SRob Clark obj = _object_find(dev, id, type); 388f453ba04SDave Airlie return obj; 389f453ba04SDave Airlie } 390f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 391f453ba04SDave Airlie 392f55f1f91SDave Airlie static void drm_framebuffer_free(struct kref *kref) 393f55f1f91SDave Airlie { 394f55f1f91SDave Airlie struct drm_framebuffer *fb = 395f55f1f91SDave Airlie container_of(kref, struct drm_framebuffer, refcount); 396f55f1f91SDave Airlie struct drm_device *dev = fb->dev; 397f55f1f91SDave Airlie 398f55f1f91SDave Airlie /* 399f55f1f91SDave Airlie * The lookup idr holds a weak reference, which has not necessarily been 400f55f1f91SDave Airlie * removed at this point. Check for that. 401f55f1f91SDave Airlie */ 402f55f1f91SDave Airlie mutex_lock(&dev->mode_config.fb_lock); 40319ab3f8bSDave Airlie drm_mode_object_unregister(dev, &fb->base); 404f55f1f91SDave Airlie mutex_unlock(&dev->mode_config.fb_lock); 405f55f1f91SDave Airlie 406f55f1f91SDave Airlie fb->funcs->destroy(fb); 407f55f1f91SDave Airlie } 408f55f1f91SDave Airlie 409f453ba04SDave Airlie /** 410f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 411f453ba04SDave Airlie * @dev: DRM device 412065a50edSDaniel Vetter * @fb: framebuffer to be initialized 413065a50edSDaniel Vetter * @funcs: ... with these functions 414f453ba04SDave Airlie * 415f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 416f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 417f453ba04SDave Airlie * 4184b096ac1SDaniel Vetter * IMPORTANT: 4194b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 4204b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 4214b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 4224b096ac1SDaniel Vetter * locking but only correct reference counting is required. 4234b096ac1SDaniel Vetter * 424c8e32cc1SDaniel Vetter * Returns: 425af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 426f453ba04SDave Airlie */ 427f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 428f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 429f453ba04SDave Airlie { 430f453ba04SDave Airlie int ret; 431f453ba04SDave Airlie 4324b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 433f7eff60eSRob Clark kref_init(&fb->refcount); 4344b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4354b096ac1SDaniel Vetter fb->dev = dev; 4364b096ac1SDaniel Vetter fb->funcs = funcs; 437f7eff60eSRob Clark 438f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 4396bfc56aaSVille Syrjälä if (ret) 4404b096ac1SDaniel Vetter goto out; 441f453ba04SDave Airlie 442f453ba04SDave Airlie dev->mode_config.num_fb++; 443f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4444b096ac1SDaniel Vetter out: 4454b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 446f453ba04SDave Airlie 4473c67d839SLukas Wunner return ret; 448f453ba04SDave Airlie } 449f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 450f453ba04SDave Airlie 4512b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4522b677e8cSDaniel Vetter uint32_t id) 4532b677e8cSDaniel Vetter { 4542b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4552b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4562b677e8cSDaniel Vetter 4572b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4582b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4592b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4602b677e8cSDaniel Vetter fb = NULL; 4612b677e8cSDaniel Vetter else 4622b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4632b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4642b677e8cSDaniel Vetter 4652b677e8cSDaniel Vetter return fb; 4662b677e8cSDaniel Vetter } 4672b677e8cSDaniel Vetter 468f7eff60eSRob Clark /** 469786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 470786b99edSDaniel Vetter * @dev: drm device 471786b99edSDaniel Vetter * @id: id of the fb object 472786b99edSDaniel Vetter * 473786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 474786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 475c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 476786b99edSDaniel Vetter */ 477786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 478786b99edSDaniel Vetter uint32_t id) 479786b99edSDaniel Vetter { 480786b99edSDaniel Vetter struct drm_framebuffer *fb; 481786b99edSDaniel Vetter 482786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4832b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 48483f45fc3SDaniel Vetter if (fb) { 48583f45fc3SDaniel Vetter if (!kref_get_unless_zero(&fb->refcount)) 48683f45fc3SDaniel Vetter fb = NULL; 48783f45fc3SDaniel Vetter } 488786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 489786b99edSDaniel Vetter 490786b99edSDaniel Vetter return fb; 491786b99edSDaniel Vetter } 492786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 493786b99edSDaniel Vetter 494786b99edSDaniel Vetter /** 495f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 496065a50edSDaniel Vetter * @fb: framebuffer to unref 497065a50edSDaniel Vetter * 498065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 499f7eff60eSRob Clark */ 500f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 501f7eff60eSRob Clark { 5028291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 503f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 504f7eff60eSRob Clark } 505f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 506f7eff60eSRob Clark 507f7eff60eSRob Clark /** 508f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 509065a50edSDaniel Vetter * @fb: framebuffer 510c8e32cc1SDaniel Vetter * 511c8e32cc1SDaniel Vetter * This functions increments the fb's refcount. 512f7eff60eSRob Clark */ 513f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 514f7eff60eSRob Clark { 5158291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 516f7eff60eSRob Clark kref_get(&fb->refcount); 517f7eff60eSRob Clark } 518f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 519f7eff60eSRob Clark 520f453ba04SDave Airlie /** 52136206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 52236206361SDaniel Vetter * @fb: fb to unregister 52336206361SDaniel Vetter * 52436206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 52536206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 52636206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 52736206361SDaniel Vetter * locking inversion). 52836206361SDaniel Vetter */ 52936206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 53036206361SDaniel Vetter { 531a39a357cSDaniel Vetter struct drm_device *dev; 532a39a357cSDaniel Vetter 533a39a357cSDaniel Vetter if (!fb) 534a39a357cSDaniel Vetter return; 535a39a357cSDaniel Vetter 536a39a357cSDaniel Vetter dev = fb->dev; 5372b677e8cSDaniel Vetter 5382b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5392b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 54019ab3f8bSDave Airlie drm_mode_object_unregister(dev, &fb->base); 5412b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 54236206361SDaniel Vetter } 54336206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 54436206361SDaniel Vetter 54536206361SDaniel Vetter /** 546f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 547f453ba04SDave Airlie * @fb: framebuffer to remove 548f453ba04SDave Airlie * 549c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 550c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 551c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 55236206361SDaniel Vetter * 55336206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 55436206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 55536206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 55636206361SDaniel Vetter * 55736206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 55836206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 55936206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 56036206361SDaniel Vetter * drm_framebuffer_unregister_private. 561f453ba04SDave Airlie */ 562f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 563f453ba04SDave Airlie { 564f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5658faf6b18SDaniel Vetter 5664b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 567f7eff60eSRob Clark list_del(&fb->head); 568f7eff60eSRob Clark dev->mode_config.num_fb--; 5694b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 570f7eff60eSRob Clark } 571f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 572f7eff60eSRob Clark 573f7eff60eSRob Clark /** 574f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 575f7eff60eSRob Clark * @fb: framebuffer to remove 576f7eff60eSRob Clark * 577f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 57836206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 579b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 580b62584e3SDaniel Vetter * 581b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 582b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 583b62584e3SDaniel Vetter * modeset locks in this case. 584f7eff60eSRob Clark */ 585f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 586f7eff60eSRob Clark { 587a39a357cSDaniel Vetter struct drm_device *dev; 588f453ba04SDave Airlie struct drm_crtc *crtc; 5898cf5c917SJesse Barnes struct drm_plane *plane; 5905ef5f72fSDave Airlie struct drm_mode_set set; 5915ef5f72fSDave Airlie int ret; 592f453ba04SDave Airlie 593a39a357cSDaniel Vetter if (!fb) 594a39a357cSDaniel Vetter return; 595a39a357cSDaniel Vetter 596a39a357cSDaniel Vetter dev = fb->dev; 597a39a357cSDaniel Vetter 5984b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5998faf6b18SDaniel Vetter 600b62584e3SDaniel Vetter /* 601b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 602b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 603b62584e3SDaniel Vetter * longer need, try to optimize this away. 604b62584e3SDaniel Vetter * 605b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 606b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 607b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 608b62584e3SDaniel Vetter * locks. 609b62584e3SDaniel Vetter * 610b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 611b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 612b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 613b62584e3SDaniel Vetter * in this manner. 614b62584e3SDaniel Vetter */ 615b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 616b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 617f453ba04SDave Airlie /* remove from any CRTC */ 6186295d607SDaniel Vetter drm_for_each_crtc(crtc, dev) { 619f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6205ef5f72fSDave Airlie /* should turn off the crtc */ 6215ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6225ef5f72fSDave Airlie set.crtc = crtc; 6235ef5f72fSDave Airlie set.fb = NULL; 6242d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6255ef5f72fSDave Airlie if (ret) 6265ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6275ef5f72fSDave Airlie } 628f453ba04SDave Airlie } 629f453ba04SDave Airlie 6306295d607SDaniel Vetter drm_for_each_plane(plane, dev) { 6319125e618SVille Syrjälä if (plane->fb == fb) 6329125e618SVille Syrjälä drm_plane_force_disable(plane); 6338cf5c917SJesse Barnes } 634b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 635b62584e3SDaniel Vetter } 6368cf5c917SJesse Barnes 637f7eff60eSRob Clark drm_framebuffer_unreference(fb); 638f453ba04SDave Airlie } 639f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 640f453ba04SDave Airlie 64151fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 64251fd371bSRob Clark 643fa3ab4c2SVille Syrjälä static unsigned int drm_num_crtcs(struct drm_device *dev) 644fa3ab4c2SVille Syrjälä { 645fa3ab4c2SVille Syrjälä unsigned int num = 0; 646fa3ab4c2SVille Syrjälä struct drm_crtc *tmp; 647fa3ab4c2SVille Syrjälä 648fa3ab4c2SVille Syrjälä drm_for_each_crtc(tmp, dev) { 649fa3ab4c2SVille Syrjälä num++; 650fa3ab4c2SVille Syrjälä } 651fa3ab4c2SVille Syrjälä 652fa3ab4c2SVille Syrjälä return num; 653fa3ab4c2SVille Syrjälä } 654fa3ab4c2SVille Syrjälä 655f453ba04SDave Airlie /** 656e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 657e13161afSMatt Roper * specified primary and cursor planes. 658f453ba04SDave Airlie * @dev: DRM device 659f453ba04SDave Airlie * @crtc: CRTC object to init 660e13161afSMatt Roper * @primary: Primary plane for CRTC 661e13161afSMatt Roper * @cursor: Cursor plane for CRTC 662f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 663f9882876SVille Syrjälä * @name: printf style format string for the CRTC name, or NULL for default name 664f453ba04SDave Airlie * 665ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6666bfc56aaSVille Syrjälä * 667c8e32cc1SDaniel Vetter * Returns: 6686bfc56aaSVille Syrjälä * Zero on success, error code on failure. 669f453ba04SDave Airlie */ 670e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 671e13161afSMatt Roper struct drm_plane *primary, 672fc1d3e44SMatt Roper struct drm_plane *cursor, 673f9882876SVille Syrjälä const struct drm_crtc_funcs *funcs, 674f9882876SVille Syrjälä const char *name, ...) 675f453ba04SDave Airlie { 67651fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6776bfc56aaSVille Syrjälä int ret; 6786bfc56aaSVille Syrjälä 679522cf91fSBenjamin Gaignard WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); 680522cf91fSBenjamin Gaignard WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); 681522cf91fSBenjamin Gaignard 682f453ba04SDave Airlie crtc->dev = dev; 683f453ba04SDave Airlie crtc->funcs = funcs; 684f453ba04SDave Airlie 68551fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 6866bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6876bfc56aaSVille Syrjälä if (ret) 688baf698b0SDaniel Vetter return ret; 689f453ba04SDave Airlie 690fa3ab4c2SVille Syrjälä if (name) { 691fa3ab4c2SVille Syrjälä va_list ap; 692fa3ab4c2SVille Syrjälä 693fa3ab4c2SVille Syrjälä va_start(ap, name); 694fa3ab4c2SVille Syrjälä crtc->name = kvasprintf(GFP_KERNEL, name, ap); 695fa3ab4c2SVille Syrjälä va_end(ap); 696fa3ab4c2SVille Syrjälä } else { 697fa3ab4c2SVille Syrjälä crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", 698fa3ab4c2SVille Syrjälä drm_num_crtcs(dev)); 699fa3ab4c2SVille Syrjälä } 700fa3ab4c2SVille Syrjälä if (!crtc->name) { 7017c8f6d25SDave Airlie drm_mode_object_unregister(dev, &crtc->base); 702fa3ab4c2SVille Syrjälä return -ENOMEM; 703fa3ab4c2SVille Syrjälä } 704fa3ab4c2SVille Syrjälä 705bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 706bffd9de0SPaulo Zanoni 70751fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 70851fd371bSRob Clark config->num_crtc++; 7096bfc56aaSVille Syrjälä 710e13161afSMatt Roper crtc->primary = primary; 711fc1d3e44SMatt Roper crtc->cursor = cursor; 712e13161afSMatt Roper if (primary) 713e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 714fc1d3e44SMatt Roper if (cursor) 715fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 716e13161afSMatt Roper 717eab3bbefSDaniel Vetter if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 718eab3bbefSDaniel Vetter drm_object_attach_property(&crtc->base, config->prop_active, 0); 719955f3c33SDaniel Stone drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); 720eab3bbefSDaniel Vetter } 721eab3bbefSDaniel Vetter 722baf698b0SDaniel Vetter return 0; 723f453ba04SDave Airlie } 724e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 725f453ba04SDave Airlie 726f453ba04SDave Airlie /** 727ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 728f453ba04SDave Airlie * @crtc: CRTC to cleanup 729f453ba04SDave Airlie * 730ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 731ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 732ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 733f453ba04SDave Airlie */ 734f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 735f453ba04SDave Airlie { 736f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 737f453ba04SDave Airlie 738f453ba04SDave Airlie kfree(crtc->gamma_store); 739f453ba04SDave Airlie crtc->gamma_store = NULL; 740f453ba04SDave Airlie 74151fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 74251fd371bSRob Clark 7437c8f6d25SDave Airlie drm_mode_object_unregister(dev, &crtc->base); 744f453ba04SDave Airlie list_del(&crtc->head); 745f453ba04SDave Airlie dev->mode_config.num_crtc--; 7463009c037SThierry Reding 7473009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 7483009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 7493009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 750a18c0af1SThierry Reding 751fa3ab4c2SVille Syrjälä kfree(crtc->name); 752fa3ab4c2SVille Syrjälä 753a18c0af1SThierry Reding memset(crtc, 0, sizeof(*crtc)); 754f453ba04SDave Airlie } 755f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 756f453ba04SDave Airlie 757f453ba04SDave Airlie /** 758db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 759db5f7a6eSRussell King * @crtc: CRTC to find index for 760db5f7a6eSRussell King * 761db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 762db5f7a6eSRussell King * device's list of CRTCs. 763db5f7a6eSRussell King */ 764db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 765db5f7a6eSRussell King { 766db5f7a6eSRussell King unsigned int index = 0; 767db5f7a6eSRussell King struct drm_crtc *tmp; 768db5f7a6eSRussell King 769e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 770db5f7a6eSRussell King if (tmp == crtc) 771db5f7a6eSRussell King return index; 772db5f7a6eSRussell King 773db5f7a6eSRussell King index++; 774db5f7a6eSRussell King } 775db5f7a6eSRussell King 776db5f7a6eSRussell King BUG(); 777db5f7a6eSRussell King } 778db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 779db5f7a6eSRussell King 78086f422d5SLespiau, Damien /* 781f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 782f453ba04SDave Airlie * @connector: connector list to modify 783f453ba04SDave Airlie * @mode: mode to remove 784f453ba04SDave Airlie * 785f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 786f453ba04SDave Airlie */ 78786f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 788f453ba04SDave Airlie struct drm_display_mode *mode) 789f453ba04SDave Airlie { 790f453ba04SDave Airlie list_del(&mode->head); 791554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 792f453ba04SDave Airlie } 793f453ba04SDave Airlie 794f453ba04SDave Airlie /** 795b5571e9dSBoris Brezillon * drm_display_info_set_bus_formats - set the supported bus formats 796b5571e9dSBoris Brezillon * @info: display info to store bus formats in 797e37bfa1aSBoris Brezillon * @formats: array containing the supported bus formats 798e37bfa1aSBoris Brezillon * @num_formats: the number of entries in the fmts array 799b5571e9dSBoris Brezillon * 800b5571e9dSBoris Brezillon * Store the supported bus formats in display info structure. 801b5571e9dSBoris Brezillon * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for 802b5571e9dSBoris Brezillon * a full list of available formats. 803b5571e9dSBoris Brezillon */ 804b5571e9dSBoris Brezillon int drm_display_info_set_bus_formats(struct drm_display_info *info, 805b5571e9dSBoris Brezillon const u32 *formats, 806b5571e9dSBoris Brezillon unsigned int num_formats) 807b5571e9dSBoris Brezillon { 808b5571e9dSBoris Brezillon u32 *fmts = NULL; 809b5571e9dSBoris Brezillon 810b5571e9dSBoris Brezillon if (!formats && num_formats) 811b5571e9dSBoris Brezillon return -EINVAL; 812b5571e9dSBoris Brezillon 813b5571e9dSBoris Brezillon if (formats && num_formats) { 814b5571e9dSBoris Brezillon fmts = kmemdup(formats, sizeof(*formats) * num_formats, 815b5571e9dSBoris Brezillon GFP_KERNEL); 816944579c5SDan Carpenter if (!fmts) 817b5571e9dSBoris Brezillon return -ENOMEM; 818b5571e9dSBoris Brezillon } 819b5571e9dSBoris Brezillon 820b5571e9dSBoris Brezillon kfree(info->bus_formats); 821b5571e9dSBoris Brezillon info->bus_formats = fmts; 822b5571e9dSBoris Brezillon info->num_bus_formats = num_formats; 823b5571e9dSBoris Brezillon 824b5571e9dSBoris Brezillon return 0; 825b5571e9dSBoris Brezillon } 826b5571e9dSBoris Brezillon EXPORT_SYMBOL(drm_display_info_set_bus_formats); 827b5571e9dSBoris Brezillon 828b5571e9dSBoris Brezillon /** 829eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 830eaf99c74SChris Wilson * @connector: connector to quwery 831eaf99c74SChris Wilson * 832eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 833eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 834eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 835eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 836eaf99c74SChris Wilson * setup. 837eaf99c74SChris Wilson */ 838eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 839eaf99c74SChris Wilson { 840eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 841eaf99c74SChris Wilson char *option = NULL; 842eaf99c74SChris Wilson 843eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 844eaf99c74SChris Wilson return; 845eaf99c74SChris Wilson 846eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 847eaf99c74SChris Wilson connector, 848eaf99c74SChris Wilson mode)) 849eaf99c74SChris Wilson return; 850eaf99c74SChris Wilson 851eaf99c74SChris Wilson if (mode->force) { 852eaf99c74SChris Wilson const char *s; 853eaf99c74SChris Wilson 854eaf99c74SChris Wilson switch (mode->force) { 855eaf99c74SChris Wilson case DRM_FORCE_OFF: 856eaf99c74SChris Wilson s = "OFF"; 857eaf99c74SChris Wilson break; 858eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 859eaf99c74SChris Wilson s = "ON - dig"; 860eaf99c74SChris Wilson break; 861eaf99c74SChris Wilson default: 862eaf99c74SChris Wilson case DRM_FORCE_ON: 863eaf99c74SChris Wilson s = "ON"; 864eaf99c74SChris Wilson break; 865eaf99c74SChris Wilson } 866eaf99c74SChris Wilson 867eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 868eaf99c74SChris Wilson connector->force = mode->force; 869eaf99c74SChris Wilson } 870eaf99c74SChris Wilson 871eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 872eaf99c74SChris Wilson connector->name, 873eaf99c74SChris Wilson mode->xres, mode->yres, 874eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 875eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 876eaf99c74SChris Wilson mode->margins ? " with margins" : "", 877eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 878eaf99c74SChris Wilson } 879eaf99c74SChris Wilson 880eaf99c74SChris Wilson /** 881f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 882f453ba04SDave Airlie * @dev: DRM device 883f453ba04SDave Airlie * @connector: the connector to init 884f453ba04SDave Airlie * @funcs: callbacks for this connector 885065a50edSDaniel Vetter * @connector_type: user visible type of the connector 886f453ba04SDave Airlie * 887f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 888f453ba04SDave Airlie * subclassed as part of driver connector objects. 8896bfc56aaSVille Syrjälä * 890c8e32cc1SDaniel Vetter * Returns: 8916bfc56aaSVille Syrjälä * Zero on success, error code on failure. 892f453ba04SDave Airlie */ 8936bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 894f453ba04SDave Airlie struct drm_connector *connector, 895f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 896f453ba04SDave Airlie int connector_type) 897f453ba04SDave Airlie { 898ae16c597SRob Clark struct drm_mode_config *config = &dev->mode_config; 8996bfc56aaSVille Syrjälä int ret; 900b21e3afeSIlia Mirkin struct ida *connector_ida = 901b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 9026bfc56aaSVille Syrjälä 90384849903SDaniel Vetter drm_modeset_lock_all(dev); 904f453ba04SDave Airlie 9052ee39452SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); 9066bfc56aaSVille Syrjälä if (ret) 9072abdd313SJani Nikula goto out_unlock; 9086bfc56aaSVille Syrjälä 9097e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 910f453ba04SDave Airlie connector->dev = dev; 911f453ba04SDave Airlie connector->funcs = funcs; 9125fff80bbSMaarten Lankhorst 9135fff80bbSMaarten Lankhorst connector->connector_id = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL); 9145fff80bbSMaarten Lankhorst if (connector->connector_id < 0) { 9155fff80bbSMaarten Lankhorst ret = connector->connector_id; 9165fff80bbSMaarten Lankhorst goto out_put; 9175fff80bbSMaarten Lankhorst } 9185fff80bbSMaarten Lankhorst 919f453ba04SDave Airlie connector->connector_type = connector_type; 920f453ba04SDave Airlie connector->connector_type_id = 921b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 922b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 923b21e3afeSIlia Mirkin ret = connector->connector_type_id; 9245fff80bbSMaarten Lankhorst goto out_put_id; 925b21e3afeSIlia Mirkin } 9262abdd313SJani Nikula connector->name = 9272abdd313SJani Nikula kasprintf(GFP_KERNEL, "%s-%d", 9282abdd313SJani Nikula drm_connector_enum_list[connector_type].name, 9292abdd313SJani Nikula connector->connector_type_id); 9302abdd313SJani Nikula if (!connector->name) { 9312abdd313SJani Nikula ret = -ENOMEM; 9325fff80bbSMaarten Lankhorst goto out_put_type_id; 9332abdd313SJani Nikula } 9342abdd313SJani Nikula 935f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 936f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 937f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 9385e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 939f453ba04SDave Airlie 940eaf99c74SChris Wilson drm_connector_get_cmdline_mode(connector); 941eaf99c74SChris Wilson 942c7eb76f4SDaniel Vetter /* We should add connectors at the end to avoid upsetting the connector 943c7eb76f4SDaniel Vetter * index too much. */ 944ae16c597SRob Clark list_add_tail(&connector->head, &config->connector_list); 945ae16c597SRob Clark config->num_connector++; 946f453ba04SDave Airlie 947a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 94858495563SRob Clark drm_object_attach_property(&connector->base, 949ae16c597SRob Clark config->edid_property, 950a7331e5cSThomas Hellstrom 0); 951f453ba04SDave Airlie 95258495563SRob Clark drm_object_attach_property(&connector->base, 953ae16c597SRob Clark config->dpms_property, 0); 954ae16c597SRob Clark 955ae16c597SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 956ae16c597SRob Clark drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); 957ae16c597SRob Clark } 958f453ba04SDave Airlie 95930f65707SThomas Wood connector->debugfs_entry = NULL; 9605fff80bbSMaarten Lankhorst out_put_type_id: 9615fff80bbSMaarten Lankhorst if (ret) 9625fff80bbSMaarten Lankhorst ida_remove(connector_ida, connector->connector_type_id); 9635fff80bbSMaarten Lankhorst out_put_id: 9645fff80bbSMaarten Lankhorst if (ret) 9655fff80bbSMaarten Lankhorst ida_remove(&config->connector_ida, connector->connector_id); 9662abdd313SJani Nikula out_put: 9672abdd313SJani Nikula if (ret) 9687c8f6d25SDave Airlie drm_mode_object_unregister(dev, &connector->base); 9692abdd313SJani Nikula 9702abdd313SJani Nikula out_unlock: 97184849903SDaniel Vetter drm_modeset_unlock_all(dev); 9726bfc56aaSVille Syrjälä 9736bfc56aaSVille Syrjälä return ret; 974f453ba04SDave Airlie } 975f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 976f453ba04SDave Airlie 977f453ba04SDave Airlie /** 978f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 979f453ba04SDave Airlie * @connector: connector to cleanup 980f453ba04SDave Airlie * 981f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 982f453ba04SDave Airlie */ 983f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 984f453ba04SDave Airlie { 985f453ba04SDave Airlie struct drm_device *dev = connector->dev; 986f453ba04SDave Airlie struct drm_display_mode *mode, *t; 987f453ba04SDave Airlie 98840d9b043SDave Airlie if (connector->tile_group) { 98940d9b043SDave Airlie drm_mode_put_tile_group(dev, connector->tile_group); 99040d9b043SDave Airlie connector->tile_group = NULL; 99140d9b043SDave Airlie } 99240d9b043SDave Airlie 993f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 994f453ba04SDave Airlie drm_mode_remove(connector, mode); 995f453ba04SDave Airlie 996f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 997f453ba04SDave Airlie drm_mode_remove(connector, mode); 998f453ba04SDave Airlie 999b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 1000b21e3afeSIlia Mirkin connector->connector_type_id); 1001b21e3afeSIlia Mirkin 10025fff80bbSMaarten Lankhorst ida_remove(&dev->mode_config.connector_ida, 10035fff80bbSMaarten Lankhorst connector->connector_id); 10045fff80bbSMaarten Lankhorst 1005b5571e9dSBoris Brezillon kfree(connector->display_info.bus_formats); 10067c8f6d25SDave Airlie drm_mode_object_unregister(dev, &connector->base); 10072abdd313SJani Nikula kfree(connector->name); 10082abdd313SJani Nikula connector->name = NULL; 1009f453ba04SDave Airlie list_del(&connector->head); 10106380c509SJoonyoung Shim dev->mode_config.num_connector--; 10113009c037SThierry Reding 10123009c037SThierry Reding WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); 10133009c037SThierry Reding if (connector->state && connector->funcs->atomic_destroy_state) 10143009c037SThierry Reding connector->funcs->atomic_destroy_state(connector, 10153009c037SThierry Reding connector->state); 1016a18c0af1SThierry Reding 1017a18c0af1SThierry Reding memset(connector, 0, sizeof(*connector)); 1018f453ba04SDave Airlie } 1019f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 1020f453ba04SDave Airlie 1021c8e32cc1SDaniel Vetter /** 102234ea3d38SThomas Wood * drm_connector_register - register a connector 102334ea3d38SThomas Wood * @connector: the connector to register 102434ea3d38SThomas Wood * 102534ea3d38SThomas Wood * Register userspace interfaces for a connector 102634ea3d38SThomas Wood * 102734ea3d38SThomas Wood * Returns: 102834ea3d38SThomas Wood * Zero on success, error code on failure. 102934ea3d38SThomas Wood */ 103034ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 103134ea3d38SThomas Wood { 103230f65707SThomas Wood int ret; 103330f65707SThomas Wood 10342ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 10352ee39452SDave Airlie 103630f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 103730f65707SThomas Wood if (ret) 103830f65707SThomas Wood return ret; 103930f65707SThomas Wood 104030f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 104130f65707SThomas Wood if (ret) { 104230f65707SThomas Wood drm_sysfs_connector_remove(connector); 104330f65707SThomas Wood return ret; 104430f65707SThomas Wood } 104530f65707SThomas Wood 104630f65707SThomas Wood return 0; 104734ea3d38SThomas Wood } 104834ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 104934ea3d38SThomas Wood 105034ea3d38SThomas Wood /** 105134ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 105234ea3d38SThomas Wood * @connector: the connector to unregister 105334ea3d38SThomas Wood * 105434ea3d38SThomas Wood * Unregister userspace interfaces for a connector 105534ea3d38SThomas Wood */ 105634ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 105734ea3d38SThomas Wood { 105834ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 105930f65707SThomas Wood drm_debugfs_connector_remove(connector); 106034ea3d38SThomas Wood } 106134ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 106234ea3d38SThomas Wood 106334ea3d38SThomas Wood /** 106454d2c2daSAlexey Brodkin * drm_connector_register_all - register all connectors 106554d2c2daSAlexey Brodkin * @dev: drm device 106654d2c2daSAlexey Brodkin * 106754d2c2daSAlexey Brodkin * This function registers all connectors in sysfs and other places so that 106854d2c2daSAlexey Brodkin * userspace can start to access them. Drivers can call it after calling 106954d2c2daSAlexey Brodkin * drm_dev_register() to complete the device registration, if they don't call 107054d2c2daSAlexey Brodkin * drm_connector_register() on each connector individually. 107154d2c2daSAlexey Brodkin * 107254d2c2daSAlexey Brodkin * When a device is unplugged and should be removed from userspace access, 107354d2c2daSAlexey Brodkin * call drm_connector_unregister_all(), which is the inverse of this 107454d2c2daSAlexey Brodkin * function. 107554d2c2daSAlexey Brodkin * 107654d2c2daSAlexey Brodkin * Returns: 107754d2c2daSAlexey Brodkin * Zero on success, error code on failure. 107854d2c2daSAlexey Brodkin */ 107954d2c2daSAlexey Brodkin int drm_connector_register_all(struct drm_device *dev) 108054d2c2daSAlexey Brodkin { 108154d2c2daSAlexey Brodkin struct drm_connector *connector; 108254d2c2daSAlexey Brodkin int ret; 108354d2c2daSAlexey Brodkin 108454d2c2daSAlexey Brodkin mutex_lock(&dev->mode_config.mutex); 108554d2c2daSAlexey Brodkin 108654d2c2daSAlexey Brodkin drm_for_each_connector(connector, dev) { 108754d2c2daSAlexey Brodkin ret = drm_connector_register(connector); 108854d2c2daSAlexey Brodkin if (ret) 108954d2c2daSAlexey Brodkin goto err; 109054d2c2daSAlexey Brodkin } 109154d2c2daSAlexey Brodkin 109254d2c2daSAlexey Brodkin mutex_unlock(&dev->mode_config.mutex); 109354d2c2daSAlexey Brodkin 109454d2c2daSAlexey Brodkin return 0; 109554d2c2daSAlexey Brodkin 109654d2c2daSAlexey Brodkin err: 109754d2c2daSAlexey Brodkin mutex_unlock(&dev->mode_config.mutex); 109854d2c2daSAlexey Brodkin drm_connector_unregister_all(dev); 109954d2c2daSAlexey Brodkin return ret; 110054d2c2daSAlexey Brodkin } 110154d2c2daSAlexey Brodkin EXPORT_SYMBOL(drm_connector_register_all); 110254d2c2daSAlexey Brodkin 110354d2c2daSAlexey Brodkin /** 11046c87e5c3SAlexey Brodkin * drm_connector_unregister_all - unregister connector userspace interfaces 1105c8e32cc1SDaniel Vetter * @dev: drm device 1106c8e32cc1SDaniel Vetter * 11076c87e5c3SAlexey Brodkin * This functions unregisters all connectors from sysfs and other places so 11086c87e5c3SAlexey Brodkin * that userspace can no longer access them. Drivers should call this as the 11096c87e5c3SAlexey Brodkin * first step tearing down the device instace, or when the underlying 11106c87e5c3SAlexey Brodkin * physical device disappeared (e.g. USB unplug), right before calling 11116c87e5c3SAlexey Brodkin * drm_dev_unregister(). 1112c8e32cc1SDaniel Vetter */ 11136c87e5c3SAlexey Brodkin void drm_connector_unregister_all(struct drm_device *dev) 1114cbc7e221SDave Airlie { 1115cbc7e221SDave Airlie struct drm_connector *connector; 1116cbc7e221SDave Airlie 11179a9f5ce8SDaniel Vetter /* FIXME: taking the mode config mutex ends up in a clash with sysfs */ 111814ba0031SLaurent Pinchart list_for_each_entry(connector, &dev->mode_config.connector_list, head) 111934ea3d38SThomas Wood drm_connector_unregister(connector); 1120cbc7e221SDave Airlie } 11216c87e5c3SAlexey Brodkin EXPORT_SYMBOL(drm_connector_unregister_all); 1122cbc7e221SDave Airlie 1123c8e32cc1SDaniel Vetter /** 1124c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1125c8e32cc1SDaniel Vetter * @dev: drm device 1126c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1127c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1128c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 112913a3d91fSVille Syrjälä * @name: printf style format string for the encoder name, or NULL for default name 1130c8e32cc1SDaniel Vetter * 1131c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1132c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1133c8e32cc1SDaniel Vetter * 1134c8e32cc1SDaniel Vetter * Returns: 1135c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1136c8e32cc1SDaniel Vetter */ 11376bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1138f453ba04SDave Airlie struct drm_encoder *encoder, 1139f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 114013a3d91fSVille Syrjälä int encoder_type, const char *name, ...) 1141f453ba04SDave Airlie { 11426bfc56aaSVille Syrjälä int ret; 11436bfc56aaSVille Syrjälä 114484849903SDaniel Vetter drm_modeset_lock_all(dev); 1145f453ba04SDave Airlie 11466bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 11476bfc56aaSVille Syrjälä if (ret) 1148e5748946SJani Nikula goto out_unlock; 1149f453ba04SDave Airlie 11506bfc56aaSVille Syrjälä encoder->dev = dev; 1151f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1152f453ba04SDave Airlie encoder->funcs = funcs; 115386bf546bSVille Syrjälä if (name) { 115486bf546bSVille Syrjälä va_list ap; 115586bf546bSVille Syrjälä 115686bf546bSVille Syrjälä va_start(ap, name); 115786bf546bSVille Syrjälä encoder->name = kvasprintf(GFP_KERNEL, name, ap); 115886bf546bSVille Syrjälä va_end(ap); 115986bf546bSVille Syrjälä } else { 1160e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1161e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1162e5748946SJani Nikula encoder->base.id); 116386bf546bSVille Syrjälä } 1164e5748946SJani Nikula if (!encoder->name) { 1165e5748946SJani Nikula ret = -ENOMEM; 1166e5748946SJani Nikula goto out_put; 1167e5748946SJani Nikula } 1168f453ba04SDave Airlie 1169f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1170f453ba04SDave Airlie dev->mode_config.num_encoder++; 1171f453ba04SDave Airlie 1172e5748946SJani Nikula out_put: 1173e5748946SJani Nikula if (ret) 11747c8f6d25SDave Airlie drm_mode_object_unregister(dev, &encoder->base); 1175e5748946SJani Nikula 1176e5748946SJani Nikula out_unlock: 117784849903SDaniel Vetter drm_modeset_unlock_all(dev); 11786bfc56aaSVille Syrjälä 11796bfc56aaSVille Syrjälä return ret; 1180f453ba04SDave Airlie } 1181f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1182f453ba04SDave Airlie 1183c8e32cc1SDaniel Vetter /** 118447d7777fSMaarten Lankhorst * drm_encoder_index - find the index of a registered encoder 118547d7777fSMaarten Lankhorst * @encoder: encoder to find index for 118647d7777fSMaarten Lankhorst * 118747d7777fSMaarten Lankhorst * Given a registered encoder, return the index of that encoder within a DRM 118847d7777fSMaarten Lankhorst * device's list of encoders. 118947d7777fSMaarten Lankhorst */ 119047d7777fSMaarten Lankhorst unsigned int drm_encoder_index(struct drm_encoder *encoder) 119147d7777fSMaarten Lankhorst { 119247d7777fSMaarten Lankhorst unsigned int index = 0; 119347d7777fSMaarten Lankhorst struct drm_encoder *tmp; 119447d7777fSMaarten Lankhorst 119547d7777fSMaarten Lankhorst drm_for_each_encoder(tmp, encoder->dev) { 119647d7777fSMaarten Lankhorst if (tmp == encoder) 119747d7777fSMaarten Lankhorst return index; 119847d7777fSMaarten Lankhorst 119947d7777fSMaarten Lankhorst index++; 120047d7777fSMaarten Lankhorst } 120147d7777fSMaarten Lankhorst 120247d7777fSMaarten Lankhorst BUG(); 120347d7777fSMaarten Lankhorst } 120447d7777fSMaarten Lankhorst EXPORT_SYMBOL(drm_encoder_index); 120547d7777fSMaarten Lankhorst 120647d7777fSMaarten Lankhorst /** 1207c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1208c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1209c8e32cc1SDaniel Vetter * 1210c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1211c8e32cc1SDaniel Vetter */ 1212f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1213f453ba04SDave Airlie { 1214f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 12154dfd909fSThierry Reding 121684849903SDaniel Vetter drm_modeset_lock_all(dev); 12177c8f6d25SDave Airlie drm_mode_object_unregister(dev, &encoder->base); 1218e5748946SJani Nikula kfree(encoder->name); 1219f453ba04SDave Airlie list_del(&encoder->head); 12206380c509SJoonyoung Shim dev->mode_config.num_encoder--; 122184849903SDaniel Vetter drm_modeset_unlock_all(dev); 1222a18c0af1SThierry Reding 1223a18c0af1SThierry Reding memset(encoder, 0, sizeof(*encoder)); 1224f453ba04SDave Airlie } 1225f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1226f453ba04SDave Airlie 12279f4c97a2SVille Syrjälä static unsigned int drm_num_planes(struct drm_device *dev) 12289f4c97a2SVille Syrjälä { 12299f4c97a2SVille Syrjälä unsigned int num = 0; 12309f4c97a2SVille Syrjälä struct drm_plane *tmp; 12319f4c97a2SVille Syrjälä 12329f4c97a2SVille Syrjälä drm_for_each_plane(tmp, dev) { 12339f4c97a2SVille Syrjälä num++; 12349f4c97a2SVille Syrjälä } 12359f4c97a2SVille Syrjälä 12369f4c97a2SVille Syrjälä return num; 12379f4c97a2SVille Syrjälä } 12389f4c97a2SVille Syrjälä 123935f2c3aeSVille Syrjälä /** 1240dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 124135f2c3aeSVille Syrjälä * @dev: DRM device 124235f2c3aeSVille Syrjälä * @plane: plane object to init 124335f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 124435f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 124535f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 124635f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1247dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 1248b0b3b795SVille Syrjälä * @name: printf style format string for the plane name, or NULL for default name 124935f2c3aeSVille Syrjälä * 1250dc415ff9SMatt Roper * Initializes a plane object of type @type. 125135f2c3aeSVille Syrjälä * 1252c8e32cc1SDaniel Vetter * Returns: 125335f2c3aeSVille Syrjälä * Zero on success, error code on failure. 125435f2c3aeSVille Syrjälä */ 1255dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 12568cf5c917SJesse Barnes unsigned long possible_crtcs, 12578cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 125845e3743aSThierry Reding const uint32_t *formats, unsigned int format_count, 1259b0b3b795SVille Syrjälä enum drm_plane_type type, 1260b0b3b795SVille Syrjälä const char *name, ...) 12618cf5c917SJesse Barnes { 12626b4959f4SRob Clark struct drm_mode_config *config = &dev->mode_config; 12636bfc56aaSVille Syrjälä int ret; 12646bfc56aaSVille Syrjälä 12656bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 12666bfc56aaSVille Syrjälä if (ret) 1267baf698b0SDaniel Vetter return ret; 12686bfc56aaSVille Syrjälä 12694d02e2deSDaniel Vetter drm_modeset_lock_init(&plane->mutex); 12704d02e2deSDaniel Vetter 12714d93914aSRob Clark plane->base.properties = &plane->properties; 12728cf5c917SJesse Barnes plane->dev = dev; 12738cf5c917SJesse Barnes plane->funcs = funcs; 12742f6c5389SThierry Reding plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), 12758cf5c917SJesse Barnes GFP_KERNEL); 12768cf5c917SJesse Barnes if (!plane->format_types) { 12778cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 12787c8f6d25SDave Airlie drm_mode_object_unregister(dev, &plane->base); 1279baf698b0SDaniel Vetter return -ENOMEM; 12808cf5c917SJesse Barnes } 12818cf5c917SJesse Barnes 12829f4c97a2SVille Syrjälä if (name) { 12839f4c97a2SVille Syrjälä va_list ap; 12849f4c97a2SVille Syrjälä 12859f4c97a2SVille Syrjälä va_start(ap, name); 12869f4c97a2SVille Syrjälä plane->name = kvasprintf(GFP_KERNEL, name, ap); 12879f4c97a2SVille Syrjälä va_end(ap); 12889f4c97a2SVille Syrjälä } else { 12899f4c97a2SVille Syrjälä plane->name = kasprintf(GFP_KERNEL, "plane-%d", 12909f4c97a2SVille Syrjälä drm_num_planes(dev)); 12919f4c97a2SVille Syrjälä } 12929f4c97a2SVille Syrjälä if (!plane->name) { 12939f4c97a2SVille Syrjälä kfree(plane->format_types); 12947c8f6d25SDave Airlie drm_mode_object_unregister(dev, &plane->base); 12959f4c97a2SVille Syrjälä return -ENOMEM; 12969f4c97a2SVille Syrjälä } 12979f4c97a2SVille Syrjälä 1298308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 12998cf5c917SJesse Barnes plane->format_count = format_count; 13008cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1301dc415ff9SMatt Roper plane->type = type; 13028cf5c917SJesse Barnes 13036b4959f4SRob Clark list_add_tail(&plane->head, &config->plane_list); 13046b4959f4SRob Clark config->num_total_plane++; 1305e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 13066b4959f4SRob Clark config->num_overlay_plane++; 13078cf5c917SJesse Barnes 13089922ab5aSRob Clark drm_object_attach_property(&plane->base, 13096b4959f4SRob Clark config->plane_type_property, 13109922ab5aSRob Clark plane->type); 13119922ab5aSRob Clark 13126b4959f4SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 13136b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_fb_id, 0); 13146b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); 13156b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); 13166b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); 13176b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); 13186b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); 13196b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_x, 0); 13206b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_y, 0); 13216b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_w, 0); 13226b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_h, 0); 13236b4959f4SRob Clark } 13246b4959f4SRob Clark 1325baf698b0SDaniel Vetter return 0; 13268cf5c917SJesse Barnes } 1327dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1328dc415ff9SMatt Roper 1329dc415ff9SMatt Roper /** 1330dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1331dc415ff9SMatt Roper * @dev: DRM device 1332dc415ff9SMatt Roper * @plane: plane object to init 1333dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1334dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1335dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1336dc415ff9SMatt Roper * @format_count: number of elements in @formats 1337dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1338dc415ff9SMatt Roper * 1339dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1340dc415ff9SMatt Roper * 1341dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1342dc415ff9SMatt Roper * 1343dc415ff9SMatt Roper * Returns: 1344dc415ff9SMatt Roper * Zero on success, error code on failure. 1345dc415ff9SMatt Roper */ 1346dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1347dc415ff9SMatt Roper unsigned long possible_crtcs, 1348dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 134945e3743aSThierry Reding const uint32_t *formats, unsigned int format_count, 1350dc415ff9SMatt Roper bool is_primary) 1351dc415ff9SMatt Roper { 1352dc415ff9SMatt Roper enum drm_plane_type type; 1353dc415ff9SMatt Roper 1354dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1355dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1356b0b3b795SVille Syrjälä formats, format_count, type, NULL); 1357dc415ff9SMatt Roper } 13588cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 13598cf5c917SJesse Barnes 136035f2c3aeSVille Syrjälä /** 136135f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 136235f2c3aeSVille Syrjälä * @plane: plane to cleanup 136335f2c3aeSVille Syrjälä * 136435f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 136535f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 136635f2c3aeSVille Syrjälä * this is the responsibility of the caller. 136735f2c3aeSVille Syrjälä */ 13688cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 13698cf5c917SJesse Barnes { 13708cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 13718cf5c917SJesse Barnes 137284849903SDaniel Vetter drm_modeset_lock_all(dev); 13738cf5c917SJesse Barnes kfree(plane->format_types); 13747c8f6d25SDave Airlie drm_mode_object_unregister(dev, &plane->base); 1375dc415ff9SMatt Roper 1376dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1377dc415ff9SMatt Roper 13788cf5c917SJesse Barnes list_del(&plane->head); 1379e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1380e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1381e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 138284849903SDaniel Vetter drm_modeset_unlock_all(dev); 13833009c037SThierry Reding 13843009c037SThierry Reding WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); 13853009c037SThierry Reding if (plane->state && plane->funcs->atomic_destroy_state) 13863009c037SThierry Reding plane->funcs->atomic_destroy_state(plane, plane->state); 1387a18c0af1SThierry Reding 13889f4c97a2SVille Syrjälä kfree(plane->name); 13899f4c97a2SVille Syrjälä 1390a18c0af1SThierry Reding memset(plane, 0, sizeof(*plane)); 13918cf5c917SJesse Barnes } 13928cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 13938cf5c917SJesse Barnes 139435f2c3aeSVille Syrjälä /** 139510f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 139610f637bfSDaniel Vetter * @plane: plane to find index for 139710f637bfSDaniel Vetter * 139810f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 139910f637bfSDaniel Vetter * device's list of planes. 140010f637bfSDaniel Vetter */ 140110f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 140210f637bfSDaniel Vetter { 140310f637bfSDaniel Vetter unsigned int index = 0; 140410f637bfSDaniel Vetter struct drm_plane *tmp; 140510f637bfSDaniel Vetter 1406e4f62546SDaniel Vetter drm_for_each_plane(tmp, plane->dev) { 140710f637bfSDaniel Vetter if (tmp == plane) 140810f637bfSDaniel Vetter return index; 140910f637bfSDaniel Vetter 141010f637bfSDaniel Vetter index++; 141110f637bfSDaniel Vetter } 141210f637bfSDaniel Vetter 141310f637bfSDaniel Vetter BUG(); 141410f637bfSDaniel Vetter } 141510f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 141610f637bfSDaniel Vetter 141710f637bfSDaniel Vetter /** 1418f81338a5SChandra Konduru * drm_plane_from_index - find the registered plane at an index 1419f81338a5SChandra Konduru * @dev: DRM device 1420f81338a5SChandra Konduru * @idx: index of registered plane to find for 1421f81338a5SChandra Konduru * 1422f81338a5SChandra Konduru * Given a plane index, return the registered plane from DRM device's 1423f81338a5SChandra Konduru * list of planes with matching index. 1424f81338a5SChandra Konduru */ 1425f81338a5SChandra Konduru struct drm_plane * 1426f81338a5SChandra Konduru drm_plane_from_index(struct drm_device *dev, int idx) 1427f81338a5SChandra Konduru { 1428f81338a5SChandra Konduru struct drm_plane *plane; 1429f81338a5SChandra Konduru unsigned int i = 0; 1430f81338a5SChandra Konduru 14316295d607SDaniel Vetter drm_for_each_plane(plane, dev) { 1432f81338a5SChandra Konduru if (i == idx) 1433f81338a5SChandra Konduru return plane; 1434f81338a5SChandra Konduru i++; 1435f81338a5SChandra Konduru } 1436f81338a5SChandra Konduru return NULL; 1437f81338a5SChandra Konduru } 1438f81338a5SChandra Konduru EXPORT_SYMBOL(drm_plane_from_index); 1439f81338a5SChandra Konduru 1440f81338a5SChandra Konduru /** 144135f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 144235f2c3aeSVille Syrjälä * @plane: plane to disable 144335f2c3aeSVille Syrjälä * 144435f2c3aeSVille Syrjälä * Forces the plane to be disabled. 144535f2c3aeSVille Syrjälä * 144635f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 144735f2c3aeSVille Syrjälä * and when restoring fbdev mode. 144835f2c3aeSVille Syrjälä */ 14499125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 14509125e618SVille Syrjälä { 14519125e618SVille Syrjälä int ret; 14529125e618SVille Syrjälä 14533d30a59bSDaniel Vetter if (!plane->fb) 14549125e618SVille Syrjälä return; 14559125e618SVille Syrjälä 14563d30a59bSDaniel Vetter plane->old_fb = plane->fb; 14579125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1458731cce48SDaniel Vetter if (ret) { 14599125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 14603d30a59bSDaniel Vetter plane->old_fb = NULL; 1461731cce48SDaniel Vetter return; 1462731cce48SDaniel Vetter } 14639125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 1464220dd2bcSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 14653d30a59bSDaniel Vetter plane->old_fb = NULL; 14669125e618SVille Syrjälä plane->fb = NULL; 14679125e618SVille Syrjälä plane->crtc = NULL; 14689125e618SVille Syrjälä } 14699125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 14709125e618SVille Syrjälä 14716b4959f4SRob Clark static int drm_mode_create_standard_properties(struct drm_device *dev) 1472f453ba04SDave Airlie { 1473356af0e1SRob Clark struct drm_property *prop; 1474f453ba04SDave Airlie 1475f453ba04SDave Airlie /* 1476f453ba04SDave Airlie * Standard properties (apply to all connectors) 1477f453ba04SDave Airlie */ 1478356af0e1SRob Clark prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1479f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1480f453ba04SDave Airlie "EDID", 0); 1481356af0e1SRob Clark if (!prop) 1482356af0e1SRob Clark return -ENOMEM; 1483356af0e1SRob Clark dev->mode_config.edid_property = prop; 1484f453ba04SDave Airlie 1485356af0e1SRob Clark prop = drm_property_create_enum(dev, 0, 14864a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 14874a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1488356af0e1SRob Clark if (!prop) 1489356af0e1SRob Clark return -ENOMEM; 1490356af0e1SRob Clark dev->mode_config.dpms_property = prop; 1491f453ba04SDave Airlie 1492356af0e1SRob Clark prop = drm_property_create(dev, 149343aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 149443aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 149543aba7ebSDave Airlie "PATH", 0); 1496356af0e1SRob Clark if (!prop) 1497356af0e1SRob Clark return -ENOMEM; 1498356af0e1SRob Clark dev->mode_config.path_property = prop; 149943aba7ebSDave Airlie 1500356af0e1SRob Clark prop = drm_property_create(dev, 15016f134d7bSDave Airlie DRM_MODE_PROP_BLOB | 15026f134d7bSDave Airlie DRM_MODE_PROP_IMMUTABLE, 15036f134d7bSDave Airlie "TILE", 0); 1504356af0e1SRob Clark if (!prop) 1505356af0e1SRob Clark return -ENOMEM; 1506356af0e1SRob Clark dev->mode_config.tile_property = prop; 15076f134d7bSDave Airlie 15086b4959f4SRob Clark prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 15099922ab5aSRob Clark "type", drm_plane_type_enum_list, 15109922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 15116b4959f4SRob Clark if (!prop) 15126b4959f4SRob Clark return -ENOMEM; 15136b4959f4SRob Clark dev->mode_config.plane_type_property = prop; 15146b4959f4SRob Clark 15156b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15166b4959f4SRob Clark "SRC_X", 0, UINT_MAX); 15176b4959f4SRob Clark if (!prop) 15186b4959f4SRob Clark return -ENOMEM; 15196b4959f4SRob Clark dev->mode_config.prop_src_x = prop; 15206b4959f4SRob Clark 15216b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15226b4959f4SRob Clark "SRC_Y", 0, UINT_MAX); 15236b4959f4SRob Clark if (!prop) 15246b4959f4SRob Clark return -ENOMEM; 15256b4959f4SRob Clark dev->mode_config.prop_src_y = prop; 15266b4959f4SRob Clark 15276b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15286b4959f4SRob Clark "SRC_W", 0, UINT_MAX); 15296b4959f4SRob Clark if (!prop) 15306b4959f4SRob Clark return -ENOMEM; 15316b4959f4SRob Clark dev->mode_config.prop_src_w = prop; 15326b4959f4SRob Clark 15336b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15346b4959f4SRob Clark "SRC_H", 0, UINT_MAX); 15356b4959f4SRob Clark if (!prop) 15366b4959f4SRob Clark return -ENOMEM; 15376b4959f4SRob Clark dev->mode_config.prop_src_h = prop; 15386b4959f4SRob Clark 15396b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 15406b4959f4SRob Clark "CRTC_X", INT_MIN, INT_MAX); 15416b4959f4SRob Clark if (!prop) 15426b4959f4SRob Clark return -ENOMEM; 15436b4959f4SRob Clark dev->mode_config.prop_crtc_x = prop; 15446b4959f4SRob Clark 15456b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 15466b4959f4SRob Clark "CRTC_Y", INT_MIN, INT_MAX); 15476b4959f4SRob Clark if (!prop) 15486b4959f4SRob Clark return -ENOMEM; 15496b4959f4SRob Clark dev->mode_config.prop_crtc_y = prop; 15506b4959f4SRob Clark 15516b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15526b4959f4SRob Clark "CRTC_W", 0, INT_MAX); 15536b4959f4SRob Clark if (!prop) 15546b4959f4SRob Clark return -ENOMEM; 15556b4959f4SRob Clark dev->mode_config.prop_crtc_w = prop; 15566b4959f4SRob Clark 15576b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15586b4959f4SRob Clark "CRTC_H", 0, INT_MAX); 15596b4959f4SRob Clark if (!prop) 15606b4959f4SRob Clark return -ENOMEM; 15616b4959f4SRob Clark dev->mode_config.prop_crtc_h = prop; 15626b4959f4SRob Clark 15636b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 15646b4959f4SRob Clark "FB_ID", DRM_MODE_OBJECT_FB); 15656b4959f4SRob Clark if (!prop) 15666b4959f4SRob Clark return -ENOMEM; 15676b4959f4SRob Clark dev->mode_config.prop_fb_id = prop; 15686b4959f4SRob Clark 15696b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 15706b4959f4SRob Clark "CRTC_ID", DRM_MODE_OBJECT_CRTC); 15716b4959f4SRob Clark if (!prop) 15726b4959f4SRob Clark return -ENOMEM; 15736b4959f4SRob Clark dev->mode_config.prop_crtc_id = prop; 15749922ab5aSRob Clark 1575eab3bbefSDaniel Vetter prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, 1576eab3bbefSDaniel Vetter "ACTIVE"); 1577eab3bbefSDaniel Vetter if (!prop) 1578eab3bbefSDaniel Vetter return -ENOMEM; 1579eab3bbefSDaniel Vetter dev->mode_config.prop_active = prop; 1580eab3bbefSDaniel Vetter 1581955f3c33SDaniel Stone prop = drm_property_create(dev, 1582955f3c33SDaniel Stone DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB, 1583955f3c33SDaniel Stone "MODE_ID", 0); 1584955f3c33SDaniel Stone if (!prop) 1585955f3c33SDaniel Stone return -ENOMEM; 1586955f3c33SDaniel Stone dev->mode_config.prop_mode_id = prop; 1587955f3c33SDaniel Stone 15885488dc16SLionel Landwerlin prop = drm_property_create(dev, 15895488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 15905488dc16SLionel Landwerlin "DEGAMMA_LUT", 0); 15915488dc16SLionel Landwerlin if (!prop) 15925488dc16SLionel Landwerlin return -ENOMEM; 15935488dc16SLionel Landwerlin dev->mode_config.degamma_lut_property = prop; 15945488dc16SLionel Landwerlin 15955488dc16SLionel Landwerlin prop = drm_property_create_range(dev, 15965488dc16SLionel Landwerlin DRM_MODE_PROP_IMMUTABLE, 15975488dc16SLionel Landwerlin "DEGAMMA_LUT_SIZE", 0, UINT_MAX); 15985488dc16SLionel Landwerlin if (!prop) 15995488dc16SLionel Landwerlin return -ENOMEM; 16005488dc16SLionel Landwerlin dev->mode_config.degamma_lut_size_property = prop; 16015488dc16SLionel Landwerlin 16025488dc16SLionel Landwerlin prop = drm_property_create(dev, 16035488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 16045488dc16SLionel Landwerlin "CTM", 0); 16055488dc16SLionel Landwerlin if (!prop) 16065488dc16SLionel Landwerlin return -ENOMEM; 16075488dc16SLionel Landwerlin dev->mode_config.ctm_property = prop; 16085488dc16SLionel Landwerlin 16095488dc16SLionel Landwerlin prop = drm_property_create(dev, 16105488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 16115488dc16SLionel Landwerlin "GAMMA_LUT", 0); 16125488dc16SLionel Landwerlin if (!prop) 16135488dc16SLionel Landwerlin return -ENOMEM; 16145488dc16SLionel Landwerlin dev->mode_config.gamma_lut_property = prop; 16155488dc16SLionel Landwerlin 16165488dc16SLionel Landwerlin prop = drm_property_create_range(dev, 16175488dc16SLionel Landwerlin DRM_MODE_PROP_IMMUTABLE, 16185488dc16SLionel Landwerlin "GAMMA_LUT_SIZE", 0, UINT_MAX); 16195488dc16SLionel Landwerlin if (!prop) 16205488dc16SLionel Landwerlin return -ENOMEM; 16215488dc16SLionel Landwerlin dev->mode_config.gamma_lut_size_property = prop; 16225488dc16SLionel Landwerlin 16239922ab5aSRob Clark return 0; 16249922ab5aSRob Clark } 16259922ab5aSRob Clark 1626f453ba04SDave Airlie /** 1627f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1628f453ba04SDave Airlie * @dev: DRM device 1629f453ba04SDave Airlie * 1630f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1631f453ba04SDave Airlie */ 1632f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1633f453ba04SDave Airlie { 1634f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1635f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1636f453ba04SDave Airlie 1637f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1638f453ba04SDave Airlie return 0; 1639f453ba04SDave Airlie 1640f453ba04SDave Airlie dvi_i_selector = 16414a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1642f453ba04SDave Airlie "select subconnector", 16434a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1644f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1645f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1646f453ba04SDave Airlie 16474a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1648f453ba04SDave Airlie "subconnector", 16494a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1650f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1651f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1652f453ba04SDave Airlie 1653f453ba04SDave Airlie return 0; 1654f453ba04SDave Airlie } 1655f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1656f453ba04SDave Airlie 1657f453ba04SDave Airlie /** 1658f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1659f453ba04SDave Airlie * @dev: DRM device 1660f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1661f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1662f453ba04SDave Airlie * 1663f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1664f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1665f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1666f453ba04SDave Airlie * this routine. 1667f453ba04SDave Airlie */ 16682f763312SThierry Reding int drm_mode_create_tv_properties(struct drm_device *dev, 16692f763312SThierry Reding unsigned int num_modes, 1670b7c914b3SVille Syrjälä const char * const modes[]) 1671f453ba04SDave Airlie { 1672f453ba04SDave Airlie struct drm_property *tv_selector; 1673f453ba04SDave Airlie struct drm_property *tv_subconnector; 16742f763312SThierry Reding unsigned int i; 1675f453ba04SDave Airlie 1676f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1677f453ba04SDave Airlie return 0; 1678f453ba04SDave Airlie 1679f453ba04SDave Airlie /* 1680f453ba04SDave Airlie * Basic connector properties 1681f453ba04SDave Airlie */ 16824a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1683f453ba04SDave Airlie "select subconnector", 16844a67d391SSascha Hauer drm_tv_select_enum_list, 1685f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 168648aa1e74SInsu Yun if (!tv_selector) 168748aa1e74SInsu Yun goto nomem; 168848aa1e74SInsu Yun 1689f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1690f453ba04SDave Airlie 1691f453ba04SDave Airlie tv_subconnector = 16924a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 16934a67d391SSascha Hauer "subconnector", 16944a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1695f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 169648aa1e74SInsu Yun if (!tv_subconnector) 169748aa1e74SInsu Yun goto nomem; 1698f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1699f453ba04SDave Airlie 1700f453ba04SDave Airlie /* 1701f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1702f453ba04SDave Airlie */ 1703f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1704d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 170548aa1e74SInsu Yun if (!dev->mode_config.tv_left_margin_property) 170648aa1e74SInsu Yun goto nomem; 1707f453ba04SDave Airlie 1708f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1709d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 171048aa1e74SInsu Yun if (!dev->mode_config.tv_right_margin_property) 171148aa1e74SInsu Yun goto nomem; 1712f453ba04SDave Airlie 1713f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1714d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 171548aa1e74SInsu Yun if (!dev->mode_config.tv_top_margin_property) 171648aa1e74SInsu Yun goto nomem; 1717f453ba04SDave Airlie 1718f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1719d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 172048aa1e74SInsu Yun if (!dev->mode_config.tv_bottom_margin_property) 172148aa1e74SInsu Yun goto nomem; 1722f453ba04SDave Airlie 1723f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1724f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1725f453ba04SDave Airlie "mode", num_modes); 172648aa1e74SInsu Yun if (!dev->mode_config.tv_mode_property) 172748aa1e74SInsu Yun goto nomem; 172848aa1e74SInsu Yun 1729f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1730f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1731f453ba04SDave Airlie i, modes[i]); 1732f453ba04SDave Airlie 1733b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1734d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 173548aa1e74SInsu Yun if (!dev->mode_config.tv_brightness_property) 173648aa1e74SInsu Yun goto nomem; 1737b6b7902eSFrancisco Jerez 1738b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1739d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 174048aa1e74SInsu Yun if (!dev->mode_config.tv_contrast_property) 174148aa1e74SInsu Yun goto nomem; 1742b6b7902eSFrancisco Jerez 1743b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1744d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 174548aa1e74SInsu Yun if (!dev->mode_config.tv_flicker_reduction_property) 174648aa1e74SInsu Yun goto nomem; 1747b6b7902eSFrancisco Jerez 1748a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1749d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 175048aa1e74SInsu Yun if (!dev->mode_config.tv_overscan_property) 175148aa1e74SInsu Yun goto nomem; 1752a75f0236SFrancisco Jerez 1753a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1754d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 175548aa1e74SInsu Yun if (!dev->mode_config.tv_saturation_property) 175648aa1e74SInsu Yun goto nomem; 1757a75f0236SFrancisco Jerez 1758a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1759d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 176048aa1e74SInsu Yun if (!dev->mode_config.tv_hue_property) 176148aa1e74SInsu Yun goto nomem; 1762a75f0236SFrancisco Jerez 1763f453ba04SDave Airlie return 0; 176448aa1e74SInsu Yun nomem: 176548aa1e74SInsu Yun return -ENOMEM; 1766f453ba04SDave Airlie } 1767f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1768f453ba04SDave Airlie 1769f453ba04SDave Airlie /** 1770f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1771f453ba04SDave Airlie * @dev: DRM device 1772f453ba04SDave Airlie * 1773f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1774f453ba04SDave Airlie * connectors. 1775f453ba04SDave Airlie */ 1776f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1777f453ba04SDave Airlie { 1778f453ba04SDave Airlie struct drm_property *scaling_mode; 1779f453ba04SDave Airlie 1780f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1781f453ba04SDave Airlie return 0; 1782f453ba04SDave Airlie 1783f453ba04SDave Airlie scaling_mode = 17844a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 17854a67d391SSascha Hauer drm_scaling_mode_enum_list, 1786f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1787f453ba04SDave Airlie 1788f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1789f453ba04SDave Airlie 1790f453ba04SDave Airlie return 0; 1791f453ba04SDave Airlie } 1792f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1793f453ba04SDave Airlie 1794f453ba04SDave Airlie /** 1795ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1796ff587e45SVandana Kannan * @dev: DRM device 1797ff587e45SVandana Kannan * 1798ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1799ff587e45SVandana Kannan * connectors. 1800ff587e45SVandana Kannan * 1801ff587e45SVandana Kannan * Returns: 18021a498633SDaniel Vetter * Zero on success, negative errno on failure. 1803ff587e45SVandana Kannan */ 1804ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1805ff587e45SVandana Kannan { 1806ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1807ff587e45SVandana Kannan return 0; 1808ff587e45SVandana Kannan 1809ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1810ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1811ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1812ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1813ff587e45SVandana Kannan 1814ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1815ff587e45SVandana Kannan return -ENOMEM; 1816ff587e45SVandana Kannan 1817ff587e45SVandana Kannan return 0; 1818ff587e45SVandana Kannan } 1819ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1820ff587e45SVandana Kannan 1821ff587e45SVandana Kannan /** 1822884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1823884840aaSJakob Bornecrantz * @dev: DRM device 1824884840aaSJakob Bornecrantz * 1825884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1826884840aaSJakob Bornecrantz * connectors. 1827884840aaSJakob Bornecrantz */ 1828884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1829884840aaSJakob Bornecrantz { 1830884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1831884840aaSJakob Bornecrantz 1832884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1833884840aaSJakob Bornecrantz return 0; 1834884840aaSJakob Bornecrantz 1835884840aaSJakob Bornecrantz dirty_info = 18364a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1837884840aaSJakob Bornecrantz "dirty", 18384a67d391SSascha Hauer drm_dirty_info_enum_list, 1839884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1840884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1841884840aaSJakob Bornecrantz 1842884840aaSJakob Bornecrantz return 0; 1843884840aaSJakob Bornecrantz } 1844884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1845884840aaSJakob Bornecrantz 18465bb2bbf5SDave Airlie /** 18475bb2bbf5SDave Airlie * drm_mode_create_suggested_offset_properties - create suggests offset properties 18485bb2bbf5SDave Airlie * @dev: DRM device 18495bb2bbf5SDave Airlie * 18505bb2bbf5SDave Airlie * Create the the suggested x/y offset property for connectors. 18515bb2bbf5SDave Airlie */ 18525bb2bbf5SDave Airlie int drm_mode_create_suggested_offset_properties(struct drm_device *dev) 18535bb2bbf5SDave Airlie { 18545bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) 18555bb2bbf5SDave Airlie return 0; 18565bb2bbf5SDave Airlie 18575bb2bbf5SDave Airlie dev->mode_config.suggested_x_property = 18585bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); 18595bb2bbf5SDave Airlie 18605bb2bbf5SDave Airlie dev->mode_config.suggested_y_property = 18615bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); 18625bb2bbf5SDave Airlie 18635bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property == NULL || 18645bb2bbf5SDave Airlie dev->mode_config.suggested_y_property == NULL) 18655bb2bbf5SDave Airlie return -ENOMEM; 18665bb2bbf5SDave Airlie return 0; 18675bb2bbf5SDave Airlie } 18685bb2bbf5SDave Airlie EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); 18695bb2bbf5SDave Airlie 1870f453ba04SDave Airlie /** 1871f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1872065a50edSDaniel Vetter * @dev: drm device for the ioctl 1873065a50edSDaniel Vetter * @data: data pointer for the ioctl 1874065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1875f453ba04SDave Airlie * 1876f453ba04SDave Airlie * Construct a set of configuration description structures and return 1877f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1878f453ba04SDave Airlie * 1879f453ba04SDave Airlie * Called by the user via ioctl. 1880f453ba04SDave Airlie * 1881c8e32cc1SDaniel Vetter * Returns: 18821a498633SDaniel Vetter * Zero on success, negative errno on failure. 1883f453ba04SDave Airlie */ 1884f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1885f453ba04SDave Airlie struct drm_file *file_priv) 1886f453ba04SDave Airlie { 1887f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1888f453ba04SDave Airlie struct list_head *lh; 1889f453ba04SDave Airlie struct drm_framebuffer *fb; 1890f453ba04SDave Airlie struct drm_connector *connector; 1891f453ba04SDave Airlie struct drm_crtc *crtc; 1892f453ba04SDave Airlie struct drm_encoder *encoder; 1893f453ba04SDave Airlie int ret = 0; 1894f453ba04SDave Airlie int connector_count = 0; 1895f453ba04SDave Airlie int crtc_count = 0; 1896f453ba04SDave Airlie int fb_count = 0; 1897f453ba04SDave Airlie int encoder_count = 0; 18989c7060f7SDaniel Vetter int copied = 0; 1899f453ba04SDave Airlie uint32_t __user *fb_id; 1900f453ba04SDave Airlie uint32_t __user *crtc_id; 1901f453ba04SDave Airlie uint32_t __user *connector_id; 1902f453ba04SDave Airlie uint32_t __user *encoder_id; 1903f453ba04SDave Airlie 1904fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1905fb3b06c8SDave Airlie return -EINVAL; 1906fb3b06c8SDave Airlie 1907f453ba04SDave Airlie 19084b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1909f453ba04SDave Airlie /* 1910f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1911f453ba04SDave Airlie * by IDs in the group list for this node 1912f453ba04SDave Airlie */ 1913f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1914f453ba04SDave Airlie fb_count++; 1915f453ba04SDave Airlie 19164b096ac1SDaniel Vetter /* handle this in 4 parts */ 19174b096ac1SDaniel Vetter /* FBs */ 19184b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 19194b096ac1SDaniel Vetter copied = 0; 19204b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 19214b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 19224b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 19234b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 19244b096ac1SDaniel Vetter return -EFAULT; 19254b096ac1SDaniel Vetter } 19264b096ac1SDaniel Vetter copied++; 19274b096ac1SDaniel Vetter } 19284b096ac1SDaniel Vetter } 19294b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 19304b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 19314b096ac1SDaniel Vetter 1932fcf93f69SDaniel Vetter /* mode_config.mutex protects the connector list against e.g. DP MST 1933fcf93f69SDaniel Vetter * connector hot-adding. CRTC/Plane lists are invariant. */ 1934fcf93f69SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1935e4f62546SDaniel Vetter drm_for_each_crtc(crtc, dev) 1936f453ba04SDave Airlie crtc_count++; 1937f453ba04SDave Airlie 19389a9f5ce8SDaniel Vetter drm_for_each_connector(connector, dev) 1939f453ba04SDave Airlie connector_count++; 1940f453ba04SDave Airlie 1941e4f62546SDaniel Vetter drm_for_each_encoder(encoder, dev) 1942f453ba04SDave Airlie encoder_count++; 1943f453ba04SDave Airlie 1944f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1945f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1946f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1947f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1948f453ba04SDave Airlie 1949f453ba04SDave Airlie /* CRTCs */ 1950f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1951f453ba04SDave Airlie copied = 0; 1952f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 19536295d607SDaniel Vetter drm_for_each_crtc(crtc, dev) { 1954fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", 1955fa3ab4c2SVille Syrjälä crtc->base.id, crtc->name); 1956f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1957f453ba04SDave Airlie ret = -EFAULT; 1958f453ba04SDave Airlie goto out; 1959f453ba04SDave Airlie } 1960f453ba04SDave Airlie copied++; 1961f453ba04SDave Airlie } 1962f453ba04SDave Airlie } 1963f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1964f453ba04SDave Airlie 1965f453ba04SDave Airlie /* Encoders */ 1966f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1967f453ba04SDave Airlie copied = 0; 1968f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 19696295d607SDaniel Vetter drm_for_each_encoder(encoder, dev) { 19709440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 197183a8cfd3SJani Nikula encoder->name); 1972f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1973f453ba04SDave Airlie copied)) { 1974f453ba04SDave Airlie ret = -EFAULT; 1975f453ba04SDave Airlie goto out; 1976f453ba04SDave Airlie } 1977f453ba04SDave Airlie copied++; 1978f453ba04SDave Airlie } 1979f453ba04SDave Airlie } 1980f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1981f453ba04SDave Airlie 1982f453ba04SDave Airlie /* Connectors */ 1983f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1984f453ba04SDave Airlie copied = 0; 1985f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 19866295d607SDaniel Vetter drm_for_each_connector(connector, dev) { 19879440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 19889440106bSJerome Glisse connector->base.id, 198925933820SJani Nikula connector->name); 1990f453ba04SDave Airlie if (put_user(connector->base.id, 1991f453ba04SDave Airlie connector_id + copied)) { 1992f453ba04SDave Airlie ret = -EFAULT; 1993f453ba04SDave Airlie goto out; 1994f453ba04SDave Airlie } 1995f453ba04SDave Airlie copied++; 1996f453ba04SDave Airlie } 1997f453ba04SDave Airlie } 1998f453ba04SDave Airlie card_res->count_connectors = connector_count; 1999f453ba04SDave Airlie 20009440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 2001f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 2002f453ba04SDave Airlie 2003f453ba04SDave Airlie out: 2004fcf93f69SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 2005f453ba04SDave Airlie return ret; 2006f453ba04SDave Airlie } 2007f453ba04SDave Airlie 2008f453ba04SDave Airlie /** 2009f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 2010065a50edSDaniel Vetter * @dev: drm device for the ioctl 2011065a50edSDaniel Vetter * @data: data pointer for the ioctl 2012065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2013f453ba04SDave Airlie * 2014f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 2015f453ba04SDave Airlie * 2016f453ba04SDave Airlie * Called by the user via ioctl. 2017f453ba04SDave Airlie * 2018c8e32cc1SDaniel Vetter * Returns: 20191a498633SDaniel Vetter * Zero on success, negative errno on failure. 2020f453ba04SDave Airlie */ 2021f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 2022f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2023f453ba04SDave Airlie { 2024f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 2025f453ba04SDave Airlie struct drm_crtc *crtc; 2026f453ba04SDave Airlie 2027fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2028fb3b06c8SDave Airlie return -EINVAL; 2029fb3b06c8SDave Airlie 2030a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 2031fcf93f69SDaniel Vetter if (!crtc) 2032fcf93f69SDaniel Vetter return -ENOENT; 2033f453ba04SDave Airlie 2034fcf93f69SDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 2035f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 2036f4510a27SMatt Roper if (crtc->primary->fb) 2037f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 2038f453ba04SDave Airlie else 2039f453ba04SDave Airlie crtc_resp->fb_id = 0; 2040f453ba04SDave Airlie 204131c946e8SDaniel Vetter if (crtc->state) { 204231c946e8SDaniel Vetter crtc_resp->x = crtc->primary->state->src_x >> 16; 204331c946e8SDaniel Vetter crtc_resp->y = crtc->primary->state->src_y >> 16; 204431c946e8SDaniel Vetter if (crtc->state->enable) { 2045934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); 204631c946e8SDaniel Vetter crtc_resp->mode_valid = 1; 2047f453ba04SDave Airlie 204831c946e8SDaniel Vetter } else { 204931c946e8SDaniel Vetter crtc_resp->mode_valid = 0; 205031c946e8SDaniel Vetter } 205131c946e8SDaniel Vetter } else { 205231c946e8SDaniel Vetter crtc_resp->x = crtc->x; 205331c946e8SDaniel Vetter crtc_resp->y = crtc->y; 205431c946e8SDaniel Vetter if (crtc->enabled) { 2055934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); 2056f453ba04SDave Airlie crtc_resp->mode_valid = 1; 2057f453ba04SDave Airlie 2058f453ba04SDave Airlie } else { 2059f453ba04SDave Airlie crtc_resp->mode_valid = 0; 2060f453ba04SDave Airlie } 206131c946e8SDaniel Vetter } 2062fcf93f69SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2063f453ba04SDave Airlie 2064baf698b0SDaniel Vetter return 0; 2065f453ba04SDave Airlie } 2066f453ba04SDave Airlie 206761d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 206861d8e328SDamien Lespiau const struct drm_file *file_priv) 206961d8e328SDamien Lespiau { 207061d8e328SDamien Lespiau /* 207161d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 207261d8e328SDamien Lespiau * modes, don't expose them. 207361d8e328SDamien Lespiau */ 207461d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 207561d8e328SDamien Lespiau return false; 207661d8e328SDamien Lespiau 207761d8e328SDamien Lespiau return true; 207861d8e328SDamien Lespiau } 207961d8e328SDamien Lespiau 2080abd69c55SDaniel Vetter static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) 2081abd69c55SDaniel Vetter { 2082abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2083abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2084abd69c55SDaniel Vetter if (connector->state) 2085abd69c55SDaniel Vetter return connector->state->best_encoder; 2086abd69c55SDaniel Vetter return connector->encoder; 2087abd69c55SDaniel Vetter } 2088abd69c55SDaniel Vetter 208995cbf110SRob Clark /* helper for getconnector and getproperties ioctls */ 209088a48e29SRob Clark static int get_properties(struct drm_mode_object *obj, bool atomic, 209195cbf110SRob Clark uint32_t __user *prop_ptr, uint64_t __user *prop_values, 209295cbf110SRob Clark uint32_t *arg_count_props) 209395cbf110SRob Clark { 209488a48e29SRob Clark int props_count; 209588a48e29SRob Clark int i, ret, copied; 209688a48e29SRob Clark 209788a48e29SRob Clark props_count = obj->properties->count; 209888a48e29SRob Clark if (!atomic) 209988a48e29SRob Clark props_count -= obj->properties->atomic_count; 210095cbf110SRob Clark 210195cbf110SRob Clark if ((*arg_count_props >= props_count) && props_count) { 210288a48e29SRob Clark for (i = 0, copied = 0; copied < props_count; i++) { 210395cbf110SRob Clark struct drm_property *prop = obj->properties->properties[i]; 210495cbf110SRob Clark uint64_t val; 210595cbf110SRob Clark 210688a48e29SRob Clark if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) 210788a48e29SRob Clark continue; 210888a48e29SRob Clark 210995cbf110SRob Clark ret = drm_object_property_get_value(obj, prop, &val); 211095cbf110SRob Clark if (ret) 211195cbf110SRob Clark return ret; 211295cbf110SRob Clark 211395cbf110SRob Clark if (put_user(prop->base.id, prop_ptr + copied)) 211495cbf110SRob Clark return -EFAULT; 211595cbf110SRob Clark 211695cbf110SRob Clark if (put_user(val, prop_values + copied)) 211795cbf110SRob Clark return -EFAULT; 211895cbf110SRob Clark 211995cbf110SRob Clark copied++; 212095cbf110SRob Clark } 212195cbf110SRob Clark } 212295cbf110SRob Clark *arg_count_props = props_count; 212395cbf110SRob Clark 212495cbf110SRob Clark return 0; 212595cbf110SRob Clark } 212695cbf110SRob Clark 2127f453ba04SDave Airlie /** 2128f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 2129065a50edSDaniel Vetter * @dev: drm device for the ioctl 2130065a50edSDaniel Vetter * @data: data pointer for the ioctl 2131065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2132f453ba04SDave Airlie * 2133f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 2134f453ba04SDave Airlie * 2135f453ba04SDave Airlie * Called by the user via ioctl. 2136f453ba04SDave Airlie * 2137c8e32cc1SDaniel Vetter * Returns: 21381a498633SDaniel Vetter * Zero on success, negative errno on failure. 2139f453ba04SDave Airlie */ 2140f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 2141f453ba04SDave Airlie struct drm_file *file_priv) 2142f453ba04SDave Airlie { 2143f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 2144f453ba04SDave Airlie struct drm_connector *connector; 2145abd69c55SDaniel Vetter struct drm_encoder *encoder; 2146f453ba04SDave Airlie struct drm_display_mode *mode; 2147f453ba04SDave Airlie int mode_count = 0; 2148f453ba04SDave Airlie int encoders_count = 0; 2149f453ba04SDave Airlie int ret = 0; 2150f453ba04SDave Airlie int copied = 0; 2151f453ba04SDave Airlie int i; 2152f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 2153f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 2154f453ba04SDave Airlie uint32_t __user *encoder_ptr; 2155f453ba04SDave Airlie 2156fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2157fb3b06c8SDave Airlie return -EINVAL; 2158fb3b06c8SDave Airlie 2159f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 2160f453ba04SDave Airlie 21619440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 2162f453ba04SDave Airlie 21637b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 2164f453ba04SDave Airlie 2165a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 2166a2b34e22SRob Clark if (!connector) { 2167f27657f2SVille Syrjälä ret = -ENOENT; 216804bdf441STommi Rantala goto out_unlock; 2169f453ba04SDave Airlie } 2170f453ba04SDave Airlie 217101073b08SThierry Reding for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) 217201073b08SThierry Reding if (connector->encoder_ids[i] != 0) 2173f453ba04SDave Airlie encoders_count++; 2174f453ba04SDave Airlie 2175f453ba04SDave Airlie if (out_resp->count_modes == 0) { 2176f453ba04SDave Airlie connector->funcs->fill_modes(connector, 2177f453ba04SDave Airlie dev->mode_config.max_width, 2178f453ba04SDave Airlie dev->mode_config.max_height); 2179f453ba04SDave Airlie } 2180f453ba04SDave Airlie 2181f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2182f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 218361d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2184f453ba04SDave Airlie mode_count++; 2185f453ba04SDave Airlie 2186f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2187f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2188f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2189f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2190f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2191f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2192f453ba04SDave Airlie out_resp->connection = connector->status; 21932caa80e7SDaniel Vetter 21942caa80e7SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2195abd69c55SDaniel Vetter encoder = drm_connector_get_encoder(connector); 2196abd69c55SDaniel Vetter if (encoder) 2197abd69c55SDaniel Vetter out_resp->encoder_id = encoder->base.id; 2198f453ba04SDave Airlie else 2199f453ba04SDave Airlie out_resp->encoder_id = 0; 2200f453ba04SDave Airlie 2201f453ba04SDave Airlie /* 2202f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2203f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2204f453ba04SDave Airlie */ 2205f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2206f453ba04SDave Airlie copied = 0; 220781f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2208f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 220961d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 221061d8e328SDamien Lespiau continue; 221161d8e328SDamien Lespiau 2212934a8a89SDaniel Stone drm_mode_convert_to_umode(&u_mode, mode); 2213f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2214f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2215f453ba04SDave Airlie ret = -EFAULT; 2216f453ba04SDave Airlie goto out; 2217f453ba04SDave Airlie } 2218f453ba04SDave Airlie copied++; 2219f453ba04SDave Airlie } 2220f453ba04SDave Airlie } 2221f453ba04SDave Airlie out_resp->count_modes = mode_count; 2222f453ba04SDave Airlie 222388a48e29SRob Clark ret = get_properties(&connector->base, file_priv->atomic, 222495cbf110SRob Clark (uint32_t __user *)(unsigned long)(out_resp->props_ptr), 222595cbf110SRob Clark (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), 222695cbf110SRob Clark &out_resp->count_props); 222722b8b13bSRob Clark if (ret) 2228f453ba04SDave Airlie goto out; 2229f453ba04SDave Airlie 2230f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2231f453ba04SDave Airlie copied = 0; 223281f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2233f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2234f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2235f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2236f453ba04SDave Airlie encoder_ptr + copied)) { 2237f453ba04SDave Airlie ret = -EFAULT; 2238f453ba04SDave Airlie goto out; 2239f453ba04SDave Airlie } 2240f453ba04SDave Airlie copied++; 2241f453ba04SDave Airlie } 2242f453ba04SDave Airlie } 2243f453ba04SDave Airlie } 2244f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2245f453ba04SDave Airlie 2246f453ba04SDave Airlie out: 2247ccfc0865SRob Clark drm_modeset_unlock(&dev->mode_config.connection_mutex); 224804bdf441STommi Rantala 224904bdf441STommi Rantala out_unlock: 22507b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 22517b24056bSDaniel Vetter 2252f453ba04SDave Airlie return ret; 2253f453ba04SDave Airlie } 2254f453ba04SDave Airlie 2255abd69c55SDaniel Vetter static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) 2256abd69c55SDaniel Vetter { 2257abd69c55SDaniel Vetter struct drm_connector *connector; 2258abd69c55SDaniel Vetter struct drm_device *dev = encoder->dev; 2259abd69c55SDaniel Vetter bool uses_atomic = false; 2260abd69c55SDaniel Vetter 2261abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2262abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 22636295d607SDaniel Vetter drm_for_each_connector(connector, dev) { 2264abd69c55SDaniel Vetter if (!connector->state) 2265abd69c55SDaniel Vetter continue; 2266abd69c55SDaniel Vetter 2267abd69c55SDaniel Vetter uses_atomic = true; 2268abd69c55SDaniel Vetter 2269abd69c55SDaniel Vetter if (connector->state->best_encoder != encoder) 2270abd69c55SDaniel Vetter continue; 2271abd69c55SDaniel Vetter 2272abd69c55SDaniel Vetter return connector->state->crtc; 2273abd69c55SDaniel Vetter } 2274abd69c55SDaniel Vetter 2275abd69c55SDaniel Vetter /* Don't return stale data (e.g. pending async disable). */ 2276abd69c55SDaniel Vetter if (uses_atomic) 2277abd69c55SDaniel Vetter return NULL; 2278abd69c55SDaniel Vetter 2279abd69c55SDaniel Vetter return encoder->crtc; 2280abd69c55SDaniel Vetter } 2281abd69c55SDaniel Vetter 2282c8e32cc1SDaniel Vetter /** 2283c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2284c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2285c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2286c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2287c8e32cc1SDaniel Vetter * 2288c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2289c8e32cc1SDaniel Vetter * 2290c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2291c8e32cc1SDaniel Vetter * 2292c8e32cc1SDaniel Vetter * Returns: 22931a498633SDaniel Vetter * Zero on success, negative errno on failure. 2294c8e32cc1SDaniel Vetter */ 2295f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2296f453ba04SDave Airlie struct drm_file *file_priv) 2297f453ba04SDave Airlie { 2298f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2299f453ba04SDave Airlie struct drm_encoder *encoder; 2300abd69c55SDaniel Vetter struct drm_crtc *crtc; 2301f453ba04SDave Airlie 2302fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2303fb3b06c8SDave Airlie return -EINVAL; 2304fb3b06c8SDave Airlie 2305a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2306fcf93f69SDaniel Vetter if (!encoder) 2307fcf93f69SDaniel Vetter return -ENOENT; 2308f453ba04SDave Airlie 2309fcf93f69SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2310abd69c55SDaniel Vetter crtc = drm_encoder_get_crtc(encoder); 2311abd69c55SDaniel Vetter if (crtc) 2312abd69c55SDaniel Vetter enc_resp->crtc_id = crtc->base.id; 2313f453ba04SDave Airlie else 2314f453ba04SDave Airlie enc_resp->crtc_id = 0; 2315fcf93f69SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2316fcf93f69SDaniel Vetter 2317f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2318f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2319f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2320f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2321f453ba04SDave Airlie 2322baf698b0SDaniel Vetter return 0; 2323f453ba04SDave Airlie } 2324f453ba04SDave Airlie 2325f453ba04SDave Airlie /** 2326c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 23278cf5c917SJesse Barnes * @dev: DRM device 23288cf5c917SJesse Barnes * @data: ioctl data 23298cf5c917SJesse Barnes * @file_priv: DRM file info 23308cf5c917SJesse Barnes * 2331c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2332c8e32cc1SDaniel Vetter * 2333c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2334c8e32cc1SDaniel Vetter * 2335c8e32cc1SDaniel Vetter * Returns: 23361a498633SDaniel Vetter * Zero on success, negative errno on failure. 23378cf5c917SJesse Barnes */ 23388cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 23398cf5c917SJesse Barnes struct drm_file *file_priv) 23408cf5c917SJesse Barnes { 23418cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 23428cf5c917SJesse Barnes struct drm_mode_config *config; 23438cf5c917SJesse Barnes struct drm_plane *plane; 23448cf5c917SJesse Barnes uint32_t __user *plane_ptr; 2345fcf93f69SDaniel Vetter int copied = 0; 2346681e7ec7SMatt Roper unsigned num_planes; 23478cf5c917SJesse Barnes 23488cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23498cf5c917SJesse Barnes return -EINVAL; 23508cf5c917SJesse Barnes 23518cf5c917SJesse Barnes config = &dev->mode_config; 23528cf5c917SJesse Barnes 2353681e7ec7SMatt Roper if (file_priv->universal_planes) 2354681e7ec7SMatt Roper num_planes = config->num_total_plane; 2355681e7ec7SMatt Roper else 2356681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2357681e7ec7SMatt Roper 23588cf5c917SJesse Barnes /* 23598cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 23608cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 23618cf5c917SJesse Barnes */ 2362681e7ec7SMatt Roper if (num_planes && 2363681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 236481f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 23658cf5c917SJesse Barnes 2366fcf93f69SDaniel Vetter /* Plane lists are invariant, no locking needed. */ 2367e4f62546SDaniel Vetter drm_for_each_plane(plane, dev) { 2368681e7ec7SMatt Roper /* 2369681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2370681e7ec7SMatt Roper * capability bit, only advertise overlays. 2371681e7ec7SMatt Roper */ 2372681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2373681e7ec7SMatt Roper !file_priv->universal_planes) 2374e27dde3eSMatt Roper continue; 2375e27dde3eSMatt Roper 2376fcf93f69SDaniel Vetter if (put_user(plane->base.id, plane_ptr + copied)) 2377fcf93f69SDaniel Vetter return -EFAULT; 23788cf5c917SJesse Barnes copied++; 23798cf5c917SJesse Barnes } 23808cf5c917SJesse Barnes } 2381681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 23828cf5c917SJesse Barnes 2383fcf93f69SDaniel Vetter return 0; 23848cf5c917SJesse Barnes } 23858cf5c917SJesse Barnes 23868cf5c917SJesse Barnes /** 2387c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 23888cf5c917SJesse Barnes * @dev: DRM device 23898cf5c917SJesse Barnes * @data: ioctl data 23908cf5c917SJesse Barnes * @file_priv: DRM file info 23918cf5c917SJesse Barnes * 2392c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2393c8e32cc1SDaniel Vetter * 2394c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2395c8e32cc1SDaniel Vetter * 2396c8e32cc1SDaniel Vetter * Returns: 23971a498633SDaniel Vetter * Zero on success, negative errno on failure. 23988cf5c917SJesse Barnes */ 23998cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 24008cf5c917SJesse Barnes struct drm_file *file_priv) 24018cf5c917SJesse Barnes { 24028cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 24038cf5c917SJesse Barnes struct drm_plane *plane; 24048cf5c917SJesse Barnes uint32_t __user *format_ptr; 24058cf5c917SJesse Barnes 24068cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 24078cf5c917SJesse Barnes return -EINVAL; 24088cf5c917SJesse Barnes 2409a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2410fcf93f69SDaniel Vetter if (!plane) 2411fcf93f69SDaniel Vetter return -ENOENT; 24128cf5c917SJesse Barnes 2413fcf93f69SDaniel Vetter drm_modeset_lock(&plane->mutex, NULL); 24148cf5c917SJesse Barnes if (plane->crtc) 24158cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 24168cf5c917SJesse Barnes else 24178cf5c917SJesse Barnes plane_resp->crtc_id = 0; 24188cf5c917SJesse Barnes 24198cf5c917SJesse Barnes if (plane->fb) 24208cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 24218cf5c917SJesse Barnes else 24228cf5c917SJesse Barnes plane_resp->fb_id = 0; 2423fcf93f69SDaniel Vetter drm_modeset_unlock(&plane->mutex); 24248cf5c917SJesse Barnes 24258cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 24268cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2427778ad903SVille Syrjälä plane_resp->gamma_size = 0; 24288cf5c917SJesse Barnes 24298cf5c917SJesse Barnes /* 24308cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 24318cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 24328cf5c917SJesse Barnes */ 24338cf5c917SJesse Barnes if (plane->format_count && 24348cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 243581f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 24368cf5c917SJesse Barnes if (copy_to_user(format_ptr, 24378cf5c917SJesse Barnes plane->format_types, 24388cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 2439fcf93f69SDaniel Vetter return -EFAULT; 24408cf5c917SJesse Barnes } 24418cf5c917SJesse Barnes } 24428cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 24438cf5c917SJesse Barnes 2444baf698b0SDaniel Vetter return 0; 24458cf5c917SJesse Barnes } 24468cf5c917SJesse Barnes 2447ead8610dSLaurent Pinchart /** 2448ead8610dSLaurent Pinchart * drm_plane_check_pixel_format - Check if the plane supports the pixel format 2449ead8610dSLaurent Pinchart * @plane: plane to check for format support 2450ead8610dSLaurent Pinchart * @format: the pixel format 2451ead8610dSLaurent Pinchart * 2452ead8610dSLaurent Pinchart * Returns: 2453ead8610dSLaurent Pinchart * Zero of @plane has @format in its list of supported pixel formats, -EINVAL 2454ead8610dSLaurent Pinchart * otherwise. 2455ead8610dSLaurent Pinchart */ 2456ead8610dSLaurent Pinchart int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) 2457ead8610dSLaurent Pinchart { 2458ead8610dSLaurent Pinchart unsigned int i; 2459ead8610dSLaurent Pinchart 2460ead8610dSLaurent Pinchart for (i = 0; i < plane->format_count; i++) { 2461ead8610dSLaurent Pinchart if (format == plane->format_types[i]) 2462ead8610dSLaurent Pinchart return 0; 2463ead8610dSLaurent Pinchart } 2464ead8610dSLaurent Pinchart 2465ead8610dSLaurent Pinchart return -EINVAL; 2466ead8610dSLaurent Pinchart } 2467ead8610dSLaurent Pinchart 2468ce8d9eccSVille Syrjälä static int check_src_coords(uint32_t src_x, uint32_t src_y, 2469ce8d9eccSVille Syrjälä uint32_t src_w, uint32_t src_h, 2470ce8d9eccSVille Syrjälä const struct drm_framebuffer *fb) 2471ce8d9eccSVille Syrjälä { 2472ce8d9eccSVille Syrjälä unsigned int fb_width, fb_height; 2473ce8d9eccSVille Syrjälä 2474ce8d9eccSVille Syrjälä fb_width = fb->width << 16; 2475ce8d9eccSVille Syrjälä fb_height = fb->height << 16; 2476ce8d9eccSVille Syrjälä 2477ce8d9eccSVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2478ce8d9eccSVille Syrjälä if (src_w > fb_width || 2479ce8d9eccSVille Syrjälä src_x > fb_width - src_w || 2480ce8d9eccSVille Syrjälä src_h > fb_height || 2481ce8d9eccSVille Syrjälä src_y > fb_height - src_h) { 2482ce8d9eccSVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 2483ce8d9eccSVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2484ce8d9eccSVille Syrjälä src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2485ce8d9eccSVille Syrjälä src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2486ce8d9eccSVille Syrjälä src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2487ce8d9eccSVille Syrjälä src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 2488ce8d9eccSVille Syrjälä return -ENOSPC; 2489ce8d9eccSVille Syrjälä } 2490ce8d9eccSVille Syrjälä 2491ce8d9eccSVille Syrjälä return 0; 2492ce8d9eccSVille Syrjälä } 2493ce8d9eccSVille Syrjälä 2494b36552b3SMatt Roper /* 2495b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 24968cf5c917SJesse Barnes * 2497b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2498b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2499b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2500c8e32cc1SDaniel Vetter * 2501b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 25028cf5c917SJesse Barnes */ 2503f2b50c11SDaniel Vetter static int __setplane_internal(struct drm_plane *plane, 250417cfd91fSChris Wilson struct drm_crtc *crtc, 2505b36552b3SMatt Roper struct drm_framebuffer *fb, 2506b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2507b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2508b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2509b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2510b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 25118cf5c917SJesse Barnes { 25128cf5c917SJesse Barnes int ret = 0; 25138cf5c917SJesse Barnes 25148cf5c917SJesse Barnes /* No fb means shut it down */ 2515b36552b3SMatt Roper if (!fb) { 25163d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2517731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2518731cce48SDaniel Vetter if (!ret) { 2519e5e3b44cSVille Syrjälä plane->crtc = NULL; 2520e5e3b44cSVille Syrjälä plane->fb = NULL; 2521731cce48SDaniel Vetter } else { 25223d30a59bSDaniel Vetter plane->old_fb = NULL; 2523731cce48SDaniel Vetter } 25248cf5c917SJesse Barnes goto out; 25258cf5c917SJesse Barnes } 25268cf5c917SJesse Barnes 25277f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 25287f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 25297f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 25307f994f3fSMatt Roper ret = -EINVAL; 25317f994f3fSMatt Roper goto out; 25327f994f3fSMatt Roper } 25337f994f3fSMatt Roper 253462443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 2535ead8610dSLaurent Pinchart ret = drm_plane_check_pixel_format(plane, fb->pixel_format); 2536ead8610dSLaurent Pinchart if (ret) { 25376ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 25386ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 253962443be6SVille Syrjälä goto out; 254062443be6SVille Syrjälä } 254162443be6SVille Syrjälä 25423968be94SMatt Roper /* Give drivers some help against integer overflows */ 25433968be94SMatt Roper if (crtc_w > INT_MAX || 25443968be94SMatt Roper crtc_x > INT_MAX - (int32_t) crtc_w || 25453968be94SMatt Roper crtc_h > INT_MAX || 25463968be94SMatt Roper crtc_y > INT_MAX - (int32_t) crtc_h) { 25473968be94SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 25483968be94SMatt Roper crtc_w, crtc_h, crtc_x, crtc_y); 2549c390eed0SVille Syrjälä ret = -ERANGE; 255042ef8789SVille Syrjälä goto out; 255142ef8789SVille Syrjälä } 255242ef8789SVille Syrjälä 2553ce8d9eccSVille Syrjälä ret = check_src_coords(src_x, src_y, src_w, src_h, fb); 2554ce8d9eccSVille Syrjälä if (ret) 2555f453ba04SDave Airlie goto out; 2556f453ba04SDave Airlie 25573d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2558f453ba04SDave Airlie ret = plane->funcs->update_plane(plane, crtc, fb, 2559b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2560b36552b3SMatt Roper src_x, src_y, src_w, src_h); 2561f453ba04SDave Airlie if (!ret) { 2562f453ba04SDave Airlie plane->crtc = crtc; 2563f453ba04SDave Airlie plane->fb = fb; 256435f8badcSDaniel Vetter fb = NULL; 25650fe27f06SDaniel Vetter } else { 25663d30a59bSDaniel Vetter plane->old_fb = NULL; 2567f453ba04SDave Airlie } 2568f453ba04SDave Airlie 2569f453ba04SDave Airlie out: 25706c2a7532SDaniel Vetter if (fb) 25716c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 25723d30a59bSDaniel Vetter if (plane->old_fb) 25733d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 25743d30a59bSDaniel Vetter plane->old_fb = NULL; 2575f453ba04SDave Airlie 2576f453ba04SDave Airlie return ret; 2577f2b50c11SDaniel Vetter } 2578b36552b3SMatt Roper 2579f2b50c11SDaniel Vetter static int setplane_internal(struct drm_plane *plane, 2580f2b50c11SDaniel Vetter struct drm_crtc *crtc, 2581f2b50c11SDaniel Vetter struct drm_framebuffer *fb, 2582f2b50c11SDaniel Vetter int32_t crtc_x, int32_t crtc_y, 2583f2b50c11SDaniel Vetter uint32_t crtc_w, uint32_t crtc_h, 2584f2b50c11SDaniel Vetter /* src_{x,y,w,h} values are 16.16 fixed point */ 2585f2b50c11SDaniel Vetter uint32_t src_x, uint32_t src_y, 2586f2b50c11SDaniel Vetter uint32_t src_w, uint32_t src_h) 2587f2b50c11SDaniel Vetter { 2588f2b50c11SDaniel Vetter int ret; 2589f2b50c11SDaniel Vetter 2590f2b50c11SDaniel Vetter drm_modeset_lock_all(plane->dev); 2591f2b50c11SDaniel Vetter ret = __setplane_internal(plane, crtc, fb, 2592f2b50c11SDaniel Vetter crtc_x, crtc_y, crtc_w, crtc_h, 2593f2b50c11SDaniel Vetter src_x, src_y, src_w, src_h); 2594f2b50c11SDaniel Vetter drm_modeset_unlock_all(plane->dev); 2595f2b50c11SDaniel Vetter 2596f2b50c11SDaniel Vetter return ret; 2597b36552b3SMatt Roper } 2598b36552b3SMatt Roper 2599b36552b3SMatt Roper /** 2600b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2601b36552b3SMatt Roper * @dev: DRM device 2602b36552b3SMatt Roper * @data: ioctl data* 2603b36552b3SMatt Roper * @file_priv: DRM file info 2604b36552b3SMatt Roper * 2605b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2606b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2607b36552b3SMatt Roper * valid crtc). 2608b36552b3SMatt Roper * 2609b36552b3SMatt Roper * Returns: 26101a498633SDaniel Vetter * Zero on success, negative errno on failure. 2611b36552b3SMatt Roper */ 2612b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2613b36552b3SMatt Roper struct drm_file *file_priv) 2614b36552b3SMatt Roper { 2615b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2616b36552b3SMatt Roper struct drm_plane *plane; 2617b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2618b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2619b36552b3SMatt Roper 2620b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2621b36552b3SMatt Roper return -EINVAL; 2622b36552b3SMatt Roper 2623b36552b3SMatt Roper /* 2624b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2625b36552b3SMatt Roper * we don't bother to call the driver. 2626b36552b3SMatt Roper */ 2627933f622fSRob Clark plane = drm_plane_find(dev, plane_req->plane_id); 2628933f622fSRob Clark if (!plane) { 2629b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2630b36552b3SMatt Roper plane_req->plane_id); 2631b36552b3SMatt Roper return -ENOENT; 2632b36552b3SMatt Roper } 2633b36552b3SMatt Roper 2634b36552b3SMatt Roper if (plane_req->fb_id) { 2635b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2636b36552b3SMatt Roper if (!fb) { 2637b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2638b36552b3SMatt Roper plane_req->fb_id); 2639b36552b3SMatt Roper return -ENOENT; 2640b36552b3SMatt Roper } 2641b36552b3SMatt Roper 2642933f622fSRob Clark crtc = drm_crtc_find(dev, plane_req->crtc_id); 2643933f622fSRob Clark if (!crtc) { 2644b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2645b36552b3SMatt Roper plane_req->crtc_id); 2646b36552b3SMatt Roper return -ENOENT; 2647b36552b3SMatt Roper } 2648b36552b3SMatt Roper } 2649b36552b3SMatt Roper 2650161d0dc1SMatt Roper /* 2651161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2652161d0dc1SMatt Roper * framebuffer depending on success. 2653161d0dc1SMatt Roper */ 265417cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2655b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2656b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2657b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2658b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 2659f453ba04SDave Airlie } 2660f453ba04SDave Airlie 2661f453ba04SDave Airlie /** 26622d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 26632d13b679SDaniel Vetter * @set: modeset config to set 26642d13b679SDaniel Vetter * 26652d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 26662d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2667c8e32cc1SDaniel Vetter * 2668c8e32cc1SDaniel Vetter * Returns: 26691a498633SDaniel Vetter * Zero on success, negative errno on failure. 26702d13b679SDaniel Vetter */ 26712d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 26722d13b679SDaniel Vetter { 26732d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 26745cef29aaSDaniel Vetter struct drm_framebuffer *fb; 26755cef29aaSDaniel Vetter struct drm_crtc *tmp; 2676b0d12325SDaniel Vetter int ret; 26772d13b679SDaniel Vetter 26785cef29aaSDaniel Vetter /* 26795cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 26805cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 26815cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 26825cef29aaSDaniel Vetter */ 2683e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) 26843d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 26855cef29aaSDaniel Vetter 2686b0d12325SDaniel Vetter fb = set->fb; 2687b0d12325SDaniel Vetter 2688b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2689b0d12325SDaniel Vetter if (ret == 0) { 2690e13161afSMatt Roper crtc->primary->crtc = crtc; 26910fe27f06SDaniel Vetter crtc->primary->fb = fb; 26925cef29aaSDaniel Vetter } 2693cc85e121SDaniel Vetter 2694e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 2695f4510a27SMatt Roper if (tmp->primary->fb) 2696f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 26973d30a59bSDaniel Vetter if (tmp->primary->old_fb) 26983d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 26993d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2700b0d12325SDaniel Vetter } 2701b0d12325SDaniel Vetter 2702b0d12325SDaniel Vetter return ret; 27032d13b679SDaniel Vetter } 27042d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 27052d13b679SDaniel Vetter 2706af93629dSMatt Roper /** 2707ecb7e16bSGustavo Padovan * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode 2708ecb7e16bSGustavo Padovan * @mode: mode to query 2709ecb7e16bSGustavo Padovan * @hdisplay: hdisplay value to fill in 2710ecb7e16bSGustavo Padovan * @vdisplay: vdisplay value to fill in 2711ecb7e16bSGustavo Padovan * 2712ecb7e16bSGustavo Padovan * The vdisplay value will be doubled if the specified mode is a stereo mode of 2713ecb7e16bSGustavo Padovan * the appropriate layout. 2714ecb7e16bSGustavo Padovan */ 2715ecb7e16bSGustavo Padovan void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, 2716ecb7e16bSGustavo Padovan int *hdisplay, int *vdisplay) 2717ecb7e16bSGustavo Padovan { 2718ecb7e16bSGustavo Padovan struct drm_display_mode adjusted; 2719ecb7e16bSGustavo Padovan 2720ecb7e16bSGustavo Padovan drm_mode_copy(&adjusted, mode); 2721ecb7e16bSGustavo Padovan drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); 2722ecb7e16bSGustavo Padovan *hdisplay = adjusted.crtc_hdisplay; 2723ecb7e16bSGustavo Padovan *vdisplay = adjusted.crtc_vdisplay; 2724ecb7e16bSGustavo Padovan } 2725ecb7e16bSGustavo Padovan EXPORT_SYMBOL(drm_crtc_get_hv_timing); 2726ecb7e16bSGustavo Padovan 2727ecb7e16bSGustavo Padovan /** 2728af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2729af93629dSMatt Roper * CRTC viewport 2730af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2731af93629dSMatt Roper * @x: x panning 2732af93629dSMatt Roper * @y: y panning 2733af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2734af93629dSMatt Roper * @fb: framebuffer to check size of 2735c11e9283SDamien Lespiau */ 2736af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2737c11e9283SDamien Lespiau int x, int y, 2738c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2739c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2740c11e9283SDamien Lespiau 2741c11e9283SDamien Lespiau { 2742c11e9283SDamien Lespiau int hdisplay, vdisplay; 2743c11e9283SDamien Lespiau 2744ecb7e16bSGustavo Padovan drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); 2745a0c1bbb0SDamien Lespiau 274633e0be63SVille Syrjälä if (crtc->state && 274733e0be63SVille Syrjälä crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) | 274833e0be63SVille Syrjälä BIT(DRM_ROTATE_270))) 2749c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2750c11e9283SDamien Lespiau 2751ce8d9eccSVille Syrjälä return check_src_coords(x << 16, y << 16, 2752ce8d9eccSVille Syrjälä hdisplay << 16, vdisplay << 16, fb); 2753c11e9283SDamien Lespiau } 2754af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2755c11e9283SDamien Lespiau 27562d13b679SDaniel Vetter /** 2757f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2758065a50edSDaniel Vetter * @dev: drm device for the ioctl 2759065a50edSDaniel Vetter * @data: data pointer for the ioctl 2760065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2761f453ba04SDave Airlie * 2762f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2763f453ba04SDave Airlie * 2764f453ba04SDave Airlie * Called by the user via ioctl. 2765f453ba04SDave Airlie * 2766c8e32cc1SDaniel Vetter * Returns: 27671a498633SDaniel Vetter * Zero on success, negative errno on failure. 2768f453ba04SDave Airlie */ 2769f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2770f453ba04SDave Airlie struct drm_file *file_priv) 2771f453ba04SDave Airlie { 2772f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2773f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 27746653cc8dSVille Syrjälä struct drm_crtc *crtc; 2775f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2776f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2777f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2778f453ba04SDave Airlie struct drm_mode_set set; 2779f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 27804a1b0714SLaurent Pinchart int ret; 2781f453ba04SDave Airlie int i; 2782f453ba04SDave Airlie 2783fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2784fb3b06c8SDave Airlie return -EINVAL; 2785fb3b06c8SDave Airlie 278601447e9fSZhao Junwang /* 278701447e9fSZhao Junwang * Universal plane src offsets are only 16.16, prevent havoc for 278801447e9fSZhao Junwang * drivers using universal plane code internally. 278901447e9fSZhao Junwang */ 279001447e9fSZhao Junwang if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) 27911d97e915SVille Syrjälä return -ERANGE; 27921d97e915SVille Syrjälä 279384849903SDaniel Vetter drm_modeset_lock_all(dev); 2794a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2795a2b34e22SRob Clark if (!crtc) { 279658367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2797f27657f2SVille Syrjälä ret = -ENOENT; 2798f453ba04SDave Airlie goto out; 2799f453ba04SDave Airlie } 2800fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); 2801f453ba04SDave Airlie 2802f453ba04SDave Airlie if (crtc_req->mode_valid) { 2803f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2804f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2805f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2806f4510a27SMatt Roper if (!crtc->primary->fb) { 28076653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 28086653cc8dSVille Syrjälä ret = -EINVAL; 28096653cc8dSVille Syrjälä goto out; 28106653cc8dSVille Syrjälä } 2811f4510a27SMatt Roper fb = crtc->primary->fb; 2812b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2813b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2814f453ba04SDave Airlie } else { 2815786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2816786b99edSDaniel Vetter if (!fb) { 281758367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 281858367ed6SZhao Yakui crtc_req->fb_id); 281937c4e705SVille Syrjälä ret = -ENOENT; 2820f453ba04SDave Airlie goto out; 2821f453ba04SDave Airlie } 2822f453ba04SDave Airlie } 2823f453ba04SDave Airlie 2824f453ba04SDave Airlie mode = drm_mode_create(dev); 2825ee34ab5bSVille Syrjälä if (!mode) { 2826ee34ab5bSVille Syrjälä ret = -ENOMEM; 2827ee34ab5bSVille Syrjälä goto out; 2828ee34ab5bSVille Syrjälä } 2829ee34ab5bSVille Syrjälä 2830934a8a89SDaniel Stone ret = drm_mode_convert_umode(mode, &crtc_req->mode); 283190367bf6SVille Syrjälä if (ret) { 283290367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 283390367bf6SVille Syrjälä goto out; 283490367bf6SVille Syrjälä } 283590367bf6SVille Syrjälä 2836f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 28375f61bb42SVille Syrjälä 28387eb5f302SLaurent Pinchart /* 28397eb5f302SLaurent Pinchart * Check whether the primary plane supports the fb pixel format. 28407eb5f302SLaurent Pinchart * Drivers not implementing the universal planes API use a 28417eb5f302SLaurent Pinchart * default formats list provided by the DRM core which doesn't 28427eb5f302SLaurent Pinchart * match real hardware capabilities. Skip the check in that 28437eb5f302SLaurent Pinchart * case. 28447eb5f302SLaurent Pinchart */ 28457eb5f302SLaurent Pinchart if (!crtc->primary->format_default) { 28467eb5f302SLaurent Pinchart ret = drm_plane_check_pixel_format(crtc->primary, 28477eb5f302SLaurent Pinchart fb->pixel_format); 28487eb5f302SLaurent Pinchart if (ret) { 28497eb5f302SLaurent Pinchart DRM_DEBUG_KMS("Invalid pixel format %s\n", 28507eb5f302SLaurent Pinchart drm_get_format_name(fb->pixel_format)); 28517eb5f302SLaurent Pinchart goto out; 28527eb5f302SLaurent Pinchart } 28537eb5f302SLaurent Pinchart } 28547eb5f302SLaurent Pinchart 2855c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2856c11e9283SDamien Lespiau mode, fb); 2857c11e9283SDamien Lespiau if (ret) 28585f61bb42SVille Syrjälä goto out; 2859c11e9283SDamien Lespiau 2860f453ba04SDave Airlie } 2861f453ba04SDave Airlie 2862f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 286358367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2864f453ba04SDave Airlie ret = -EINVAL; 2865f453ba04SDave Airlie goto out; 2866f453ba04SDave Airlie } 2867f453ba04SDave Airlie 28687781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 286958367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2870f453ba04SDave Airlie crtc_req->count_connectors); 2871f453ba04SDave Airlie ret = -EINVAL; 2872f453ba04SDave Airlie goto out; 2873f453ba04SDave Airlie } 2874f453ba04SDave Airlie 2875f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2876f453ba04SDave Airlie u32 out_id; 2877f453ba04SDave Airlie 2878f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2879f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2880f453ba04SDave Airlie ret = -EINVAL; 2881f453ba04SDave Airlie goto out; 2882f453ba04SDave Airlie } 2883f453ba04SDave Airlie 28842f6c5389SThierry Reding connector_set = kmalloc_array(crtc_req->count_connectors, 2885f453ba04SDave Airlie sizeof(struct drm_connector *), 2886f453ba04SDave Airlie GFP_KERNEL); 2887f453ba04SDave Airlie if (!connector_set) { 2888f453ba04SDave Airlie ret = -ENOMEM; 2889f453ba04SDave Airlie goto out; 2890f453ba04SDave Airlie } 2891f453ba04SDave Airlie 2892f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 289381f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2894f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2895f453ba04SDave Airlie ret = -EFAULT; 2896f453ba04SDave Airlie goto out; 2897f453ba04SDave Airlie } 2898f453ba04SDave Airlie 2899a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2900a2b34e22SRob Clark if (!connector) { 290158367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 290258367ed6SZhao Yakui out_id); 2903f27657f2SVille Syrjälä ret = -ENOENT; 2904f453ba04SDave Airlie goto out; 2905f453ba04SDave Airlie } 29069440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 29079440106bSJerome Glisse connector->base.id, 290825933820SJani Nikula connector->name); 2909f453ba04SDave Airlie 2910f453ba04SDave Airlie connector_set[i] = connector; 2911f453ba04SDave Airlie } 2912f453ba04SDave Airlie } 2913f453ba04SDave Airlie 2914f453ba04SDave Airlie set.crtc = crtc; 2915f453ba04SDave Airlie set.x = crtc_req->x; 2916f453ba04SDave Airlie set.y = crtc_req->y; 2917f453ba04SDave Airlie set.mode = mode; 2918f453ba04SDave Airlie set.connectors = connector_set; 2919f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2920f453ba04SDave Airlie set.fb = fb; 29212d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2922f453ba04SDave Airlie 2923f453ba04SDave Airlie out: 2924b0d12325SDaniel Vetter if (fb) 2925b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2926b0d12325SDaniel Vetter 2927f453ba04SDave Airlie kfree(connector_set); 2928ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 292984849903SDaniel Vetter drm_modeset_unlock_all(dev); 2930f453ba04SDave Airlie return ret; 2931f453ba04SDave Airlie } 2932f453ba04SDave Airlie 2933161d0dc1SMatt Roper /** 2934161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2935161d0dc1SMatt Roper * universal plane handler call 2936161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2937161d0dc1SMatt Roper * @req: data pointer for the ioctl 2938161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2939161d0dc1SMatt Roper * 2940161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2941161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2942161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2943161d0dc1SMatt Roper * 2944161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2945161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2946161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2947161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2948161d0dc1SMatt Roper * 2949161d0dc1SMatt Roper * Returns: 29501a498633SDaniel Vetter * Zero on success, negative errno on failure. 2951161d0dc1SMatt Roper */ 2952161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2953161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2954161d0dc1SMatt Roper struct drm_file *file_priv) 2955161d0dc1SMatt Roper { 2956161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2957161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2958161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2959161d0dc1SMatt Roper .width = req->width, 2960161d0dc1SMatt Roper .height = req->height, 2961161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2962161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2963161d0dc1SMatt Roper .handles = { req->handle }, 2964161d0dc1SMatt Roper }; 2965161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2966161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2967161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2968161d0dc1SMatt Roper int ret = 0; 2969161d0dc1SMatt Roper 2970161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2971f2b50c11SDaniel Vetter WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); 2972161d0dc1SMatt Roper 2973161d0dc1SMatt Roper /* 2974161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2975161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2976161d0dc1SMatt Roper * the reference if the plane update fails. 2977161d0dc1SMatt Roper */ 2978161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2979161d0dc1SMatt Roper if (req->handle) { 29809a6f5130SChris Wilson fb = internal_framebuffer_create(dev, &fbreq, file_priv); 2981161d0dc1SMatt Roper if (IS_ERR(fb)) { 2982161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2983161d0dc1SMatt Roper return PTR_ERR(fb); 2984161d0dc1SMatt Roper } 2985161d0dc1SMatt Roper } else { 2986161d0dc1SMatt Roper fb = NULL; 2987161d0dc1SMatt Roper } 2988161d0dc1SMatt Roper } else { 2989161d0dc1SMatt Roper fb = crtc->cursor->fb; 2990161d0dc1SMatt Roper if (fb) 2991161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2992161d0dc1SMatt Roper } 2993161d0dc1SMatt Roper 2994161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2995161d0dc1SMatt Roper crtc_x = req->x; 2996161d0dc1SMatt Roper crtc_y = req->y; 2997161d0dc1SMatt Roper } else { 2998161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2999161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 3000161d0dc1SMatt Roper } 3001161d0dc1SMatt Roper 3002161d0dc1SMatt Roper if (fb) { 3003161d0dc1SMatt Roper crtc_w = fb->width; 3004161d0dc1SMatt Roper crtc_h = fb->height; 3005161d0dc1SMatt Roper src_w = fb->width << 16; 3006161d0dc1SMatt Roper src_h = fb->height << 16; 3007161d0dc1SMatt Roper } 3008161d0dc1SMatt Roper 3009161d0dc1SMatt Roper /* 3010161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 3011161d0dc1SMatt Roper * framebuffer depending on success. 3012161d0dc1SMatt Roper */ 3013f2b50c11SDaniel Vetter ret = __setplane_internal(crtc->cursor, crtc, fb, 3014161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 3015161d0dc1SMatt Roper 0, 0, src_w, src_h); 3016161d0dc1SMatt Roper 3017161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 3018161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 3019161d0dc1SMatt Roper crtc->cursor_x = req->x; 3020161d0dc1SMatt Roper crtc->cursor_y = req->y; 3021161d0dc1SMatt Roper } 3022161d0dc1SMatt Roper 3023161d0dc1SMatt Roper return ret; 3024161d0dc1SMatt Roper } 3025161d0dc1SMatt Roper 30264c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 30274c813d4dSDave Airlie struct drm_mode_cursor2 *req, 30284c813d4dSDave Airlie struct drm_file *file_priv) 3029f453ba04SDave Airlie { 3030f453ba04SDave Airlie struct drm_crtc *crtc; 3031f453ba04SDave Airlie int ret = 0; 3032f453ba04SDave Airlie 3033fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3034fb3b06c8SDave Airlie return -EINVAL; 3035fb3b06c8SDave Airlie 30367c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 3037f453ba04SDave Airlie return -EINVAL; 3038f453ba04SDave Airlie 3039a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 3040a2b34e22SRob Clark if (!crtc) { 304158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 3042f27657f2SVille Syrjälä return -ENOENT; 3043f453ba04SDave Airlie } 3044f453ba04SDave Airlie 3045161d0dc1SMatt Roper /* 3046161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 3047161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 3048161d0dc1SMatt Roper */ 30494d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->cursor); 3050f2b50c11SDaniel Vetter if (crtc->cursor) { 3051f2b50c11SDaniel Vetter ret = drm_mode_cursor_universal(crtc, req, file_priv); 3052f2b50c11SDaniel Vetter goto out; 3053f2b50c11SDaniel Vetter } 3054f2b50c11SDaniel Vetter 3055f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 30564c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 3057f453ba04SDave Airlie ret = -ENXIO; 3058f453ba04SDave Airlie goto out; 3059f453ba04SDave Airlie } 3060f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 30614c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 30624c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 30634c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 30644c813d4dSDave Airlie else 3065f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 3066f453ba04SDave Airlie req->width, req->height); 3067f453ba04SDave Airlie } 3068f453ba04SDave Airlie 3069f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 3070f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 3071f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 3072f453ba04SDave Airlie } else { 3073f453ba04SDave Airlie ret = -EFAULT; 3074f453ba04SDave Airlie goto out; 3075f453ba04SDave Airlie } 3076f453ba04SDave Airlie } 3077f453ba04SDave Airlie out: 3078d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 3079dac35663SDaniel Vetter 3080f453ba04SDave Airlie return ret; 30814c813d4dSDave Airlie 30824c813d4dSDave Airlie } 3083c8e32cc1SDaniel Vetter 3084c8e32cc1SDaniel Vetter 3085c8e32cc1SDaniel Vetter /** 3086c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 3087c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3088c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3089c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3090c8e32cc1SDaniel Vetter * 3091c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 3092c8e32cc1SDaniel Vetter * 3093c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3094c8e32cc1SDaniel Vetter * 3095c8e32cc1SDaniel Vetter * Returns: 30961a498633SDaniel Vetter * Zero on success, negative errno on failure. 3097c8e32cc1SDaniel Vetter */ 30984c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 30994c813d4dSDave Airlie void *data, struct drm_file *file_priv) 31004c813d4dSDave Airlie { 31014c813d4dSDave Airlie struct drm_mode_cursor *req = data; 31024c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 31034c813d4dSDave Airlie 31044c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 31054c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 31064c813d4dSDave Airlie 31074c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 31084c813d4dSDave Airlie } 31094c813d4dSDave Airlie 3110c8e32cc1SDaniel Vetter /** 3111c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 3112c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3113c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3114c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3115c8e32cc1SDaniel Vetter * 3116c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 3117c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 3118c8e32cc1SDaniel Vetter * the hotspot of the pointer. 3119c8e32cc1SDaniel Vetter * 3120c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3121c8e32cc1SDaniel Vetter * 3122c8e32cc1SDaniel Vetter * Returns: 31231a498633SDaniel Vetter * Zero on success, negative errno on failure. 3124c8e32cc1SDaniel Vetter */ 31254c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 31264c813d4dSDave Airlie void *data, struct drm_file *file_priv) 31274c813d4dSDave Airlie { 31284c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 31294dfd909fSThierry Reding 31304c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 3131f453ba04SDave Airlie } 3132f453ba04SDave Airlie 3133c8e32cc1SDaniel Vetter /** 3134c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 3135c8e32cc1SDaniel Vetter * @bpp: bits per pixels 3136c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 3137c8e32cc1SDaniel Vetter * 3138c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 3139c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 3140c8e32cc1SDaniel Vetter */ 3141308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 3142308e5bcbSJesse Barnes { 3143308e5bcbSJesse Barnes uint32_t fmt; 3144308e5bcbSJesse Barnes 3145308e5bcbSJesse Barnes switch (bpp) { 3146308e5bcbSJesse Barnes case 8: 3147d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 3148308e5bcbSJesse Barnes break; 3149308e5bcbSJesse Barnes case 16: 3150308e5bcbSJesse Barnes if (depth == 15) 315104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 3152308e5bcbSJesse Barnes else 315304b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 3154308e5bcbSJesse Barnes break; 3155308e5bcbSJesse Barnes case 24: 315604b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 3157308e5bcbSJesse Barnes break; 3158308e5bcbSJesse Barnes case 32: 3159308e5bcbSJesse Barnes if (depth == 24) 316004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3161308e5bcbSJesse Barnes else if (depth == 30) 316204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 3163308e5bcbSJesse Barnes else 316404b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 3165308e5bcbSJesse Barnes break; 3166308e5bcbSJesse Barnes default: 316704b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 316804b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3169308e5bcbSJesse Barnes break; 3170308e5bcbSJesse Barnes } 3171308e5bcbSJesse Barnes 3172308e5bcbSJesse Barnes return fmt; 3173308e5bcbSJesse Barnes } 3174308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 3175308e5bcbSJesse Barnes 3176f453ba04SDave Airlie /** 3177f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 3178065a50edSDaniel Vetter * @dev: drm device for the ioctl 3179065a50edSDaniel Vetter * @data: data pointer for the ioctl 3180065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3181f453ba04SDave Airlie * 3182c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 3183209f5527SChuck Ebbert * original addfb ioctl which only supported RGB formats. 3184f453ba04SDave Airlie * 3185f453ba04SDave Airlie * Called by the user via ioctl. 3186f453ba04SDave Airlie * 3187c8e32cc1SDaniel Vetter * Returns: 31881a498633SDaniel Vetter * Zero on success, negative errno on failure. 3189f453ba04SDave Airlie */ 3190f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 3191f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3192f453ba04SDave Airlie { 3193308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 3194308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 3195228f2cb3SChuck Ebbert int ret; 3196308e5bcbSJesse Barnes 3197228f2cb3SChuck Ebbert /* convert to new format and call new ioctl */ 3198308e5bcbSJesse Barnes r.fb_id = or->fb_id; 3199308e5bcbSJesse Barnes r.width = or->width; 3200308e5bcbSJesse Barnes r.height = or->height; 3201308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 3202308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 3203308e5bcbSJesse Barnes r.handles[0] = or->handle; 3204308e5bcbSJesse Barnes 3205228f2cb3SChuck Ebbert ret = drm_mode_addfb2(dev, &r, file_priv); 3206228f2cb3SChuck Ebbert if (ret) 3207228f2cb3SChuck Ebbert return ret; 3208308e5bcbSJesse Barnes 3209228f2cb3SChuck Ebbert or->fb_id = r.fb_id; 32104b096ac1SDaniel Vetter 3211baf698b0SDaniel Vetter return 0; 3212308e5bcbSJesse Barnes } 3213308e5bcbSJesse Barnes 3214cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 3215935b5977SVille Syrjälä { 3216935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 3217935b5977SVille Syrjälä 3218935b5977SVille Syrjälä switch (format) { 3219935b5977SVille Syrjälä case DRM_FORMAT_C8: 3220935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 3221935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 3222935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 3223935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 3224935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 3225935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 3226935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 3227935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 3228935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 3229935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 3230935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 3231935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 3232935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3233935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3234935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3235935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3236935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3237935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3238935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3239935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3240935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3241935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3242935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3243935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3244935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3245935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3246935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3247935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3248935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3249935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3250935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3251935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3252935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3253935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3254935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3255935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3256935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3257935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3258935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3259935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3260935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3261935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3262935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3263935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3264935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3265935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3266935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3267ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3268ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3269935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3270935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3271935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3272935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3273935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3274935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3275935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3276935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3277935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3278935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3279935b5977SVille Syrjälä return 0; 3280935b5977SVille Syrjälä default: 328123c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 328223c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3283935b5977SVille Syrjälä return -EINVAL; 3284935b5977SVille Syrjälä } 3285935b5977SVille Syrjälä } 3286935b5977SVille Syrjälä 3287cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3288d1b45d5fSVille Syrjälä { 3289d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3290d1b45d5fSVille Syrjälä 3291d1b45d5fSVille Syrjälä ret = format_check(r); 3292d1b45d5fSVille Syrjälä if (ret) { 32936ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 32946ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3295d1b45d5fSVille Syrjälä return ret; 3296d1b45d5fSVille Syrjälä } 3297d1b45d5fSVille Syrjälä 3298d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3299d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3300d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3301d1b45d5fSVille Syrjälä 3302d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 3303209f5527SChuck Ebbert DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); 3304d1b45d5fSVille Syrjälä return -EINVAL; 3305d1b45d5fSVille Syrjälä } 3306d1b45d5fSVille Syrjälä 3307d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 33081aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3309d1b45d5fSVille Syrjälä return -EINVAL; 3310d1b45d5fSVille Syrjälä } 3311d1b45d5fSVille Syrjälä 3312d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3313d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3314b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3315b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3316d1b45d5fSVille Syrjälä 3317d1b45d5fSVille Syrjälä if (!r->handles[i]) { 33181aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3319d1b45d5fSVille Syrjälä return -EINVAL; 3320d1b45d5fSVille Syrjälä } 3321d1b45d5fSVille Syrjälä 3322b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3323b180b5d1SVille Syrjälä return -ERANGE; 3324b180b5d1SVille Syrjälä 3325b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3326b180b5d1SVille Syrjälä return -ERANGE; 3327b180b5d1SVille Syrjälä 3328b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 33291aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3330d1b45d5fSVille Syrjälä return -EINVAL; 3331d1b45d5fSVille Syrjälä } 3332e3eb3250SRob Clark 3333e3eb3250SRob Clark if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { 3334e3eb3250SRob Clark DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", 3335e3eb3250SRob Clark r->modifier[i], i); 3336e3eb3250SRob Clark return -EINVAL; 3337e3eb3250SRob Clark } 3338570655b0SRob Clark 3339570655b0SRob Clark /* modifier specific checks: */ 3340570655b0SRob Clark switch (r->modifier[i]) { 3341570655b0SRob Clark case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE: 3342570655b0SRob Clark /* NOTE: the pitch restriction may be lifted later if it turns 3343570655b0SRob Clark * out that no hw has this restriction: 3344570655b0SRob Clark */ 3345570655b0SRob Clark if (r->pixel_format != DRM_FORMAT_NV12 || 3346570655b0SRob Clark width % 128 || height % 32 || 3347570655b0SRob Clark r->pitches[i] % 128) { 3348570655b0SRob Clark DRM_DEBUG_KMS("bad modifier data for plane %d\n", i); 3349570655b0SRob Clark return -EINVAL; 3350570655b0SRob Clark } 3351570655b0SRob Clark break; 3352570655b0SRob Clark 3353570655b0SRob Clark default: 3354570655b0SRob Clark break; 3355570655b0SRob Clark } 3356d1b45d5fSVille Syrjälä } 3357d1b45d5fSVille Syrjälä 3358bbe16a40SDaniel Vetter for (i = num_planes; i < 4; i++) { 3359bbe16a40SDaniel Vetter if (r->modifier[i]) { 3360bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero modifier for unused plane %d\n", i); 3361bbe16a40SDaniel Vetter return -EINVAL; 3362bbe16a40SDaniel Vetter } 3363bbe16a40SDaniel Vetter 3364bbe16a40SDaniel Vetter /* Pre-FB_MODIFIERS userspace didn't clear the structs properly. */ 3365bbe16a40SDaniel Vetter if (!(r->flags & DRM_MODE_FB_MODIFIERS)) 3366bbe16a40SDaniel Vetter continue; 3367bbe16a40SDaniel Vetter 3368bbe16a40SDaniel Vetter if (r->handles[i]) { 3369bbe16a40SDaniel Vetter DRM_DEBUG_KMS("buffer object handle for unused plane %d\n", i); 3370bbe16a40SDaniel Vetter return -EINVAL; 3371bbe16a40SDaniel Vetter } 3372bbe16a40SDaniel Vetter 3373bbe16a40SDaniel Vetter if (r->pitches[i]) { 3374bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero pitch for unused plane %d\n", i); 3375bbe16a40SDaniel Vetter return -EINVAL; 3376bbe16a40SDaniel Vetter } 3377bbe16a40SDaniel Vetter 3378bbe16a40SDaniel Vetter if (r->offsets[i]) { 3379bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero offset for unused plane %d\n", i); 3380bbe16a40SDaniel Vetter return -EINVAL; 3381bbe16a40SDaniel Vetter } 3382bbe16a40SDaniel Vetter } 3383bbe16a40SDaniel Vetter 3384d1b45d5fSVille Syrjälä return 0; 3385d1b45d5fSVille Syrjälä } 3386d1b45d5fSVille Syrjälä 33879a6f5130SChris Wilson static struct drm_framebuffer * 33889a6f5130SChris Wilson internal_framebuffer_create(struct drm_device *dev, 33891eb83451SVille Syrjälä const struct drm_mode_fb_cmd2 *r, 3390c394c2b0SMatt Roper struct drm_file *file_priv) 3391c394c2b0SMatt Roper { 3392c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3393c394c2b0SMatt Roper struct drm_framebuffer *fb; 3394c394c2b0SMatt Roper int ret; 3395c394c2b0SMatt Roper 3396e3eb3250SRob Clark if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { 3397c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3398c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3399c394c2b0SMatt Roper } 3400c394c2b0SMatt Roper 3401c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3402c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3403c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3404c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3405c394c2b0SMatt Roper } 3406c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3407c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3408c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3409c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3410c394c2b0SMatt Roper } 3411c394c2b0SMatt Roper 3412e3eb3250SRob Clark if (r->flags & DRM_MODE_FB_MODIFIERS && 3413e3eb3250SRob Clark !dev->mode_config.allow_fb_modifiers) { 3414e3eb3250SRob Clark DRM_DEBUG_KMS("driver does not support fb modifiers\n"); 3415e3eb3250SRob Clark return ERR_PTR(-EINVAL); 3416e3eb3250SRob Clark } 3417e3eb3250SRob Clark 3418c394c2b0SMatt Roper ret = framebuffer_check(r); 3419c394c2b0SMatt Roper if (ret) 3420c394c2b0SMatt Roper return ERR_PTR(ret); 3421c394c2b0SMatt Roper 3422c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3423c394c2b0SMatt Roper if (IS_ERR(fb)) { 3424c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3425c394c2b0SMatt Roper return fb; 3426c394c2b0SMatt Roper } 3427c394c2b0SMatt Roper 3428c394c2b0SMatt Roper return fb; 3429c394c2b0SMatt Roper } 3430c394c2b0SMatt Roper 3431308e5bcbSJesse Barnes /** 3432308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3433065a50edSDaniel Vetter * @dev: drm device for the ioctl 3434065a50edSDaniel Vetter * @data: data pointer for the ioctl 3435065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3436308e5bcbSJesse Barnes * 3437c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3438c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3439c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3440308e5bcbSJesse Barnes * 3441308e5bcbSJesse Barnes * Called by the user via ioctl. 3442308e5bcbSJesse Barnes * 3443c8e32cc1SDaniel Vetter * Returns: 34441a498633SDaniel Vetter * Zero on success, negative errno on failure. 3445308e5bcbSJesse Barnes */ 3446308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3447308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3448308e5bcbSJesse Barnes { 34499a6f5130SChris Wilson struct drm_mode_fb_cmd2 *r = data; 3450f453ba04SDave Airlie struct drm_framebuffer *fb; 3451f453ba04SDave Airlie 3452fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3453fb3b06c8SDave Airlie return -EINVAL; 3454fb3b06c8SDave Airlie 34559a6f5130SChris Wilson fb = internal_framebuffer_create(dev, r, file_priv); 3456c394c2b0SMatt Roper if (IS_ERR(fb)) 34574b096ac1SDaniel Vetter return PTR_ERR(fb); 3458f453ba04SDave Airlie 34599a6f5130SChris Wilson /* Transfer ownership to the filp for reaping on close */ 34609a6f5130SChris Wilson 34619a6f5130SChris Wilson DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 34629a6f5130SChris Wilson mutex_lock(&file_priv->fbs_lock); 34639a6f5130SChris Wilson r->fb_id = fb->base.id; 34649a6f5130SChris Wilson list_add(&fb->filp_head, &file_priv->fbs); 34659a6f5130SChris Wilson mutex_unlock(&file_priv->fbs_lock); 34669a6f5130SChris Wilson 3467c394c2b0SMatt Roper return 0; 3468f453ba04SDave Airlie } 3469f453ba04SDave Airlie 3470f453ba04SDave Airlie /** 3471f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3472065a50edSDaniel Vetter * @dev: drm device for the ioctl 3473065a50edSDaniel Vetter * @data: data pointer for the ioctl 3474065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3475f453ba04SDave Airlie * 3476f453ba04SDave Airlie * Remove the FB specified by the user. 3477f453ba04SDave Airlie * 3478f453ba04SDave Airlie * Called by the user via ioctl. 3479f453ba04SDave Airlie * 3480c8e32cc1SDaniel Vetter * Returns: 34811a498633SDaniel Vetter * Zero on success, negative errno on failure. 3482f453ba04SDave Airlie */ 3483f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3484f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3485f453ba04SDave Airlie { 3486f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3487f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3488f453ba04SDave Airlie uint32_t *id = data; 3489f453ba04SDave Airlie int found = 0; 3490f453ba04SDave Airlie 3491fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3492fb3b06c8SDave Airlie return -EINVAL; 3493fb3b06c8SDave Airlie 34944b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 34952b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 34962b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 34972b677e8cSDaniel Vetter if (!fb) 34982b677e8cSDaniel Vetter goto fail_lookup; 34992b677e8cSDaniel Vetter 3500f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3501f453ba04SDave Airlie if (fb == fbl) 3502f453ba04SDave Airlie found = 1; 35032b677e8cSDaniel Vetter if (!found) 35042b677e8cSDaniel Vetter goto fail_lookup; 35052b677e8cSDaniel Vetter 35064b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 35072b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 35084b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3509f453ba04SDave Airlie 351013803132SMaarten Lankhorst drm_framebuffer_unreference(fb); 35114b096ac1SDaniel Vetter 35122b677e8cSDaniel Vetter return 0; 35132b677e8cSDaniel Vetter 35142b677e8cSDaniel Vetter fail_lookup: 35152b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 35162b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 35172b677e8cSDaniel Vetter 351837c4e705SVille Syrjälä return -ENOENT; 3519f453ba04SDave Airlie } 3520f453ba04SDave Airlie 3521f453ba04SDave Airlie /** 3522f453ba04SDave Airlie * drm_mode_getfb - get FB info 3523065a50edSDaniel Vetter * @dev: drm device for the ioctl 3524065a50edSDaniel Vetter * @data: data pointer for the ioctl 3525065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3526f453ba04SDave Airlie * 3527f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3528f453ba04SDave Airlie * 3529f453ba04SDave Airlie * Called by the user via ioctl. 3530f453ba04SDave Airlie * 3531c8e32cc1SDaniel Vetter * Returns: 35321a498633SDaniel Vetter * Zero on success, negative errno on failure. 3533f453ba04SDave Airlie */ 3534f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3535f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3536f453ba04SDave Airlie { 3537f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3538f453ba04SDave Airlie struct drm_framebuffer *fb; 353958c0dca1SDaniel Vetter int ret; 3540f453ba04SDave Airlie 3541fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3542fb3b06c8SDave Airlie return -EINVAL; 3543fb3b06c8SDave Airlie 3544786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 354558c0dca1SDaniel Vetter if (!fb) 354637c4e705SVille Syrjälä return -ENOENT; 3547f453ba04SDave Airlie 3548f453ba04SDave Airlie r->height = fb->height; 3549f453ba04SDave Airlie r->width = fb->width; 3550f453ba04SDave Airlie r->depth = fb->depth; 3551f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 355201f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3553101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 355409f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 355543683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3556101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3557101b96f3SDavid Herrmann &r->handle); 3558101b96f3SDavid Herrmann } else { 3559101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3560101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3561101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3562101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3563101b96f3SDavid Herrmann * for non-masters. */ 3564101b96f3SDavid Herrmann r->handle = 0; 3565101b96f3SDavid Herrmann ret = 0; 3566101b96f3SDavid Herrmann } 3567101b96f3SDavid Herrmann } else { 3568af26ef3bSDaniel Vetter ret = -ENODEV; 3569101b96f3SDavid Herrmann } 3570f453ba04SDave Airlie 357158c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 357258c0dca1SDaniel Vetter 3573f453ba04SDave Airlie return ret; 3574f453ba04SDave Airlie } 3575f453ba04SDave Airlie 3576c8e32cc1SDaniel Vetter /** 3577c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3578c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3579c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3580c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3581c8e32cc1SDaniel Vetter * 3582c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3583c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3584c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3585c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3586c8e32cc1SDaniel Vetter * 3587c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3588c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3589c8e32cc1SDaniel Vetter * 3590c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3591c8e32cc1SDaniel Vetter * 3592c8e32cc1SDaniel Vetter * Returns: 35931a498633SDaniel Vetter * Zero on success, negative errno on failure. 3594c8e32cc1SDaniel Vetter */ 3595884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3596884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3597884840aaSJakob Bornecrantz { 3598884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3599884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3600884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3601884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3602884840aaSJakob Bornecrantz unsigned flags; 3603884840aaSJakob Bornecrantz int num_clips; 36044a1b0714SLaurent Pinchart int ret; 3605884840aaSJakob Bornecrantz 3606fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3607fb3b06c8SDave Airlie return -EINVAL; 3608fb3b06c8SDave Airlie 3609786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 36104ccf097fSDaniel Vetter if (!fb) 361137c4e705SVille Syrjälä return -ENOENT; 3612884840aaSJakob Bornecrantz 3613884840aaSJakob Bornecrantz num_clips = r->num_clips; 361481f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3615884840aaSJakob Bornecrantz 3616884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3617884840aaSJakob Bornecrantz ret = -EINVAL; 3618884840aaSJakob Bornecrantz goto out_err1; 3619884840aaSJakob Bornecrantz } 3620884840aaSJakob Bornecrantz 3621884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3622884840aaSJakob Bornecrantz 3623884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3624884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3625884840aaSJakob Bornecrantz ret = -EINVAL; 3626884840aaSJakob Bornecrantz goto out_err1; 3627884840aaSJakob Bornecrantz } 3628884840aaSJakob Bornecrantz 3629884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3630a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3631a5cd3351SXi Wang ret = -EINVAL; 3632a5cd3351SXi Wang goto out_err1; 3633a5cd3351SXi Wang } 3634bd3f0ff9SThierry Reding clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 3635884840aaSJakob Bornecrantz if (!clips) { 3636884840aaSJakob Bornecrantz ret = -ENOMEM; 3637884840aaSJakob Bornecrantz goto out_err1; 3638884840aaSJakob Bornecrantz } 3639884840aaSJakob Bornecrantz 3640884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3641884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3642e902a358SDan Carpenter if (ret) { 3643e902a358SDan Carpenter ret = -EFAULT; 3644884840aaSJakob Bornecrantz goto out_err2; 3645884840aaSJakob Bornecrantz } 3646e902a358SDan Carpenter } 3647884840aaSJakob Bornecrantz 3648884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 364902b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 365002b00162SThomas Hellstrom clips, num_clips); 3651884840aaSJakob Bornecrantz } else { 3652884840aaSJakob Bornecrantz ret = -ENOSYS; 3653884840aaSJakob Bornecrantz } 3654884840aaSJakob Bornecrantz 3655884840aaSJakob Bornecrantz out_err2: 3656884840aaSJakob Bornecrantz kfree(clips); 3657884840aaSJakob Bornecrantz out_err1: 36584ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 36594ccf097fSDaniel Vetter 3660884840aaSJakob Bornecrantz return ret; 3661884840aaSJakob Bornecrantz } 3662884840aaSJakob Bornecrantz 3663884840aaSJakob Bornecrantz 3664f453ba04SDave Airlie /** 3665f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3666065a50edSDaniel Vetter * @priv: drm file for the ioctl 3667f453ba04SDave Airlie * 3668f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3669f453ba04SDave Airlie * 3670f453ba04SDave Airlie * Called by the user via ioctl. 3671f453ba04SDave Airlie * 3672c8e32cc1SDaniel Vetter * Returns: 36731a498633SDaniel Vetter * Zero on success, negative errno on failure. 3674f453ba04SDave Airlie */ 3675ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3676f453ba04SDave Airlie { 3677f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3678f453ba04SDave Airlie 36791b116297SDaniel Vetter /* 36801b116297SDaniel Vetter * When the file gets released that means no one else can access the fb 3681e2db726bSMartin Peres * list any more, so no need to grab fpriv->fbs_lock. And we need to 36821b116297SDaniel Vetter * avoid upsetting lockdep since the universal cursor code adds a 36831b116297SDaniel Vetter * framebuffer while holding mutex locks. 36841b116297SDaniel Vetter * 36851b116297SDaniel Vetter * Note that a real deadlock between fpriv->fbs_lock and the modeset 36861b116297SDaniel Vetter * locks is impossible here since no one else but this function can get 36871b116297SDaniel Vetter * at it any more. 36881b116297SDaniel Vetter */ 3689f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 36904b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 36912b677e8cSDaniel Vetter 369273f7570bSMaarten Lankhorst /* This drops the fpriv->fbs reference. */ 369313803132SMaarten Lankhorst drm_framebuffer_unreference(fb); 3694f453ba04SDave Airlie } 3695f453ba04SDave Airlie } 3696f453ba04SDave Airlie 3697c8e32cc1SDaniel Vetter /** 3698c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3699c8e32cc1SDaniel Vetter * @dev: drm device 3700c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3701c8e32cc1SDaniel Vetter * @name: name of the property 3702c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3703c8e32cc1SDaniel Vetter * 3704c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3705c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3706c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3707c8e32cc1SDaniel Vetter * 37083b5b9932SDamien Lespiau * Note that the DRM core keeps a per-device list of properties and that, if 37093b5b9932SDamien Lespiau * drm_mode_config_cleanup() is called, it will destroy all properties created 37103b5b9932SDamien Lespiau * by the driver. 37113b5b9932SDamien Lespiau * 3712c8e32cc1SDaniel Vetter * Returns: 3713c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3714c8e32cc1SDaniel Vetter */ 3715f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3716f453ba04SDave Airlie const char *name, int num_values) 3717f453ba04SDave Airlie { 3718f453ba04SDave Airlie struct drm_property *property = NULL; 37196bfc56aaSVille Syrjälä int ret; 3720f453ba04SDave Airlie 3721f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3722f453ba04SDave Airlie if (!property) 3723f453ba04SDave Airlie return NULL; 3724f453ba04SDave Airlie 372598f75de4SRob Clark property->dev = dev; 372698f75de4SRob Clark 3727f453ba04SDave Airlie if (num_values) { 3728bd3f0ff9SThierry Reding property->values = kcalloc(num_values, sizeof(uint64_t), 3729bd3f0ff9SThierry Reding GFP_KERNEL); 3730f453ba04SDave Airlie if (!property->values) 3731f453ba04SDave Airlie goto fail; 3732f453ba04SDave Airlie } 3733f453ba04SDave Airlie 37346bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 37356bfc56aaSVille Syrjälä if (ret) 37366bfc56aaSVille Syrjälä goto fail; 37376bfc56aaSVille Syrjälä 3738f453ba04SDave Airlie property->flags = flags; 3739f453ba04SDave Airlie property->num_values = num_values; 37403758b341SDaniel Vetter INIT_LIST_HEAD(&property->enum_list); 3741f453ba04SDave Airlie 3742471dd2efSVinson Lee if (name) { 3743f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3744471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3745471dd2efSVinson Lee } 3746f453ba04SDave Airlie 3747f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 37485ea22f24SRob Clark 37495ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 37505ea22f24SRob Clark 3751f453ba04SDave Airlie return property; 3752f453ba04SDave Airlie fail: 37536bfc56aaSVille Syrjälä kfree(property->values); 3754f453ba04SDave Airlie kfree(property); 3755f453ba04SDave Airlie return NULL; 3756f453ba04SDave Airlie } 3757f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3758f453ba04SDave Airlie 3759c8e32cc1SDaniel Vetter /** 37602aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3761c8e32cc1SDaniel Vetter * @dev: drm device 3762c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3763c8e32cc1SDaniel Vetter * @name: name of the property 3764c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3765c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3766c8e32cc1SDaniel Vetter * 3767c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3768c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3769c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3770c8e32cc1SDaniel Vetter * 3771c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3772c8e32cc1SDaniel Vetter * properties. 3773c8e32cc1SDaniel Vetter * 3774c8e32cc1SDaniel Vetter * Returns: 3775c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3776c8e32cc1SDaniel Vetter */ 37774a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 37784a67d391SSascha Hauer const char *name, 37794a67d391SSascha Hauer const struct drm_prop_enum_list *props, 37804a67d391SSascha Hauer int num_values) 37814a67d391SSascha Hauer { 37824a67d391SSascha Hauer struct drm_property *property; 37834a67d391SSascha Hauer int i, ret; 37844a67d391SSascha Hauer 37854a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 37864a67d391SSascha Hauer 37874a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 37884a67d391SSascha Hauer if (!property) 37894a67d391SSascha Hauer return NULL; 37904a67d391SSascha Hauer 37914a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 37924a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 37934a67d391SSascha Hauer props[i].type, 37944a67d391SSascha Hauer props[i].name); 37954a67d391SSascha Hauer if (ret) { 37964a67d391SSascha Hauer drm_property_destroy(dev, property); 37974a67d391SSascha Hauer return NULL; 37984a67d391SSascha Hauer } 37994a67d391SSascha Hauer } 38004a67d391SSascha Hauer 38014a67d391SSascha Hauer return property; 38024a67d391SSascha Hauer } 38034a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 38044a67d391SSascha Hauer 3805c8e32cc1SDaniel Vetter /** 38062aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3807c8e32cc1SDaniel Vetter * @dev: drm device 3808c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3809c8e32cc1SDaniel Vetter * @name: name of the property 3810c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3811295ee853SDaniel Vetter * @num_props: size of the @props array 3812295ee853SDaniel Vetter * @supported_bits: bitmask of all supported enumeration values 3813c8e32cc1SDaniel Vetter * 3814295ee853SDaniel Vetter * This creates a new bitmask drm property which can then be attached to a drm 3815c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3816c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3817c8e32cc1SDaniel Vetter * 3818c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3819c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3820c8e32cc1SDaniel Vetter * 3821c8e32cc1SDaniel Vetter * Returns: 3822c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3823c8e32cc1SDaniel Vetter */ 382449e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 382549e27545SRob Clark int flags, const char *name, 382649e27545SRob Clark const struct drm_prop_enum_list *props, 38277689ffb3SVille Syrjälä int num_props, 38287689ffb3SVille Syrjälä uint64_t supported_bits) 382949e27545SRob Clark { 383049e27545SRob Clark struct drm_property *property; 38317689ffb3SVille Syrjälä int i, ret, index = 0; 38327689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 383349e27545SRob Clark 383449e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 383549e27545SRob Clark 383649e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 383749e27545SRob Clark if (!property) 383849e27545SRob Clark return NULL; 38397689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 38407689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 38417689ffb3SVille Syrjälä continue; 384249e27545SRob Clark 38437689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 38447689ffb3SVille Syrjälä drm_property_destroy(dev, property); 38457689ffb3SVille Syrjälä return NULL; 38467689ffb3SVille Syrjälä } 38477689ffb3SVille Syrjälä 38487689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 384949e27545SRob Clark props[i].type, 385049e27545SRob Clark props[i].name); 385149e27545SRob Clark if (ret) { 385249e27545SRob Clark drm_property_destroy(dev, property); 385349e27545SRob Clark return NULL; 385449e27545SRob Clark } 385549e27545SRob Clark } 385649e27545SRob Clark 385749e27545SRob Clark return property; 385849e27545SRob Clark } 385949e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 386049e27545SRob Clark 3861ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3862ebc44cf3SRob Clark int flags, const char *name, 3863ebc44cf3SRob Clark uint64_t min, uint64_t max) 3864ebc44cf3SRob Clark { 3865ebc44cf3SRob Clark struct drm_property *property; 3866ebc44cf3SRob Clark 3867ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3868ebc44cf3SRob Clark if (!property) 3869ebc44cf3SRob Clark return NULL; 3870ebc44cf3SRob Clark 3871ebc44cf3SRob Clark property->values[0] = min; 3872ebc44cf3SRob Clark property->values[1] = max; 3873ebc44cf3SRob Clark 3874ebc44cf3SRob Clark return property; 3875ebc44cf3SRob Clark } 3876ebc44cf3SRob Clark 3877c8e32cc1SDaniel Vetter /** 3878960cd9d4SDaniel Vetter * drm_property_create_range - create a new unsigned ranged property type 3879c8e32cc1SDaniel Vetter * @dev: drm device 3880c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3881c8e32cc1SDaniel Vetter * @name: name of the property 3882c8e32cc1SDaniel Vetter * @min: minimum value of the property 3883c8e32cc1SDaniel Vetter * @max: maximum value of the property 3884c8e32cc1SDaniel Vetter * 3885c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3886c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3887c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3888c8e32cc1SDaniel Vetter * 3889960cd9d4SDaniel Vetter * Userspace is allowed to set any unsigned integer value in the (min, max) 3890960cd9d4SDaniel Vetter * range inclusive. 3891c8e32cc1SDaniel Vetter * 3892c8e32cc1SDaniel Vetter * Returns: 3893c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3894c8e32cc1SDaniel Vetter */ 3895d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3896d9bc3c02SSascha Hauer const char *name, 3897d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3898d9bc3c02SSascha Hauer { 3899ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3900ebc44cf3SRob Clark name, min, max); 3901d9bc3c02SSascha Hauer } 3902d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3903d9bc3c02SSascha Hauer 3904960cd9d4SDaniel Vetter /** 3905960cd9d4SDaniel Vetter * drm_property_create_signed_range - create a new signed ranged property type 3906960cd9d4SDaniel Vetter * @dev: drm device 3907960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3908960cd9d4SDaniel Vetter * @name: name of the property 3909960cd9d4SDaniel Vetter * @min: minimum value of the property 3910960cd9d4SDaniel Vetter * @max: maximum value of the property 3911960cd9d4SDaniel Vetter * 3912960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3913960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3914960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3915960cd9d4SDaniel Vetter * 3916960cd9d4SDaniel Vetter * Userspace is allowed to set any signed integer value in the (min, max) 3917960cd9d4SDaniel Vetter * range inclusive. 3918960cd9d4SDaniel Vetter * 3919960cd9d4SDaniel Vetter * Returns: 3920960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3921960cd9d4SDaniel Vetter */ 3922ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3923ebc44cf3SRob Clark int flags, const char *name, 3924ebc44cf3SRob Clark int64_t min, int64_t max) 3925ebc44cf3SRob Clark { 3926ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3927ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3928ebc44cf3SRob Clark } 3929ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3930ebc44cf3SRob Clark 3931960cd9d4SDaniel Vetter /** 3932960cd9d4SDaniel Vetter * drm_property_create_object - create a new object property type 3933960cd9d4SDaniel Vetter * @dev: drm device 3934960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3935960cd9d4SDaniel Vetter * @name: name of the property 3936960cd9d4SDaniel Vetter * @type: object type from DRM_MODE_OBJECT_* defines 3937960cd9d4SDaniel Vetter * 3938960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3939960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3940960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3941960cd9d4SDaniel Vetter * 3942960cd9d4SDaniel Vetter * Userspace is only allowed to set this to any property value of the given 3943960cd9d4SDaniel Vetter * @type. Only useful for atomic properties, which is enforced. 3944960cd9d4SDaniel Vetter * 3945960cd9d4SDaniel Vetter * Returns: 3946960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3947960cd9d4SDaniel Vetter */ 394898f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 394998f75de4SRob Clark int flags, const char *name, uint32_t type) 395098f75de4SRob Clark { 395198f75de4SRob Clark struct drm_property *property; 395298f75de4SRob Clark 395398f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 395498f75de4SRob Clark 3955960cd9d4SDaniel Vetter if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) 3956960cd9d4SDaniel Vetter return NULL; 3957960cd9d4SDaniel Vetter 395898f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 395998f75de4SRob Clark if (!property) 396098f75de4SRob Clark return NULL; 396198f75de4SRob Clark 396298f75de4SRob Clark property->values[0] = type; 396398f75de4SRob Clark 396498f75de4SRob Clark return property; 396598f75de4SRob Clark } 396698f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 396798f75de4SRob Clark 3968c8e32cc1SDaniel Vetter /** 3969960cd9d4SDaniel Vetter * drm_property_create_bool - create a new boolean property type 3970960cd9d4SDaniel Vetter * @dev: drm device 3971960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3972960cd9d4SDaniel Vetter * @name: name of the property 3973960cd9d4SDaniel Vetter * 3974960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3975960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3976960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3977960cd9d4SDaniel Vetter * 3978960cd9d4SDaniel Vetter * This is implemented as a ranged property with only {0, 1} as valid values. 3979960cd9d4SDaniel Vetter * 3980960cd9d4SDaniel Vetter * Returns: 3981960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3982960cd9d4SDaniel Vetter */ 3983960cd9d4SDaniel Vetter struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, 3984960cd9d4SDaniel Vetter const char *name) 3985960cd9d4SDaniel Vetter { 3986960cd9d4SDaniel Vetter return drm_property_create_range(dev, flags, name, 0, 1); 3987960cd9d4SDaniel Vetter } 3988960cd9d4SDaniel Vetter EXPORT_SYMBOL(drm_property_create_bool); 3989960cd9d4SDaniel Vetter 3990960cd9d4SDaniel Vetter /** 3991c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3992c8e32cc1SDaniel Vetter * @property: enumeration property to change 3993c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3994c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3995c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3996c8e32cc1SDaniel Vetter * 3997c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3998c8e32cc1SDaniel Vetter * 3999c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 4000c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 4001c8e32cc1SDaniel Vetter * 4002c8e32cc1SDaniel Vetter * Returns: 4003c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4004c8e32cc1SDaniel Vetter */ 4005f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 4006f453ba04SDave Airlie uint64_t value, const char *name) 4007f453ba04SDave Airlie { 4008f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4009f453ba04SDave Airlie 40105ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 40115ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 401249e27545SRob Clark return -EINVAL; 401349e27545SRob Clark 401449e27545SRob Clark /* 401549e27545SRob Clark * Bitmask enum properties have the additional constraint of values 401649e27545SRob Clark * from 0 to 63 401749e27545SRob Clark */ 40185ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 40195ea22f24SRob Clark (value > 63)) 4020f453ba04SDave Airlie return -EINVAL; 4021f453ba04SDave Airlie 40223758b341SDaniel Vetter if (!list_empty(&property->enum_list)) { 40233758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4024f453ba04SDave Airlie if (prop_enum->value == value) { 4025f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 4026f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 4027f453ba04SDave Airlie return 0; 4028f453ba04SDave Airlie } 4029f453ba04SDave Airlie } 4030f453ba04SDave Airlie } 4031f453ba04SDave Airlie 4032f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 4033f453ba04SDave Airlie if (!prop_enum) 4034f453ba04SDave Airlie return -ENOMEM; 4035f453ba04SDave Airlie 4036f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 4037f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 4038f453ba04SDave Airlie prop_enum->value = value; 4039f453ba04SDave Airlie 4040f453ba04SDave Airlie property->values[index] = value; 40413758b341SDaniel Vetter list_add_tail(&prop_enum->head, &property->enum_list); 4042f453ba04SDave Airlie return 0; 4043f453ba04SDave Airlie } 4044f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 4045f453ba04SDave Airlie 4046c8e32cc1SDaniel Vetter /** 4047c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 4048c8e32cc1SDaniel Vetter * @dev: drm device 4049c8e32cc1SDaniel Vetter * @property: property to destry 4050c8e32cc1SDaniel Vetter * 4051c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 4052c8e32cc1SDaniel Vetter * enumeration values. 4053c8e32cc1SDaniel Vetter */ 4054f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 4055f453ba04SDave Airlie { 4056f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 4057f453ba04SDave Airlie 40583758b341SDaniel Vetter list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { 4059f453ba04SDave Airlie list_del(&prop_enum->head); 4060f453ba04SDave Airlie kfree(prop_enum); 4061f453ba04SDave Airlie } 4062f453ba04SDave Airlie 4063f453ba04SDave Airlie if (property->num_values) 4064f453ba04SDave Airlie kfree(property->values); 40657c8f6d25SDave Airlie drm_mode_object_unregister(dev, &property->base); 4066f453ba04SDave Airlie list_del(&property->head); 4067f453ba04SDave Airlie kfree(property); 4068f453ba04SDave Airlie } 4069f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 4070f453ba04SDave Airlie 4071c8e32cc1SDaniel Vetter /** 4072c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 4073c8e32cc1SDaniel Vetter * @obj: drm modeset object 4074c8e32cc1SDaniel Vetter * @property: property to attach 4075c8e32cc1SDaniel Vetter * @init_val: initial value of the property 4076c8e32cc1SDaniel Vetter * 4077c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 4078c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 4079c8e32cc1SDaniel Vetter * a statically sized array. 4080c8e32cc1SDaniel Vetter */ 4081c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 4082c543188aSPaulo Zanoni struct drm_property *property, 4083c543188aSPaulo Zanoni uint64_t init_val) 4084c543188aSPaulo Zanoni { 40857f88a9beSPaulo Zanoni int count = obj->properties->count; 4086c543188aSPaulo Zanoni 40877f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 40887f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 40897f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 40907f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 40917f88a9beSPaulo Zanoni obj->type); 4092c543188aSPaulo Zanoni return; 4093c543188aSPaulo Zanoni } 4094c543188aSPaulo Zanoni 4095b17cd757SRob Clark obj->properties->properties[count] = property; 40967f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 40977f88a9beSPaulo Zanoni obj->properties->count++; 409888a48e29SRob Clark if (property->flags & DRM_MODE_PROP_ATOMIC) 409988a48e29SRob Clark obj->properties->atomic_count++; 4100c543188aSPaulo Zanoni } 4101c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 4102c543188aSPaulo Zanoni 4103c8e32cc1SDaniel Vetter /** 4104c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 4105c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 4106c8e32cc1SDaniel Vetter * @property: property to set 4107c8e32cc1SDaniel Vetter * @val: value the property should be set to 4108c8e32cc1SDaniel Vetter * 4109c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 4110c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 4111c8e32cc1SDaniel Vetter * driver's ->set_property callback. 4112c8e32cc1SDaniel Vetter * 4113c8e32cc1SDaniel Vetter * Returns: 4114c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4115c8e32cc1SDaniel Vetter */ 4116c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 4117c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 4118c543188aSPaulo Zanoni { 4119c543188aSPaulo Zanoni int i; 4120c543188aSPaulo Zanoni 41217f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4122b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4123c543188aSPaulo Zanoni obj->properties->values[i] = val; 4124c543188aSPaulo Zanoni return 0; 4125c543188aSPaulo Zanoni } 4126c543188aSPaulo Zanoni } 4127c543188aSPaulo Zanoni 4128c543188aSPaulo Zanoni return -EINVAL; 4129c543188aSPaulo Zanoni } 4130c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 4131c543188aSPaulo Zanoni 4132c8e32cc1SDaniel Vetter /** 4133c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 4134c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 4135c8e32cc1SDaniel Vetter * @property: property to retrieve 4136c8e32cc1SDaniel Vetter * @val: storage for the property value 4137c8e32cc1SDaniel Vetter * 4138c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 4139c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 4140c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 4141c8e32cc1SDaniel Vetter * and property. 4142c8e32cc1SDaniel Vetter * 4143c8e32cc1SDaniel Vetter * Returns: 4144c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4145c8e32cc1SDaniel Vetter */ 4146c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 4147c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 4148c543188aSPaulo Zanoni { 4149c543188aSPaulo Zanoni int i; 4150c543188aSPaulo Zanoni 415188a48e29SRob Clark /* read-only properties bypass atomic mechanism and still store 415288a48e29SRob Clark * their value in obj->properties->values[].. mostly to avoid 415388a48e29SRob Clark * having to deal w/ EDID and similar props in atomic paths: 415488a48e29SRob Clark */ 415588a48e29SRob Clark if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && 415688a48e29SRob Clark !(property->flags & DRM_MODE_PROP_IMMUTABLE)) 415788a48e29SRob Clark return drm_atomic_get_property(obj, property, val); 415888a48e29SRob Clark 41597f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4160b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4161c543188aSPaulo Zanoni *val = obj->properties->values[i]; 4162c543188aSPaulo Zanoni return 0; 4163c543188aSPaulo Zanoni } 4164c543188aSPaulo Zanoni } 4165c543188aSPaulo Zanoni 4166c543188aSPaulo Zanoni return -EINVAL; 4167c543188aSPaulo Zanoni } 4168c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 4169c543188aSPaulo Zanoni 4170c8e32cc1SDaniel Vetter /** 41711a498633SDaniel Vetter * drm_mode_getproperty_ioctl - get the property metadata 4172c8e32cc1SDaniel Vetter * @dev: DRM device 4173c8e32cc1SDaniel Vetter * @data: ioctl data 4174c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4175c8e32cc1SDaniel Vetter * 41761a498633SDaniel Vetter * This function retrieves the metadata for a given property, like the different 41771a498633SDaniel Vetter * possible values for an enum property or the limits for a range property. 41781a498633SDaniel Vetter * 41791a498633SDaniel Vetter * Blob properties are special 4180c8e32cc1SDaniel Vetter * 4181c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4182c8e32cc1SDaniel Vetter * 4183c8e32cc1SDaniel Vetter * Returns: 41841a498633SDaniel Vetter * Zero on success, negative errno on failure. 4185c8e32cc1SDaniel Vetter */ 4186f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 4187f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4188f453ba04SDave Airlie { 4189f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 4190f453ba04SDave Airlie struct drm_property *property; 4191f453ba04SDave Airlie int enum_count = 0; 4192f453ba04SDave Airlie int value_count = 0; 4193f453ba04SDave Airlie int ret = 0, i; 4194f453ba04SDave Airlie int copied; 4195f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4196f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 4197f453ba04SDave Airlie uint64_t __user *values_ptr; 4198f453ba04SDave Airlie 4199fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4200fb3b06c8SDave Airlie return -EINVAL; 4201fb3b06c8SDave Airlie 420284849903SDaniel Vetter drm_modeset_lock_all(dev); 4203a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 4204a2b34e22SRob Clark if (!property) { 4205f27657f2SVille Syrjälä ret = -ENOENT; 4206f453ba04SDave Airlie goto done; 4207f453ba04SDave Airlie } 4208f453ba04SDave Airlie 42095ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 42105ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 42113758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) 4212f453ba04SDave Airlie enum_count++; 4213f453ba04SDave Airlie } 4214f453ba04SDave Airlie 4215f453ba04SDave Airlie value_count = property->num_values; 4216f453ba04SDave Airlie 4217f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 4218f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 4219f453ba04SDave Airlie out_resp->flags = property->flags; 4220f453ba04SDave Airlie 4221f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 422281f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 4223f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 4224f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 4225f453ba04SDave Airlie ret = -EFAULT; 4226f453ba04SDave Airlie goto done; 4227f453ba04SDave Airlie } 4228f453ba04SDave Airlie } 4229f453ba04SDave Airlie } 4230f453ba04SDave Airlie out_resp->count_values = value_count; 4231f453ba04SDave Airlie 42325ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 42335ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4234f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 4235f453ba04SDave Airlie copied = 0; 423681f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 42373758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4238f453ba04SDave Airlie 4239f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 4240f453ba04SDave Airlie ret = -EFAULT; 4241f453ba04SDave Airlie goto done; 4242f453ba04SDave Airlie } 4243f453ba04SDave Airlie 4244f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 4245f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 4246f453ba04SDave Airlie ret = -EFAULT; 4247f453ba04SDave Airlie goto done; 4248f453ba04SDave Airlie } 4249f453ba04SDave Airlie copied++; 4250f453ba04SDave Airlie } 4251f453ba04SDave Airlie } 4252f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 4253f453ba04SDave Airlie } 4254f453ba04SDave Airlie 42553758b341SDaniel Vetter /* 42563758b341SDaniel Vetter * NOTE: The idea seems to have been to use this to read all the blob 42573758b341SDaniel Vetter * property values. But nothing ever added them to the corresponding 42583758b341SDaniel Vetter * list, userspace always used the special-purpose get_blob ioctl to 42593758b341SDaniel Vetter * read the value for a blob property. It also doesn't make a lot of 42603758b341SDaniel Vetter * sense to return values here when everything else is just metadata for 42613758b341SDaniel Vetter * the property itself. 42623758b341SDaniel Vetter */ 42633758b341SDaniel Vetter if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 42643758b341SDaniel Vetter out_resp->count_enum_blobs = 0; 4265f453ba04SDave Airlie done: 426684849903SDaniel Vetter drm_modeset_unlock_all(dev); 4267f453ba04SDave Airlie return ret; 4268f453ba04SDave Airlie } 4269f453ba04SDave Airlie 427099531d9bSDaniel Stone /** 427199531d9bSDaniel Stone * drm_property_create_blob - Create new blob property 427299531d9bSDaniel Stone * 427399531d9bSDaniel Stone * Creates a new blob property for a specified DRM device, optionally 427499531d9bSDaniel Stone * copying data. 427599531d9bSDaniel Stone * 427699531d9bSDaniel Stone * @dev: DRM device to create property for 427799531d9bSDaniel Stone * @length: Length to allocate for blob data 427899531d9bSDaniel Stone * @data: If specified, copies data into blob 427910e8cb7eSDaniel Stone * 428010e8cb7eSDaniel Stone * Returns: 428110e8cb7eSDaniel Stone * New blob property with a single reference on success, or an ERR_PTR 428210e8cb7eSDaniel Stone * value on failure. 428399531d9bSDaniel Stone */ 42846bcacf51SDaniel Stone struct drm_property_blob * 4285ecbbe59bSThierry Reding drm_property_create_blob(struct drm_device *dev, size_t length, 428612e6cecdSThierry Reding const void *data) 4287f453ba04SDave Airlie { 4288f453ba04SDave Airlie struct drm_property_blob *blob; 42896bfc56aaSVille Syrjälä int ret; 4290f453ba04SDave Airlie 42919ac0934bSDan Carpenter if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) 429210e8cb7eSDaniel Stone return ERR_PTR(-EINVAL); 4293f453ba04SDave Airlie 4294f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 4295f453ba04SDave Airlie if (!blob) 429610e8cb7eSDaniel Stone return ERR_PTR(-ENOMEM); 4297f453ba04SDave Airlie 4298e2f5d2eaSDaniel Stone /* This must be explicitly initialised, so we can safely call list_del 4299e2f5d2eaSDaniel Stone * on it in the removal handler, even if it isn't in a file list. */ 4300e2f5d2eaSDaniel Stone INIT_LIST_HEAD(&blob->head_file); 4301f453ba04SDave Airlie blob->length = length; 43026bcacf51SDaniel Stone blob->dev = dev; 4303f453ba04SDave Airlie 430499531d9bSDaniel Stone if (data) 4305f453ba04SDave Airlie memcpy(blob->data, data, length); 4306f453ba04SDave Airlie 43078fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 43088fb6e7a5SDaniel Stone 43098fb6e7a5SDaniel Stone ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 43108fb6e7a5SDaniel Stone if (ret) { 43118fb6e7a5SDaniel Stone kfree(blob); 43128fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 431310e8cb7eSDaniel Stone return ERR_PTR(-EINVAL); 43148fb6e7a5SDaniel Stone } 43158fb6e7a5SDaniel Stone 43166bcacf51SDaniel Stone kref_init(&blob->refcount); 43176bcacf51SDaniel Stone 4318e2f5d2eaSDaniel Stone list_add_tail(&blob->head_global, 4319e2f5d2eaSDaniel Stone &dev->mode_config.property_blob_list); 43208fb6e7a5SDaniel Stone 43218fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43228fb6e7a5SDaniel Stone 4323f453ba04SDave Airlie return blob; 4324f453ba04SDave Airlie } 43256bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_create_blob); 4326f453ba04SDave Airlie 43276bcacf51SDaniel Stone /** 43286bcacf51SDaniel Stone * drm_property_free_blob - Blob property destructor 43296bcacf51SDaniel Stone * 43306bcacf51SDaniel Stone * Internal free function for blob properties; must not be used directly. 43316bcacf51SDaniel Stone * 4332f102c16eSDaniel Stone * @kref: Reference 43336bcacf51SDaniel Stone */ 43346bcacf51SDaniel Stone static void drm_property_free_blob(struct kref *kref) 4335f453ba04SDave Airlie { 43366bcacf51SDaniel Stone struct drm_property_blob *blob = 43376bcacf51SDaniel Stone container_of(kref, struct drm_property_blob, refcount); 43386bcacf51SDaniel Stone 43396bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&blob->dev->mode_config.blob_lock)); 43406bcacf51SDaniel Stone 4341e2f5d2eaSDaniel Stone list_del(&blob->head_global); 4342e2f5d2eaSDaniel Stone list_del(&blob->head_file); 43437c8f6d25SDave Airlie drm_mode_object_unregister(blob->dev, &blob->base); 43448fb6e7a5SDaniel Stone 4345f453ba04SDave Airlie kfree(blob); 4346f453ba04SDave Airlie } 4347f453ba04SDave Airlie 4348c8e32cc1SDaniel Vetter /** 43496bcacf51SDaniel Stone * drm_property_unreference_blob - Unreference a blob property 43506bcacf51SDaniel Stone * 43516bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. 43526bcacf51SDaniel Stone * 4353f102c16eSDaniel Stone * @blob: Pointer to blob property 43546bcacf51SDaniel Stone */ 43556bcacf51SDaniel Stone void drm_property_unreference_blob(struct drm_property_blob *blob) 43566bcacf51SDaniel Stone { 43576bcacf51SDaniel Stone struct drm_device *dev; 43586bcacf51SDaniel Stone 43596bcacf51SDaniel Stone if (!blob) 43606bcacf51SDaniel Stone return; 43616bcacf51SDaniel Stone 43626bcacf51SDaniel Stone dev = blob->dev; 43636bcacf51SDaniel Stone 43646bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43656bcacf51SDaniel Stone 43666bcacf51SDaniel Stone if (kref_put_mutex(&blob->refcount, drm_property_free_blob, 43676bcacf51SDaniel Stone &dev->mode_config.blob_lock)) 43686bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43696bcacf51SDaniel Stone else 43706bcacf51SDaniel Stone might_lock(&dev->mode_config.blob_lock); 43716bcacf51SDaniel Stone } 43726bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_unreference_blob); 43736bcacf51SDaniel Stone 43746bcacf51SDaniel Stone /** 43756bcacf51SDaniel Stone * drm_property_unreference_blob_locked - Unreference a blob property with blob_lock held 43766bcacf51SDaniel Stone * 43776bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. This must be 43786bcacf51SDaniel Stone * called with blob_lock held. 43796bcacf51SDaniel Stone * 4380f102c16eSDaniel Stone * @blob: Pointer to blob property 43816bcacf51SDaniel Stone */ 43826bcacf51SDaniel Stone static void drm_property_unreference_blob_locked(struct drm_property_blob *blob) 43836bcacf51SDaniel Stone { 43846bcacf51SDaniel Stone if (!blob) 43856bcacf51SDaniel Stone return; 43866bcacf51SDaniel Stone 43876bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43886bcacf51SDaniel Stone 43896bcacf51SDaniel Stone kref_put(&blob->refcount, drm_property_free_blob); 43906bcacf51SDaniel Stone } 43916bcacf51SDaniel Stone 43926bcacf51SDaniel Stone /** 4393e2f5d2eaSDaniel Stone * drm_property_destroy_user_blobs - destroy all blobs created by this client 4394e2f5d2eaSDaniel Stone * @dev: DRM device 4395e2f5d2eaSDaniel Stone * @file_priv: destroy all blobs owned by this file handle 4396e2f5d2eaSDaniel Stone */ 4397e2f5d2eaSDaniel Stone void drm_property_destroy_user_blobs(struct drm_device *dev, 4398e2f5d2eaSDaniel Stone struct drm_file *file_priv) 4399e2f5d2eaSDaniel Stone { 4400e2f5d2eaSDaniel Stone struct drm_property_blob *blob, *bt; 4401e2f5d2eaSDaniel Stone 4402e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4403e2f5d2eaSDaniel Stone 4404e2f5d2eaSDaniel Stone list_for_each_entry_safe(blob, bt, &file_priv->blobs, head_file) { 4405e2f5d2eaSDaniel Stone list_del_init(&blob->head_file); 4406e2f5d2eaSDaniel Stone drm_property_unreference_blob_locked(blob); 4407e2f5d2eaSDaniel Stone } 4408e2f5d2eaSDaniel Stone 4409e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4410e2f5d2eaSDaniel Stone } 4411e2f5d2eaSDaniel Stone 4412e2f5d2eaSDaniel Stone /** 44136bcacf51SDaniel Stone * drm_property_reference_blob - Take a reference on an existing property 44146bcacf51SDaniel Stone * 44156bcacf51SDaniel Stone * Take a new reference on an existing blob property. 44166bcacf51SDaniel Stone * 4417f102c16eSDaniel Stone * @blob: Pointer to blob property 44186bcacf51SDaniel Stone */ 44196bcacf51SDaniel Stone struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob) 44206bcacf51SDaniel Stone { 44216bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 44226bcacf51SDaniel Stone kref_get(&blob->refcount); 44236bcacf51SDaniel Stone return blob; 44246bcacf51SDaniel Stone } 44256bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_reference_blob); 44266bcacf51SDaniel Stone 44276bcacf51SDaniel Stone /* 44286bcacf51SDaniel Stone * Like drm_property_lookup_blob, but does not return an additional reference. 44296bcacf51SDaniel Stone * Must be called with blob_lock held. 44306bcacf51SDaniel Stone */ 44316bcacf51SDaniel Stone static struct drm_property_blob *__drm_property_lookup_blob(struct drm_device *dev, 44326bcacf51SDaniel Stone uint32_t id) 44336bcacf51SDaniel Stone { 44346bcacf51SDaniel Stone struct drm_mode_object *obj = NULL; 44356bcacf51SDaniel Stone struct drm_property_blob *blob; 44366bcacf51SDaniel Stone 44376bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&dev->mode_config.blob_lock)); 44386bcacf51SDaniel Stone 44396bcacf51SDaniel Stone mutex_lock(&dev->mode_config.idr_mutex); 44406bcacf51SDaniel Stone obj = idr_find(&dev->mode_config.crtc_idr, id); 44416bcacf51SDaniel Stone if (!obj || (obj->type != DRM_MODE_OBJECT_BLOB) || (obj->id != id)) 44426bcacf51SDaniel Stone blob = NULL; 44436bcacf51SDaniel Stone else 44446bcacf51SDaniel Stone blob = obj_to_blob(obj); 44456bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.idr_mutex); 44466bcacf51SDaniel Stone 4447f453ba04SDave Airlie return blob; 4448f453ba04SDave Airlie } 4449f453ba04SDave Airlie 44506bcacf51SDaniel Stone /** 44516bcacf51SDaniel Stone * drm_property_lookup_blob - look up a blob property and take a reference 44526bcacf51SDaniel Stone * @dev: drm device 44536bcacf51SDaniel Stone * @id: id of the blob property 44546bcacf51SDaniel Stone * 44556bcacf51SDaniel Stone * If successful, this takes an additional reference to the blob property. 44566bcacf51SDaniel Stone * callers need to make sure to eventually unreference the returned property 44576bcacf51SDaniel Stone * again, using @drm_property_unreference_blob. 44586bcacf51SDaniel Stone */ 44596bcacf51SDaniel Stone struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, 44606bcacf51SDaniel Stone uint32_t id) 4461f453ba04SDave Airlie { 44626bcacf51SDaniel Stone struct drm_property_blob *blob; 44636bcacf51SDaniel Stone 44646bcacf51SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 44656bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, id); 44666bcacf51SDaniel Stone if (blob) { 44676bcacf51SDaniel Stone if (!kref_get_unless_zero(&blob->refcount)) 44686bcacf51SDaniel Stone blob = NULL; 44696bcacf51SDaniel Stone } 44706bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 44716bcacf51SDaniel Stone 44726bcacf51SDaniel Stone return blob; 44736bcacf51SDaniel Stone } 44746bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_lookup_blob); 44756bcacf51SDaniel Stone 44766bcacf51SDaniel Stone /** 4477d2ed3436SDaniel Stone * drm_property_replace_global_blob - atomically replace existing blob property 4478d2ed3436SDaniel Stone * @dev: drm device 4479d2ed3436SDaniel Stone * @replace: location of blob property pointer to be replaced 4480d2ed3436SDaniel Stone * @length: length of data for new blob, or 0 for no data 4481d2ed3436SDaniel Stone * @data: content for new blob, or NULL for no data 4482d2ed3436SDaniel Stone * @obj_holds_id: optional object for property holding blob ID 4483d2ed3436SDaniel Stone * @prop_holds_id: optional property holding blob ID 4484d2ed3436SDaniel Stone * @return 0 on success or error on failure 4485d2ed3436SDaniel Stone * 4486d2ed3436SDaniel Stone * This function will atomically replace a global property in the blob list, 4487d2ed3436SDaniel Stone * optionally updating a property which holds the ID of that property. It is 4488d2ed3436SDaniel Stone * guaranteed to be atomic: no caller will be allowed to see intermediate 4489d2ed3436SDaniel Stone * results, and either the entire operation will succeed and clean up the 4490d2ed3436SDaniel Stone * previous property, or it will fail and the state will be unchanged. 4491d2ed3436SDaniel Stone * 4492d2ed3436SDaniel Stone * If length is 0 or data is NULL, no new blob will be created, and the holding 4493d2ed3436SDaniel Stone * property, if specified, will be set to 0. 4494d2ed3436SDaniel Stone * 4495d2ed3436SDaniel Stone * Access to the replace pointer is assumed to be protected by the caller, e.g. 4496d2ed3436SDaniel Stone * by holding the relevant modesetting object lock for its parent. 4497d2ed3436SDaniel Stone * 4498d2ed3436SDaniel Stone * For example, a drm_connector has a 'PATH' property, which contains the ID 4499d2ed3436SDaniel Stone * of a blob property with the value of the MST path information. Calling this 4500d2ed3436SDaniel Stone * function with replace pointing to the connector's path_blob_ptr, length and 4501d2ed3436SDaniel Stone * data set for the new path information, obj_holds_id set to the connector's 4502d2ed3436SDaniel Stone * base object, and prop_holds_id set to the path property name, will perform 4503d2ed3436SDaniel Stone * a completely atomic update. The access to path_blob_ptr is protected by the 4504d2ed3436SDaniel Stone * caller holding a lock on the connector. 4505d2ed3436SDaniel Stone */ 4506d2ed3436SDaniel Stone static int drm_property_replace_global_blob(struct drm_device *dev, 4507d2ed3436SDaniel Stone struct drm_property_blob **replace, 4508d2ed3436SDaniel Stone size_t length, 4509d2ed3436SDaniel Stone const void *data, 4510d2ed3436SDaniel Stone struct drm_mode_object *obj_holds_id, 4511d2ed3436SDaniel Stone struct drm_property *prop_holds_id) 4512d2ed3436SDaniel Stone { 4513d2ed3436SDaniel Stone struct drm_property_blob *new_blob = NULL; 4514d2ed3436SDaniel Stone struct drm_property_blob *old_blob = NULL; 4515d2ed3436SDaniel Stone int ret; 4516d2ed3436SDaniel Stone 4517d2ed3436SDaniel Stone WARN_ON(replace == NULL); 4518d2ed3436SDaniel Stone 4519d2ed3436SDaniel Stone old_blob = *replace; 4520d2ed3436SDaniel Stone 4521d2ed3436SDaniel Stone if (length && data) { 4522d2ed3436SDaniel Stone new_blob = drm_property_create_blob(dev, length, data); 452310e8cb7eSDaniel Stone if (IS_ERR(new_blob)) 452410e8cb7eSDaniel Stone return PTR_ERR(new_blob); 4525d2ed3436SDaniel Stone } 4526d2ed3436SDaniel Stone 4527d2ed3436SDaniel Stone /* This does not need to be synchronised with blob_lock, as the 4528d2ed3436SDaniel Stone * get_properties ioctl locks all modesetting objects, and 4529d2ed3436SDaniel Stone * obj_holds_id must be locked before calling here, so we cannot 4530d2ed3436SDaniel Stone * have its value out of sync with the list membership modified 4531d2ed3436SDaniel Stone * below under blob_lock. */ 4532d2ed3436SDaniel Stone if (obj_holds_id) { 4533d2ed3436SDaniel Stone ret = drm_object_property_set_value(obj_holds_id, 4534d2ed3436SDaniel Stone prop_holds_id, 4535d2ed3436SDaniel Stone new_blob ? 4536d2ed3436SDaniel Stone new_blob->base.id : 0); 4537d2ed3436SDaniel Stone if (ret != 0) 4538d2ed3436SDaniel Stone goto err_created; 4539d2ed3436SDaniel Stone } 4540d2ed3436SDaniel Stone 45416bcacf51SDaniel Stone drm_property_unreference_blob(old_blob); 4542d2ed3436SDaniel Stone *replace = new_blob; 4543d2ed3436SDaniel Stone 4544d2ed3436SDaniel Stone return 0; 4545d2ed3436SDaniel Stone 4546d2ed3436SDaniel Stone err_created: 45476bcacf51SDaniel Stone drm_property_unreference_blob(new_blob); 4548d2ed3436SDaniel Stone return ret; 4549f453ba04SDave Airlie } 4550f453ba04SDave Airlie 4551c8e32cc1SDaniel Vetter /** 4552c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 4553c8e32cc1SDaniel Vetter * @dev: DRM device 4554c8e32cc1SDaniel Vetter * @data: ioctl data 4555c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4556c8e32cc1SDaniel Vetter * 4557c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 4558c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 4559c8e32cc1SDaniel Vetter * 4560c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4561c8e32cc1SDaniel Vetter * 4562c8e32cc1SDaniel Vetter * Returns: 45631a498633SDaniel Vetter * Zero on success, negative errno on failure. 4564c8e32cc1SDaniel Vetter */ 4565f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 4566f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4567f453ba04SDave Airlie { 4568f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 4569f453ba04SDave Airlie struct drm_property_blob *blob; 4570f453ba04SDave Airlie int ret = 0; 457181f6c7f8SVille Syrjälä void __user *blob_ptr; 4572f453ba04SDave Airlie 4573fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4574fb3b06c8SDave Airlie return -EINVAL; 4575fb3b06c8SDave Airlie 457684849903SDaniel Vetter drm_modeset_lock_all(dev); 45778fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 45786bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4579a2b34e22SRob Clark if (!blob) { 4580f27657f2SVille Syrjälä ret = -ENOENT; 4581f453ba04SDave Airlie goto done; 4582f453ba04SDave Airlie } 4583f453ba04SDave Airlie 4584f453ba04SDave Airlie if (out_resp->length == blob->length) { 458581f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 4586f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)) { 4587f453ba04SDave Airlie ret = -EFAULT; 4588f453ba04SDave Airlie goto done; 4589f453ba04SDave Airlie } 4590f453ba04SDave Airlie } 4591f453ba04SDave Airlie out_resp->length = blob->length; 4592f453ba04SDave Airlie 4593f453ba04SDave Airlie done: 45948fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 459584849903SDaniel Vetter drm_modeset_unlock_all(dev); 4596f453ba04SDave Airlie return ret; 4597f453ba04SDave Airlie } 4598f453ba04SDave Airlie 4599cc7096fbSDave Airlie /** 4600e2f5d2eaSDaniel Stone * drm_mode_createblob_ioctl - create a new blob property 4601e2f5d2eaSDaniel Stone * @dev: DRM device 4602e2f5d2eaSDaniel Stone * @data: ioctl data 4603e2f5d2eaSDaniel Stone * @file_priv: DRM file info 4604e2f5d2eaSDaniel Stone * 4605e2f5d2eaSDaniel Stone * This function creates a new blob property with user-defined values. In order 4606e2f5d2eaSDaniel Stone * to give us sensible validation and checking when creating, rather than at 4607e2f5d2eaSDaniel Stone * every potential use, we also require a type to be provided upfront. 4608e2f5d2eaSDaniel Stone * 4609e2f5d2eaSDaniel Stone * Called by the user via ioctl. 4610e2f5d2eaSDaniel Stone * 4611e2f5d2eaSDaniel Stone * Returns: 4612e2f5d2eaSDaniel Stone * Zero on success, negative errno on failure. 4613e2f5d2eaSDaniel Stone */ 4614e2f5d2eaSDaniel Stone int drm_mode_createblob_ioctl(struct drm_device *dev, 4615e2f5d2eaSDaniel Stone void *data, struct drm_file *file_priv) 4616e2f5d2eaSDaniel Stone { 4617e2f5d2eaSDaniel Stone struct drm_mode_create_blob *out_resp = data; 4618e2f5d2eaSDaniel Stone struct drm_property_blob *blob; 4619e2f5d2eaSDaniel Stone void __user *blob_ptr; 4620e2f5d2eaSDaniel Stone int ret = 0; 4621e2f5d2eaSDaniel Stone 4622e2f5d2eaSDaniel Stone if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4623e2f5d2eaSDaniel Stone return -EINVAL; 4624e2f5d2eaSDaniel Stone 4625e2f5d2eaSDaniel Stone blob = drm_property_create_blob(dev, out_resp->length, NULL); 4626e2f5d2eaSDaniel Stone if (IS_ERR(blob)) 4627e2f5d2eaSDaniel Stone return PTR_ERR(blob); 4628e2f5d2eaSDaniel Stone 4629e2f5d2eaSDaniel Stone blob_ptr = (void __user *)(unsigned long)out_resp->data; 4630e2f5d2eaSDaniel Stone if (copy_from_user(blob->data, blob_ptr, out_resp->length)) { 4631e2f5d2eaSDaniel Stone ret = -EFAULT; 4632e2f5d2eaSDaniel Stone goto out_blob; 4633e2f5d2eaSDaniel Stone } 4634e2f5d2eaSDaniel Stone 4635e2f5d2eaSDaniel Stone /* Dropping the lock between create_blob and our access here is safe 4636e2f5d2eaSDaniel Stone * as only the same file_priv can remove the blob; at this point, it is 4637e2f5d2eaSDaniel Stone * not associated with any file_priv. */ 4638e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4639e2f5d2eaSDaniel Stone out_resp->blob_id = blob->base.id; 46408731b269SManeet Singh list_add_tail(&blob->head_file, &file_priv->blobs); 4641e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4642e2f5d2eaSDaniel Stone 4643e2f5d2eaSDaniel Stone return 0; 4644e2f5d2eaSDaniel Stone 4645e2f5d2eaSDaniel Stone out_blob: 4646e2f5d2eaSDaniel Stone drm_property_unreference_blob(blob); 4647e2f5d2eaSDaniel Stone return ret; 4648e2f5d2eaSDaniel Stone } 4649e2f5d2eaSDaniel Stone 4650e2f5d2eaSDaniel Stone /** 4651e2f5d2eaSDaniel Stone * drm_mode_destroyblob_ioctl - destroy a user blob property 4652e2f5d2eaSDaniel Stone * @dev: DRM device 4653e2f5d2eaSDaniel Stone * @data: ioctl data 4654e2f5d2eaSDaniel Stone * @file_priv: DRM file info 4655e2f5d2eaSDaniel Stone * 4656e2f5d2eaSDaniel Stone * Destroy an existing user-defined blob property. 4657e2f5d2eaSDaniel Stone * 4658e2f5d2eaSDaniel Stone * Called by the user via ioctl. 4659e2f5d2eaSDaniel Stone * 4660e2f5d2eaSDaniel Stone * Returns: 4661e2f5d2eaSDaniel Stone * Zero on success, negative errno on failure. 4662e2f5d2eaSDaniel Stone */ 4663e2f5d2eaSDaniel Stone int drm_mode_destroyblob_ioctl(struct drm_device *dev, 4664e2f5d2eaSDaniel Stone void *data, struct drm_file *file_priv) 4665e2f5d2eaSDaniel Stone { 4666e2f5d2eaSDaniel Stone struct drm_mode_destroy_blob *out_resp = data; 4667e2f5d2eaSDaniel Stone struct drm_property_blob *blob = NULL, *bt; 4668e2f5d2eaSDaniel Stone bool found = false; 4669e2f5d2eaSDaniel Stone int ret = 0; 4670e2f5d2eaSDaniel Stone 4671e2f5d2eaSDaniel Stone if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4672e2f5d2eaSDaniel Stone return -EINVAL; 4673e2f5d2eaSDaniel Stone 4674e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4675e2f5d2eaSDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4676e2f5d2eaSDaniel Stone if (!blob) { 4677e2f5d2eaSDaniel Stone ret = -ENOENT; 4678e2f5d2eaSDaniel Stone goto err; 4679e2f5d2eaSDaniel Stone } 4680e2f5d2eaSDaniel Stone 4681e2f5d2eaSDaniel Stone /* Ensure the property was actually created by this user. */ 4682e2f5d2eaSDaniel Stone list_for_each_entry(bt, &file_priv->blobs, head_file) { 4683e2f5d2eaSDaniel Stone if (bt == blob) { 4684e2f5d2eaSDaniel Stone found = true; 4685e2f5d2eaSDaniel Stone break; 4686e2f5d2eaSDaniel Stone } 4687e2f5d2eaSDaniel Stone } 4688e2f5d2eaSDaniel Stone 4689e2f5d2eaSDaniel Stone if (!found) { 4690e2f5d2eaSDaniel Stone ret = -EPERM; 4691e2f5d2eaSDaniel Stone goto err; 4692e2f5d2eaSDaniel Stone } 4693e2f5d2eaSDaniel Stone 4694e2f5d2eaSDaniel Stone /* We must drop head_file here, because we may not be the last 4695e2f5d2eaSDaniel Stone * reference on the blob. */ 4696e2f5d2eaSDaniel Stone list_del_init(&blob->head_file); 4697e2f5d2eaSDaniel Stone drm_property_unreference_blob_locked(blob); 4698e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4699e2f5d2eaSDaniel Stone 4700e2f5d2eaSDaniel Stone return 0; 4701e2f5d2eaSDaniel Stone 4702e2f5d2eaSDaniel Stone err: 4703e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4704e2f5d2eaSDaniel Stone return ret; 4705e2f5d2eaSDaniel Stone } 4706e2f5d2eaSDaniel Stone 4707e2f5d2eaSDaniel Stone /** 4708cc7096fbSDave Airlie * drm_mode_connector_set_path_property - set tile property on connector 4709cc7096fbSDave Airlie * @connector: connector to set property on. 4710d2ed3436SDaniel Stone * @path: path to use for property; must not be NULL. 4711cc7096fbSDave Airlie * 4712cc7096fbSDave Airlie * This creates a property to expose to userspace to specify a 4713cc7096fbSDave Airlie * connector path. This is mainly used for DisplayPort MST where 4714cc7096fbSDave Airlie * connectors have a topology and we want to allow userspace to give 4715cc7096fbSDave Airlie * them more meaningful names. 4716cc7096fbSDave Airlie * 4717cc7096fbSDave Airlie * Returns: 47181a498633SDaniel Vetter * Zero on success, negative errno on failure. 4719cc7096fbSDave Airlie */ 472043aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 472112e6cecdSThierry Reding const char *path) 472243aba7ebSDave Airlie { 472343aba7ebSDave Airlie struct drm_device *dev = connector->dev; 4724ecbbe59bSThierry Reding int ret; 472543aba7ebSDave Airlie 4726d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4727d2ed3436SDaniel Stone &connector->path_blob_ptr, 4728d2ed3436SDaniel Stone strlen(path) + 1, 4729d2ed3436SDaniel Stone path, 4730d2ed3436SDaniel Stone &connector->base, 4731d2ed3436SDaniel Stone dev->mode_config.path_property); 473243aba7ebSDave Airlie return ret; 473343aba7ebSDave Airlie } 473443aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 473543aba7ebSDave Airlie 4736c8e32cc1SDaniel Vetter /** 47376f134d7bSDave Airlie * drm_mode_connector_set_tile_property - set tile property on connector 47386f134d7bSDave Airlie * @connector: connector to set property on. 47396f134d7bSDave Airlie * 47406f134d7bSDave Airlie * This looks up the tile information for a connector, and creates a 47416f134d7bSDave Airlie * property for userspace to parse if it exists. The property is of 47426f134d7bSDave Airlie * the form of 8 integers using ':' as a separator. 47436f134d7bSDave Airlie * 47446f134d7bSDave Airlie * Returns: 47456f134d7bSDave Airlie * Zero on success, errno on failure. 47466f134d7bSDave Airlie */ 47476f134d7bSDave Airlie int drm_mode_connector_set_tile_property(struct drm_connector *connector) 47486f134d7bSDave Airlie { 47496f134d7bSDave Airlie struct drm_device *dev = connector->dev; 47506f134d7bSDave Airlie char tile[256]; 4751d2ed3436SDaniel Stone int ret; 47526f134d7bSDave Airlie 47536f134d7bSDave Airlie if (!connector->has_tile) { 4754d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4755d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4756d2ed3436SDaniel Stone 0, 4757d2ed3436SDaniel Stone NULL, 4758d2ed3436SDaniel Stone &connector->base, 4759d2ed3436SDaniel Stone dev->mode_config.tile_property); 47606f134d7bSDave Airlie return ret; 47616f134d7bSDave Airlie } 47626f134d7bSDave Airlie 47636f134d7bSDave Airlie snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", 47646f134d7bSDave Airlie connector->tile_group->id, connector->tile_is_single_monitor, 47656f134d7bSDave Airlie connector->num_h_tile, connector->num_v_tile, 47666f134d7bSDave Airlie connector->tile_h_loc, connector->tile_v_loc, 47676f134d7bSDave Airlie connector->tile_h_size, connector->tile_v_size); 47686f134d7bSDave Airlie 4769d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4770d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4771d2ed3436SDaniel Stone strlen(tile) + 1, 4772d2ed3436SDaniel Stone tile, 4773d2ed3436SDaniel Stone &connector->base, 4774d2ed3436SDaniel Stone dev->mode_config.tile_property); 47756f134d7bSDave Airlie return ret; 47766f134d7bSDave Airlie } 47776f134d7bSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_tile_property); 47786f134d7bSDave Airlie 47796f134d7bSDave Airlie /** 4780c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4781c8e32cc1SDaniel Vetter * @connector: drm connector 4782c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4783c8e32cc1SDaniel Vetter * 4784c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4785c8e32cc1SDaniel Vetter * connector's edid property. 4786c8e32cc1SDaniel Vetter * 4787c8e32cc1SDaniel Vetter * Returns: 47881a498633SDaniel Vetter * Zero on success, negative errno on failure. 4789c8e32cc1SDaniel Vetter */ 4790f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 479112e6cecdSThierry Reding const struct edid *edid) 4792f453ba04SDave Airlie { 4793f453ba04SDave Airlie struct drm_device *dev = connector->dev; 4794d2ed3436SDaniel Stone size_t size = 0; 4795ecbbe59bSThierry Reding int ret; 4796f453ba04SDave Airlie 47974cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 47984cf2b281SThomas Wood if (connector->override_edid) 47994cf2b281SThomas Wood return 0; 48004cf2b281SThomas Wood 4801d2ed3436SDaniel Stone if (edid) 4802e24ff467SShixin Zeng size = EDID_LENGTH * (1 + edid->extensions); 4803f453ba04SDave Airlie 4804d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4805d2ed3436SDaniel Stone &connector->edid_blob_ptr, 4806d2ed3436SDaniel Stone size, 4807d2ed3436SDaniel Stone edid, 4808d2ed3436SDaniel Stone &connector->base, 4809d2ed3436SDaniel Stone dev->mode_config.edid_property); 4810f453ba04SDave Airlie return ret; 4811f453ba04SDave Airlie } 4812f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4813f453ba04SDave Airlie 48143843e71fSRob Clark /* Some properties could refer to dynamic refcnt'd objects, or things that 48153843e71fSRob Clark * need special locking to handle lifetime issues (ie. to ensure the prop 48163843e71fSRob Clark * value doesn't become invalid part way through the property update due to 48173843e71fSRob Clark * race). The value returned by reference via 'obj' should be passed back 48183843e71fSRob Clark * to drm_property_change_valid_put() after the property is set (and the 48193843e71fSRob Clark * object to which the property is attached has a chance to take it's own 48203843e71fSRob Clark * reference). 48213843e71fSRob Clark */ 4822d34f20d6SRob Clark bool drm_property_change_valid_get(struct drm_property *property, 48233843e71fSRob Clark uint64_t value, struct drm_mode_object **ref) 482426a34815SPaulo Zanoni { 48252ca651d1SThierry Reding int i; 48262ca651d1SThierry Reding 482726a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 482826a34815SPaulo Zanoni return false; 48295ea22f24SRob Clark 48303843e71fSRob Clark *ref = NULL; 48313843e71fSRob Clark 48325ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 483326a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 483426a34815SPaulo Zanoni return false; 483526a34815SPaulo Zanoni return true; 4836ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4837ebc44cf3SRob Clark int64_t svalue = U642I64(value); 48384dfd909fSThierry Reding 4839ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4840ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4841ebc44cf3SRob Clark return false; 4842ebc44cf3SRob Clark return true; 48435ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4844592c20eeSVille Syrjälä uint64_t valid_mask = 0; 48454dfd909fSThierry Reding 484649e27545SRob Clark for (i = 0; i < property->num_values; i++) 484749e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 484849e27545SRob Clark return !(value & ~valid_mask); 48495ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 48506bcacf51SDaniel Stone struct drm_property_blob *blob; 48516bcacf51SDaniel Stone 48526bcacf51SDaniel Stone if (value == 0) 4853c4a56750SVille Syrjälä return true; 48546bcacf51SDaniel Stone 48556bcacf51SDaniel Stone blob = drm_property_lookup_blob(property->dev, value); 48566bcacf51SDaniel Stone if (blob) { 48576bcacf51SDaniel Stone *ref = &blob->base; 48586bcacf51SDaniel Stone return true; 48596bcacf51SDaniel Stone } else { 48606bcacf51SDaniel Stone return false; 48616bcacf51SDaniel Stone } 486298f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 486398f75de4SRob Clark /* a zero value for an object property translates to null: */ 486498f75de4SRob Clark if (value == 0) 486598f75de4SRob Clark return true; 48663843e71fSRob Clark 48673843e71fSRob Clark /* handle refcnt'd objects specially: */ 48683843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) { 48693843e71fSRob Clark struct drm_framebuffer *fb; 48703843e71fSRob Clark fb = drm_framebuffer_lookup(property->dev, value); 48713843e71fSRob Clark if (fb) { 48723843e71fSRob Clark *ref = &fb->base; 48733843e71fSRob Clark return true; 48743843e71fSRob Clark } else { 48753843e71fSRob Clark return false; 48763843e71fSRob Clark } 48773843e71fSRob Clark } else { 48783843e71fSRob Clark return _object_find(property->dev, value, property->values[0]) != NULL; 48793843e71fSRob Clark } 48802ca651d1SThierry Reding } 48812ca651d1SThierry Reding 488226a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 488326a34815SPaulo Zanoni if (property->values[i] == value) 488426a34815SPaulo Zanoni return true; 488526a34815SPaulo Zanoni return false; 488626a34815SPaulo Zanoni } 488726a34815SPaulo Zanoni 4888d34f20d6SRob Clark void drm_property_change_valid_put(struct drm_property *property, 48893843e71fSRob Clark struct drm_mode_object *ref) 48903843e71fSRob Clark { 48913843e71fSRob Clark if (!ref) 48923843e71fSRob Clark return; 48933843e71fSRob Clark 48943843e71fSRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 48953843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) 48963843e71fSRob Clark drm_framebuffer_unreference(obj_to_fb(ref)); 4897da9b2a38SDaniel Stone } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 4898da9b2a38SDaniel Stone drm_property_unreference_blob(obj_to_blob(ref)); 48993843e71fSRob Clark } 49003843e71fSRob Clark 4901c8e32cc1SDaniel Vetter /** 4902c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4903c8e32cc1SDaniel Vetter * @dev: DRM device 4904c8e32cc1SDaniel Vetter * @data: ioctl data 4905c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4906c8e32cc1SDaniel Vetter * 4907c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4908c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4909c8e32cc1SDaniel Vetter * 4910c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4911c8e32cc1SDaniel Vetter * 4912c8e32cc1SDaniel Vetter * Returns: 49131a498633SDaniel Vetter * Zero on success, negative errno on failure. 4914c8e32cc1SDaniel Vetter */ 4915f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4916f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4917f453ba04SDave Airlie { 49180057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 49190057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 49200057d8ddSPaulo Zanoni .value = conn_set_prop->value, 49210057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 49220057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 49230057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 49240057d8ddSPaulo Zanoni }; 4925f453ba04SDave Airlie 49260057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 49270057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4928f453ba04SDave Airlie } 4929f453ba04SDave Airlie 4930c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4931c543188aSPaulo Zanoni struct drm_property *property, 4932c543188aSPaulo Zanoni uint64_t value) 4933c543188aSPaulo Zanoni { 4934c543188aSPaulo Zanoni int ret = -EINVAL; 4935c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4936c543188aSPaulo Zanoni 4937c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4938c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 49399a69a9acSMaarten Lankhorst ret = (*connector->funcs->dpms)(connector, (int)value); 4940c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4941c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4942c543188aSPaulo Zanoni 4943c543188aSPaulo Zanoni /* store the property value if successful */ 4944c543188aSPaulo Zanoni if (!ret) 494558495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4946c543188aSPaulo Zanoni return ret; 4947c543188aSPaulo Zanoni } 4948c543188aSPaulo Zanoni 4949bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4950bffd9de0SPaulo Zanoni struct drm_property *property, 4951bffd9de0SPaulo Zanoni uint64_t value) 4952bffd9de0SPaulo Zanoni { 4953bffd9de0SPaulo Zanoni int ret = -EINVAL; 4954bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4955bffd9de0SPaulo Zanoni 4956bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4957bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4958bffd9de0SPaulo Zanoni if (!ret) 4959bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4960bffd9de0SPaulo Zanoni 4961bffd9de0SPaulo Zanoni return ret; 4962bffd9de0SPaulo Zanoni } 4963bffd9de0SPaulo Zanoni 49643a5f87c2SThomas Wood /** 49653a5f87c2SThomas Wood * drm_mode_plane_set_obj_prop - set the value of a property 49663a5f87c2SThomas Wood * @plane: drm plane object to set property value for 49673a5f87c2SThomas Wood * @property: property to set 49683a5f87c2SThomas Wood * @value: value the property should be set to 49693a5f87c2SThomas Wood * 49703a5f87c2SThomas Wood * This functions sets a given property on a given plane object. This function 49713a5f87c2SThomas Wood * calls the driver's ->set_property callback and changes the software state of 49723a5f87c2SThomas Wood * the property if the callback succeeds. 49733a5f87c2SThomas Wood * 49743a5f87c2SThomas Wood * Returns: 49753a5f87c2SThomas Wood * Zero on success, error code on failure. 49763a5f87c2SThomas Wood */ 49773a5f87c2SThomas Wood int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 49784d93914aSRob Clark struct drm_property *property, 49794d93914aSRob Clark uint64_t value) 49804d93914aSRob Clark { 49814d93914aSRob Clark int ret = -EINVAL; 49823a5f87c2SThomas Wood struct drm_mode_object *obj = &plane->base; 49834d93914aSRob Clark 49844d93914aSRob Clark if (plane->funcs->set_property) 49854d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 49864d93914aSRob Clark if (!ret) 49874d93914aSRob Clark drm_object_property_set_value(obj, property, value); 49884d93914aSRob Clark 49894d93914aSRob Clark return ret; 49904d93914aSRob Clark } 49913a5f87c2SThomas Wood EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); 49924d93914aSRob Clark 4993c8e32cc1SDaniel Vetter /** 49941a498633SDaniel Vetter * drm_mode_obj_get_properties_ioctl - get the current value of a object's property 4995c8e32cc1SDaniel Vetter * @dev: DRM device 4996c8e32cc1SDaniel Vetter * @data: ioctl data 4997c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4998c8e32cc1SDaniel Vetter * 4999c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 5000c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 5001c8e32cc1SDaniel Vetter * plane objects. 5002c8e32cc1SDaniel Vetter * 5003c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5004c8e32cc1SDaniel Vetter * 5005c8e32cc1SDaniel Vetter * Returns: 50061a498633SDaniel Vetter * Zero on success, negative errno on failure. 5007c8e32cc1SDaniel Vetter */ 5008c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 5009c543188aSPaulo Zanoni struct drm_file *file_priv) 5010c543188aSPaulo Zanoni { 5011c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 5012c543188aSPaulo Zanoni struct drm_mode_object *obj; 5013c543188aSPaulo Zanoni int ret = 0; 5014c543188aSPaulo Zanoni 5015c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5016c543188aSPaulo Zanoni return -EINVAL; 5017c543188aSPaulo Zanoni 501884849903SDaniel Vetter drm_modeset_lock_all(dev); 5019c543188aSPaulo Zanoni 5020c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 5021c543188aSPaulo Zanoni if (!obj) { 5022f27657f2SVille Syrjälä ret = -ENOENT; 5023c543188aSPaulo Zanoni goto out; 5024c543188aSPaulo Zanoni } 5025c543188aSPaulo Zanoni if (!obj->properties) { 5026c543188aSPaulo Zanoni ret = -EINVAL; 5027c543188aSPaulo Zanoni goto out; 5028c543188aSPaulo Zanoni } 5029c543188aSPaulo Zanoni 503088a48e29SRob Clark ret = get_properties(obj, file_priv->atomic, 503195cbf110SRob Clark (uint32_t __user *)(unsigned long)(arg->props_ptr), 503295cbf110SRob Clark (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), 503395cbf110SRob Clark &arg->count_props); 5034c543188aSPaulo Zanoni 5035c543188aSPaulo Zanoni out: 503684849903SDaniel Vetter drm_modeset_unlock_all(dev); 5037c543188aSPaulo Zanoni return ret; 5038c543188aSPaulo Zanoni } 5039c543188aSPaulo Zanoni 5040c8e32cc1SDaniel Vetter /** 5041c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 5042c8e32cc1SDaniel Vetter * @dev: DRM device 5043c8e32cc1SDaniel Vetter * @data: ioctl data 5044c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5045c8e32cc1SDaniel Vetter * 5046c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 5047c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 5048c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 5049c8e32cc1SDaniel Vetter * crtc and plane objects. 5050c8e32cc1SDaniel Vetter * 5051c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5052c8e32cc1SDaniel Vetter * 5053c8e32cc1SDaniel Vetter * Returns: 50541a498633SDaniel Vetter * Zero on success, negative errno on failure. 5055c8e32cc1SDaniel Vetter */ 5056c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 5057c543188aSPaulo Zanoni struct drm_file *file_priv) 5058c543188aSPaulo Zanoni { 5059c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 5060c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 5061c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 5062c543188aSPaulo Zanoni struct drm_property *property; 50633843e71fSRob Clark int i, ret = -EINVAL; 50643843e71fSRob Clark struct drm_mode_object *ref; 5065c543188aSPaulo Zanoni 5066c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5067c543188aSPaulo Zanoni return -EINVAL; 5068c543188aSPaulo Zanoni 506984849903SDaniel Vetter drm_modeset_lock_all(dev); 5070c543188aSPaulo Zanoni 5071c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 5072f27657f2SVille Syrjälä if (!arg_obj) { 5073f27657f2SVille Syrjälä ret = -ENOENT; 5074c543188aSPaulo Zanoni goto out; 5075f27657f2SVille Syrjälä } 5076c543188aSPaulo Zanoni if (!arg_obj->properties) 5077c543188aSPaulo Zanoni goto out; 5078c543188aSPaulo Zanoni 50797f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 5080b17cd757SRob Clark if (arg_obj->properties->properties[i]->base.id == arg->prop_id) 5081c543188aSPaulo Zanoni break; 5082c543188aSPaulo Zanoni 50837f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 5084c543188aSPaulo Zanoni goto out; 5085c543188aSPaulo Zanoni 5086c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 5087c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 5088f27657f2SVille Syrjälä if (!prop_obj) { 5089f27657f2SVille Syrjälä ret = -ENOENT; 5090c543188aSPaulo Zanoni goto out; 5091f27657f2SVille Syrjälä } 5092c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 5093c543188aSPaulo Zanoni 50943843e71fSRob Clark if (!drm_property_change_valid_get(property, arg->value, &ref)) 5095c543188aSPaulo Zanoni goto out; 5096c543188aSPaulo Zanoni 5097c543188aSPaulo Zanoni switch (arg_obj->type) { 5098c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 5099c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 5100c543188aSPaulo Zanoni arg->value); 5101c543188aSPaulo Zanoni break; 5102bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 5103bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 5104bffd9de0SPaulo Zanoni break; 51054d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 51063a5f87c2SThomas Wood ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), 51073a5f87c2SThomas Wood property, arg->value); 51084d93914aSRob Clark break; 5109c543188aSPaulo Zanoni } 5110c543188aSPaulo Zanoni 51113843e71fSRob Clark drm_property_change_valid_put(property, ref); 51123843e71fSRob Clark 5113c543188aSPaulo Zanoni out: 511484849903SDaniel Vetter drm_modeset_unlock_all(dev); 5115c543188aSPaulo Zanoni return ret; 5116c543188aSPaulo Zanoni } 5117c543188aSPaulo Zanoni 5118c8e32cc1SDaniel Vetter /** 5119c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 5120c8e32cc1SDaniel Vetter * @connector: connector to attach 5121c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 5122c8e32cc1SDaniel Vetter * 5123c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 5124c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 5125c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 5126c8e32cc1SDaniel Vetter * 5127c8e32cc1SDaniel Vetter * Returns: 51281a498633SDaniel Vetter * Zero on success, negative errno on failure. 5129c8e32cc1SDaniel Vetter */ 5130f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 5131f453ba04SDave Airlie struct drm_encoder *encoder) 5132f453ba04SDave Airlie { 5133f453ba04SDave Airlie int i; 5134f453ba04SDave Airlie 5135eb47fe80SThierry Reding /* 5136eb47fe80SThierry Reding * In the past, drivers have attempted to model the static association 5137eb47fe80SThierry Reding * of connector to encoder in simple connector/encoder devices using a 5138eb47fe80SThierry Reding * direct assignment of connector->encoder = encoder. This connection 5139eb47fe80SThierry Reding * is a logical one and the responsibility of the core, so drivers are 5140eb47fe80SThierry Reding * expected not to mess with this. 5141eb47fe80SThierry Reding * 5142eb47fe80SThierry Reding * Note that the error return should've been enough here, but a large 5143eb47fe80SThierry Reding * majority of drivers ignores the return value, so add in a big WARN 5144eb47fe80SThierry Reding * to get people's attention. 5145eb47fe80SThierry Reding */ 5146eb47fe80SThierry Reding if (WARN_ON(connector->encoder)) 5147eb47fe80SThierry Reding return -EINVAL; 5148eb47fe80SThierry Reding 5149f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 5150f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 5151f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 5152f453ba04SDave Airlie return 0; 5153f453ba04SDave Airlie } 5154f453ba04SDave Airlie } 5155f453ba04SDave Airlie return -ENOMEM; 5156f453ba04SDave Airlie } 5157f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 5158f453ba04SDave Airlie 5159c8e32cc1SDaniel Vetter /** 5160c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 5161c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 5162c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 5163c8e32cc1SDaniel Vetter * 5164c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 5165c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 5166c8e32cc1SDaniel Vetter * fixed gamma table size. 5167c8e32cc1SDaniel Vetter * 5168c8e32cc1SDaniel Vetter * Returns: 51691a498633SDaniel Vetter * Zero on success, negative errno on failure. 5170c8e32cc1SDaniel Vetter */ 51714cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 5172f453ba04SDave Airlie int gamma_size) 5173f453ba04SDave Airlie { 5174f453ba04SDave Airlie crtc->gamma_size = gamma_size; 5175f453ba04SDave Airlie 5176bd3f0ff9SThierry Reding crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, 5177bd3f0ff9SThierry Reding GFP_KERNEL); 5178f453ba04SDave Airlie if (!crtc->gamma_store) { 5179f453ba04SDave Airlie crtc->gamma_size = 0; 51804cae5b84SSascha Hauer return -ENOMEM; 5181f453ba04SDave Airlie } 5182f453ba04SDave Airlie 51834cae5b84SSascha Hauer return 0; 5184f453ba04SDave Airlie } 5185f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 5186f453ba04SDave Airlie 5187c8e32cc1SDaniel Vetter /** 5188c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 5189c8e32cc1SDaniel Vetter * @dev: DRM device 5190c8e32cc1SDaniel Vetter * @data: ioctl data 5191c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5192c8e32cc1SDaniel Vetter * 5193c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 5194c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 5195c8e32cc1SDaniel Vetter * 5196c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5197c8e32cc1SDaniel Vetter * 5198c8e32cc1SDaniel Vetter * Returns: 51991a498633SDaniel Vetter * Zero on success, negative errno on failure. 5200c8e32cc1SDaniel Vetter */ 5201f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 5202f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5203f453ba04SDave Airlie { 5204f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5205f453ba04SDave Airlie struct drm_crtc *crtc; 5206f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5207f453ba04SDave Airlie int size; 5208f453ba04SDave Airlie int ret = 0; 5209f453ba04SDave Airlie 5210fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5211fb3b06c8SDave Airlie return -EINVAL; 5212fb3b06c8SDave Airlie 521384849903SDaniel Vetter drm_modeset_lock_all(dev); 5214a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5215a2b34e22SRob Clark if (!crtc) { 5216f27657f2SVille Syrjälä ret = -ENOENT; 5217f453ba04SDave Airlie goto out; 5218f453ba04SDave Airlie } 5219f453ba04SDave Airlie 5220ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 5221ebe0f244SLaurent Pinchart ret = -ENOSYS; 5222ebe0f244SLaurent Pinchart goto out; 5223ebe0f244SLaurent Pinchart } 5224ebe0f244SLaurent Pinchart 5225f453ba04SDave Airlie /* memcpy into gamma store */ 5226f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5227f453ba04SDave Airlie ret = -EINVAL; 5228f453ba04SDave Airlie goto out; 5229f453ba04SDave Airlie } 5230f453ba04SDave Airlie 5231f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5232f453ba04SDave Airlie r_base = crtc->gamma_store; 5233f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 5234f453ba04SDave Airlie ret = -EFAULT; 5235f453ba04SDave Airlie goto out; 5236f453ba04SDave Airlie } 5237f453ba04SDave Airlie 5238f453ba04SDave Airlie g_base = r_base + size; 5239f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 5240f453ba04SDave Airlie ret = -EFAULT; 5241f453ba04SDave Airlie goto out; 5242f453ba04SDave Airlie } 5243f453ba04SDave Airlie 5244f453ba04SDave Airlie b_base = g_base + size; 5245f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 5246f453ba04SDave Airlie ret = -EFAULT; 5247f453ba04SDave Airlie goto out; 5248f453ba04SDave Airlie } 5249f453ba04SDave Airlie 52507203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 5251f453ba04SDave Airlie 5252f453ba04SDave Airlie out: 525384849903SDaniel Vetter drm_modeset_unlock_all(dev); 5254f453ba04SDave Airlie return ret; 5255f453ba04SDave Airlie 5256f453ba04SDave Airlie } 5257f453ba04SDave Airlie 5258c8e32cc1SDaniel Vetter /** 5259c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 5260c8e32cc1SDaniel Vetter * @dev: DRM device 5261c8e32cc1SDaniel Vetter * @data: ioctl data 5262c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5263c8e32cc1SDaniel Vetter * 5264c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 5265c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 5266c8e32cc1SDaniel Vetter * allocated storage. 5267c8e32cc1SDaniel Vetter * 5268c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5269c8e32cc1SDaniel Vetter * 5270c8e32cc1SDaniel Vetter * Returns: 52711a498633SDaniel Vetter * Zero on success, negative errno on failure. 5272c8e32cc1SDaniel Vetter */ 5273f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 5274f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5275f453ba04SDave Airlie { 5276f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5277f453ba04SDave Airlie struct drm_crtc *crtc; 5278f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5279f453ba04SDave Airlie int size; 5280f453ba04SDave Airlie int ret = 0; 5281f453ba04SDave Airlie 5282fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5283fb3b06c8SDave Airlie return -EINVAL; 5284fb3b06c8SDave Airlie 528584849903SDaniel Vetter drm_modeset_lock_all(dev); 5286a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5287a2b34e22SRob Clark if (!crtc) { 5288f27657f2SVille Syrjälä ret = -ENOENT; 5289f453ba04SDave Airlie goto out; 5290f453ba04SDave Airlie } 5291f453ba04SDave Airlie 5292f453ba04SDave Airlie /* memcpy into gamma store */ 5293f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5294f453ba04SDave Airlie ret = -EINVAL; 5295f453ba04SDave Airlie goto out; 5296f453ba04SDave Airlie } 5297f453ba04SDave Airlie 5298f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5299f453ba04SDave Airlie r_base = crtc->gamma_store; 5300f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 5301f453ba04SDave Airlie ret = -EFAULT; 5302f453ba04SDave Airlie goto out; 5303f453ba04SDave Airlie } 5304f453ba04SDave Airlie 5305f453ba04SDave Airlie g_base = r_base + size; 5306f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 5307f453ba04SDave Airlie ret = -EFAULT; 5308f453ba04SDave Airlie goto out; 5309f453ba04SDave Airlie } 5310f453ba04SDave Airlie 5311f453ba04SDave Airlie b_base = g_base + size; 5312f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 5313f453ba04SDave Airlie ret = -EFAULT; 5314f453ba04SDave Airlie goto out; 5315f453ba04SDave Airlie } 5316f453ba04SDave Airlie out: 531784849903SDaniel Vetter drm_modeset_unlock_all(dev); 5318f453ba04SDave Airlie return ret; 5319f453ba04SDave Airlie } 5320d91d8a3fSKristian Høgsberg 5321c8e32cc1SDaniel Vetter /** 5322c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 5323c8e32cc1SDaniel Vetter * @dev: DRM device 5324c8e32cc1SDaniel Vetter * @data: ioctl data 5325c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5326c8e32cc1SDaniel Vetter * 5327c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 5328c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 5329c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 5330c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 5331c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 5332c8e32cc1SDaniel Vetter * ioctl. 5333c8e32cc1SDaniel Vetter * 5334c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5335c8e32cc1SDaniel Vetter * 5336c8e32cc1SDaniel Vetter * Returns: 53371a498633SDaniel Vetter * Zero on success, negative errno on failure. 5338c8e32cc1SDaniel Vetter */ 5339d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 5340d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 5341d91d8a3fSKristian Høgsberg { 5342d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 5343d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 53443d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 5345d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 5346d91d8a3fSKristian Høgsberg int ret = -EINVAL; 5347d91d8a3fSKristian Høgsberg 5348d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 5349d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 5350d91d8a3fSKristian Høgsberg return -EINVAL; 5351d91d8a3fSKristian Høgsberg 535262f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 535362f2104fSKeith Packard return -EINVAL; 535462f2104fSKeith Packard 5355a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 5356a2b34e22SRob Clark if (!crtc) 5357f27657f2SVille Syrjälä return -ENOENT; 5358d91d8a3fSKristian Høgsberg 53594d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 5360f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 536190c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 536290c1efddSChris Wilson * due to a hotplug event, that userspace has not 536390c1efddSChris Wilson * yet discovered. 536490c1efddSChris Wilson */ 536590c1efddSChris Wilson ret = -EBUSY; 536690c1efddSChris Wilson goto out; 536790c1efddSChris Wilson } 536890c1efddSChris Wilson 5369d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 5370d91d8a3fSKristian Høgsberg goto out; 5371d91d8a3fSKristian Høgsberg 5372786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 537337c4e705SVille Syrjälä if (!fb) { 537437c4e705SVille Syrjälä ret = -ENOENT; 5375d91d8a3fSKristian Høgsberg goto out; 537637c4e705SVille Syrjälä } 5377d91d8a3fSKristian Høgsberg 53782afa701dSVille Syrjälä if (crtc->state) { 53792afa701dSVille Syrjälä const struct drm_plane_state *state = crtc->primary->state; 53802afa701dSVille Syrjälä 53812afa701dSVille Syrjälä ret = check_src_coords(state->src_x, state->src_y, 53822afa701dSVille Syrjälä state->src_w, state->src_h, fb); 53832afa701dSVille Syrjälä } else { 5384c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 53852afa701dSVille Syrjälä } 5386c11e9283SDamien Lespiau if (ret) 53875f61bb42SVille Syrjälä goto out; 53885f61bb42SVille Syrjälä 5389f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 5390909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 5391909d9cdaSLaurent Pinchart ret = -EINVAL; 5392909d9cdaSLaurent Pinchart goto out; 5393909d9cdaSLaurent Pinchart } 5394909d9cdaSLaurent Pinchart 5395d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 53962dd500f1SDaniel Vetter e = kzalloc(sizeof *e, GFP_KERNEL); 53972dd500f1SDaniel Vetter if (!e) { 5398d91d8a3fSKristian Høgsberg ret = -ENOMEM; 5399d91d8a3fSKristian Høgsberg goto out; 5400d91d8a3fSKristian Høgsberg } 54017bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 5402f76511b9SThierry Reding e->event.base.length = sizeof(e->event); 5403d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 54042dd500f1SDaniel Vetter ret = drm_event_reserve_init(dev, file_priv, &e->base, &e->event.base); 54052dd500f1SDaniel Vetter if (ret) { 54062dd500f1SDaniel Vetter kfree(e); 54072dd500f1SDaniel Vetter goto out; 54082dd500f1SDaniel Vetter } 5409d91d8a3fSKristian Høgsberg } 5410d91d8a3fSKristian Høgsberg 54113d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 5412ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 5413d91d8a3fSKristian Høgsberg if (ret) { 54142dd500f1SDaniel Vetter if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) 54152dd500f1SDaniel Vetter drm_event_cancel_free(dev, &e->base); 5416b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 54173d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5418b0d12325SDaniel Vetter } else { 54193cb43cc0SDaniel Vetter crtc->primary->fb = fb; 5420b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 5421b0d12325SDaniel Vetter fb = NULL; 5422aef6a7eeSJoonyoung Shim } 5423d91d8a3fSKristian Høgsberg 5424d91d8a3fSKristian Høgsberg out: 5425b0d12325SDaniel Vetter if (fb) 5426b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 54273d30a59bSDaniel Vetter if (crtc->primary->old_fb) 54283d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 54293d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5430d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 5431b4d5e7d1SDaniel Vetter 5432d91d8a3fSKristian Høgsberg return ret; 5433d91d8a3fSKristian Høgsberg } 5434eb033556SChris Wilson 5435c8e32cc1SDaniel Vetter /** 5436c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 5437c8e32cc1SDaniel Vetter * @dev: drm device 5438c8e32cc1SDaniel Vetter * 5439c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 5440c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 5441c8e32cc1SDaniel Vetter * reset hardware and software state. 5442c8e32cc1SDaniel Vetter */ 5443eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 5444eb033556SChris Wilson { 5445eb033556SChris Wilson struct drm_crtc *crtc; 54462a0d7cfdSDaniel Vetter struct drm_plane *plane; 5447eb033556SChris Wilson struct drm_encoder *encoder; 5448eb033556SChris Wilson struct drm_connector *connector; 5449eb033556SChris Wilson 5450e4f62546SDaniel Vetter drm_for_each_plane(plane, dev) 54512a0d7cfdSDaniel Vetter if (plane->funcs->reset) 54522a0d7cfdSDaniel Vetter plane->funcs->reset(plane); 54532a0d7cfdSDaniel Vetter 5454e4f62546SDaniel Vetter drm_for_each_crtc(crtc, dev) 5455eb033556SChris Wilson if (crtc->funcs->reset) 5456eb033556SChris Wilson crtc->funcs->reset(crtc); 5457eb033556SChris Wilson 5458e4f62546SDaniel Vetter drm_for_each_encoder(encoder, dev) 5459eb033556SChris Wilson if (encoder->funcs->reset) 5460eb033556SChris Wilson encoder->funcs->reset(encoder); 5461eb033556SChris Wilson 5462f8c2ba31SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 54634eebf60bSDave Airlie drm_for_each_connector(connector, dev) 5464eb033556SChris Wilson if (connector->funcs->reset) 5465eb033556SChris Wilson connector->funcs->reset(connector); 5466f8c2ba31SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 54675e2cb2f6SDaniel Vetter } 5468eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 5469ff72145bSDave Airlie 5470c8e32cc1SDaniel Vetter /** 5471c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 5472c8e32cc1SDaniel Vetter * @dev: DRM device 5473c8e32cc1SDaniel Vetter * @data: ioctl data 5474c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5475c8e32cc1SDaniel Vetter * 5476c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 5477c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 5478c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 5479c8e32cc1SDaniel Vetter * 5480c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 5481c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 5482c8e32cc1SDaniel Vetter * case. 5483c8e32cc1SDaniel Vetter * 5484c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5485c8e32cc1SDaniel Vetter * 5486c8e32cc1SDaniel Vetter * Returns: 54871a498633SDaniel Vetter * Zero on success, negative errno on failure. 5488c8e32cc1SDaniel Vetter */ 5489ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 5490ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5491ff72145bSDave Airlie { 5492ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 5493b28cd41fSDavid Herrmann u32 cpp, stride, size; 5494ff72145bSDave Airlie 5495ff72145bSDave Airlie if (!dev->driver->dumb_create) 5496ff72145bSDave Airlie return -ENOSYS; 5497b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 5498b28cd41fSDavid Herrmann return -EINVAL; 5499b28cd41fSDavid Herrmann 5500b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 550100e72089SDavid Herrmann /* NOTE: DIV_ROUND_UP() can overflow */ 5502b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 550300e72089SDavid Herrmann if (!cpp || cpp > 0xffffffffU / args->width) 5504b28cd41fSDavid Herrmann return -EINVAL; 5505b28cd41fSDavid Herrmann stride = cpp * args->width; 5506b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 5507b28cd41fSDavid Herrmann return -EINVAL; 5508b28cd41fSDavid Herrmann 5509b28cd41fSDavid Herrmann /* test for wrap-around */ 5510b28cd41fSDavid Herrmann size = args->height * stride; 5511b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 5512b28cd41fSDavid Herrmann return -EINVAL; 5513b28cd41fSDavid Herrmann 5514f6085952SThierry Reding /* 5515f6085952SThierry Reding * handle, pitch and size are output parameters. Zero them out to 5516f6085952SThierry Reding * prevent drivers from accidentally using uninitialized data. Since 5517f6085952SThierry Reding * not all existing userspace is clearing these fields properly we 5518f6085952SThierry Reding * cannot reject IOCTL with garbage in them. 5519f6085952SThierry Reding */ 5520f6085952SThierry Reding args->handle = 0; 5521f6085952SThierry Reding args->pitch = 0; 5522f6085952SThierry Reding args->size = 0; 5523f6085952SThierry Reding 5524ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 5525ff72145bSDave Airlie } 5526ff72145bSDave Airlie 5527c8e32cc1SDaniel Vetter /** 5528c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 5529c8e32cc1SDaniel Vetter * @dev: DRM device 5530c8e32cc1SDaniel Vetter * @data: ioctl data 5531c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5532c8e32cc1SDaniel Vetter * 5533c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 5534c8e32cc1SDaniel Vetter * memory map a dumb buffer. 5535c8e32cc1SDaniel Vetter * 5536c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5537c8e32cc1SDaniel Vetter * 5538c8e32cc1SDaniel Vetter * Returns: 55391a498633SDaniel Vetter * Zero on success, negative errno on failure. 5540c8e32cc1SDaniel Vetter */ 5541ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 5542ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5543ff72145bSDave Airlie { 5544ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 5545ff72145bSDave Airlie 5546ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 5547ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 5548ff72145bSDave Airlie return -ENOSYS; 5549ff72145bSDave Airlie 5550ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 5551ff72145bSDave Airlie } 5552ff72145bSDave Airlie 5553c8e32cc1SDaniel Vetter /** 5554c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 5555c8e32cc1SDaniel Vetter * @dev: DRM device 5556c8e32cc1SDaniel Vetter * @data: ioctl data 5557c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5558c8e32cc1SDaniel Vetter * 5559c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 5560c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 5561c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 5562c8e32cc1SDaniel Vetter * 5563c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5564c8e32cc1SDaniel Vetter * 5565c8e32cc1SDaniel Vetter * Returns: 55661a498633SDaniel Vetter * Zero on success, negative errno on failure. 5567c8e32cc1SDaniel Vetter */ 5568ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 5569ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5570ff72145bSDave Airlie { 5571ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 5572ff72145bSDave Airlie 5573ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 5574ff72145bSDave Airlie return -ENOSYS; 5575ff72145bSDave Airlie 5576ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 5577ff72145bSDave Airlie } 5578248dbc23SDave Airlie 5579c8e32cc1SDaniel Vetter /** 5580c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 5581c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 5582c8e32cc1SDaniel Vetter * @depth: storage for the depth value 5583c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 5584c8e32cc1SDaniel Vetter * 5585c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 5586c8e32cc1SDaniel Vetter * pixel formats directly yet. 5587248dbc23SDave Airlie */ 5588248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 5589248dbc23SDave Airlie int *bpp) 5590248dbc23SDave Airlie { 5591248dbc23SDave Airlie switch (format) { 5592c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 559304b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 559404b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 5595248dbc23SDave Airlie *depth = 8; 5596248dbc23SDave Airlie *bpp = 8; 5597248dbc23SDave Airlie break; 559804b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 559904b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 560004b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 560104b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 560204b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 560304b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 560404b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 560504b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 5606248dbc23SDave Airlie *depth = 15; 5607248dbc23SDave Airlie *bpp = 16; 5608248dbc23SDave Airlie break; 560904b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 561004b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 5611248dbc23SDave Airlie *depth = 16; 5612248dbc23SDave Airlie *bpp = 16; 5613248dbc23SDave Airlie break; 561404b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 561504b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 561604b3924dSVille Syrjälä *depth = 24; 561704b3924dSVille Syrjälä *bpp = 24; 561804b3924dSVille Syrjälä break; 561904b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 562004b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 562104b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 562204b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 5623248dbc23SDave Airlie *depth = 24; 5624248dbc23SDave Airlie *bpp = 32; 5625248dbc23SDave Airlie break; 562604b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 562704b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 562804b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 562904b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 563004b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 563104b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 563204b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 563304b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 5634248dbc23SDave Airlie *depth = 30; 5635248dbc23SDave Airlie *bpp = 32; 5636248dbc23SDave Airlie break; 563704b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 563804b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 563904b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 564004b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 5641248dbc23SDave Airlie *depth = 32; 5642248dbc23SDave Airlie *bpp = 32; 5643248dbc23SDave Airlie break; 5644248dbc23SDave Airlie default: 564523c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 564623c453a4SVille Syrjälä drm_get_format_name(format)); 5647248dbc23SDave Airlie *depth = 0; 5648248dbc23SDave Airlie *bpp = 0; 5649248dbc23SDave Airlie break; 5650248dbc23SDave Airlie } 5651248dbc23SDave Airlie } 5652248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 5653141670e9SVille Syrjälä 5654141670e9SVille Syrjälä /** 5655141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 5656141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 5657141670e9SVille Syrjälä * 5658c8e32cc1SDaniel Vetter * Returns: 5659141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 5660141670e9SVille Syrjälä */ 5661141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 5662141670e9SVille Syrjälä { 5663141670e9SVille Syrjälä switch (format) { 5664141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 5665141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 5666141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 5667141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 5668141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 5669141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 5670141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 5671141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 5672141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 5673141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 5674141670e9SVille Syrjälä return 3; 5675141670e9SVille Syrjälä case DRM_FORMAT_NV12: 5676141670e9SVille Syrjälä case DRM_FORMAT_NV21: 5677141670e9SVille Syrjälä case DRM_FORMAT_NV16: 5678141670e9SVille Syrjälä case DRM_FORMAT_NV61: 5679ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5680ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 5681141670e9SVille Syrjälä return 2; 5682141670e9SVille Syrjälä default: 5683141670e9SVille Syrjälä return 1; 5684141670e9SVille Syrjälä } 5685141670e9SVille Syrjälä } 5686141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 56875a86bd55SVille Syrjälä 56885a86bd55SVille Syrjälä /** 56895a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 56905a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 56915a86bd55SVille Syrjälä * @plane: plane index 56925a86bd55SVille Syrjälä * 5693c8e32cc1SDaniel Vetter * Returns: 56945a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 56955a86bd55SVille Syrjälä */ 56965a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 56975a86bd55SVille Syrjälä { 56985a86bd55SVille Syrjälä unsigned int depth; 56995a86bd55SVille Syrjälä int bpp; 57005a86bd55SVille Syrjälä 57015a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 57025a86bd55SVille Syrjälä return 0; 57035a86bd55SVille Syrjälä 57045a86bd55SVille Syrjälä switch (format) { 57055a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 57065a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 57075a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 57085a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 57095a86bd55SVille Syrjälä return 2; 57105a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 57115a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 57125a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 57135a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 5714ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5715ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 57165a86bd55SVille Syrjälä return plane ? 2 : 1; 57175a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 57185a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 57195a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 57205a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 57215a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 57225a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 57235a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 57245a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 57255a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 57265a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 57275a86bd55SVille Syrjälä return 1; 57285a86bd55SVille Syrjälä default: 57295a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 57305a86bd55SVille Syrjälä return bpp >> 3; 57315a86bd55SVille Syrjälä } 57325a86bd55SVille Syrjälä } 57335a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 573401b68b04SVille Syrjälä 573501b68b04SVille Syrjälä /** 573601b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 573701b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 573801b68b04SVille Syrjälä * 5739c8e32cc1SDaniel Vetter * Returns: 574001b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 574101b68b04SVille Syrjälä * specified pixel format. 574201b68b04SVille Syrjälä */ 574301b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 574401b68b04SVille Syrjälä { 574501b68b04SVille Syrjälä switch (format) { 574601b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 574701b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 574801b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 574901b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 575001b68b04SVille Syrjälä return 4; 575101b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 575201b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 575301b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 575401b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 575501b68b04SVille Syrjälä case DRM_FORMAT_NV12: 575601b68b04SVille Syrjälä case DRM_FORMAT_NV21: 575701b68b04SVille Syrjälä case DRM_FORMAT_NV16: 575801b68b04SVille Syrjälä case DRM_FORMAT_NV61: 575901b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 576001b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 576101b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 576201b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 576301b68b04SVille Syrjälä return 2; 576401b68b04SVille Syrjälä default: 576501b68b04SVille Syrjälä return 1; 576601b68b04SVille Syrjälä } 576701b68b04SVille Syrjälä } 576801b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 576901b68b04SVille Syrjälä 577001b68b04SVille Syrjälä /** 577101b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 577201b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 577301b68b04SVille Syrjälä * 5774c8e32cc1SDaniel Vetter * Returns: 577501b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 577601b68b04SVille Syrjälä * specified pixel format. 577701b68b04SVille Syrjälä */ 577801b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 577901b68b04SVille Syrjälä { 578001b68b04SVille Syrjälä switch (format) { 578101b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 578201b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 578301b68b04SVille Syrjälä return 4; 578401b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 578501b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 578601b68b04SVille Syrjälä case DRM_FORMAT_NV12: 578701b68b04SVille Syrjälä case DRM_FORMAT_NV21: 578801b68b04SVille Syrjälä return 2; 578901b68b04SVille Syrjälä default: 579001b68b04SVille Syrjälä return 1; 579101b68b04SVille Syrjälä } 579201b68b04SVille Syrjälä } 579301b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 579487d24fc3SLaurent Pinchart 579587d24fc3SLaurent Pinchart /** 57964c61716cSVille Syrjälä * drm_format_plane_width - width of the plane given the first plane 57974c61716cSVille Syrjälä * @width: width of the first plane 57984c61716cSVille Syrjälä * @format: pixel format 57994c61716cSVille Syrjälä * @plane: plane index 58004c61716cSVille Syrjälä * 58014c61716cSVille Syrjälä * Returns: 58024c61716cSVille Syrjälä * The width of @plane, given that the width of the first plane is @width. 58034c61716cSVille Syrjälä */ 58044c61716cSVille Syrjälä int drm_format_plane_width(int width, uint32_t format, int plane) 58054c61716cSVille Syrjälä { 58064c61716cSVille Syrjälä if (plane >= drm_format_num_planes(format)) 58074c61716cSVille Syrjälä return 0; 58084c61716cSVille Syrjälä 58094c61716cSVille Syrjälä if (plane == 0) 58104c61716cSVille Syrjälä return width; 58114c61716cSVille Syrjälä 58124c61716cSVille Syrjälä return width / drm_format_horz_chroma_subsampling(format); 58134c61716cSVille Syrjälä } 58144c61716cSVille Syrjälä EXPORT_SYMBOL(drm_format_plane_width); 58154c61716cSVille Syrjälä 58164c61716cSVille Syrjälä /** 58174c61716cSVille Syrjälä * drm_format_plane_height - height of the plane given the first plane 58184c61716cSVille Syrjälä * @height: height of the first plane 58194c61716cSVille Syrjälä * @format: pixel format 58204c61716cSVille Syrjälä * @plane: plane index 58214c61716cSVille Syrjälä * 58224c61716cSVille Syrjälä * Returns: 58234c61716cSVille Syrjälä * The height of @plane, given that the height of the first plane is @height. 58244c61716cSVille Syrjälä */ 58254c61716cSVille Syrjälä int drm_format_plane_height(int height, uint32_t format, int plane) 58264c61716cSVille Syrjälä { 58274c61716cSVille Syrjälä if (plane >= drm_format_num_planes(format)) 58284c61716cSVille Syrjälä return 0; 58294c61716cSVille Syrjälä 58304c61716cSVille Syrjälä if (plane == 0) 58314c61716cSVille Syrjälä return height; 58324c61716cSVille Syrjälä 58334c61716cSVille Syrjälä return height / drm_format_vert_chroma_subsampling(format); 58344c61716cSVille Syrjälä } 58354c61716cSVille Syrjälä EXPORT_SYMBOL(drm_format_plane_height); 58364c61716cSVille Syrjälä 58374c61716cSVille Syrjälä /** 58383c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 58393c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 58403c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 58413c9855f6SVille Syrjälä * 58423c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 58433c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 58443c9855f6SVille Syrjälä * one could call this function like this: 58453c9855f6SVille Syrjälä * 58463c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 58473c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 58483c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 58493c9855f6SVille Syrjälä * 58503c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 58513c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 58523c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 58533c9855f6SVille Syrjälä * check the result afterwards. 58543c9855f6SVille Syrjälä */ 58553c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 58563c9855f6SVille Syrjälä unsigned int supported_rotations) 58573c9855f6SVille Syrjälä { 58583c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 58593c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 586014152c8dSJoonas Lahtinen rotation = (rotation & DRM_REFLECT_MASK) | 586114152c8dSJoonas Lahtinen BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4); 58623c9855f6SVille Syrjälä } 58633c9855f6SVille Syrjälä 58643c9855f6SVille Syrjälä return rotation; 58653c9855f6SVille Syrjälä } 58663c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 58673c9855f6SVille Syrjälä 58683c9855f6SVille Syrjälä /** 586987d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 587087d24fc3SLaurent Pinchart * @dev: DRM device 587187d24fc3SLaurent Pinchart * 587287d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 587387d24fc3SLaurent Pinchart * configuration of @dev. 587487d24fc3SLaurent Pinchart * 587587d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 587687d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 587787d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 587887d24fc3SLaurent Pinchart * 587987d24fc3SLaurent Pinchart */ 588087d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 588187d24fc3SLaurent Pinchart { 588287d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 588351fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 588487d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 588587d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 58868fb6e7a5SDaniel Stone mutex_init(&dev->mode_config.blob_lock); 588787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 588887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 588987d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 589087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 589187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 589287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 589387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 589487d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 5895138f9ebbSDave Airlie idr_init(&dev->mode_config.tile_idr); 58965fff80bbSMaarten Lankhorst ida_init(&dev->mode_config.connector_ida); 589787d24fc3SLaurent Pinchart 589887d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 58996b4959f4SRob Clark drm_mode_create_standard_properties(dev); 590087d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 590187d24fc3SLaurent Pinchart 590287d24fc3SLaurent Pinchart /* Just to be sure */ 590387d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 590487d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 590587d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 590687d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5907e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5908e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 590987d24fc3SLaurent Pinchart } 591087d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 591187d24fc3SLaurent Pinchart 591287d24fc3SLaurent Pinchart /** 591387d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 591487d24fc3SLaurent Pinchart * @dev: DRM device 591587d24fc3SLaurent Pinchart * 591687d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 591787d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 591887d24fc3SLaurent Pinchart * 591987d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 592087d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 592187d24fc3SLaurent Pinchart * this guarantee actually holds true. 592287d24fc3SLaurent Pinchart * 592387d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 592487d24fc3SLaurent Pinchart */ 592587d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 592687d24fc3SLaurent Pinchart { 592787d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 592887d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 592987d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 593087d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 593187d24fc3SLaurent Pinchart struct drm_property *property, *pt; 593287d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 593387d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 593487d24fc3SLaurent Pinchart 593587d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 593687d24fc3SLaurent Pinchart head) { 593787d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 593887d24fc3SLaurent Pinchart } 593987d24fc3SLaurent Pinchart 594087d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 594187d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 594287d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 594387d24fc3SLaurent Pinchart } 594487d24fc3SLaurent Pinchart 594587d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 594687d24fc3SLaurent Pinchart head) { 594787d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 594887d24fc3SLaurent Pinchart } 594987d24fc3SLaurent Pinchart 5950f35034f8SMaarten Lankhorst list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 5951f35034f8SMaarten Lankhorst head) { 5952f35034f8SMaarten Lankhorst plane->funcs->destroy(plane); 5953f35034f8SMaarten Lankhorst } 5954f35034f8SMaarten Lankhorst 5955f35034f8SMaarten Lankhorst list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 5956f35034f8SMaarten Lankhorst crtc->funcs->destroy(crtc); 5957f35034f8SMaarten Lankhorst } 5958f35034f8SMaarten Lankhorst 595987d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 5960e2f5d2eaSDaniel Stone head_global) { 59616bcacf51SDaniel Stone drm_property_unreference_blob(blob); 596287d24fc3SLaurent Pinchart } 596387d24fc3SLaurent Pinchart 596487d24fc3SLaurent Pinchart /* 596587d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 596687d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 596787d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 596887d24fc3SLaurent Pinchart * 596987d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 597087d24fc3SLaurent Pinchart * so politely WARN about this. 597187d24fc3SLaurent Pinchart */ 597287d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 597387d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 5974c099b55aSMaarten Lankhorst drm_framebuffer_free(&fb->refcount); 597587d24fc3SLaurent Pinchart } 597687d24fc3SLaurent Pinchart 59775fff80bbSMaarten Lankhorst ida_destroy(&dev->mode_config.connector_ida); 5978138f9ebbSDave Airlie idr_destroy(&dev->mode_config.tile_idr); 597987d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 598051fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 598187d24fc3SLaurent Pinchart } 598287d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5983c1df5f3cSVille Syrjälä 5984c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5985c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5986c1df5f3cSVille Syrjälä { 5987c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5988c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5989c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5990c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5991c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5992c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5993c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5994c1df5f3cSVille Syrjälä }; 5995c1df5f3cSVille Syrjälä 5996c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5997c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5998c1df5f3cSVille Syrjälä supported_rotations); 5999c1df5f3cSVille Syrjälä } 6000c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 6001138f9ebbSDave Airlie 6002138f9ebbSDave Airlie /** 6003138f9ebbSDave Airlie * DOC: Tile group 6004138f9ebbSDave Airlie * 6005138f9ebbSDave Airlie * Tile groups are used to represent tiled monitors with a unique 6006138f9ebbSDave Airlie * integer identifier. Tiled monitors using DisplayID v1.3 have 6007138f9ebbSDave Airlie * a unique 8-byte handle, we store this in a tile group, so we 6008138f9ebbSDave Airlie * have a common identifier for all tiles in a monitor group. 6009138f9ebbSDave Airlie */ 6010138f9ebbSDave Airlie static void drm_tile_group_free(struct kref *kref) 6011138f9ebbSDave Airlie { 6012138f9ebbSDave Airlie struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); 6013138f9ebbSDave Airlie struct drm_device *dev = tg->dev; 6014138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6015138f9ebbSDave Airlie idr_remove(&dev->mode_config.tile_idr, tg->id); 6016138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6017138f9ebbSDave Airlie kfree(tg); 6018138f9ebbSDave Airlie } 6019138f9ebbSDave Airlie 6020138f9ebbSDave Airlie /** 6021138f9ebbSDave Airlie * drm_mode_put_tile_group - drop a reference to a tile group. 6022138f9ebbSDave Airlie * @dev: DRM device 6023138f9ebbSDave Airlie * @tg: tile group to drop reference to. 6024138f9ebbSDave Airlie * 6025138f9ebbSDave Airlie * drop reference to tile group and free if 0. 6026138f9ebbSDave Airlie */ 6027138f9ebbSDave Airlie void drm_mode_put_tile_group(struct drm_device *dev, 6028138f9ebbSDave Airlie struct drm_tile_group *tg) 6029138f9ebbSDave Airlie { 6030138f9ebbSDave Airlie kref_put(&tg->refcount, drm_tile_group_free); 6031138f9ebbSDave Airlie } 6032138f9ebbSDave Airlie 6033138f9ebbSDave Airlie /** 6034138f9ebbSDave Airlie * drm_mode_get_tile_group - get a reference to an existing tile group 6035138f9ebbSDave Airlie * @dev: DRM device 6036138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 6037138f9ebbSDave Airlie * 6038138f9ebbSDave Airlie * Use the unique bytes to get a reference to an existing tile group. 6039138f9ebbSDave Airlie * 6040138f9ebbSDave Airlie * RETURNS: 6041138f9ebbSDave Airlie * tile group or NULL if not found. 6042138f9ebbSDave Airlie */ 6043138f9ebbSDave Airlie struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, 6044138f9ebbSDave Airlie char topology[8]) 6045138f9ebbSDave Airlie { 6046138f9ebbSDave Airlie struct drm_tile_group *tg; 6047138f9ebbSDave Airlie int id; 6048138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6049138f9ebbSDave Airlie idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { 6050138f9ebbSDave Airlie if (!memcmp(tg->group_data, topology, 8)) { 6051138f9ebbSDave Airlie if (!kref_get_unless_zero(&tg->refcount)) 6052138f9ebbSDave Airlie tg = NULL; 6053138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6054138f9ebbSDave Airlie return tg; 6055138f9ebbSDave Airlie } 6056138f9ebbSDave Airlie } 6057138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6058138f9ebbSDave Airlie return NULL; 6059138f9ebbSDave Airlie } 606081ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_get_tile_group); 6061138f9ebbSDave Airlie 6062138f9ebbSDave Airlie /** 6063138f9ebbSDave Airlie * drm_mode_create_tile_group - create a tile group from a displayid description 6064138f9ebbSDave Airlie * @dev: DRM device 6065138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 6066138f9ebbSDave Airlie * 6067138f9ebbSDave Airlie * Create a tile group for the unique monitor, and get a unique 6068138f9ebbSDave Airlie * identifier for the tile group. 6069138f9ebbSDave Airlie * 6070138f9ebbSDave Airlie * RETURNS: 6071138f9ebbSDave Airlie * new tile group or error. 6072138f9ebbSDave Airlie */ 6073138f9ebbSDave Airlie struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, 6074138f9ebbSDave Airlie char topology[8]) 6075138f9ebbSDave Airlie { 6076138f9ebbSDave Airlie struct drm_tile_group *tg; 6077138f9ebbSDave Airlie int ret; 6078138f9ebbSDave Airlie 6079138f9ebbSDave Airlie tg = kzalloc(sizeof(*tg), GFP_KERNEL); 6080138f9ebbSDave Airlie if (!tg) 6081138f9ebbSDave Airlie return ERR_PTR(-ENOMEM); 6082138f9ebbSDave Airlie 6083138f9ebbSDave Airlie kref_init(&tg->refcount); 6084138f9ebbSDave Airlie memcpy(tg->group_data, topology, 8); 6085138f9ebbSDave Airlie tg->dev = dev; 6086138f9ebbSDave Airlie 6087138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6088138f9ebbSDave Airlie ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); 6089138f9ebbSDave Airlie if (ret >= 0) { 6090138f9ebbSDave Airlie tg->id = ret; 6091138f9ebbSDave Airlie } else { 6092138f9ebbSDave Airlie kfree(tg); 6093138f9ebbSDave Airlie tg = ERR_PTR(ret); 6094138f9ebbSDave Airlie } 6095138f9ebbSDave Airlie 6096138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6097138f9ebbSDave Airlie return tg; 6098138f9ebbSDave Airlie } 609981ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_create_tile_group); 6100