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 /** 326065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 327f453ba04SDave Airlie * @dev: DRM device 328065a50edSDaniel Vetter * @object: object to free 329f453ba04SDave Airlie * 330c8e32cc1SDaniel Vetter * Free @id from @dev's unique identifier pool. Note that despite the _get 331c8e32cc1SDaniel Vetter * postfix modeset identifiers are _not_ reference counted. Hence don't use this 332c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 333f453ba04SDave Airlie */ 3348bd441b2SDaniel Vetter void drm_mode_object_put(struct drm_device *dev, 335f453ba04SDave Airlie struct drm_mode_object *object) 336f453ba04SDave Airlie { 337ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 338f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 339ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 340f453ba04SDave Airlie } 341f453ba04SDave Airlie 34298f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 34398f75de4SRob Clark uint32_t id, uint32_t type) 34498f75de4SRob Clark { 34598f75de4SRob Clark struct drm_mode_object *obj = NULL; 34698f75de4SRob Clark 34798f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 34898f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 349168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 350168c02ecSDaniel Vetter obj = NULL; 351168c02ecSDaniel Vetter if (obj && obj->id != id) 352168c02ecSDaniel Vetter obj = NULL; 353168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 3546bcacf51SDaniel Stone if (obj && 3556bcacf51SDaniel Stone (obj->type == DRM_MODE_OBJECT_FB || 3566bcacf51SDaniel Stone obj->type == DRM_MODE_OBJECT_BLOB)) 35798f75de4SRob Clark obj = NULL; 35898f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 35998f75de4SRob Clark 36098f75de4SRob Clark return obj; 36198f75de4SRob Clark } 36298f75de4SRob Clark 363786b99edSDaniel Vetter /** 364786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 365786b99edSDaniel Vetter * @dev: drm device 366786b99edSDaniel Vetter * @id: id of the mode object 367786b99edSDaniel Vetter * @type: type of the mode object 368786b99edSDaniel Vetter * 369786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 37098f75de4SRob Clark * are reference counted, they need special treatment. Even with 37198f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 37298f75de4SRob Clark * rather than WARN_ON()). 373786b99edSDaniel Vetter */ 3747a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3757a9c9060SDaniel Vetter uint32_t id, uint32_t type) 376f453ba04SDave Airlie { 377ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 378f453ba04SDave Airlie 379786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 380786b99edSDaniel Vetter * function.*/ 3816bcacf51SDaniel Stone WARN_ON(type == DRM_MODE_OBJECT_FB || type == DRM_MODE_OBJECT_BLOB); 38298f75de4SRob Clark obj = _object_find(dev, id, type); 383f453ba04SDave Airlie return obj; 384f453ba04SDave Airlie } 385f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 386f453ba04SDave Airlie 387f453ba04SDave Airlie /** 388f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 389f453ba04SDave Airlie * @dev: DRM device 390065a50edSDaniel Vetter * @fb: framebuffer to be initialized 391065a50edSDaniel Vetter * @funcs: ... with these functions 392f453ba04SDave Airlie * 393f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 394f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 395f453ba04SDave Airlie * 3964b096ac1SDaniel Vetter * IMPORTANT: 3974b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 3984b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 3994b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 4004b096ac1SDaniel Vetter * locking but only correct reference counting is required. 4014b096ac1SDaniel Vetter * 402c8e32cc1SDaniel Vetter * Returns: 403af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 404f453ba04SDave Airlie */ 405f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 406f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 407f453ba04SDave Airlie { 408f453ba04SDave Airlie int ret; 409f453ba04SDave Airlie 4104b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 411f7eff60eSRob Clark kref_init(&fb->refcount); 4124b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4134b096ac1SDaniel Vetter fb->dev = dev; 4144b096ac1SDaniel Vetter fb->funcs = funcs; 415f7eff60eSRob Clark 416f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 4176bfc56aaSVille Syrjälä if (ret) 4184b096ac1SDaniel Vetter goto out; 419f453ba04SDave Airlie 420f453ba04SDave Airlie dev->mode_config.num_fb++; 421f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4224b096ac1SDaniel Vetter out: 4234b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 424f453ba04SDave Airlie 4253c67d839SLukas Wunner return ret; 426f453ba04SDave Airlie } 427f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 428f453ba04SDave Airlie 42983f45fc3SDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 43083f45fc3SDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 43183f45fc3SDaniel Vetter struct drm_framebuffer *fb) 43283f45fc3SDaniel Vetter { 43332709793SLiu Ying drm_mode_object_put(dev, &fb->base); 43483f45fc3SDaniel Vetter 43583f45fc3SDaniel Vetter fb->base.id = 0; 43683f45fc3SDaniel Vetter } 43783f45fc3SDaniel Vetter 438f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 439f7eff60eSRob Clark { 440f7eff60eSRob Clark struct drm_framebuffer *fb = 441f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 44283f45fc3SDaniel Vetter struct drm_device *dev = fb->dev; 44383f45fc3SDaniel Vetter 44483f45fc3SDaniel Vetter /* 44583f45fc3SDaniel Vetter * The lookup idr holds a weak reference, which has not necessarily been 44683f45fc3SDaniel Vetter * removed at this point. Check for that. 44783f45fc3SDaniel Vetter */ 44883f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 44983f45fc3SDaniel Vetter if (fb->base.id) { 45083f45fc3SDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 45183f45fc3SDaniel Vetter __drm_framebuffer_unregister(dev, fb); 45283f45fc3SDaniel Vetter } 45383f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 45483f45fc3SDaniel Vetter 455f7eff60eSRob Clark fb->funcs->destroy(fb); 456f7eff60eSRob Clark } 457f7eff60eSRob Clark 4582b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4592b677e8cSDaniel Vetter uint32_t id) 4602b677e8cSDaniel Vetter { 4612b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4622b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4632b677e8cSDaniel Vetter 4642b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4652b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4662b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4672b677e8cSDaniel Vetter fb = NULL; 4682b677e8cSDaniel Vetter else 4692b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4702b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4712b677e8cSDaniel Vetter 4722b677e8cSDaniel Vetter return fb; 4732b677e8cSDaniel Vetter } 4742b677e8cSDaniel Vetter 475f7eff60eSRob Clark /** 476786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 477786b99edSDaniel Vetter * @dev: drm device 478786b99edSDaniel Vetter * @id: id of the fb object 479786b99edSDaniel Vetter * 480786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 481786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 482c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 483786b99edSDaniel Vetter */ 484786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 485786b99edSDaniel Vetter uint32_t id) 486786b99edSDaniel Vetter { 487786b99edSDaniel Vetter struct drm_framebuffer *fb; 488786b99edSDaniel Vetter 489786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4902b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 49183f45fc3SDaniel Vetter if (fb) { 49283f45fc3SDaniel Vetter if (!kref_get_unless_zero(&fb->refcount)) 49383f45fc3SDaniel Vetter fb = NULL; 49483f45fc3SDaniel Vetter } 495786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 496786b99edSDaniel Vetter 497786b99edSDaniel Vetter return fb; 498786b99edSDaniel Vetter } 499786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 500786b99edSDaniel Vetter 501786b99edSDaniel Vetter /** 502f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 503065a50edSDaniel Vetter * @fb: framebuffer to unref 504065a50edSDaniel Vetter * 505065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 506f7eff60eSRob Clark */ 507f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 508f7eff60eSRob Clark { 5098291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 510f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 511f7eff60eSRob Clark } 512f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 513f7eff60eSRob Clark 514f7eff60eSRob Clark /** 515f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 516065a50edSDaniel Vetter * @fb: framebuffer 517c8e32cc1SDaniel Vetter * 518c8e32cc1SDaniel Vetter * This functions increments the fb's refcount. 519f7eff60eSRob Clark */ 520f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 521f7eff60eSRob Clark { 5228291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 523f7eff60eSRob Clark kref_get(&fb->refcount); 524f7eff60eSRob Clark } 525f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 526f7eff60eSRob Clark 527f453ba04SDave Airlie /** 52836206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 52936206361SDaniel Vetter * @fb: fb to unregister 53036206361SDaniel Vetter * 53136206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 53236206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 53336206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 53436206361SDaniel Vetter * locking inversion). 53536206361SDaniel Vetter */ 53636206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 53736206361SDaniel Vetter { 538a39a357cSDaniel Vetter struct drm_device *dev; 539a39a357cSDaniel Vetter 540a39a357cSDaniel Vetter if (!fb) 541a39a357cSDaniel Vetter return; 542a39a357cSDaniel Vetter 543a39a357cSDaniel Vetter dev = fb->dev; 5442b677e8cSDaniel Vetter 5452b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5462b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5472b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5482b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 54936206361SDaniel Vetter } 55036206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 55136206361SDaniel Vetter 55236206361SDaniel Vetter /** 553f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 554f453ba04SDave Airlie * @fb: framebuffer to remove 555f453ba04SDave Airlie * 556c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 557c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 558c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 55936206361SDaniel Vetter * 56036206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 56136206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 56236206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 56336206361SDaniel Vetter * 56436206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 56536206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 56636206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 56736206361SDaniel Vetter * drm_framebuffer_unregister_private. 568f453ba04SDave Airlie */ 569f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 570f453ba04SDave Airlie { 571f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5728faf6b18SDaniel Vetter 5734b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 574f7eff60eSRob Clark list_del(&fb->head); 575f7eff60eSRob Clark dev->mode_config.num_fb--; 5764b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 577f7eff60eSRob Clark } 578f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 579f7eff60eSRob Clark 580f7eff60eSRob Clark /** 581f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 582f7eff60eSRob Clark * @fb: framebuffer to remove 583f7eff60eSRob Clark * 584f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 58536206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 586b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 587b62584e3SDaniel Vetter * 588b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 589b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 590b62584e3SDaniel Vetter * modeset locks in this case. 591f7eff60eSRob Clark */ 592f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 593f7eff60eSRob Clark { 594a39a357cSDaniel Vetter struct drm_device *dev; 595f453ba04SDave Airlie struct drm_crtc *crtc; 5968cf5c917SJesse Barnes struct drm_plane *plane; 5975ef5f72fSDave Airlie struct drm_mode_set set; 5985ef5f72fSDave Airlie int ret; 599f453ba04SDave Airlie 600a39a357cSDaniel Vetter if (!fb) 601a39a357cSDaniel Vetter return; 602a39a357cSDaniel Vetter 603a39a357cSDaniel Vetter dev = fb->dev; 604a39a357cSDaniel Vetter 6054b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 6068faf6b18SDaniel Vetter 607b62584e3SDaniel Vetter /* 608b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 609b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 610b62584e3SDaniel Vetter * longer need, try to optimize this away. 611b62584e3SDaniel Vetter * 612b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 613b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 614b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 615b62584e3SDaniel Vetter * locks. 616b62584e3SDaniel Vetter * 617b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 618b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 619b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 620b62584e3SDaniel Vetter * in this manner. 621b62584e3SDaniel Vetter */ 622b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 623b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 624f453ba04SDave Airlie /* remove from any CRTC */ 6256295d607SDaniel Vetter drm_for_each_crtc(crtc, dev) { 626f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6275ef5f72fSDave Airlie /* should turn off the crtc */ 6285ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6295ef5f72fSDave Airlie set.crtc = crtc; 6305ef5f72fSDave Airlie set.fb = NULL; 6312d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6325ef5f72fSDave Airlie if (ret) 6335ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6345ef5f72fSDave Airlie } 635f453ba04SDave Airlie } 636f453ba04SDave Airlie 6376295d607SDaniel Vetter drm_for_each_plane(plane, dev) { 6389125e618SVille Syrjälä if (plane->fb == fb) 6399125e618SVille Syrjälä drm_plane_force_disable(plane); 6408cf5c917SJesse Barnes } 641b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 642b62584e3SDaniel Vetter } 6438cf5c917SJesse Barnes 644f7eff60eSRob Clark drm_framebuffer_unreference(fb); 645f453ba04SDave Airlie } 646f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 647f453ba04SDave Airlie 64851fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 64951fd371bSRob Clark 650fa3ab4c2SVille Syrjälä static unsigned int drm_num_crtcs(struct drm_device *dev) 651fa3ab4c2SVille Syrjälä { 652fa3ab4c2SVille Syrjälä unsigned int num = 0; 653fa3ab4c2SVille Syrjälä struct drm_crtc *tmp; 654fa3ab4c2SVille Syrjälä 655fa3ab4c2SVille Syrjälä drm_for_each_crtc(tmp, dev) { 656fa3ab4c2SVille Syrjälä num++; 657fa3ab4c2SVille Syrjälä } 658fa3ab4c2SVille Syrjälä 659fa3ab4c2SVille Syrjälä return num; 660fa3ab4c2SVille Syrjälä } 661fa3ab4c2SVille Syrjälä 662f453ba04SDave Airlie /** 663e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 664e13161afSMatt Roper * specified primary and cursor planes. 665f453ba04SDave Airlie * @dev: DRM device 666f453ba04SDave Airlie * @crtc: CRTC object to init 667e13161afSMatt Roper * @primary: Primary plane for CRTC 668e13161afSMatt Roper * @cursor: Cursor plane for CRTC 669f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 670f9882876SVille Syrjälä * @name: printf style format string for the CRTC name, or NULL for default name 671f453ba04SDave Airlie * 672ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6736bfc56aaSVille Syrjälä * 674c8e32cc1SDaniel Vetter * Returns: 6756bfc56aaSVille Syrjälä * Zero on success, error code on failure. 676f453ba04SDave Airlie */ 677e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 678e13161afSMatt Roper struct drm_plane *primary, 679fc1d3e44SMatt Roper struct drm_plane *cursor, 680f9882876SVille Syrjälä const struct drm_crtc_funcs *funcs, 681f9882876SVille Syrjälä const char *name, ...) 682f453ba04SDave Airlie { 68351fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6846bfc56aaSVille Syrjälä int ret; 6856bfc56aaSVille Syrjälä 686522cf91fSBenjamin Gaignard WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); 687522cf91fSBenjamin Gaignard WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); 688522cf91fSBenjamin Gaignard 689f453ba04SDave Airlie crtc->dev = dev; 690f453ba04SDave Airlie crtc->funcs = funcs; 691f453ba04SDave Airlie 69251fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 6936bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6946bfc56aaSVille Syrjälä if (ret) 695baf698b0SDaniel Vetter return ret; 696f453ba04SDave Airlie 697fa3ab4c2SVille Syrjälä if (name) { 698fa3ab4c2SVille Syrjälä va_list ap; 699fa3ab4c2SVille Syrjälä 700fa3ab4c2SVille Syrjälä va_start(ap, name); 701fa3ab4c2SVille Syrjälä crtc->name = kvasprintf(GFP_KERNEL, name, ap); 702fa3ab4c2SVille Syrjälä va_end(ap); 703fa3ab4c2SVille Syrjälä } else { 704fa3ab4c2SVille Syrjälä crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", 705fa3ab4c2SVille Syrjälä drm_num_crtcs(dev)); 706fa3ab4c2SVille Syrjälä } 707fa3ab4c2SVille Syrjälä if (!crtc->name) { 708fa3ab4c2SVille Syrjälä drm_mode_object_put(dev, &crtc->base); 709fa3ab4c2SVille Syrjälä return -ENOMEM; 710fa3ab4c2SVille Syrjälä } 711fa3ab4c2SVille Syrjälä 712bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 713bffd9de0SPaulo Zanoni 71451fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 71551fd371bSRob Clark config->num_crtc++; 7166bfc56aaSVille Syrjälä 717e13161afSMatt Roper crtc->primary = primary; 718fc1d3e44SMatt Roper crtc->cursor = cursor; 719e13161afSMatt Roper if (primary) 720e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 721fc1d3e44SMatt Roper if (cursor) 722fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 723e13161afSMatt Roper 724eab3bbefSDaniel Vetter if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 725eab3bbefSDaniel Vetter drm_object_attach_property(&crtc->base, config->prop_active, 0); 726955f3c33SDaniel Stone drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); 727eab3bbefSDaniel Vetter } 728eab3bbefSDaniel Vetter 729baf698b0SDaniel Vetter return 0; 730f453ba04SDave Airlie } 731e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 732f453ba04SDave Airlie 733f453ba04SDave Airlie /** 734ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 735f453ba04SDave Airlie * @crtc: CRTC to cleanup 736f453ba04SDave Airlie * 737ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 738ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 739ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 740f453ba04SDave Airlie */ 741f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 742f453ba04SDave Airlie { 743f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 744f453ba04SDave Airlie 745f453ba04SDave Airlie kfree(crtc->gamma_store); 746f453ba04SDave Airlie crtc->gamma_store = NULL; 747f453ba04SDave Airlie 74851fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 74951fd371bSRob Clark 750f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 751f453ba04SDave Airlie list_del(&crtc->head); 752f453ba04SDave Airlie dev->mode_config.num_crtc--; 7533009c037SThierry Reding 7543009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 7553009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 7563009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 757a18c0af1SThierry Reding 758fa3ab4c2SVille Syrjälä kfree(crtc->name); 759fa3ab4c2SVille Syrjälä 760a18c0af1SThierry Reding memset(crtc, 0, sizeof(*crtc)); 761f453ba04SDave Airlie } 762f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 763f453ba04SDave Airlie 764f453ba04SDave Airlie /** 765db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 766db5f7a6eSRussell King * @crtc: CRTC to find index for 767db5f7a6eSRussell King * 768db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 769db5f7a6eSRussell King * device's list of CRTCs. 770db5f7a6eSRussell King */ 771db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 772db5f7a6eSRussell King { 773db5f7a6eSRussell King unsigned int index = 0; 774db5f7a6eSRussell King struct drm_crtc *tmp; 775db5f7a6eSRussell King 776e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 777db5f7a6eSRussell King if (tmp == crtc) 778db5f7a6eSRussell King return index; 779db5f7a6eSRussell King 780db5f7a6eSRussell King index++; 781db5f7a6eSRussell King } 782db5f7a6eSRussell King 783db5f7a6eSRussell King BUG(); 784db5f7a6eSRussell King } 785db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 786db5f7a6eSRussell King 78786f422d5SLespiau, Damien /* 788f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 789f453ba04SDave Airlie * @connector: connector list to modify 790f453ba04SDave Airlie * @mode: mode to remove 791f453ba04SDave Airlie * 792f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 793f453ba04SDave Airlie */ 79486f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 795f453ba04SDave Airlie struct drm_display_mode *mode) 796f453ba04SDave Airlie { 797f453ba04SDave Airlie list_del(&mode->head); 798554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 799f453ba04SDave Airlie } 800f453ba04SDave Airlie 801f453ba04SDave Airlie /** 802b5571e9dSBoris Brezillon * drm_display_info_set_bus_formats - set the supported bus formats 803b5571e9dSBoris Brezillon * @info: display info to store bus formats in 804e37bfa1aSBoris Brezillon * @formats: array containing the supported bus formats 805e37bfa1aSBoris Brezillon * @num_formats: the number of entries in the fmts array 806b5571e9dSBoris Brezillon * 807b5571e9dSBoris Brezillon * Store the supported bus formats in display info structure. 808b5571e9dSBoris Brezillon * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for 809b5571e9dSBoris Brezillon * a full list of available formats. 810b5571e9dSBoris Brezillon */ 811b5571e9dSBoris Brezillon int drm_display_info_set_bus_formats(struct drm_display_info *info, 812b5571e9dSBoris Brezillon const u32 *formats, 813b5571e9dSBoris Brezillon unsigned int num_formats) 814b5571e9dSBoris Brezillon { 815b5571e9dSBoris Brezillon u32 *fmts = NULL; 816b5571e9dSBoris Brezillon 817b5571e9dSBoris Brezillon if (!formats && num_formats) 818b5571e9dSBoris Brezillon return -EINVAL; 819b5571e9dSBoris Brezillon 820b5571e9dSBoris Brezillon if (formats && num_formats) { 821b5571e9dSBoris Brezillon fmts = kmemdup(formats, sizeof(*formats) * num_formats, 822b5571e9dSBoris Brezillon GFP_KERNEL); 823944579c5SDan Carpenter if (!fmts) 824b5571e9dSBoris Brezillon return -ENOMEM; 825b5571e9dSBoris Brezillon } 826b5571e9dSBoris Brezillon 827b5571e9dSBoris Brezillon kfree(info->bus_formats); 828b5571e9dSBoris Brezillon info->bus_formats = fmts; 829b5571e9dSBoris Brezillon info->num_bus_formats = num_formats; 830b5571e9dSBoris Brezillon 831b5571e9dSBoris Brezillon return 0; 832b5571e9dSBoris Brezillon } 833b5571e9dSBoris Brezillon EXPORT_SYMBOL(drm_display_info_set_bus_formats); 834b5571e9dSBoris Brezillon 835b5571e9dSBoris Brezillon /** 836eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 837eaf99c74SChris Wilson * @connector: connector to quwery 838eaf99c74SChris Wilson * 839eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 840eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 841eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 842eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 843eaf99c74SChris Wilson * setup. 844eaf99c74SChris Wilson */ 845eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 846eaf99c74SChris Wilson { 847eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 848eaf99c74SChris Wilson char *option = NULL; 849eaf99c74SChris Wilson 850eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 851eaf99c74SChris Wilson return; 852eaf99c74SChris Wilson 853eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 854eaf99c74SChris Wilson connector, 855eaf99c74SChris Wilson mode)) 856eaf99c74SChris Wilson return; 857eaf99c74SChris Wilson 858eaf99c74SChris Wilson if (mode->force) { 859eaf99c74SChris Wilson const char *s; 860eaf99c74SChris Wilson 861eaf99c74SChris Wilson switch (mode->force) { 862eaf99c74SChris Wilson case DRM_FORCE_OFF: 863eaf99c74SChris Wilson s = "OFF"; 864eaf99c74SChris Wilson break; 865eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 866eaf99c74SChris Wilson s = "ON - dig"; 867eaf99c74SChris Wilson break; 868eaf99c74SChris Wilson default: 869eaf99c74SChris Wilson case DRM_FORCE_ON: 870eaf99c74SChris Wilson s = "ON"; 871eaf99c74SChris Wilson break; 872eaf99c74SChris Wilson } 873eaf99c74SChris Wilson 874eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 875eaf99c74SChris Wilson connector->force = mode->force; 876eaf99c74SChris Wilson } 877eaf99c74SChris Wilson 878eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 879eaf99c74SChris Wilson connector->name, 880eaf99c74SChris Wilson mode->xres, mode->yres, 881eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 882eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 883eaf99c74SChris Wilson mode->margins ? " with margins" : "", 884eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 885eaf99c74SChris Wilson } 886eaf99c74SChris Wilson 887eaf99c74SChris Wilson /** 888f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 889f453ba04SDave Airlie * @dev: DRM device 890f453ba04SDave Airlie * @connector: the connector to init 891f453ba04SDave Airlie * @funcs: callbacks for this connector 892065a50edSDaniel Vetter * @connector_type: user visible type of the connector 893f453ba04SDave Airlie * 894f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 895f453ba04SDave Airlie * subclassed as part of driver connector objects. 8966bfc56aaSVille Syrjälä * 897c8e32cc1SDaniel Vetter * Returns: 8986bfc56aaSVille Syrjälä * Zero on success, error code on failure. 899f453ba04SDave Airlie */ 9006bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 901f453ba04SDave Airlie struct drm_connector *connector, 902f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 903f453ba04SDave Airlie int connector_type) 904f453ba04SDave Airlie { 905ae16c597SRob Clark struct drm_mode_config *config = &dev->mode_config; 9066bfc56aaSVille Syrjälä int ret; 907b21e3afeSIlia Mirkin struct ida *connector_ida = 908b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 9096bfc56aaSVille Syrjälä 91084849903SDaniel Vetter drm_modeset_lock_all(dev); 911f453ba04SDave Airlie 9122ee39452SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); 9136bfc56aaSVille Syrjälä if (ret) 9142abdd313SJani Nikula goto out_unlock; 9156bfc56aaSVille Syrjälä 9167e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 917f453ba04SDave Airlie connector->dev = dev; 918f453ba04SDave Airlie connector->funcs = funcs; 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; 9242abdd313SJani Nikula goto out_put; 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; 9322abdd313SJani Nikula goto out_put; 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; 96030f65707SThomas Wood 9612abdd313SJani Nikula out_put: 9622abdd313SJani Nikula if (ret) 9632abdd313SJani Nikula drm_mode_object_put(dev, &connector->base); 9642abdd313SJani Nikula 9652abdd313SJani Nikula out_unlock: 96684849903SDaniel Vetter drm_modeset_unlock_all(dev); 9676bfc56aaSVille Syrjälä 9686bfc56aaSVille Syrjälä return ret; 969f453ba04SDave Airlie } 970f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 971f453ba04SDave Airlie 972f453ba04SDave Airlie /** 973f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 974f453ba04SDave Airlie * @connector: connector to cleanup 975f453ba04SDave Airlie * 976f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 977f453ba04SDave Airlie */ 978f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 979f453ba04SDave Airlie { 980f453ba04SDave Airlie struct drm_device *dev = connector->dev; 981f453ba04SDave Airlie struct drm_display_mode *mode, *t; 982f453ba04SDave Airlie 98340d9b043SDave Airlie if (connector->tile_group) { 98440d9b043SDave Airlie drm_mode_put_tile_group(dev, connector->tile_group); 98540d9b043SDave Airlie connector->tile_group = NULL; 98640d9b043SDave Airlie } 98740d9b043SDave Airlie 988f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 989f453ba04SDave Airlie drm_mode_remove(connector, mode); 990f453ba04SDave Airlie 991f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 992f453ba04SDave Airlie drm_mode_remove(connector, mode); 993f453ba04SDave Airlie 994b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 995b21e3afeSIlia Mirkin connector->connector_type_id); 996b21e3afeSIlia Mirkin 997b5571e9dSBoris Brezillon kfree(connector->display_info.bus_formats); 998f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 9992abdd313SJani Nikula kfree(connector->name); 10002abdd313SJani Nikula connector->name = NULL; 1001f453ba04SDave Airlie list_del(&connector->head); 10026380c509SJoonyoung Shim dev->mode_config.num_connector--; 10033009c037SThierry Reding 10043009c037SThierry Reding WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); 10053009c037SThierry Reding if (connector->state && connector->funcs->atomic_destroy_state) 10063009c037SThierry Reding connector->funcs->atomic_destroy_state(connector, 10073009c037SThierry Reding connector->state); 1008a18c0af1SThierry Reding 1009a18c0af1SThierry Reding memset(connector, 0, sizeof(*connector)); 1010f453ba04SDave Airlie } 1011f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 1012f453ba04SDave Airlie 1013c8e32cc1SDaniel Vetter /** 101410f637bfSDaniel Vetter * drm_connector_index - find the index of a registered connector 101510f637bfSDaniel Vetter * @connector: connector to find index for 101610f637bfSDaniel Vetter * 101710f637bfSDaniel Vetter * Given a registered connector, return the index of that connector within a DRM 101810f637bfSDaniel Vetter * device's list of connectors. 101910f637bfSDaniel Vetter */ 102010f637bfSDaniel Vetter unsigned int drm_connector_index(struct drm_connector *connector) 102110f637bfSDaniel Vetter { 102210f637bfSDaniel Vetter unsigned int index = 0; 102310f637bfSDaniel Vetter struct drm_connector *tmp; 1024c7eb76f4SDaniel Vetter struct drm_mode_config *config = &connector->dev->mode_config; 1025c7eb76f4SDaniel Vetter 1026c7eb76f4SDaniel Vetter WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); 102710f637bfSDaniel Vetter 10289a9f5ce8SDaniel Vetter drm_for_each_connector(tmp, connector->dev) { 102910f637bfSDaniel Vetter if (tmp == connector) 103010f637bfSDaniel Vetter return index; 103110f637bfSDaniel Vetter 103210f637bfSDaniel Vetter index++; 103310f637bfSDaniel Vetter } 103410f637bfSDaniel Vetter 103510f637bfSDaniel Vetter BUG(); 103610f637bfSDaniel Vetter } 103710f637bfSDaniel Vetter EXPORT_SYMBOL(drm_connector_index); 103810f637bfSDaniel Vetter 103910f637bfSDaniel Vetter /** 104034ea3d38SThomas Wood * drm_connector_register - register a connector 104134ea3d38SThomas Wood * @connector: the connector to register 104234ea3d38SThomas Wood * 104334ea3d38SThomas Wood * Register userspace interfaces for a connector 104434ea3d38SThomas Wood * 104534ea3d38SThomas Wood * Returns: 104634ea3d38SThomas Wood * Zero on success, error code on failure. 104734ea3d38SThomas Wood */ 104834ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 104934ea3d38SThomas Wood { 105030f65707SThomas Wood int ret; 105130f65707SThomas Wood 10522ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 10532ee39452SDave Airlie 105430f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 105530f65707SThomas Wood if (ret) 105630f65707SThomas Wood return ret; 105730f65707SThomas Wood 105830f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 105930f65707SThomas Wood if (ret) { 106030f65707SThomas Wood drm_sysfs_connector_remove(connector); 106130f65707SThomas Wood return ret; 106230f65707SThomas Wood } 106330f65707SThomas Wood 106430f65707SThomas Wood return 0; 106534ea3d38SThomas Wood } 106634ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 106734ea3d38SThomas Wood 106834ea3d38SThomas Wood /** 106934ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 107034ea3d38SThomas Wood * @connector: the connector to unregister 107134ea3d38SThomas Wood * 107234ea3d38SThomas Wood * Unregister userspace interfaces for a connector 107334ea3d38SThomas Wood */ 107434ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 107534ea3d38SThomas Wood { 107634ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 107730f65707SThomas Wood drm_debugfs_connector_remove(connector); 107834ea3d38SThomas Wood } 107934ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 108034ea3d38SThomas Wood 108134ea3d38SThomas Wood /** 10826c87e5c3SAlexey Brodkin * drm_connector_unregister_all - unregister connector userspace interfaces 1083c8e32cc1SDaniel Vetter * @dev: drm device 1084c8e32cc1SDaniel Vetter * 10856c87e5c3SAlexey Brodkin * This functions unregisters all connectors from sysfs and other places so 10866c87e5c3SAlexey Brodkin * that userspace can no longer access them. Drivers should call this as the 10876c87e5c3SAlexey Brodkin * first step tearing down the device instace, or when the underlying 10886c87e5c3SAlexey Brodkin * physical device disappeared (e.g. USB unplug), right before calling 10896c87e5c3SAlexey Brodkin * drm_dev_unregister(). 1090c8e32cc1SDaniel Vetter */ 10916c87e5c3SAlexey Brodkin void drm_connector_unregister_all(struct drm_device *dev) 1092cbc7e221SDave Airlie { 1093cbc7e221SDave Airlie struct drm_connector *connector; 1094cbc7e221SDave Airlie 10959a9f5ce8SDaniel Vetter /* FIXME: taking the mode config mutex ends up in a clash with sysfs */ 10966c87e5c3SAlexey Brodkin drm_for_each_connector(connector, dev) 109734ea3d38SThomas Wood drm_connector_unregister(connector); 1098cbc7e221SDave Airlie } 10996c87e5c3SAlexey Brodkin EXPORT_SYMBOL(drm_connector_unregister_all); 1100cbc7e221SDave Airlie 1101c8e32cc1SDaniel Vetter /** 1102c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1103c8e32cc1SDaniel Vetter * @dev: drm device 1104c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1105c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1106c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 110713a3d91fSVille Syrjälä * @name: printf style format string for the encoder name, or NULL for default name 1108c8e32cc1SDaniel Vetter * 1109c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1110c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1111c8e32cc1SDaniel Vetter * 1112c8e32cc1SDaniel Vetter * Returns: 1113c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1114c8e32cc1SDaniel Vetter */ 11156bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1116f453ba04SDave Airlie struct drm_encoder *encoder, 1117f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 111813a3d91fSVille Syrjälä int encoder_type, const char *name, ...) 1119f453ba04SDave Airlie { 11206bfc56aaSVille Syrjälä int ret; 11216bfc56aaSVille Syrjälä 112284849903SDaniel Vetter drm_modeset_lock_all(dev); 1123f453ba04SDave Airlie 11246bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 11256bfc56aaSVille Syrjälä if (ret) 1126e5748946SJani Nikula goto out_unlock; 1127f453ba04SDave Airlie 11286bfc56aaSVille Syrjälä encoder->dev = dev; 1129f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1130f453ba04SDave Airlie encoder->funcs = funcs; 113186bf546bSVille Syrjälä if (name) { 113286bf546bSVille Syrjälä va_list ap; 113386bf546bSVille Syrjälä 113486bf546bSVille Syrjälä va_start(ap, name); 113586bf546bSVille Syrjälä encoder->name = kvasprintf(GFP_KERNEL, name, ap); 113686bf546bSVille Syrjälä va_end(ap); 113786bf546bSVille Syrjälä } else { 1138e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1139e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1140e5748946SJani Nikula encoder->base.id); 114186bf546bSVille Syrjälä } 1142e5748946SJani Nikula if (!encoder->name) { 1143e5748946SJani Nikula ret = -ENOMEM; 1144e5748946SJani Nikula goto out_put; 1145e5748946SJani Nikula } 1146f453ba04SDave Airlie 1147f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1148f453ba04SDave Airlie dev->mode_config.num_encoder++; 1149f453ba04SDave Airlie 1150e5748946SJani Nikula out_put: 1151e5748946SJani Nikula if (ret) 1152e5748946SJani Nikula drm_mode_object_put(dev, &encoder->base); 1153e5748946SJani Nikula 1154e5748946SJani Nikula out_unlock: 115584849903SDaniel Vetter drm_modeset_unlock_all(dev); 11566bfc56aaSVille Syrjälä 11576bfc56aaSVille Syrjälä return ret; 1158f453ba04SDave Airlie } 1159f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1160f453ba04SDave Airlie 1161c8e32cc1SDaniel Vetter /** 116247d7777fSMaarten Lankhorst * drm_encoder_index - find the index of a registered encoder 116347d7777fSMaarten Lankhorst * @encoder: encoder to find index for 116447d7777fSMaarten Lankhorst * 116547d7777fSMaarten Lankhorst * Given a registered encoder, return the index of that encoder within a DRM 116647d7777fSMaarten Lankhorst * device's list of encoders. 116747d7777fSMaarten Lankhorst */ 116847d7777fSMaarten Lankhorst unsigned int drm_encoder_index(struct drm_encoder *encoder) 116947d7777fSMaarten Lankhorst { 117047d7777fSMaarten Lankhorst unsigned int index = 0; 117147d7777fSMaarten Lankhorst struct drm_encoder *tmp; 117247d7777fSMaarten Lankhorst 117347d7777fSMaarten Lankhorst drm_for_each_encoder(tmp, encoder->dev) { 117447d7777fSMaarten Lankhorst if (tmp == encoder) 117547d7777fSMaarten Lankhorst return index; 117647d7777fSMaarten Lankhorst 117747d7777fSMaarten Lankhorst index++; 117847d7777fSMaarten Lankhorst } 117947d7777fSMaarten Lankhorst 118047d7777fSMaarten Lankhorst BUG(); 118147d7777fSMaarten Lankhorst } 118247d7777fSMaarten Lankhorst EXPORT_SYMBOL(drm_encoder_index); 118347d7777fSMaarten Lankhorst 118447d7777fSMaarten Lankhorst /** 1185c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1186c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1187c8e32cc1SDaniel Vetter * 1188c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1189c8e32cc1SDaniel Vetter */ 1190f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1191f453ba04SDave Airlie { 1192f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 11934dfd909fSThierry Reding 119484849903SDaniel Vetter drm_modeset_lock_all(dev); 1195f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 1196e5748946SJani Nikula kfree(encoder->name); 1197f453ba04SDave Airlie list_del(&encoder->head); 11986380c509SJoonyoung Shim dev->mode_config.num_encoder--; 119984849903SDaniel Vetter drm_modeset_unlock_all(dev); 1200a18c0af1SThierry Reding 1201a18c0af1SThierry Reding memset(encoder, 0, sizeof(*encoder)); 1202f453ba04SDave Airlie } 1203f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1204f453ba04SDave Airlie 12059f4c97a2SVille Syrjälä static unsigned int drm_num_planes(struct drm_device *dev) 12069f4c97a2SVille Syrjälä { 12079f4c97a2SVille Syrjälä unsigned int num = 0; 12089f4c97a2SVille Syrjälä struct drm_plane *tmp; 12099f4c97a2SVille Syrjälä 12109f4c97a2SVille Syrjälä drm_for_each_plane(tmp, dev) { 12119f4c97a2SVille Syrjälä num++; 12129f4c97a2SVille Syrjälä } 12139f4c97a2SVille Syrjälä 12149f4c97a2SVille Syrjälä return num; 12159f4c97a2SVille Syrjälä } 12169f4c97a2SVille Syrjälä 121735f2c3aeSVille Syrjälä /** 1218dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 121935f2c3aeSVille Syrjälä * @dev: DRM device 122035f2c3aeSVille Syrjälä * @plane: plane object to init 122135f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 122235f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 122335f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 122435f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1225dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 1226b0b3b795SVille Syrjälä * @name: printf style format string for the plane name, or NULL for default name 122735f2c3aeSVille Syrjälä * 1228dc415ff9SMatt Roper * Initializes a plane object of type @type. 122935f2c3aeSVille Syrjälä * 1230c8e32cc1SDaniel Vetter * Returns: 123135f2c3aeSVille Syrjälä * Zero on success, error code on failure. 123235f2c3aeSVille Syrjälä */ 1233dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 12348cf5c917SJesse Barnes unsigned long possible_crtcs, 12358cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 123645e3743aSThierry Reding const uint32_t *formats, unsigned int format_count, 1237b0b3b795SVille Syrjälä enum drm_plane_type type, 1238b0b3b795SVille Syrjälä const char *name, ...) 12398cf5c917SJesse Barnes { 12406b4959f4SRob Clark struct drm_mode_config *config = &dev->mode_config; 12416bfc56aaSVille Syrjälä int ret; 12426bfc56aaSVille Syrjälä 12436bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 12446bfc56aaSVille Syrjälä if (ret) 1245baf698b0SDaniel Vetter return ret; 12466bfc56aaSVille Syrjälä 12474d02e2deSDaniel Vetter drm_modeset_lock_init(&plane->mutex); 12484d02e2deSDaniel Vetter 12494d93914aSRob Clark plane->base.properties = &plane->properties; 12508cf5c917SJesse Barnes plane->dev = dev; 12518cf5c917SJesse Barnes plane->funcs = funcs; 12522f6c5389SThierry Reding plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), 12538cf5c917SJesse Barnes GFP_KERNEL); 12548cf5c917SJesse Barnes if (!plane->format_types) { 12558cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 12568cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1257baf698b0SDaniel Vetter return -ENOMEM; 12588cf5c917SJesse Barnes } 12598cf5c917SJesse Barnes 12609f4c97a2SVille Syrjälä if (name) { 12619f4c97a2SVille Syrjälä va_list ap; 12629f4c97a2SVille Syrjälä 12639f4c97a2SVille Syrjälä va_start(ap, name); 12649f4c97a2SVille Syrjälä plane->name = kvasprintf(GFP_KERNEL, name, ap); 12659f4c97a2SVille Syrjälä va_end(ap); 12669f4c97a2SVille Syrjälä } else { 12679f4c97a2SVille Syrjälä plane->name = kasprintf(GFP_KERNEL, "plane-%d", 12689f4c97a2SVille Syrjälä drm_num_planes(dev)); 12699f4c97a2SVille Syrjälä } 12709f4c97a2SVille Syrjälä if (!plane->name) { 12719f4c97a2SVille Syrjälä kfree(plane->format_types); 12729f4c97a2SVille Syrjälä drm_mode_object_put(dev, &plane->base); 12739f4c97a2SVille Syrjälä return -ENOMEM; 12749f4c97a2SVille Syrjälä } 12759f4c97a2SVille Syrjälä 1276308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 12778cf5c917SJesse Barnes plane->format_count = format_count; 12788cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1279dc415ff9SMatt Roper plane->type = type; 12808cf5c917SJesse Barnes 12816b4959f4SRob Clark list_add_tail(&plane->head, &config->plane_list); 12826b4959f4SRob Clark config->num_total_plane++; 1283e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 12846b4959f4SRob Clark config->num_overlay_plane++; 12858cf5c917SJesse Barnes 12869922ab5aSRob Clark drm_object_attach_property(&plane->base, 12876b4959f4SRob Clark config->plane_type_property, 12889922ab5aSRob Clark plane->type); 12899922ab5aSRob Clark 12906b4959f4SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 12916b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_fb_id, 0); 12926b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); 12936b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); 12946b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); 12956b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); 12966b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); 12976b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_x, 0); 12986b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_y, 0); 12996b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_w, 0); 13006b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_h, 0); 13016b4959f4SRob Clark } 13026b4959f4SRob Clark 1303baf698b0SDaniel Vetter return 0; 13048cf5c917SJesse Barnes } 1305dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1306dc415ff9SMatt Roper 1307dc415ff9SMatt Roper /** 1308dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1309dc415ff9SMatt Roper * @dev: DRM device 1310dc415ff9SMatt Roper * @plane: plane object to init 1311dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1312dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1313dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1314dc415ff9SMatt Roper * @format_count: number of elements in @formats 1315dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1316dc415ff9SMatt Roper * 1317dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1318dc415ff9SMatt Roper * 1319dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1320dc415ff9SMatt Roper * 1321dc415ff9SMatt Roper * Returns: 1322dc415ff9SMatt Roper * Zero on success, error code on failure. 1323dc415ff9SMatt Roper */ 1324dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1325dc415ff9SMatt Roper unsigned long possible_crtcs, 1326dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 132745e3743aSThierry Reding const uint32_t *formats, unsigned int format_count, 1328dc415ff9SMatt Roper bool is_primary) 1329dc415ff9SMatt Roper { 1330dc415ff9SMatt Roper enum drm_plane_type type; 1331dc415ff9SMatt Roper 1332dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1333dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1334b0b3b795SVille Syrjälä formats, format_count, type, NULL); 1335dc415ff9SMatt Roper } 13368cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 13378cf5c917SJesse Barnes 133835f2c3aeSVille Syrjälä /** 133935f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 134035f2c3aeSVille Syrjälä * @plane: plane to cleanup 134135f2c3aeSVille Syrjälä * 134235f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 134335f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 134435f2c3aeSVille Syrjälä * this is the responsibility of the caller. 134535f2c3aeSVille Syrjälä */ 13468cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 13478cf5c917SJesse Barnes { 13488cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 13498cf5c917SJesse Barnes 135084849903SDaniel Vetter drm_modeset_lock_all(dev); 13518cf5c917SJesse Barnes kfree(plane->format_types); 13528cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1353dc415ff9SMatt Roper 1354dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1355dc415ff9SMatt Roper 13568cf5c917SJesse Barnes list_del(&plane->head); 1357e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1358e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1359e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 136084849903SDaniel Vetter drm_modeset_unlock_all(dev); 13613009c037SThierry Reding 13623009c037SThierry Reding WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); 13633009c037SThierry Reding if (plane->state && plane->funcs->atomic_destroy_state) 13643009c037SThierry Reding plane->funcs->atomic_destroy_state(plane, plane->state); 1365a18c0af1SThierry Reding 13669f4c97a2SVille Syrjälä kfree(plane->name); 13679f4c97a2SVille Syrjälä 1368a18c0af1SThierry Reding memset(plane, 0, sizeof(*plane)); 13698cf5c917SJesse Barnes } 13708cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 13718cf5c917SJesse Barnes 137235f2c3aeSVille Syrjälä /** 137310f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 137410f637bfSDaniel Vetter * @plane: plane to find index for 137510f637bfSDaniel Vetter * 137610f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 137710f637bfSDaniel Vetter * device's list of planes. 137810f637bfSDaniel Vetter */ 137910f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 138010f637bfSDaniel Vetter { 138110f637bfSDaniel Vetter unsigned int index = 0; 138210f637bfSDaniel Vetter struct drm_plane *tmp; 138310f637bfSDaniel Vetter 1384e4f62546SDaniel Vetter drm_for_each_plane(tmp, plane->dev) { 138510f637bfSDaniel Vetter if (tmp == plane) 138610f637bfSDaniel Vetter return index; 138710f637bfSDaniel Vetter 138810f637bfSDaniel Vetter index++; 138910f637bfSDaniel Vetter } 139010f637bfSDaniel Vetter 139110f637bfSDaniel Vetter BUG(); 139210f637bfSDaniel Vetter } 139310f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 139410f637bfSDaniel Vetter 139510f637bfSDaniel Vetter /** 1396f81338a5SChandra Konduru * drm_plane_from_index - find the registered plane at an index 1397f81338a5SChandra Konduru * @dev: DRM device 1398f81338a5SChandra Konduru * @idx: index of registered plane to find for 1399f81338a5SChandra Konduru * 1400f81338a5SChandra Konduru * Given a plane index, return the registered plane from DRM device's 1401f81338a5SChandra Konduru * list of planes with matching index. 1402f81338a5SChandra Konduru */ 1403f81338a5SChandra Konduru struct drm_plane * 1404f81338a5SChandra Konduru drm_plane_from_index(struct drm_device *dev, int idx) 1405f81338a5SChandra Konduru { 1406f81338a5SChandra Konduru struct drm_plane *plane; 1407f81338a5SChandra Konduru unsigned int i = 0; 1408f81338a5SChandra Konduru 14096295d607SDaniel Vetter drm_for_each_plane(plane, dev) { 1410f81338a5SChandra Konduru if (i == idx) 1411f81338a5SChandra Konduru return plane; 1412f81338a5SChandra Konduru i++; 1413f81338a5SChandra Konduru } 1414f81338a5SChandra Konduru return NULL; 1415f81338a5SChandra Konduru } 1416f81338a5SChandra Konduru EXPORT_SYMBOL(drm_plane_from_index); 1417f81338a5SChandra Konduru 1418f81338a5SChandra Konduru /** 141935f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 142035f2c3aeSVille Syrjälä * @plane: plane to disable 142135f2c3aeSVille Syrjälä * 142235f2c3aeSVille Syrjälä * Forces the plane to be disabled. 142335f2c3aeSVille Syrjälä * 142435f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 142535f2c3aeSVille Syrjälä * and when restoring fbdev mode. 142635f2c3aeSVille Syrjälä */ 14279125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 14289125e618SVille Syrjälä { 14299125e618SVille Syrjälä int ret; 14309125e618SVille Syrjälä 14313d30a59bSDaniel Vetter if (!plane->fb) 14329125e618SVille Syrjälä return; 14339125e618SVille Syrjälä 14343d30a59bSDaniel Vetter plane->old_fb = plane->fb; 14359125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1436731cce48SDaniel Vetter if (ret) { 14379125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 14383d30a59bSDaniel Vetter plane->old_fb = NULL; 1439731cce48SDaniel Vetter return; 1440731cce48SDaniel Vetter } 14419125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 1442220dd2bcSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 14433d30a59bSDaniel Vetter plane->old_fb = NULL; 14449125e618SVille Syrjälä plane->fb = NULL; 14459125e618SVille Syrjälä plane->crtc = NULL; 14469125e618SVille Syrjälä } 14479125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 14489125e618SVille Syrjälä 14496b4959f4SRob Clark static int drm_mode_create_standard_properties(struct drm_device *dev) 1450f453ba04SDave Airlie { 1451356af0e1SRob Clark struct drm_property *prop; 1452f453ba04SDave Airlie 1453f453ba04SDave Airlie /* 1454f453ba04SDave Airlie * Standard properties (apply to all connectors) 1455f453ba04SDave Airlie */ 1456356af0e1SRob Clark prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1457f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1458f453ba04SDave Airlie "EDID", 0); 1459356af0e1SRob Clark if (!prop) 1460356af0e1SRob Clark return -ENOMEM; 1461356af0e1SRob Clark dev->mode_config.edid_property = prop; 1462f453ba04SDave Airlie 1463356af0e1SRob Clark prop = drm_property_create_enum(dev, 0, 14644a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 14654a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1466356af0e1SRob Clark if (!prop) 1467356af0e1SRob Clark return -ENOMEM; 1468356af0e1SRob Clark dev->mode_config.dpms_property = prop; 1469f453ba04SDave Airlie 1470356af0e1SRob Clark prop = drm_property_create(dev, 147143aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 147243aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 147343aba7ebSDave Airlie "PATH", 0); 1474356af0e1SRob Clark if (!prop) 1475356af0e1SRob Clark return -ENOMEM; 1476356af0e1SRob Clark dev->mode_config.path_property = prop; 147743aba7ebSDave Airlie 1478356af0e1SRob Clark prop = drm_property_create(dev, 14796f134d7bSDave Airlie DRM_MODE_PROP_BLOB | 14806f134d7bSDave Airlie DRM_MODE_PROP_IMMUTABLE, 14816f134d7bSDave Airlie "TILE", 0); 1482356af0e1SRob Clark if (!prop) 1483356af0e1SRob Clark return -ENOMEM; 1484356af0e1SRob Clark dev->mode_config.tile_property = prop; 14856f134d7bSDave Airlie 14866b4959f4SRob Clark prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 14879922ab5aSRob Clark "type", drm_plane_type_enum_list, 14889922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 14896b4959f4SRob Clark if (!prop) 14906b4959f4SRob Clark return -ENOMEM; 14916b4959f4SRob Clark dev->mode_config.plane_type_property = prop; 14926b4959f4SRob Clark 14936b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 14946b4959f4SRob Clark "SRC_X", 0, UINT_MAX); 14956b4959f4SRob Clark if (!prop) 14966b4959f4SRob Clark return -ENOMEM; 14976b4959f4SRob Clark dev->mode_config.prop_src_x = prop; 14986b4959f4SRob Clark 14996b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15006b4959f4SRob Clark "SRC_Y", 0, UINT_MAX); 15016b4959f4SRob Clark if (!prop) 15026b4959f4SRob Clark return -ENOMEM; 15036b4959f4SRob Clark dev->mode_config.prop_src_y = prop; 15046b4959f4SRob Clark 15056b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15066b4959f4SRob Clark "SRC_W", 0, UINT_MAX); 15076b4959f4SRob Clark if (!prop) 15086b4959f4SRob Clark return -ENOMEM; 15096b4959f4SRob Clark dev->mode_config.prop_src_w = prop; 15106b4959f4SRob Clark 15116b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15126b4959f4SRob Clark "SRC_H", 0, UINT_MAX); 15136b4959f4SRob Clark if (!prop) 15146b4959f4SRob Clark return -ENOMEM; 15156b4959f4SRob Clark dev->mode_config.prop_src_h = prop; 15166b4959f4SRob Clark 15176b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 15186b4959f4SRob Clark "CRTC_X", INT_MIN, INT_MAX); 15196b4959f4SRob Clark if (!prop) 15206b4959f4SRob Clark return -ENOMEM; 15216b4959f4SRob Clark dev->mode_config.prop_crtc_x = prop; 15226b4959f4SRob Clark 15236b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 15246b4959f4SRob Clark "CRTC_Y", INT_MIN, INT_MAX); 15256b4959f4SRob Clark if (!prop) 15266b4959f4SRob Clark return -ENOMEM; 15276b4959f4SRob Clark dev->mode_config.prop_crtc_y = prop; 15286b4959f4SRob Clark 15296b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15306b4959f4SRob Clark "CRTC_W", 0, INT_MAX); 15316b4959f4SRob Clark if (!prop) 15326b4959f4SRob Clark return -ENOMEM; 15336b4959f4SRob Clark dev->mode_config.prop_crtc_w = prop; 15346b4959f4SRob Clark 15356b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15366b4959f4SRob Clark "CRTC_H", 0, INT_MAX); 15376b4959f4SRob Clark if (!prop) 15386b4959f4SRob Clark return -ENOMEM; 15396b4959f4SRob Clark dev->mode_config.prop_crtc_h = prop; 15406b4959f4SRob Clark 15416b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 15426b4959f4SRob Clark "FB_ID", DRM_MODE_OBJECT_FB); 15436b4959f4SRob Clark if (!prop) 15446b4959f4SRob Clark return -ENOMEM; 15456b4959f4SRob Clark dev->mode_config.prop_fb_id = prop; 15466b4959f4SRob Clark 15476b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 15486b4959f4SRob Clark "CRTC_ID", DRM_MODE_OBJECT_CRTC); 15496b4959f4SRob Clark if (!prop) 15506b4959f4SRob Clark return -ENOMEM; 15516b4959f4SRob Clark dev->mode_config.prop_crtc_id = prop; 15529922ab5aSRob Clark 1553eab3bbefSDaniel Vetter prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, 1554eab3bbefSDaniel Vetter "ACTIVE"); 1555eab3bbefSDaniel Vetter if (!prop) 1556eab3bbefSDaniel Vetter return -ENOMEM; 1557eab3bbefSDaniel Vetter dev->mode_config.prop_active = prop; 1558eab3bbefSDaniel Vetter 1559955f3c33SDaniel Stone prop = drm_property_create(dev, 1560955f3c33SDaniel Stone DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB, 1561955f3c33SDaniel Stone "MODE_ID", 0); 1562955f3c33SDaniel Stone if (!prop) 1563955f3c33SDaniel Stone return -ENOMEM; 1564955f3c33SDaniel Stone dev->mode_config.prop_mode_id = prop; 1565955f3c33SDaniel Stone 15665488dc16SLionel Landwerlin prop = drm_property_create(dev, 15675488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 15685488dc16SLionel Landwerlin "DEGAMMA_LUT", 0); 15695488dc16SLionel Landwerlin if (!prop) 15705488dc16SLionel Landwerlin return -ENOMEM; 15715488dc16SLionel Landwerlin dev->mode_config.degamma_lut_property = prop; 15725488dc16SLionel Landwerlin 15735488dc16SLionel Landwerlin prop = drm_property_create_range(dev, 15745488dc16SLionel Landwerlin DRM_MODE_PROP_IMMUTABLE, 15755488dc16SLionel Landwerlin "DEGAMMA_LUT_SIZE", 0, UINT_MAX); 15765488dc16SLionel Landwerlin if (!prop) 15775488dc16SLionel Landwerlin return -ENOMEM; 15785488dc16SLionel Landwerlin dev->mode_config.degamma_lut_size_property = prop; 15795488dc16SLionel Landwerlin 15805488dc16SLionel Landwerlin prop = drm_property_create(dev, 15815488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 15825488dc16SLionel Landwerlin "CTM", 0); 15835488dc16SLionel Landwerlin if (!prop) 15845488dc16SLionel Landwerlin return -ENOMEM; 15855488dc16SLionel Landwerlin dev->mode_config.ctm_property = prop; 15865488dc16SLionel Landwerlin 15875488dc16SLionel Landwerlin prop = drm_property_create(dev, 15885488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 15895488dc16SLionel Landwerlin "GAMMA_LUT", 0); 15905488dc16SLionel Landwerlin if (!prop) 15915488dc16SLionel Landwerlin return -ENOMEM; 15925488dc16SLionel Landwerlin dev->mode_config.gamma_lut_property = prop; 15935488dc16SLionel Landwerlin 15945488dc16SLionel Landwerlin prop = drm_property_create_range(dev, 15955488dc16SLionel Landwerlin DRM_MODE_PROP_IMMUTABLE, 15965488dc16SLionel Landwerlin "GAMMA_LUT_SIZE", 0, UINT_MAX); 15975488dc16SLionel Landwerlin if (!prop) 15985488dc16SLionel Landwerlin return -ENOMEM; 15995488dc16SLionel Landwerlin dev->mode_config.gamma_lut_size_property = prop; 16005488dc16SLionel Landwerlin 16019922ab5aSRob Clark return 0; 16029922ab5aSRob Clark } 16039922ab5aSRob Clark 1604f453ba04SDave Airlie /** 1605f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1606f453ba04SDave Airlie * @dev: DRM device 1607f453ba04SDave Airlie * 1608f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1609f453ba04SDave Airlie */ 1610f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1611f453ba04SDave Airlie { 1612f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1613f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1614f453ba04SDave Airlie 1615f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1616f453ba04SDave Airlie return 0; 1617f453ba04SDave Airlie 1618f453ba04SDave Airlie dvi_i_selector = 16194a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1620f453ba04SDave Airlie "select subconnector", 16214a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1622f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1623f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1624f453ba04SDave Airlie 16254a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1626f453ba04SDave Airlie "subconnector", 16274a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1628f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1629f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1630f453ba04SDave Airlie 1631f453ba04SDave Airlie return 0; 1632f453ba04SDave Airlie } 1633f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1634f453ba04SDave Airlie 1635f453ba04SDave Airlie /** 1636f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1637f453ba04SDave Airlie * @dev: DRM device 1638f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1639f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1640f453ba04SDave Airlie * 1641f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1642f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1643f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1644f453ba04SDave Airlie * this routine. 1645f453ba04SDave Airlie */ 16462f763312SThierry Reding int drm_mode_create_tv_properties(struct drm_device *dev, 16472f763312SThierry Reding unsigned int num_modes, 1648b7c914b3SVille Syrjälä const char * const modes[]) 1649f453ba04SDave Airlie { 1650f453ba04SDave Airlie struct drm_property *tv_selector; 1651f453ba04SDave Airlie struct drm_property *tv_subconnector; 16522f763312SThierry Reding unsigned int i; 1653f453ba04SDave Airlie 1654f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1655f453ba04SDave Airlie return 0; 1656f453ba04SDave Airlie 1657f453ba04SDave Airlie /* 1658f453ba04SDave Airlie * Basic connector properties 1659f453ba04SDave Airlie */ 16604a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1661f453ba04SDave Airlie "select subconnector", 16624a67d391SSascha Hauer drm_tv_select_enum_list, 1663f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 166448aa1e74SInsu Yun if (!tv_selector) 166548aa1e74SInsu Yun goto nomem; 166648aa1e74SInsu Yun 1667f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1668f453ba04SDave Airlie 1669f453ba04SDave Airlie tv_subconnector = 16704a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 16714a67d391SSascha Hauer "subconnector", 16724a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1673f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 167448aa1e74SInsu Yun if (!tv_subconnector) 167548aa1e74SInsu Yun goto nomem; 1676f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1677f453ba04SDave Airlie 1678f453ba04SDave Airlie /* 1679f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1680f453ba04SDave Airlie */ 1681f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1682d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 168348aa1e74SInsu Yun if (!dev->mode_config.tv_left_margin_property) 168448aa1e74SInsu Yun goto nomem; 1685f453ba04SDave Airlie 1686f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1687d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 168848aa1e74SInsu Yun if (!dev->mode_config.tv_right_margin_property) 168948aa1e74SInsu Yun goto nomem; 1690f453ba04SDave Airlie 1691f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1692d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 169348aa1e74SInsu Yun if (!dev->mode_config.tv_top_margin_property) 169448aa1e74SInsu Yun goto nomem; 1695f453ba04SDave Airlie 1696f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1697d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 169848aa1e74SInsu Yun if (!dev->mode_config.tv_bottom_margin_property) 169948aa1e74SInsu Yun goto nomem; 1700f453ba04SDave Airlie 1701f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1702f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1703f453ba04SDave Airlie "mode", num_modes); 170448aa1e74SInsu Yun if (!dev->mode_config.tv_mode_property) 170548aa1e74SInsu Yun goto nomem; 170648aa1e74SInsu Yun 1707f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1708f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1709f453ba04SDave Airlie i, modes[i]); 1710f453ba04SDave Airlie 1711b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1712d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 171348aa1e74SInsu Yun if (!dev->mode_config.tv_brightness_property) 171448aa1e74SInsu Yun goto nomem; 1715b6b7902eSFrancisco Jerez 1716b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1717d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 171848aa1e74SInsu Yun if (!dev->mode_config.tv_contrast_property) 171948aa1e74SInsu Yun goto nomem; 1720b6b7902eSFrancisco Jerez 1721b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1722d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 172348aa1e74SInsu Yun if (!dev->mode_config.tv_flicker_reduction_property) 172448aa1e74SInsu Yun goto nomem; 1725b6b7902eSFrancisco Jerez 1726a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1727d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 172848aa1e74SInsu Yun if (!dev->mode_config.tv_overscan_property) 172948aa1e74SInsu Yun goto nomem; 1730a75f0236SFrancisco Jerez 1731a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1732d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 173348aa1e74SInsu Yun if (!dev->mode_config.tv_saturation_property) 173448aa1e74SInsu Yun goto nomem; 1735a75f0236SFrancisco Jerez 1736a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1737d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 173848aa1e74SInsu Yun if (!dev->mode_config.tv_hue_property) 173948aa1e74SInsu Yun goto nomem; 1740a75f0236SFrancisco Jerez 1741f453ba04SDave Airlie return 0; 174248aa1e74SInsu Yun nomem: 174348aa1e74SInsu Yun return -ENOMEM; 1744f453ba04SDave Airlie } 1745f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1746f453ba04SDave Airlie 1747f453ba04SDave Airlie /** 1748f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1749f453ba04SDave Airlie * @dev: DRM device 1750f453ba04SDave Airlie * 1751f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1752f453ba04SDave Airlie * connectors. 1753f453ba04SDave Airlie */ 1754f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1755f453ba04SDave Airlie { 1756f453ba04SDave Airlie struct drm_property *scaling_mode; 1757f453ba04SDave Airlie 1758f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1759f453ba04SDave Airlie return 0; 1760f453ba04SDave Airlie 1761f453ba04SDave Airlie scaling_mode = 17624a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 17634a67d391SSascha Hauer drm_scaling_mode_enum_list, 1764f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1765f453ba04SDave Airlie 1766f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1767f453ba04SDave Airlie 1768f453ba04SDave Airlie return 0; 1769f453ba04SDave Airlie } 1770f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1771f453ba04SDave Airlie 1772f453ba04SDave Airlie /** 1773ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1774ff587e45SVandana Kannan * @dev: DRM device 1775ff587e45SVandana Kannan * 1776ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1777ff587e45SVandana Kannan * connectors. 1778ff587e45SVandana Kannan * 1779ff587e45SVandana Kannan * Returns: 17801a498633SDaniel Vetter * Zero on success, negative errno on failure. 1781ff587e45SVandana Kannan */ 1782ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1783ff587e45SVandana Kannan { 1784ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1785ff587e45SVandana Kannan return 0; 1786ff587e45SVandana Kannan 1787ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1788ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1789ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1790ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1791ff587e45SVandana Kannan 1792ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1793ff587e45SVandana Kannan return -ENOMEM; 1794ff587e45SVandana Kannan 1795ff587e45SVandana Kannan return 0; 1796ff587e45SVandana Kannan } 1797ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1798ff587e45SVandana Kannan 1799ff587e45SVandana Kannan /** 1800884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1801884840aaSJakob Bornecrantz * @dev: DRM device 1802884840aaSJakob Bornecrantz * 1803884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1804884840aaSJakob Bornecrantz * connectors. 1805884840aaSJakob Bornecrantz */ 1806884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1807884840aaSJakob Bornecrantz { 1808884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1809884840aaSJakob Bornecrantz 1810884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1811884840aaSJakob Bornecrantz return 0; 1812884840aaSJakob Bornecrantz 1813884840aaSJakob Bornecrantz dirty_info = 18144a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1815884840aaSJakob Bornecrantz "dirty", 18164a67d391SSascha Hauer drm_dirty_info_enum_list, 1817884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1818884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1819884840aaSJakob Bornecrantz 1820884840aaSJakob Bornecrantz return 0; 1821884840aaSJakob Bornecrantz } 1822884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1823884840aaSJakob Bornecrantz 18245bb2bbf5SDave Airlie /** 18255bb2bbf5SDave Airlie * drm_mode_create_suggested_offset_properties - create suggests offset properties 18265bb2bbf5SDave Airlie * @dev: DRM device 18275bb2bbf5SDave Airlie * 18285bb2bbf5SDave Airlie * Create the the suggested x/y offset property for connectors. 18295bb2bbf5SDave Airlie */ 18305bb2bbf5SDave Airlie int drm_mode_create_suggested_offset_properties(struct drm_device *dev) 18315bb2bbf5SDave Airlie { 18325bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) 18335bb2bbf5SDave Airlie return 0; 18345bb2bbf5SDave Airlie 18355bb2bbf5SDave Airlie dev->mode_config.suggested_x_property = 18365bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); 18375bb2bbf5SDave Airlie 18385bb2bbf5SDave Airlie dev->mode_config.suggested_y_property = 18395bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); 18405bb2bbf5SDave Airlie 18415bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property == NULL || 18425bb2bbf5SDave Airlie dev->mode_config.suggested_y_property == NULL) 18435bb2bbf5SDave Airlie return -ENOMEM; 18445bb2bbf5SDave Airlie return 0; 18455bb2bbf5SDave Airlie } 18465bb2bbf5SDave Airlie EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); 18475bb2bbf5SDave Airlie 1848f453ba04SDave Airlie /** 1849f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1850065a50edSDaniel Vetter * @dev: drm device for the ioctl 1851065a50edSDaniel Vetter * @data: data pointer for the ioctl 1852065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1853f453ba04SDave Airlie * 1854f453ba04SDave Airlie * Construct a set of configuration description structures and return 1855f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1856f453ba04SDave Airlie * 1857f453ba04SDave Airlie * Called by the user via ioctl. 1858f453ba04SDave Airlie * 1859c8e32cc1SDaniel Vetter * Returns: 18601a498633SDaniel Vetter * Zero on success, negative errno on failure. 1861f453ba04SDave Airlie */ 1862f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1863f453ba04SDave Airlie struct drm_file *file_priv) 1864f453ba04SDave Airlie { 1865f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1866f453ba04SDave Airlie struct list_head *lh; 1867f453ba04SDave Airlie struct drm_framebuffer *fb; 1868f453ba04SDave Airlie struct drm_connector *connector; 1869f453ba04SDave Airlie struct drm_crtc *crtc; 1870f453ba04SDave Airlie struct drm_encoder *encoder; 1871f453ba04SDave Airlie int ret = 0; 1872f453ba04SDave Airlie int connector_count = 0; 1873f453ba04SDave Airlie int crtc_count = 0; 1874f453ba04SDave Airlie int fb_count = 0; 1875f453ba04SDave Airlie int encoder_count = 0; 18769c7060f7SDaniel Vetter int copied = 0; 1877f453ba04SDave Airlie uint32_t __user *fb_id; 1878f453ba04SDave Airlie uint32_t __user *crtc_id; 1879f453ba04SDave Airlie uint32_t __user *connector_id; 1880f453ba04SDave Airlie uint32_t __user *encoder_id; 1881f453ba04SDave Airlie 1882fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1883fb3b06c8SDave Airlie return -EINVAL; 1884fb3b06c8SDave Airlie 1885f453ba04SDave Airlie 18864b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1887f453ba04SDave Airlie /* 1888f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1889f453ba04SDave Airlie * by IDs in the group list for this node 1890f453ba04SDave Airlie */ 1891f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1892f453ba04SDave Airlie fb_count++; 1893f453ba04SDave Airlie 18944b096ac1SDaniel Vetter /* handle this in 4 parts */ 18954b096ac1SDaniel Vetter /* FBs */ 18964b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 18974b096ac1SDaniel Vetter copied = 0; 18984b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 18994b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 19004b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 19014b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 19024b096ac1SDaniel Vetter return -EFAULT; 19034b096ac1SDaniel Vetter } 19044b096ac1SDaniel Vetter copied++; 19054b096ac1SDaniel Vetter } 19064b096ac1SDaniel Vetter } 19074b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 19084b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 19094b096ac1SDaniel Vetter 1910fcf93f69SDaniel Vetter /* mode_config.mutex protects the connector list against e.g. DP MST 1911fcf93f69SDaniel Vetter * connector hot-adding. CRTC/Plane lists are invariant. */ 1912fcf93f69SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1913e4f62546SDaniel Vetter drm_for_each_crtc(crtc, dev) 1914f453ba04SDave Airlie crtc_count++; 1915f453ba04SDave Airlie 19169a9f5ce8SDaniel Vetter drm_for_each_connector(connector, dev) 1917f453ba04SDave Airlie connector_count++; 1918f453ba04SDave Airlie 1919e4f62546SDaniel Vetter drm_for_each_encoder(encoder, dev) 1920f453ba04SDave Airlie encoder_count++; 1921f453ba04SDave Airlie 1922f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1923f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1924f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1925f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1926f453ba04SDave Airlie 1927f453ba04SDave Airlie /* CRTCs */ 1928f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1929f453ba04SDave Airlie copied = 0; 1930f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 19316295d607SDaniel Vetter drm_for_each_crtc(crtc, dev) { 1932fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", 1933fa3ab4c2SVille Syrjälä crtc->base.id, crtc->name); 1934f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1935f453ba04SDave Airlie ret = -EFAULT; 1936f453ba04SDave Airlie goto out; 1937f453ba04SDave Airlie } 1938f453ba04SDave Airlie copied++; 1939f453ba04SDave Airlie } 1940f453ba04SDave Airlie } 1941f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1942f453ba04SDave Airlie 1943f453ba04SDave Airlie /* Encoders */ 1944f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1945f453ba04SDave Airlie copied = 0; 1946f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 19476295d607SDaniel Vetter drm_for_each_encoder(encoder, dev) { 19489440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 194983a8cfd3SJani Nikula encoder->name); 1950f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1951f453ba04SDave Airlie copied)) { 1952f453ba04SDave Airlie ret = -EFAULT; 1953f453ba04SDave Airlie goto out; 1954f453ba04SDave Airlie } 1955f453ba04SDave Airlie copied++; 1956f453ba04SDave Airlie } 1957f453ba04SDave Airlie } 1958f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1959f453ba04SDave Airlie 1960f453ba04SDave Airlie /* Connectors */ 1961f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1962f453ba04SDave Airlie copied = 0; 1963f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 19646295d607SDaniel Vetter drm_for_each_connector(connector, dev) { 19659440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 19669440106bSJerome Glisse connector->base.id, 196725933820SJani Nikula connector->name); 1968f453ba04SDave Airlie if (put_user(connector->base.id, 1969f453ba04SDave Airlie connector_id + copied)) { 1970f453ba04SDave Airlie ret = -EFAULT; 1971f453ba04SDave Airlie goto out; 1972f453ba04SDave Airlie } 1973f453ba04SDave Airlie copied++; 1974f453ba04SDave Airlie } 1975f453ba04SDave Airlie } 1976f453ba04SDave Airlie card_res->count_connectors = connector_count; 1977f453ba04SDave Airlie 19789440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1979f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1980f453ba04SDave Airlie 1981f453ba04SDave Airlie out: 1982fcf93f69SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 1983f453ba04SDave Airlie return ret; 1984f453ba04SDave Airlie } 1985f453ba04SDave Airlie 1986f453ba04SDave Airlie /** 1987f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1988065a50edSDaniel Vetter * @dev: drm device for the ioctl 1989065a50edSDaniel Vetter * @data: data pointer for the ioctl 1990065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1991f453ba04SDave Airlie * 1992f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1993f453ba04SDave Airlie * 1994f453ba04SDave Airlie * Called by the user via ioctl. 1995f453ba04SDave Airlie * 1996c8e32cc1SDaniel Vetter * Returns: 19971a498633SDaniel Vetter * Zero on success, negative errno on failure. 1998f453ba04SDave Airlie */ 1999f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 2000f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2001f453ba04SDave Airlie { 2002f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 2003f453ba04SDave Airlie struct drm_crtc *crtc; 2004f453ba04SDave Airlie 2005fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2006fb3b06c8SDave Airlie return -EINVAL; 2007fb3b06c8SDave Airlie 2008a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 2009fcf93f69SDaniel Vetter if (!crtc) 2010fcf93f69SDaniel Vetter return -ENOENT; 2011f453ba04SDave Airlie 2012fcf93f69SDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 2013f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 2014f4510a27SMatt Roper if (crtc->primary->fb) 2015f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 2016f453ba04SDave Airlie else 2017f453ba04SDave Airlie crtc_resp->fb_id = 0; 2018f453ba04SDave Airlie 201931c946e8SDaniel Vetter if (crtc->state) { 202031c946e8SDaniel Vetter crtc_resp->x = crtc->primary->state->src_x >> 16; 202131c946e8SDaniel Vetter crtc_resp->y = crtc->primary->state->src_y >> 16; 202231c946e8SDaniel Vetter if (crtc->state->enable) { 2023934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); 202431c946e8SDaniel Vetter crtc_resp->mode_valid = 1; 2025f453ba04SDave Airlie 202631c946e8SDaniel Vetter } else { 202731c946e8SDaniel Vetter crtc_resp->mode_valid = 0; 202831c946e8SDaniel Vetter } 202931c946e8SDaniel Vetter } else { 203031c946e8SDaniel Vetter crtc_resp->x = crtc->x; 203131c946e8SDaniel Vetter crtc_resp->y = crtc->y; 203231c946e8SDaniel Vetter if (crtc->enabled) { 2033934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); 2034f453ba04SDave Airlie crtc_resp->mode_valid = 1; 2035f453ba04SDave Airlie 2036f453ba04SDave Airlie } else { 2037f453ba04SDave Airlie crtc_resp->mode_valid = 0; 2038f453ba04SDave Airlie } 203931c946e8SDaniel Vetter } 2040fcf93f69SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2041f453ba04SDave Airlie 2042baf698b0SDaniel Vetter return 0; 2043f453ba04SDave Airlie } 2044f453ba04SDave Airlie 204561d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 204661d8e328SDamien Lespiau const struct drm_file *file_priv) 204761d8e328SDamien Lespiau { 204861d8e328SDamien Lespiau /* 204961d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 205061d8e328SDamien Lespiau * modes, don't expose them. 205161d8e328SDamien Lespiau */ 205261d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 205361d8e328SDamien Lespiau return false; 205461d8e328SDamien Lespiau 205561d8e328SDamien Lespiau return true; 205661d8e328SDamien Lespiau } 205761d8e328SDamien Lespiau 2058abd69c55SDaniel Vetter static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) 2059abd69c55SDaniel Vetter { 2060abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2061abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2062abd69c55SDaniel Vetter if (connector->state) 2063abd69c55SDaniel Vetter return connector->state->best_encoder; 2064abd69c55SDaniel Vetter return connector->encoder; 2065abd69c55SDaniel Vetter } 2066abd69c55SDaniel Vetter 206795cbf110SRob Clark /* helper for getconnector and getproperties ioctls */ 206888a48e29SRob Clark static int get_properties(struct drm_mode_object *obj, bool atomic, 206995cbf110SRob Clark uint32_t __user *prop_ptr, uint64_t __user *prop_values, 207095cbf110SRob Clark uint32_t *arg_count_props) 207195cbf110SRob Clark { 207288a48e29SRob Clark int props_count; 207388a48e29SRob Clark int i, ret, copied; 207488a48e29SRob Clark 207588a48e29SRob Clark props_count = obj->properties->count; 207688a48e29SRob Clark if (!atomic) 207788a48e29SRob Clark props_count -= obj->properties->atomic_count; 207895cbf110SRob Clark 207995cbf110SRob Clark if ((*arg_count_props >= props_count) && props_count) { 208088a48e29SRob Clark for (i = 0, copied = 0; copied < props_count; i++) { 208195cbf110SRob Clark struct drm_property *prop = obj->properties->properties[i]; 208295cbf110SRob Clark uint64_t val; 208395cbf110SRob Clark 208488a48e29SRob Clark if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) 208588a48e29SRob Clark continue; 208688a48e29SRob Clark 208795cbf110SRob Clark ret = drm_object_property_get_value(obj, prop, &val); 208895cbf110SRob Clark if (ret) 208995cbf110SRob Clark return ret; 209095cbf110SRob Clark 209195cbf110SRob Clark if (put_user(prop->base.id, prop_ptr + copied)) 209295cbf110SRob Clark return -EFAULT; 209395cbf110SRob Clark 209495cbf110SRob Clark if (put_user(val, prop_values + copied)) 209595cbf110SRob Clark return -EFAULT; 209695cbf110SRob Clark 209795cbf110SRob Clark copied++; 209895cbf110SRob Clark } 209995cbf110SRob Clark } 210095cbf110SRob Clark *arg_count_props = props_count; 210195cbf110SRob Clark 210295cbf110SRob Clark return 0; 210395cbf110SRob Clark } 210495cbf110SRob Clark 2105f453ba04SDave Airlie /** 2106f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 2107065a50edSDaniel Vetter * @dev: drm device for the ioctl 2108065a50edSDaniel Vetter * @data: data pointer for the ioctl 2109065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2110f453ba04SDave Airlie * 2111f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 2112f453ba04SDave Airlie * 2113f453ba04SDave Airlie * Called by the user via ioctl. 2114f453ba04SDave Airlie * 2115c8e32cc1SDaniel Vetter * Returns: 21161a498633SDaniel Vetter * Zero on success, negative errno on failure. 2117f453ba04SDave Airlie */ 2118f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 2119f453ba04SDave Airlie struct drm_file *file_priv) 2120f453ba04SDave Airlie { 2121f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 2122f453ba04SDave Airlie struct drm_connector *connector; 2123abd69c55SDaniel Vetter struct drm_encoder *encoder; 2124f453ba04SDave Airlie struct drm_display_mode *mode; 2125f453ba04SDave Airlie int mode_count = 0; 2126f453ba04SDave Airlie int encoders_count = 0; 2127f453ba04SDave Airlie int ret = 0; 2128f453ba04SDave Airlie int copied = 0; 2129f453ba04SDave Airlie int i; 2130f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 2131f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 2132f453ba04SDave Airlie uint32_t __user *encoder_ptr; 2133f453ba04SDave Airlie 2134fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2135fb3b06c8SDave Airlie return -EINVAL; 2136fb3b06c8SDave Airlie 2137f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 2138f453ba04SDave Airlie 21399440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 2140f453ba04SDave Airlie 21417b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 2142f453ba04SDave Airlie 2143a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 2144a2b34e22SRob Clark if (!connector) { 2145f27657f2SVille Syrjälä ret = -ENOENT; 214604bdf441STommi Rantala goto out_unlock; 2147f453ba04SDave Airlie } 2148f453ba04SDave Airlie 214901073b08SThierry Reding for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) 215001073b08SThierry Reding if (connector->encoder_ids[i] != 0) 2151f453ba04SDave Airlie encoders_count++; 2152f453ba04SDave Airlie 2153f453ba04SDave Airlie if (out_resp->count_modes == 0) { 2154f453ba04SDave Airlie connector->funcs->fill_modes(connector, 2155f453ba04SDave Airlie dev->mode_config.max_width, 2156f453ba04SDave Airlie dev->mode_config.max_height); 2157f453ba04SDave Airlie } 2158f453ba04SDave Airlie 2159f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2160f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 216161d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2162f453ba04SDave Airlie mode_count++; 2163f453ba04SDave Airlie 2164f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2165f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2166f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2167f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2168f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2169f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2170f453ba04SDave Airlie out_resp->connection = connector->status; 21712caa80e7SDaniel Vetter 21722caa80e7SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2173abd69c55SDaniel Vetter encoder = drm_connector_get_encoder(connector); 2174abd69c55SDaniel Vetter if (encoder) 2175abd69c55SDaniel Vetter out_resp->encoder_id = encoder->base.id; 2176f453ba04SDave Airlie else 2177f453ba04SDave Airlie out_resp->encoder_id = 0; 2178f453ba04SDave Airlie 2179f453ba04SDave Airlie /* 2180f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2181f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2182f453ba04SDave Airlie */ 2183f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2184f453ba04SDave Airlie copied = 0; 218581f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2186f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 218761d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 218861d8e328SDamien Lespiau continue; 218961d8e328SDamien Lespiau 2190934a8a89SDaniel Stone drm_mode_convert_to_umode(&u_mode, mode); 2191f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2192f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2193f453ba04SDave Airlie ret = -EFAULT; 2194f453ba04SDave Airlie goto out; 2195f453ba04SDave Airlie } 2196f453ba04SDave Airlie copied++; 2197f453ba04SDave Airlie } 2198f453ba04SDave Airlie } 2199f453ba04SDave Airlie out_resp->count_modes = mode_count; 2200f453ba04SDave Airlie 220188a48e29SRob Clark ret = get_properties(&connector->base, file_priv->atomic, 220295cbf110SRob Clark (uint32_t __user *)(unsigned long)(out_resp->props_ptr), 220395cbf110SRob Clark (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), 220495cbf110SRob Clark &out_resp->count_props); 220522b8b13bSRob Clark if (ret) 2206f453ba04SDave Airlie goto out; 2207f453ba04SDave Airlie 2208f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2209f453ba04SDave Airlie copied = 0; 221081f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2211f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2212f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2213f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2214f453ba04SDave Airlie encoder_ptr + copied)) { 2215f453ba04SDave Airlie ret = -EFAULT; 2216f453ba04SDave Airlie goto out; 2217f453ba04SDave Airlie } 2218f453ba04SDave Airlie copied++; 2219f453ba04SDave Airlie } 2220f453ba04SDave Airlie } 2221f453ba04SDave Airlie } 2222f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2223f453ba04SDave Airlie 2224f453ba04SDave Airlie out: 2225ccfc0865SRob Clark drm_modeset_unlock(&dev->mode_config.connection_mutex); 222604bdf441STommi Rantala 222704bdf441STommi Rantala out_unlock: 22287b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 22297b24056bSDaniel Vetter 2230f453ba04SDave Airlie return ret; 2231f453ba04SDave Airlie } 2232f453ba04SDave Airlie 2233abd69c55SDaniel Vetter static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) 2234abd69c55SDaniel Vetter { 2235abd69c55SDaniel Vetter struct drm_connector *connector; 2236abd69c55SDaniel Vetter struct drm_device *dev = encoder->dev; 2237abd69c55SDaniel Vetter bool uses_atomic = false; 2238abd69c55SDaniel Vetter 2239abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2240abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 22416295d607SDaniel Vetter drm_for_each_connector(connector, dev) { 2242abd69c55SDaniel Vetter if (!connector->state) 2243abd69c55SDaniel Vetter continue; 2244abd69c55SDaniel Vetter 2245abd69c55SDaniel Vetter uses_atomic = true; 2246abd69c55SDaniel Vetter 2247abd69c55SDaniel Vetter if (connector->state->best_encoder != encoder) 2248abd69c55SDaniel Vetter continue; 2249abd69c55SDaniel Vetter 2250abd69c55SDaniel Vetter return connector->state->crtc; 2251abd69c55SDaniel Vetter } 2252abd69c55SDaniel Vetter 2253abd69c55SDaniel Vetter /* Don't return stale data (e.g. pending async disable). */ 2254abd69c55SDaniel Vetter if (uses_atomic) 2255abd69c55SDaniel Vetter return NULL; 2256abd69c55SDaniel Vetter 2257abd69c55SDaniel Vetter return encoder->crtc; 2258abd69c55SDaniel Vetter } 2259abd69c55SDaniel Vetter 2260c8e32cc1SDaniel Vetter /** 2261c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2262c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2263c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2264c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2265c8e32cc1SDaniel Vetter * 2266c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2267c8e32cc1SDaniel Vetter * 2268c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2269c8e32cc1SDaniel Vetter * 2270c8e32cc1SDaniel Vetter * Returns: 22711a498633SDaniel Vetter * Zero on success, negative errno on failure. 2272c8e32cc1SDaniel Vetter */ 2273f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2274f453ba04SDave Airlie struct drm_file *file_priv) 2275f453ba04SDave Airlie { 2276f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2277f453ba04SDave Airlie struct drm_encoder *encoder; 2278abd69c55SDaniel Vetter struct drm_crtc *crtc; 2279f453ba04SDave Airlie 2280fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2281fb3b06c8SDave Airlie return -EINVAL; 2282fb3b06c8SDave Airlie 2283a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2284fcf93f69SDaniel Vetter if (!encoder) 2285fcf93f69SDaniel Vetter return -ENOENT; 2286f453ba04SDave Airlie 2287fcf93f69SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2288abd69c55SDaniel Vetter crtc = drm_encoder_get_crtc(encoder); 2289abd69c55SDaniel Vetter if (crtc) 2290abd69c55SDaniel Vetter enc_resp->crtc_id = crtc->base.id; 2291f453ba04SDave Airlie else 2292f453ba04SDave Airlie enc_resp->crtc_id = 0; 2293fcf93f69SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2294fcf93f69SDaniel Vetter 2295f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2296f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2297f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2298f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2299f453ba04SDave Airlie 2300baf698b0SDaniel Vetter return 0; 2301f453ba04SDave Airlie } 2302f453ba04SDave Airlie 2303f453ba04SDave Airlie /** 2304c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 23058cf5c917SJesse Barnes * @dev: DRM device 23068cf5c917SJesse Barnes * @data: ioctl data 23078cf5c917SJesse Barnes * @file_priv: DRM file info 23088cf5c917SJesse Barnes * 2309c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2310c8e32cc1SDaniel Vetter * 2311c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2312c8e32cc1SDaniel Vetter * 2313c8e32cc1SDaniel Vetter * Returns: 23141a498633SDaniel Vetter * Zero on success, negative errno on failure. 23158cf5c917SJesse Barnes */ 23168cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 23178cf5c917SJesse Barnes struct drm_file *file_priv) 23188cf5c917SJesse Barnes { 23198cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 23208cf5c917SJesse Barnes struct drm_mode_config *config; 23218cf5c917SJesse Barnes struct drm_plane *plane; 23228cf5c917SJesse Barnes uint32_t __user *plane_ptr; 2323fcf93f69SDaniel Vetter int copied = 0; 2324681e7ec7SMatt Roper unsigned num_planes; 23258cf5c917SJesse Barnes 23268cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23278cf5c917SJesse Barnes return -EINVAL; 23288cf5c917SJesse Barnes 23298cf5c917SJesse Barnes config = &dev->mode_config; 23308cf5c917SJesse Barnes 2331681e7ec7SMatt Roper if (file_priv->universal_planes) 2332681e7ec7SMatt Roper num_planes = config->num_total_plane; 2333681e7ec7SMatt Roper else 2334681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2335681e7ec7SMatt Roper 23368cf5c917SJesse Barnes /* 23378cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 23388cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 23398cf5c917SJesse Barnes */ 2340681e7ec7SMatt Roper if (num_planes && 2341681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 234281f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 23438cf5c917SJesse Barnes 2344fcf93f69SDaniel Vetter /* Plane lists are invariant, no locking needed. */ 2345e4f62546SDaniel Vetter drm_for_each_plane(plane, dev) { 2346681e7ec7SMatt Roper /* 2347681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2348681e7ec7SMatt Roper * capability bit, only advertise overlays. 2349681e7ec7SMatt Roper */ 2350681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2351681e7ec7SMatt Roper !file_priv->universal_planes) 2352e27dde3eSMatt Roper continue; 2353e27dde3eSMatt Roper 2354fcf93f69SDaniel Vetter if (put_user(plane->base.id, plane_ptr + copied)) 2355fcf93f69SDaniel Vetter return -EFAULT; 23568cf5c917SJesse Barnes copied++; 23578cf5c917SJesse Barnes } 23588cf5c917SJesse Barnes } 2359681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 23608cf5c917SJesse Barnes 2361fcf93f69SDaniel Vetter return 0; 23628cf5c917SJesse Barnes } 23638cf5c917SJesse Barnes 23648cf5c917SJesse Barnes /** 2365c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 23668cf5c917SJesse Barnes * @dev: DRM device 23678cf5c917SJesse Barnes * @data: ioctl data 23688cf5c917SJesse Barnes * @file_priv: DRM file info 23698cf5c917SJesse Barnes * 2370c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2371c8e32cc1SDaniel Vetter * 2372c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2373c8e32cc1SDaniel Vetter * 2374c8e32cc1SDaniel Vetter * Returns: 23751a498633SDaniel Vetter * Zero on success, negative errno on failure. 23768cf5c917SJesse Barnes */ 23778cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 23788cf5c917SJesse Barnes struct drm_file *file_priv) 23798cf5c917SJesse Barnes { 23808cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 23818cf5c917SJesse Barnes struct drm_plane *plane; 23828cf5c917SJesse Barnes uint32_t __user *format_ptr; 23838cf5c917SJesse Barnes 23848cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23858cf5c917SJesse Barnes return -EINVAL; 23868cf5c917SJesse Barnes 2387a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2388fcf93f69SDaniel Vetter if (!plane) 2389fcf93f69SDaniel Vetter return -ENOENT; 23908cf5c917SJesse Barnes 2391fcf93f69SDaniel Vetter drm_modeset_lock(&plane->mutex, NULL); 23928cf5c917SJesse Barnes if (plane->crtc) 23938cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 23948cf5c917SJesse Barnes else 23958cf5c917SJesse Barnes plane_resp->crtc_id = 0; 23968cf5c917SJesse Barnes 23978cf5c917SJesse Barnes if (plane->fb) 23988cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 23998cf5c917SJesse Barnes else 24008cf5c917SJesse Barnes plane_resp->fb_id = 0; 2401fcf93f69SDaniel Vetter drm_modeset_unlock(&plane->mutex); 24028cf5c917SJesse Barnes 24038cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 24048cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2405778ad903SVille Syrjälä plane_resp->gamma_size = 0; 24068cf5c917SJesse Barnes 24078cf5c917SJesse Barnes /* 24088cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 24098cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 24108cf5c917SJesse Barnes */ 24118cf5c917SJesse Barnes if (plane->format_count && 24128cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 241381f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 24148cf5c917SJesse Barnes if (copy_to_user(format_ptr, 24158cf5c917SJesse Barnes plane->format_types, 24168cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 2417fcf93f69SDaniel Vetter return -EFAULT; 24188cf5c917SJesse Barnes } 24198cf5c917SJesse Barnes } 24208cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 24218cf5c917SJesse Barnes 2422baf698b0SDaniel Vetter return 0; 24238cf5c917SJesse Barnes } 24248cf5c917SJesse Barnes 2425ead8610dSLaurent Pinchart /** 2426ead8610dSLaurent Pinchart * drm_plane_check_pixel_format - Check if the plane supports the pixel format 2427ead8610dSLaurent Pinchart * @plane: plane to check for format support 2428ead8610dSLaurent Pinchart * @format: the pixel format 2429ead8610dSLaurent Pinchart * 2430ead8610dSLaurent Pinchart * Returns: 2431ead8610dSLaurent Pinchart * Zero of @plane has @format in its list of supported pixel formats, -EINVAL 2432ead8610dSLaurent Pinchart * otherwise. 2433ead8610dSLaurent Pinchart */ 2434ead8610dSLaurent Pinchart int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) 2435ead8610dSLaurent Pinchart { 2436ead8610dSLaurent Pinchart unsigned int i; 2437ead8610dSLaurent Pinchart 2438ead8610dSLaurent Pinchart for (i = 0; i < plane->format_count; i++) { 2439ead8610dSLaurent Pinchart if (format == plane->format_types[i]) 2440ead8610dSLaurent Pinchart return 0; 2441ead8610dSLaurent Pinchart } 2442ead8610dSLaurent Pinchart 2443ead8610dSLaurent Pinchart return -EINVAL; 2444ead8610dSLaurent Pinchart } 2445ead8610dSLaurent Pinchart 2446ce8d9eccSVille Syrjälä static int check_src_coords(uint32_t src_x, uint32_t src_y, 2447ce8d9eccSVille Syrjälä uint32_t src_w, uint32_t src_h, 2448ce8d9eccSVille Syrjälä const struct drm_framebuffer *fb) 2449ce8d9eccSVille Syrjälä { 2450ce8d9eccSVille Syrjälä unsigned int fb_width, fb_height; 2451ce8d9eccSVille Syrjälä 2452ce8d9eccSVille Syrjälä fb_width = fb->width << 16; 2453ce8d9eccSVille Syrjälä fb_height = fb->height << 16; 2454ce8d9eccSVille Syrjälä 2455ce8d9eccSVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2456ce8d9eccSVille Syrjälä if (src_w > fb_width || 2457ce8d9eccSVille Syrjälä src_x > fb_width - src_w || 2458ce8d9eccSVille Syrjälä src_h > fb_height || 2459ce8d9eccSVille Syrjälä src_y > fb_height - src_h) { 2460ce8d9eccSVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 2461ce8d9eccSVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2462ce8d9eccSVille Syrjälä src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2463ce8d9eccSVille Syrjälä src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2464ce8d9eccSVille Syrjälä src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2465ce8d9eccSVille Syrjälä src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 2466ce8d9eccSVille Syrjälä return -ENOSPC; 2467ce8d9eccSVille Syrjälä } 2468ce8d9eccSVille Syrjälä 2469ce8d9eccSVille Syrjälä return 0; 2470ce8d9eccSVille Syrjälä } 2471ce8d9eccSVille Syrjälä 2472b36552b3SMatt Roper /* 2473b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 24748cf5c917SJesse Barnes * 2475b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2476b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2477b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2478c8e32cc1SDaniel Vetter * 2479b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 24808cf5c917SJesse Barnes */ 2481f2b50c11SDaniel Vetter static int __setplane_internal(struct drm_plane *plane, 248217cfd91fSChris Wilson struct drm_crtc *crtc, 2483b36552b3SMatt Roper struct drm_framebuffer *fb, 2484b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2485b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2486b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2487b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2488b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 24898cf5c917SJesse Barnes { 24908cf5c917SJesse Barnes int ret = 0; 24918cf5c917SJesse Barnes 24928cf5c917SJesse Barnes /* No fb means shut it down */ 2493b36552b3SMatt Roper if (!fb) { 24943d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2495731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2496731cce48SDaniel Vetter if (!ret) { 2497e5e3b44cSVille Syrjälä plane->crtc = NULL; 2498e5e3b44cSVille Syrjälä plane->fb = NULL; 2499731cce48SDaniel Vetter } else { 25003d30a59bSDaniel Vetter plane->old_fb = NULL; 2501731cce48SDaniel Vetter } 25028cf5c917SJesse Barnes goto out; 25038cf5c917SJesse Barnes } 25048cf5c917SJesse Barnes 25057f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 25067f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 25077f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 25087f994f3fSMatt Roper ret = -EINVAL; 25097f994f3fSMatt Roper goto out; 25107f994f3fSMatt Roper } 25117f994f3fSMatt Roper 251262443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 2513ead8610dSLaurent Pinchart ret = drm_plane_check_pixel_format(plane, fb->pixel_format); 2514ead8610dSLaurent Pinchart if (ret) { 25156ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 25166ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 251762443be6SVille Syrjälä goto out; 251862443be6SVille Syrjälä } 251962443be6SVille Syrjälä 25203968be94SMatt Roper /* Give drivers some help against integer overflows */ 25213968be94SMatt Roper if (crtc_w > INT_MAX || 25223968be94SMatt Roper crtc_x > INT_MAX - (int32_t) crtc_w || 25233968be94SMatt Roper crtc_h > INT_MAX || 25243968be94SMatt Roper crtc_y > INT_MAX - (int32_t) crtc_h) { 25253968be94SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 25263968be94SMatt Roper crtc_w, crtc_h, crtc_x, crtc_y); 2527c390eed0SVille Syrjälä ret = -ERANGE; 252842ef8789SVille Syrjälä goto out; 252942ef8789SVille Syrjälä } 253042ef8789SVille Syrjälä 2531ce8d9eccSVille Syrjälä ret = check_src_coords(src_x, src_y, src_w, src_h, fb); 2532ce8d9eccSVille Syrjälä if (ret) 2533f453ba04SDave Airlie goto out; 2534f453ba04SDave Airlie 25353d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2536f453ba04SDave Airlie ret = plane->funcs->update_plane(plane, crtc, fb, 2537b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2538b36552b3SMatt Roper src_x, src_y, src_w, src_h); 2539f453ba04SDave Airlie if (!ret) { 2540f453ba04SDave Airlie plane->crtc = crtc; 2541f453ba04SDave Airlie plane->fb = fb; 254235f8badcSDaniel Vetter fb = NULL; 25430fe27f06SDaniel Vetter } else { 25443d30a59bSDaniel Vetter plane->old_fb = NULL; 2545f453ba04SDave Airlie } 2546f453ba04SDave Airlie 2547f453ba04SDave Airlie out: 25486c2a7532SDaniel Vetter if (fb) 25496c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 25503d30a59bSDaniel Vetter if (plane->old_fb) 25513d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 25523d30a59bSDaniel Vetter plane->old_fb = NULL; 2553f453ba04SDave Airlie 2554f453ba04SDave Airlie return ret; 2555f2b50c11SDaniel Vetter } 2556b36552b3SMatt Roper 2557f2b50c11SDaniel Vetter static int setplane_internal(struct drm_plane *plane, 2558f2b50c11SDaniel Vetter struct drm_crtc *crtc, 2559f2b50c11SDaniel Vetter struct drm_framebuffer *fb, 2560f2b50c11SDaniel Vetter int32_t crtc_x, int32_t crtc_y, 2561f2b50c11SDaniel Vetter uint32_t crtc_w, uint32_t crtc_h, 2562f2b50c11SDaniel Vetter /* src_{x,y,w,h} values are 16.16 fixed point */ 2563f2b50c11SDaniel Vetter uint32_t src_x, uint32_t src_y, 2564f2b50c11SDaniel Vetter uint32_t src_w, uint32_t src_h) 2565f2b50c11SDaniel Vetter { 2566f2b50c11SDaniel Vetter int ret; 2567f2b50c11SDaniel Vetter 2568f2b50c11SDaniel Vetter drm_modeset_lock_all(plane->dev); 2569f2b50c11SDaniel Vetter ret = __setplane_internal(plane, crtc, fb, 2570f2b50c11SDaniel Vetter crtc_x, crtc_y, crtc_w, crtc_h, 2571f2b50c11SDaniel Vetter src_x, src_y, src_w, src_h); 2572f2b50c11SDaniel Vetter drm_modeset_unlock_all(plane->dev); 2573f2b50c11SDaniel Vetter 2574f2b50c11SDaniel Vetter return ret; 2575b36552b3SMatt Roper } 2576b36552b3SMatt Roper 2577b36552b3SMatt Roper /** 2578b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2579b36552b3SMatt Roper * @dev: DRM device 2580b36552b3SMatt Roper * @data: ioctl data* 2581b36552b3SMatt Roper * @file_priv: DRM file info 2582b36552b3SMatt Roper * 2583b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2584b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2585b36552b3SMatt Roper * valid crtc). 2586b36552b3SMatt Roper * 2587b36552b3SMatt Roper * Returns: 25881a498633SDaniel Vetter * Zero on success, negative errno on failure. 2589b36552b3SMatt Roper */ 2590b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2591b36552b3SMatt Roper struct drm_file *file_priv) 2592b36552b3SMatt Roper { 2593b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2594b36552b3SMatt Roper struct drm_plane *plane; 2595b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2596b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2597b36552b3SMatt Roper 2598b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2599b36552b3SMatt Roper return -EINVAL; 2600b36552b3SMatt Roper 2601b36552b3SMatt Roper /* 2602b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2603b36552b3SMatt Roper * we don't bother to call the driver. 2604b36552b3SMatt Roper */ 2605933f622fSRob Clark plane = drm_plane_find(dev, plane_req->plane_id); 2606933f622fSRob Clark if (!plane) { 2607b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2608b36552b3SMatt Roper plane_req->plane_id); 2609b36552b3SMatt Roper return -ENOENT; 2610b36552b3SMatt Roper } 2611b36552b3SMatt Roper 2612b36552b3SMatt Roper if (plane_req->fb_id) { 2613b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2614b36552b3SMatt Roper if (!fb) { 2615b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2616b36552b3SMatt Roper plane_req->fb_id); 2617b36552b3SMatt Roper return -ENOENT; 2618b36552b3SMatt Roper } 2619b36552b3SMatt Roper 2620933f622fSRob Clark crtc = drm_crtc_find(dev, plane_req->crtc_id); 2621933f622fSRob Clark if (!crtc) { 2622b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2623b36552b3SMatt Roper plane_req->crtc_id); 2624b36552b3SMatt Roper return -ENOENT; 2625b36552b3SMatt Roper } 2626b36552b3SMatt Roper } 2627b36552b3SMatt Roper 2628161d0dc1SMatt Roper /* 2629161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2630161d0dc1SMatt Roper * framebuffer depending on success. 2631161d0dc1SMatt Roper */ 263217cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2633b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2634b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2635b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2636b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 2637f453ba04SDave Airlie } 2638f453ba04SDave Airlie 2639f453ba04SDave Airlie /** 26402d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 26412d13b679SDaniel Vetter * @set: modeset config to set 26422d13b679SDaniel Vetter * 26432d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 26442d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2645c8e32cc1SDaniel Vetter * 2646c8e32cc1SDaniel Vetter * Returns: 26471a498633SDaniel Vetter * Zero on success, negative errno on failure. 26482d13b679SDaniel Vetter */ 26492d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 26502d13b679SDaniel Vetter { 26512d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 26525cef29aaSDaniel Vetter struct drm_framebuffer *fb; 26535cef29aaSDaniel Vetter struct drm_crtc *tmp; 2654b0d12325SDaniel Vetter int ret; 26552d13b679SDaniel Vetter 26565cef29aaSDaniel Vetter /* 26575cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 26585cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 26595cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 26605cef29aaSDaniel Vetter */ 2661e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) 26623d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 26635cef29aaSDaniel Vetter 2664b0d12325SDaniel Vetter fb = set->fb; 2665b0d12325SDaniel Vetter 2666b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2667b0d12325SDaniel Vetter if (ret == 0) { 2668e13161afSMatt Roper crtc->primary->crtc = crtc; 26690fe27f06SDaniel Vetter crtc->primary->fb = fb; 26705cef29aaSDaniel Vetter } 2671cc85e121SDaniel Vetter 2672e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 2673f4510a27SMatt Roper if (tmp->primary->fb) 2674f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 26753d30a59bSDaniel Vetter if (tmp->primary->old_fb) 26763d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 26773d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2678b0d12325SDaniel Vetter } 2679b0d12325SDaniel Vetter 2680b0d12325SDaniel Vetter return ret; 26812d13b679SDaniel Vetter } 26822d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 26832d13b679SDaniel Vetter 2684af93629dSMatt Roper /** 2685ecb7e16bSGustavo Padovan * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode 2686ecb7e16bSGustavo Padovan * @mode: mode to query 2687ecb7e16bSGustavo Padovan * @hdisplay: hdisplay value to fill in 2688ecb7e16bSGustavo Padovan * @vdisplay: vdisplay value to fill in 2689ecb7e16bSGustavo Padovan * 2690ecb7e16bSGustavo Padovan * The vdisplay value will be doubled if the specified mode is a stereo mode of 2691ecb7e16bSGustavo Padovan * the appropriate layout. 2692ecb7e16bSGustavo Padovan */ 2693ecb7e16bSGustavo Padovan void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, 2694ecb7e16bSGustavo Padovan int *hdisplay, int *vdisplay) 2695ecb7e16bSGustavo Padovan { 2696ecb7e16bSGustavo Padovan struct drm_display_mode adjusted; 2697ecb7e16bSGustavo Padovan 2698ecb7e16bSGustavo Padovan drm_mode_copy(&adjusted, mode); 2699ecb7e16bSGustavo Padovan drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); 2700ecb7e16bSGustavo Padovan *hdisplay = adjusted.crtc_hdisplay; 2701ecb7e16bSGustavo Padovan *vdisplay = adjusted.crtc_vdisplay; 2702ecb7e16bSGustavo Padovan } 2703ecb7e16bSGustavo Padovan EXPORT_SYMBOL(drm_crtc_get_hv_timing); 2704ecb7e16bSGustavo Padovan 2705ecb7e16bSGustavo Padovan /** 2706af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2707af93629dSMatt Roper * CRTC viewport 2708af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2709af93629dSMatt Roper * @x: x panning 2710af93629dSMatt Roper * @y: y panning 2711af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2712af93629dSMatt Roper * @fb: framebuffer to check size of 2713c11e9283SDamien Lespiau */ 2714af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2715c11e9283SDamien Lespiau int x, int y, 2716c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2717c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2718c11e9283SDamien Lespiau 2719c11e9283SDamien Lespiau { 2720c11e9283SDamien Lespiau int hdisplay, vdisplay; 2721c11e9283SDamien Lespiau 2722ecb7e16bSGustavo Padovan drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); 2723a0c1bbb0SDamien Lespiau 272433e0be63SVille Syrjälä if (crtc->state && 272533e0be63SVille Syrjälä crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) | 272633e0be63SVille Syrjälä BIT(DRM_ROTATE_270))) 2727c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2728c11e9283SDamien Lespiau 2729ce8d9eccSVille Syrjälä return check_src_coords(x << 16, y << 16, 2730ce8d9eccSVille Syrjälä hdisplay << 16, vdisplay << 16, fb); 2731c11e9283SDamien Lespiau } 2732af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2733c11e9283SDamien Lespiau 27342d13b679SDaniel Vetter /** 2735f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2736065a50edSDaniel Vetter * @dev: drm device for the ioctl 2737065a50edSDaniel Vetter * @data: data pointer for the ioctl 2738065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2739f453ba04SDave Airlie * 2740f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2741f453ba04SDave Airlie * 2742f453ba04SDave Airlie * Called by the user via ioctl. 2743f453ba04SDave Airlie * 2744c8e32cc1SDaniel Vetter * Returns: 27451a498633SDaniel Vetter * Zero on success, negative errno on failure. 2746f453ba04SDave Airlie */ 2747f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2748f453ba04SDave Airlie struct drm_file *file_priv) 2749f453ba04SDave Airlie { 2750f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2751f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 27526653cc8dSVille Syrjälä struct drm_crtc *crtc; 2753f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2754f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2755f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2756f453ba04SDave Airlie struct drm_mode_set set; 2757f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 27584a1b0714SLaurent Pinchart int ret; 2759f453ba04SDave Airlie int i; 2760f453ba04SDave Airlie 2761fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2762fb3b06c8SDave Airlie return -EINVAL; 2763fb3b06c8SDave Airlie 276401447e9fSZhao Junwang /* 276501447e9fSZhao Junwang * Universal plane src offsets are only 16.16, prevent havoc for 276601447e9fSZhao Junwang * drivers using universal plane code internally. 276701447e9fSZhao Junwang */ 276801447e9fSZhao Junwang if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) 27691d97e915SVille Syrjälä return -ERANGE; 27701d97e915SVille Syrjälä 277184849903SDaniel Vetter drm_modeset_lock_all(dev); 2772a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2773a2b34e22SRob Clark if (!crtc) { 277458367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2775f27657f2SVille Syrjälä ret = -ENOENT; 2776f453ba04SDave Airlie goto out; 2777f453ba04SDave Airlie } 2778fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); 2779f453ba04SDave Airlie 2780f453ba04SDave Airlie if (crtc_req->mode_valid) { 2781f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2782f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2783f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2784f4510a27SMatt Roper if (!crtc->primary->fb) { 27856653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 27866653cc8dSVille Syrjälä ret = -EINVAL; 27876653cc8dSVille Syrjälä goto out; 27886653cc8dSVille Syrjälä } 2789f4510a27SMatt Roper fb = crtc->primary->fb; 2790b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2791b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2792f453ba04SDave Airlie } else { 2793786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2794786b99edSDaniel Vetter if (!fb) { 279558367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 279658367ed6SZhao Yakui crtc_req->fb_id); 279737c4e705SVille Syrjälä ret = -ENOENT; 2798f453ba04SDave Airlie goto out; 2799f453ba04SDave Airlie } 2800f453ba04SDave Airlie } 2801f453ba04SDave Airlie 2802f453ba04SDave Airlie mode = drm_mode_create(dev); 2803ee34ab5bSVille Syrjälä if (!mode) { 2804ee34ab5bSVille Syrjälä ret = -ENOMEM; 2805ee34ab5bSVille Syrjälä goto out; 2806ee34ab5bSVille Syrjälä } 2807ee34ab5bSVille Syrjälä 2808934a8a89SDaniel Stone ret = drm_mode_convert_umode(mode, &crtc_req->mode); 280990367bf6SVille Syrjälä if (ret) { 281090367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 281190367bf6SVille Syrjälä goto out; 281290367bf6SVille Syrjälä } 281390367bf6SVille Syrjälä 2814f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 28155f61bb42SVille Syrjälä 28167eb5f302SLaurent Pinchart /* 28177eb5f302SLaurent Pinchart * Check whether the primary plane supports the fb pixel format. 28187eb5f302SLaurent Pinchart * Drivers not implementing the universal planes API use a 28197eb5f302SLaurent Pinchart * default formats list provided by the DRM core which doesn't 28207eb5f302SLaurent Pinchart * match real hardware capabilities. Skip the check in that 28217eb5f302SLaurent Pinchart * case. 28227eb5f302SLaurent Pinchart */ 28237eb5f302SLaurent Pinchart if (!crtc->primary->format_default) { 28247eb5f302SLaurent Pinchart ret = drm_plane_check_pixel_format(crtc->primary, 28257eb5f302SLaurent Pinchart fb->pixel_format); 28267eb5f302SLaurent Pinchart if (ret) { 28277eb5f302SLaurent Pinchart DRM_DEBUG_KMS("Invalid pixel format %s\n", 28287eb5f302SLaurent Pinchart drm_get_format_name(fb->pixel_format)); 28297eb5f302SLaurent Pinchart goto out; 28307eb5f302SLaurent Pinchart } 28317eb5f302SLaurent Pinchart } 28327eb5f302SLaurent Pinchart 2833c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2834c11e9283SDamien Lespiau mode, fb); 2835c11e9283SDamien Lespiau if (ret) 28365f61bb42SVille Syrjälä goto out; 2837c11e9283SDamien Lespiau 2838f453ba04SDave Airlie } 2839f453ba04SDave Airlie 2840f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 284158367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2842f453ba04SDave Airlie ret = -EINVAL; 2843f453ba04SDave Airlie goto out; 2844f453ba04SDave Airlie } 2845f453ba04SDave Airlie 28467781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 284758367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2848f453ba04SDave Airlie crtc_req->count_connectors); 2849f453ba04SDave Airlie ret = -EINVAL; 2850f453ba04SDave Airlie goto out; 2851f453ba04SDave Airlie } 2852f453ba04SDave Airlie 2853f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2854f453ba04SDave Airlie u32 out_id; 2855f453ba04SDave Airlie 2856f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2857f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2858f453ba04SDave Airlie ret = -EINVAL; 2859f453ba04SDave Airlie goto out; 2860f453ba04SDave Airlie } 2861f453ba04SDave Airlie 28622f6c5389SThierry Reding connector_set = kmalloc_array(crtc_req->count_connectors, 2863f453ba04SDave Airlie sizeof(struct drm_connector *), 2864f453ba04SDave Airlie GFP_KERNEL); 2865f453ba04SDave Airlie if (!connector_set) { 2866f453ba04SDave Airlie ret = -ENOMEM; 2867f453ba04SDave Airlie goto out; 2868f453ba04SDave Airlie } 2869f453ba04SDave Airlie 2870f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 287181f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2872f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2873f453ba04SDave Airlie ret = -EFAULT; 2874f453ba04SDave Airlie goto out; 2875f453ba04SDave Airlie } 2876f453ba04SDave Airlie 2877a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2878a2b34e22SRob Clark if (!connector) { 287958367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 288058367ed6SZhao Yakui out_id); 2881f27657f2SVille Syrjälä ret = -ENOENT; 2882f453ba04SDave Airlie goto out; 2883f453ba04SDave Airlie } 28849440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 28859440106bSJerome Glisse connector->base.id, 288625933820SJani Nikula connector->name); 2887f453ba04SDave Airlie 2888f453ba04SDave Airlie connector_set[i] = connector; 2889f453ba04SDave Airlie } 2890f453ba04SDave Airlie } 2891f453ba04SDave Airlie 2892f453ba04SDave Airlie set.crtc = crtc; 2893f453ba04SDave Airlie set.x = crtc_req->x; 2894f453ba04SDave Airlie set.y = crtc_req->y; 2895f453ba04SDave Airlie set.mode = mode; 2896f453ba04SDave Airlie set.connectors = connector_set; 2897f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2898f453ba04SDave Airlie set.fb = fb; 28992d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2900f453ba04SDave Airlie 2901f453ba04SDave Airlie out: 2902b0d12325SDaniel Vetter if (fb) 2903b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2904b0d12325SDaniel Vetter 2905f453ba04SDave Airlie kfree(connector_set); 2906ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 290784849903SDaniel Vetter drm_modeset_unlock_all(dev); 2908f453ba04SDave Airlie return ret; 2909f453ba04SDave Airlie } 2910f453ba04SDave Airlie 2911161d0dc1SMatt Roper /** 2912161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2913161d0dc1SMatt Roper * universal plane handler call 2914161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2915161d0dc1SMatt Roper * @req: data pointer for the ioctl 2916161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2917161d0dc1SMatt Roper * 2918161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2919161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2920161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2921161d0dc1SMatt Roper * 2922161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2923161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2924161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2925161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2926161d0dc1SMatt Roper * 2927161d0dc1SMatt Roper * Returns: 29281a498633SDaniel Vetter * Zero on success, negative errno on failure. 2929161d0dc1SMatt Roper */ 2930161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2931161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2932161d0dc1SMatt Roper struct drm_file *file_priv) 2933161d0dc1SMatt Roper { 2934161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2935161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2936161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2937161d0dc1SMatt Roper .width = req->width, 2938161d0dc1SMatt Roper .height = req->height, 2939161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2940161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2941161d0dc1SMatt Roper .handles = { req->handle }, 2942161d0dc1SMatt Roper }; 2943161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2944161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2945161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2946161d0dc1SMatt Roper int ret = 0; 2947161d0dc1SMatt Roper 2948161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2949f2b50c11SDaniel Vetter WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); 2950161d0dc1SMatt Roper 2951161d0dc1SMatt Roper /* 2952161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2953161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2954161d0dc1SMatt Roper * the reference if the plane update fails. 2955161d0dc1SMatt Roper */ 2956161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2957161d0dc1SMatt Roper if (req->handle) { 29589a6f5130SChris Wilson fb = internal_framebuffer_create(dev, &fbreq, file_priv); 2959161d0dc1SMatt Roper if (IS_ERR(fb)) { 2960161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2961161d0dc1SMatt Roper return PTR_ERR(fb); 2962161d0dc1SMatt Roper } 2963161d0dc1SMatt Roper } else { 2964161d0dc1SMatt Roper fb = NULL; 2965161d0dc1SMatt Roper } 2966161d0dc1SMatt Roper } else { 2967161d0dc1SMatt Roper fb = crtc->cursor->fb; 2968161d0dc1SMatt Roper if (fb) 2969161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2970161d0dc1SMatt Roper } 2971161d0dc1SMatt Roper 2972161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2973161d0dc1SMatt Roper crtc_x = req->x; 2974161d0dc1SMatt Roper crtc_y = req->y; 2975161d0dc1SMatt Roper } else { 2976161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2977161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 2978161d0dc1SMatt Roper } 2979161d0dc1SMatt Roper 2980161d0dc1SMatt Roper if (fb) { 2981161d0dc1SMatt Roper crtc_w = fb->width; 2982161d0dc1SMatt Roper crtc_h = fb->height; 2983161d0dc1SMatt Roper src_w = fb->width << 16; 2984161d0dc1SMatt Roper src_h = fb->height << 16; 2985161d0dc1SMatt Roper } 2986161d0dc1SMatt Roper 2987161d0dc1SMatt Roper /* 2988161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2989161d0dc1SMatt Roper * framebuffer depending on success. 2990161d0dc1SMatt Roper */ 2991f2b50c11SDaniel Vetter ret = __setplane_internal(crtc->cursor, crtc, fb, 2992161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2993161d0dc1SMatt Roper 0, 0, src_w, src_h); 2994161d0dc1SMatt Roper 2995161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 2996161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 2997161d0dc1SMatt Roper crtc->cursor_x = req->x; 2998161d0dc1SMatt Roper crtc->cursor_y = req->y; 2999161d0dc1SMatt Roper } 3000161d0dc1SMatt Roper 3001161d0dc1SMatt Roper return ret; 3002161d0dc1SMatt Roper } 3003161d0dc1SMatt Roper 30044c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 30054c813d4dSDave Airlie struct drm_mode_cursor2 *req, 30064c813d4dSDave Airlie struct drm_file *file_priv) 3007f453ba04SDave Airlie { 3008f453ba04SDave Airlie struct drm_crtc *crtc; 3009f453ba04SDave Airlie int ret = 0; 3010f453ba04SDave Airlie 3011fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3012fb3b06c8SDave Airlie return -EINVAL; 3013fb3b06c8SDave Airlie 30147c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 3015f453ba04SDave Airlie return -EINVAL; 3016f453ba04SDave Airlie 3017a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 3018a2b34e22SRob Clark if (!crtc) { 301958367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 3020f27657f2SVille Syrjälä return -ENOENT; 3021f453ba04SDave Airlie } 3022f453ba04SDave Airlie 3023161d0dc1SMatt Roper /* 3024161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 3025161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 3026161d0dc1SMatt Roper */ 30274d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->cursor); 3028f2b50c11SDaniel Vetter if (crtc->cursor) { 3029f2b50c11SDaniel Vetter ret = drm_mode_cursor_universal(crtc, req, file_priv); 3030f2b50c11SDaniel Vetter goto out; 3031f2b50c11SDaniel Vetter } 3032f2b50c11SDaniel Vetter 3033f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 30344c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 3035f453ba04SDave Airlie ret = -ENXIO; 3036f453ba04SDave Airlie goto out; 3037f453ba04SDave Airlie } 3038f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 30394c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 30404c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 30414c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 30424c813d4dSDave Airlie else 3043f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 3044f453ba04SDave Airlie req->width, req->height); 3045f453ba04SDave Airlie } 3046f453ba04SDave Airlie 3047f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 3048f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 3049f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 3050f453ba04SDave Airlie } else { 3051f453ba04SDave Airlie ret = -EFAULT; 3052f453ba04SDave Airlie goto out; 3053f453ba04SDave Airlie } 3054f453ba04SDave Airlie } 3055f453ba04SDave Airlie out: 3056d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 3057dac35663SDaniel Vetter 3058f453ba04SDave Airlie return ret; 30594c813d4dSDave Airlie 30604c813d4dSDave Airlie } 3061c8e32cc1SDaniel Vetter 3062c8e32cc1SDaniel Vetter 3063c8e32cc1SDaniel Vetter /** 3064c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 3065c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3066c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3067c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3068c8e32cc1SDaniel Vetter * 3069c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 3070c8e32cc1SDaniel Vetter * 3071c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3072c8e32cc1SDaniel Vetter * 3073c8e32cc1SDaniel Vetter * Returns: 30741a498633SDaniel Vetter * Zero on success, negative errno on failure. 3075c8e32cc1SDaniel Vetter */ 30764c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 30774c813d4dSDave Airlie void *data, struct drm_file *file_priv) 30784c813d4dSDave Airlie { 30794c813d4dSDave Airlie struct drm_mode_cursor *req = data; 30804c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 30814c813d4dSDave Airlie 30824c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 30834c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 30844c813d4dSDave Airlie 30854c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 30864c813d4dSDave Airlie } 30874c813d4dSDave Airlie 3088c8e32cc1SDaniel Vetter /** 3089c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 3090c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3091c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3092c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3093c8e32cc1SDaniel Vetter * 3094c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 3095c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 3096c8e32cc1SDaniel Vetter * the hotspot of the pointer. 3097c8e32cc1SDaniel Vetter * 3098c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3099c8e32cc1SDaniel Vetter * 3100c8e32cc1SDaniel Vetter * Returns: 31011a498633SDaniel Vetter * Zero on success, negative errno on failure. 3102c8e32cc1SDaniel Vetter */ 31034c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 31044c813d4dSDave Airlie void *data, struct drm_file *file_priv) 31054c813d4dSDave Airlie { 31064c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 31074dfd909fSThierry Reding 31084c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 3109f453ba04SDave Airlie } 3110f453ba04SDave Airlie 3111c8e32cc1SDaniel Vetter /** 3112c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 3113c8e32cc1SDaniel Vetter * @bpp: bits per pixels 3114c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 3115c8e32cc1SDaniel Vetter * 3116c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 3117c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 3118c8e32cc1SDaniel Vetter */ 3119308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 3120308e5bcbSJesse Barnes { 3121308e5bcbSJesse Barnes uint32_t fmt; 3122308e5bcbSJesse Barnes 3123308e5bcbSJesse Barnes switch (bpp) { 3124308e5bcbSJesse Barnes case 8: 3125d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 3126308e5bcbSJesse Barnes break; 3127308e5bcbSJesse Barnes case 16: 3128308e5bcbSJesse Barnes if (depth == 15) 312904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 3130308e5bcbSJesse Barnes else 313104b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 3132308e5bcbSJesse Barnes break; 3133308e5bcbSJesse Barnes case 24: 313404b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 3135308e5bcbSJesse Barnes break; 3136308e5bcbSJesse Barnes case 32: 3137308e5bcbSJesse Barnes if (depth == 24) 313804b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3139308e5bcbSJesse Barnes else if (depth == 30) 314004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 3141308e5bcbSJesse Barnes else 314204b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 3143308e5bcbSJesse Barnes break; 3144308e5bcbSJesse Barnes default: 314504b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 314604b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3147308e5bcbSJesse Barnes break; 3148308e5bcbSJesse Barnes } 3149308e5bcbSJesse Barnes 3150308e5bcbSJesse Barnes return fmt; 3151308e5bcbSJesse Barnes } 3152308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 3153308e5bcbSJesse Barnes 3154f453ba04SDave Airlie /** 3155f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 3156065a50edSDaniel Vetter * @dev: drm device for the ioctl 3157065a50edSDaniel Vetter * @data: data pointer for the ioctl 3158065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3159f453ba04SDave Airlie * 3160c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 3161209f5527SChuck Ebbert * original addfb ioctl which only supported RGB formats. 3162f453ba04SDave Airlie * 3163f453ba04SDave Airlie * Called by the user via ioctl. 3164f453ba04SDave Airlie * 3165c8e32cc1SDaniel Vetter * Returns: 31661a498633SDaniel Vetter * Zero on success, negative errno on failure. 3167f453ba04SDave Airlie */ 3168f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 3169f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3170f453ba04SDave Airlie { 3171308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 3172308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 3173228f2cb3SChuck Ebbert int ret; 3174308e5bcbSJesse Barnes 3175228f2cb3SChuck Ebbert /* convert to new format and call new ioctl */ 3176308e5bcbSJesse Barnes r.fb_id = or->fb_id; 3177308e5bcbSJesse Barnes r.width = or->width; 3178308e5bcbSJesse Barnes r.height = or->height; 3179308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 3180308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 3181308e5bcbSJesse Barnes r.handles[0] = or->handle; 3182308e5bcbSJesse Barnes 3183228f2cb3SChuck Ebbert ret = drm_mode_addfb2(dev, &r, file_priv); 3184228f2cb3SChuck Ebbert if (ret) 3185228f2cb3SChuck Ebbert return ret; 3186308e5bcbSJesse Barnes 3187228f2cb3SChuck Ebbert or->fb_id = r.fb_id; 31884b096ac1SDaniel Vetter 3189baf698b0SDaniel Vetter return 0; 3190308e5bcbSJesse Barnes } 3191308e5bcbSJesse Barnes 3192cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 3193935b5977SVille Syrjälä { 3194935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 3195935b5977SVille Syrjälä 3196935b5977SVille Syrjälä switch (format) { 3197935b5977SVille Syrjälä case DRM_FORMAT_C8: 3198935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 3199935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 3200935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 3201935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 3202935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 3203935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 3204935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 3205935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 3206935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 3207935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 3208935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 3209935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 3210935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3211935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3212935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3213935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3214935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3215935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3216935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3217935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3218935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3219935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3220935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3221935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3222935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3223935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3224935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3225935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3226935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3227935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3228935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3229935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3230935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3231935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3232935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3233935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3234935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3235935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3236935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3237935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3238935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3239935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3240935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3241935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3242935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3243935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3244935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3245ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3246ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3247935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3248935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3249935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3250935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3251935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3252935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3253935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3254935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3255935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3256935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3257935b5977SVille Syrjälä return 0; 3258935b5977SVille Syrjälä default: 325923c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 326023c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3261935b5977SVille Syrjälä return -EINVAL; 3262935b5977SVille Syrjälä } 3263935b5977SVille Syrjälä } 3264935b5977SVille Syrjälä 3265cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3266d1b45d5fSVille Syrjälä { 3267d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3268d1b45d5fSVille Syrjälä 3269d1b45d5fSVille Syrjälä ret = format_check(r); 3270d1b45d5fSVille Syrjälä if (ret) { 32716ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 32726ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3273d1b45d5fSVille Syrjälä return ret; 3274d1b45d5fSVille Syrjälä } 3275d1b45d5fSVille Syrjälä 3276d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3277d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3278d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3279d1b45d5fSVille Syrjälä 3280d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 3281209f5527SChuck Ebbert DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); 3282d1b45d5fSVille Syrjälä return -EINVAL; 3283d1b45d5fSVille Syrjälä } 3284d1b45d5fSVille Syrjälä 3285d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 32861aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3287d1b45d5fSVille Syrjälä return -EINVAL; 3288d1b45d5fSVille Syrjälä } 3289d1b45d5fSVille Syrjälä 3290d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3291d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3292b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3293b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3294d1b45d5fSVille Syrjälä 3295d1b45d5fSVille Syrjälä if (!r->handles[i]) { 32961aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3297d1b45d5fSVille Syrjälä return -EINVAL; 3298d1b45d5fSVille Syrjälä } 3299d1b45d5fSVille Syrjälä 3300b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3301b180b5d1SVille Syrjälä return -ERANGE; 3302b180b5d1SVille Syrjälä 3303b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3304b180b5d1SVille Syrjälä return -ERANGE; 3305b180b5d1SVille Syrjälä 3306b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 33071aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3308d1b45d5fSVille Syrjälä return -EINVAL; 3309d1b45d5fSVille Syrjälä } 3310e3eb3250SRob Clark 3311e3eb3250SRob Clark if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { 3312e3eb3250SRob Clark DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", 3313e3eb3250SRob Clark r->modifier[i], i); 3314e3eb3250SRob Clark return -EINVAL; 3315e3eb3250SRob Clark } 3316570655b0SRob Clark 3317570655b0SRob Clark /* modifier specific checks: */ 3318570655b0SRob Clark switch (r->modifier[i]) { 3319570655b0SRob Clark case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE: 3320570655b0SRob Clark /* NOTE: the pitch restriction may be lifted later if it turns 3321570655b0SRob Clark * out that no hw has this restriction: 3322570655b0SRob Clark */ 3323570655b0SRob Clark if (r->pixel_format != DRM_FORMAT_NV12 || 3324570655b0SRob Clark width % 128 || height % 32 || 3325570655b0SRob Clark r->pitches[i] % 128) { 3326570655b0SRob Clark DRM_DEBUG_KMS("bad modifier data for plane %d\n", i); 3327570655b0SRob Clark return -EINVAL; 3328570655b0SRob Clark } 3329570655b0SRob Clark break; 3330570655b0SRob Clark 3331570655b0SRob Clark default: 3332570655b0SRob Clark break; 3333570655b0SRob Clark } 3334d1b45d5fSVille Syrjälä } 3335d1b45d5fSVille Syrjälä 3336bbe16a40SDaniel Vetter for (i = num_planes; i < 4; i++) { 3337bbe16a40SDaniel Vetter if (r->modifier[i]) { 3338bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero modifier for unused plane %d\n", i); 3339bbe16a40SDaniel Vetter return -EINVAL; 3340bbe16a40SDaniel Vetter } 3341bbe16a40SDaniel Vetter 3342bbe16a40SDaniel Vetter /* Pre-FB_MODIFIERS userspace didn't clear the structs properly. */ 3343bbe16a40SDaniel Vetter if (!(r->flags & DRM_MODE_FB_MODIFIERS)) 3344bbe16a40SDaniel Vetter continue; 3345bbe16a40SDaniel Vetter 3346bbe16a40SDaniel Vetter if (r->handles[i]) { 3347bbe16a40SDaniel Vetter DRM_DEBUG_KMS("buffer object handle for unused plane %d\n", i); 3348bbe16a40SDaniel Vetter return -EINVAL; 3349bbe16a40SDaniel Vetter } 3350bbe16a40SDaniel Vetter 3351bbe16a40SDaniel Vetter if (r->pitches[i]) { 3352bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero pitch for unused plane %d\n", i); 3353bbe16a40SDaniel Vetter return -EINVAL; 3354bbe16a40SDaniel Vetter } 3355bbe16a40SDaniel Vetter 3356bbe16a40SDaniel Vetter if (r->offsets[i]) { 3357bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero offset for unused plane %d\n", i); 3358bbe16a40SDaniel Vetter return -EINVAL; 3359bbe16a40SDaniel Vetter } 3360bbe16a40SDaniel Vetter } 3361bbe16a40SDaniel Vetter 3362d1b45d5fSVille Syrjälä return 0; 3363d1b45d5fSVille Syrjälä } 3364d1b45d5fSVille Syrjälä 33659a6f5130SChris Wilson static struct drm_framebuffer * 33669a6f5130SChris Wilson internal_framebuffer_create(struct drm_device *dev, 33671eb83451SVille Syrjälä const struct drm_mode_fb_cmd2 *r, 3368c394c2b0SMatt Roper struct drm_file *file_priv) 3369c394c2b0SMatt Roper { 3370c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3371c394c2b0SMatt Roper struct drm_framebuffer *fb; 3372c394c2b0SMatt Roper int ret; 3373c394c2b0SMatt Roper 3374e3eb3250SRob Clark if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { 3375c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3376c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3377c394c2b0SMatt Roper } 3378c394c2b0SMatt Roper 3379c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3380c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3381c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3382c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3383c394c2b0SMatt Roper } 3384c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3385c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3386c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3387c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3388c394c2b0SMatt Roper } 3389c394c2b0SMatt Roper 3390e3eb3250SRob Clark if (r->flags & DRM_MODE_FB_MODIFIERS && 3391e3eb3250SRob Clark !dev->mode_config.allow_fb_modifiers) { 3392e3eb3250SRob Clark DRM_DEBUG_KMS("driver does not support fb modifiers\n"); 3393e3eb3250SRob Clark return ERR_PTR(-EINVAL); 3394e3eb3250SRob Clark } 3395e3eb3250SRob Clark 3396c394c2b0SMatt Roper ret = framebuffer_check(r); 3397c394c2b0SMatt Roper if (ret) 3398c394c2b0SMatt Roper return ERR_PTR(ret); 3399c394c2b0SMatt Roper 3400c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3401c394c2b0SMatt Roper if (IS_ERR(fb)) { 3402c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3403c394c2b0SMatt Roper return fb; 3404c394c2b0SMatt Roper } 3405c394c2b0SMatt Roper 3406c394c2b0SMatt Roper return fb; 3407c394c2b0SMatt Roper } 3408c394c2b0SMatt Roper 3409308e5bcbSJesse Barnes /** 3410308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3411065a50edSDaniel Vetter * @dev: drm device for the ioctl 3412065a50edSDaniel Vetter * @data: data pointer for the ioctl 3413065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3414308e5bcbSJesse Barnes * 3415c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3416c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3417c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3418308e5bcbSJesse Barnes * 3419308e5bcbSJesse Barnes * Called by the user via ioctl. 3420308e5bcbSJesse Barnes * 3421c8e32cc1SDaniel Vetter * Returns: 34221a498633SDaniel Vetter * Zero on success, negative errno on failure. 3423308e5bcbSJesse Barnes */ 3424308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3425308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3426308e5bcbSJesse Barnes { 34279a6f5130SChris Wilson struct drm_mode_fb_cmd2 *r = data; 3428f453ba04SDave Airlie struct drm_framebuffer *fb; 3429f453ba04SDave Airlie 3430fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3431fb3b06c8SDave Airlie return -EINVAL; 3432fb3b06c8SDave Airlie 34339a6f5130SChris Wilson fb = internal_framebuffer_create(dev, r, file_priv); 3434c394c2b0SMatt Roper if (IS_ERR(fb)) 34354b096ac1SDaniel Vetter return PTR_ERR(fb); 3436f453ba04SDave Airlie 34379a6f5130SChris Wilson /* Transfer ownership to the filp for reaping on close */ 34389a6f5130SChris Wilson 34399a6f5130SChris Wilson DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 34409a6f5130SChris Wilson mutex_lock(&file_priv->fbs_lock); 34419a6f5130SChris Wilson r->fb_id = fb->base.id; 34429a6f5130SChris Wilson list_add(&fb->filp_head, &file_priv->fbs); 34439a6f5130SChris Wilson mutex_unlock(&file_priv->fbs_lock); 34449a6f5130SChris Wilson 3445c394c2b0SMatt Roper return 0; 3446f453ba04SDave Airlie } 3447f453ba04SDave Airlie 3448f453ba04SDave Airlie /** 3449f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3450065a50edSDaniel Vetter * @dev: drm device for the ioctl 3451065a50edSDaniel Vetter * @data: data pointer for the ioctl 3452065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3453f453ba04SDave Airlie * 3454f453ba04SDave Airlie * Remove the FB specified by the user. 3455f453ba04SDave Airlie * 3456f453ba04SDave Airlie * Called by the user via ioctl. 3457f453ba04SDave Airlie * 3458c8e32cc1SDaniel Vetter * Returns: 34591a498633SDaniel Vetter * Zero on success, negative errno on failure. 3460f453ba04SDave Airlie */ 3461f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3462f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3463f453ba04SDave Airlie { 3464f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3465f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3466f453ba04SDave Airlie uint32_t *id = data; 3467f453ba04SDave Airlie int found = 0; 3468f453ba04SDave Airlie 3469fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3470fb3b06c8SDave Airlie return -EINVAL; 3471fb3b06c8SDave Airlie 34724b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 34732b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 34742b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 34752b677e8cSDaniel Vetter if (!fb) 34762b677e8cSDaniel Vetter goto fail_lookup; 34772b677e8cSDaniel Vetter 3478f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3479f453ba04SDave Airlie if (fb == fbl) 3480f453ba04SDave Airlie found = 1; 34812b677e8cSDaniel Vetter if (!found) 34822b677e8cSDaniel Vetter goto fail_lookup; 34832b677e8cSDaniel Vetter 34844b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 34852b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34864b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3487f453ba04SDave Airlie 348813803132SMaarten Lankhorst drm_framebuffer_unreference(fb); 34894b096ac1SDaniel Vetter 34902b677e8cSDaniel Vetter return 0; 34912b677e8cSDaniel Vetter 34922b677e8cSDaniel Vetter fail_lookup: 34932b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34942b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 34952b677e8cSDaniel Vetter 349637c4e705SVille Syrjälä return -ENOENT; 3497f453ba04SDave Airlie } 3498f453ba04SDave Airlie 3499f453ba04SDave Airlie /** 3500f453ba04SDave Airlie * drm_mode_getfb - get FB info 3501065a50edSDaniel Vetter * @dev: drm device for the ioctl 3502065a50edSDaniel Vetter * @data: data pointer for the ioctl 3503065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3504f453ba04SDave Airlie * 3505f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3506f453ba04SDave Airlie * 3507f453ba04SDave Airlie * Called by the user via ioctl. 3508f453ba04SDave Airlie * 3509c8e32cc1SDaniel Vetter * Returns: 35101a498633SDaniel Vetter * Zero on success, negative errno on failure. 3511f453ba04SDave Airlie */ 3512f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3513f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3514f453ba04SDave Airlie { 3515f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3516f453ba04SDave Airlie struct drm_framebuffer *fb; 351758c0dca1SDaniel Vetter int ret; 3518f453ba04SDave Airlie 3519fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3520fb3b06c8SDave Airlie return -EINVAL; 3521fb3b06c8SDave Airlie 3522786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 352358c0dca1SDaniel Vetter if (!fb) 352437c4e705SVille Syrjälä return -ENOENT; 3525f453ba04SDave Airlie 3526f453ba04SDave Airlie r->height = fb->height; 3527f453ba04SDave Airlie r->width = fb->width; 3528f453ba04SDave Airlie r->depth = fb->depth; 3529f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 353001f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3531101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 353209f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 353343683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3534101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3535101b96f3SDavid Herrmann &r->handle); 3536101b96f3SDavid Herrmann } else { 3537101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3538101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3539101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3540101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3541101b96f3SDavid Herrmann * for non-masters. */ 3542101b96f3SDavid Herrmann r->handle = 0; 3543101b96f3SDavid Herrmann ret = 0; 3544101b96f3SDavid Herrmann } 3545101b96f3SDavid Herrmann } else { 3546af26ef3bSDaniel Vetter ret = -ENODEV; 3547101b96f3SDavid Herrmann } 3548f453ba04SDave Airlie 354958c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 355058c0dca1SDaniel Vetter 3551f453ba04SDave Airlie return ret; 3552f453ba04SDave Airlie } 3553f453ba04SDave Airlie 3554c8e32cc1SDaniel Vetter /** 3555c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3556c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3557c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3558c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3559c8e32cc1SDaniel Vetter * 3560c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3561c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3562c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3563c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3564c8e32cc1SDaniel Vetter * 3565c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3566c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3567c8e32cc1SDaniel Vetter * 3568c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3569c8e32cc1SDaniel Vetter * 3570c8e32cc1SDaniel Vetter * Returns: 35711a498633SDaniel Vetter * Zero on success, negative errno on failure. 3572c8e32cc1SDaniel Vetter */ 3573884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3574884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3575884840aaSJakob Bornecrantz { 3576884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3577884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3578884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3579884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3580884840aaSJakob Bornecrantz unsigned flags; 3581884840aaSJakob Bornecrantz int num_clips; 35824a1b0714SLaurent Pinchart int ret; 3583884840aaSJakob Bornecrantz 3584fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3585fb3b06c8SDave Airlie return -EINVAL; 3586fb3b06c8SDave Airlie 3587786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 35884ccf097fSDaniel Vetter if (!fb) 358937c4e705SVille Syrjälä return -ENOENT; 3590884840aaSJakob Bornecrantz 3591884840aaSJakob Bornecrantz num_clips = r->num_clips; 359281f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3593884840aaSJakob Bornecrantz 3594884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3595884840aaSJakob Bornecrantz ret = -EINVAL; 3596884840aaSJakob Bornecrantz goto out_err1; 3597884840aaSJakob Bornecrantz } 3598884840aaSJakob Bornecrantz 3599884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3600884840aaSJakob Bornecrantz 3601884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3602884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3603884840aaSJakob Bornecrantz ret = -EINVAL; 3604884840aaSJakob Bornecrantz goto out_err1; 3605884840aaSJakob Bornecrantz } 3606884840aaSJakob Bornecrantz 3607884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3608a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3609a5cd3351SXi Wang ret = -EINVAL; 3610a5cd3351SXi Wang goto out_err1; 3611a5cd3351SXi Wang } 3612bd3f0ff9SThierry Reding clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 3613884840aaSJakob Bornecrantz if (!clips) { 3614884840aaSJakob Bornecrantz ret = -ENOMEM; 3615884840aaSJakob Bornecrantz goto out_err1; 3616884840aaSJakob Bornecrantz } 3617884840aaSJakob Bornecrantz 3618884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3619884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3620e902a358SDan Carpenter if (ret) { 3621e902a358SDan Carpenter ret = -EFAULT; 3622884840aaSJakob Bornecrantz goto out_err2; 3623884840aaSJakob Bornecrantz } 3624e902a358SDan Carpenter } 3625884840aaSJakob Bornecrantz 3626884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 362702b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 362802b00162SThomas Hellstrom clips, num_clips); 3629884840aaSJakob Bornecrantz } else { 3630884840aaSJakob Bornecrantz ret = -ENOSYS; 3631884840aaSJakob Bornecrantz } 3632884840aaSJakob Bornecrantz 3633884840aaSJakob Bornecrantz out_err2: 3634884840aaSJakob Bornecrantz kfree(clips); 3635884840aaSJakob Bornecrantz out_err1: 36364ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 36374ccf097fSDaniel Vetter 3638884840aaSJakob Bornecrantz return ret; 3639884840aaSJakob Bornecrantz } 3640884840aaSJakob Bornecrantz 3641884840aaSJakob Bornecrantz 3642f453ba04SDave Airlie /** 3643f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3644065a50edSDaniel Vetter * @priv: drm file for the ioctl 3645f453ba04SDave Airlie * 3646f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3647f453ba04SDave Airlie * 3648f453ba04SDave Airlie * Called by the user via ioctl. 3649f453ba04SDave Airlie * 3650c8e32cc1SDaniel Vetter * Returns: 36511a498633SDaniel Vetter * Zero on success, negative errno on failure. 3652f453ba04SDave Airlie */ 3653ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3654f453ba04SDave Airlie { 3655f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3656f453ba04SDave Airlie 36571b116297SDaniel Vetter /* 36581b116297SDaniel Vetter * When the file gets released that means no one else can access the fb 3659e2db726bSMartin Peres * list any more, so no need to grab fpriv->fbs_lock. And we need to 36601b116297SDaniel Vetter * avoid upsetting lockdep since the universal cursor code adds a 36611b116297SDaniel Vetter * framebuffer while holding mutex locks. 36621b116297SDaniel Vetter * 36631b116297SDaniel Vetter * Note that a real deadlock between fpriv->fbs_lock and the modeset 36641b116297SDaniel Vetter * locks is impossible here since no one else but this function can get 36651b116297SDaniel Vetter * at it any more. 36661b116297SDaniel Vetter */ 3667f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 36684b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 36692b677e8cSDaniel Vetter 367073f7570bSMaarten Lankhorst /* This drops the fpriv->fbs reference. */ 367113803132SMaarten Lankhorst drm_framebuffer_unreference(fb); 3672f453ba04SDave Airlie } 3673f453ba04SDave Airlie } 3674f453ba04SDave Airlie 3675c8e32cc1SDaniel Vetter /** 3676c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3677c8e32cc1SDaniel Vetter * @dev: drm device 3678c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3679c8e32cc1SDaniel Vetter * @name: name of the property 3680c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3681c8e32cc1SDaniel Vetter * 3682c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3683c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3684c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3685c8e32cc1SDaniel Vetter * 36863b5b9932SDamien Lespiau * Note that the DRM core keeps a per-device list of properties and that, if 36873b5b9932SDamien Lespiau * drm_mode_config_cleanup() is called, it will destroy all properties created 36883b5b9932SDamien Lespiau * by the driver. 36893b5b9932SDamien Lespiau * 3690c8e32cc1SDaniel Vetter * Returns: 3691c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3692c8e32cc1SDaniel Vetter */ 3693f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3694f453ba04SDave Airlie const char *name, int num_values) 3695f453ba04SDave Airlie { 3696f453ba04SDave Airlie struct drm_property *property = NULL; 36976bfc56aaSVille Syrjälä int ret; 3698f453ba04SDave Airlie 3699f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3700f453ba04SDave Airlie if (!property) 3701f453ba04SDave Airlie return NULL; 3702f453ba04SDave Airlie 370398f75de4SRob Clark property->dev = dev; 370498f75de4SRob Clark 3705f453ba04SDave Airlie if (num_values) { 3706bd3f0ff9SThierry Reding property->values = kcalloc(num_values, sizeof(uint64_t), 3707bd3f0ff9SThierry Reding GFP_KERNEL); 3708f453ba04SDave Airlie if (!property->values) 3709f453ba04SDave Airlie goto fail; 3710f453ba04SDave Airlie } 3711f453ba04SDave Airlie 37126bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 37136bfc56aaSVille Syrjälä if (ret) 37146bfc56aaSVille Syrjälä goto fail; 37156bfc56aaSVille Syrjälä 3716f453ba04SDave Airlie property->flags = flags; 3717f453ba04SDave Airlie property->num_values = num_values; 37183758b341SDaniel Vetter INIT_LIST_HEAD(&property->enum_list); 3719f453ba04SDave Airlie 3720471dd2efSVinson Lee if (name) { 3721f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3722471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3723471dd2efSVinson Lee } 3724f453ba04SDave Airlie 3725f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 37265ea22f24SRob Clark 37275ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 37285ea22f24SRob Clark 3729f453ba04SDave Airlie return property; 3730f453ba04SDave Airlie fail: 37316bfc56aaSVille Syrjälä kfree(property->values); 3732f453ba04SDave Airlie kfree(property); 3733f453ba04SDave Airlie return NULL; 3734f453ba04SDave Airlie } 3735f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3736f453ba04SDave Airlie 3737c8e32cc1SDaniel Vetter /** 37382aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3739c8e32cc1SDaniel Vetter * @dev: drm device 3740c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3741c8e32cc1SDaniel Vetter * @name: name of the property 3742c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3743c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3744c8e32cc1SDaniel Vetter * 3745c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3746c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3747c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3748c8e32cc1SDaniel Vetter * 3749c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3750c8e32cc1SDaniel Vetter * properties. 3751c8e32cc1SDaniel Vetter * 3752c8e32cc1SDaniel Vetter * Returns: 3753c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3754c8e32cc1SDaniel Vetter */ 37554a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 37564a67d391SSascha Hauer const char *name, 37574a67d391SSascha Hauer const struct drm_prop_enum_list *props, 37584a67d391SSascha Hauer int num_values) 37594a67d391SSascha Hauer { 37604a67d391SSascha Hauer struct drm_property *property; 37614a67d391SSascha Hauer int i, ret; 37624a67d391SSascha Hauer 37634a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 37644a67d391SSascha Hauer 37654a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 37664a67d391SSascha Hauer if (!property) 37674a67d391SSascha Hauer return NULL; 37684a67d391SSascha Hauer 37694a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 37704a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 37714a67d391SSascha Hauer props[i].type, 37724a67d391SSascha Hauer props[i].name); 37734a67d391SSascha Hauer if (ret) { 37744a67d391SSascha Hauer drm_property_destroy(dev, property); 37754a67d391SSascha Hauer return NULL; 37764a67d391SSascha Hauer } 37774a67d391SSascha Hauer } 37784a67d391SSascha Hauer 37794a67d391SSascha Hauer return property; 37804a67d391SSascha Hauer } 37814a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 37824a67d391SSascha Hauer 3783c8e32cc1SDaniel Vetter /** 37842aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3785c8e32cc1SDaniel Vetter * @dev: drm device 3786c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3787c8e32cc1SDaniel Vetter * @name: name of the property 3788c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3789295ee853SDaniel Vetter * @num_props: size of the @props array 3790295ee853SDaniel Vetter * @supported_bits: bitmask of all supported enumeration values 3791c8e32cc1SDaniel Vetter * 3792295ee853SDaniel Vetter * This creates a new bitmask drm property which can then be attached to a drm 3793c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3794c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3795c8e32cc1SDaniel Vetter * 3796c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3797c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3798c8e32cc1SDaniel Vetter * 3799c8e32cc1SDaniel Vetter * Returns: 3800c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3801c8e32cc1SDaniel Vetter */ 380249e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 380349e27545SRob Clark int flags, const char *name, 380449e27545SRob Clark const struct drm_prop_enum_list *props, 38057689ffb3SVille Syrjälä int num_props, 38067689ffb3SVille Syrjälä uint64_t supported_bits) 380749e27545SRob Clark { 380849e27545SRob Clark struct drm_property *property; 38097689ffb3SVille Syrjälä int i, ret, index = 0; 38107689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 381149e27545SRob Clark 381249e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 381349e27545SRob Clark 381449e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 381549e27545SRob Clark if (!property) 381649e27545SRob Clark return NULL; 38177689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 38187689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 38197689ffb3SVille Syrjälä continue; 382049e27545SRob Clark 38217689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 38227689ffb3SVille Syrjälä drm_property_destroy(dev, property); 38237689ffb3SVille Syrjälä return NULL; 38247689ffb3SVille Syrjälä } 38257689ffb3SVille Syrjälä 38267689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 382749e27545SRob Clark props[i].type, 382849e27545SRob Clark props[i].name); 382949e27545SRob Clark if (ret) { 383049e27545SRob Clark drm_property_destroy(dev, property); 383149e27545SRob Clark return NULL; 383249e27545SRob Clark } 383349e27545SRob Clark } 383449e27545SRob Clark 383549e27545SRob Clark return property; 383649e27545SRob Clark } 383749e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 383849e27545SRob Clark 3839ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3840ebc44cf3SRob Clark int flags, const char *name, 3841ebc44cf3SRob Clark uint64_t min, uint64_t max) 3842ebc44cf3SRob Clark { 3843ebc44cf3SRob Clark struct drm_property *property; 3844ebc44cf3SRob Clark 3845ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3846ebc44cf3SRob Clark if (!property) 3847ebc44cf3SRob Clark return NULL; 3848ebc44cf3SRob Clark 3849ebc44cf3SRob Clark property->values[0] = min; 3850ebc44cf3SRob Clark property->values[1] = max; 3851ebc44cf3SRob Clark 3852ebc44cf3SRob Clark return property; 3853ebc44cf3SRob Clark } 3854ebc44cf3SRob Clark 3855c8e32cc1SDaniel Vetter /** 3856960cd9d4SDaniel Vetter * drm_property_create_range - create a new unsigned ranged property type 3857c8e32cc1SDaniel Vetter * @dev: drm device 3858c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3859c8e32cc1SDaniel Vetter * @name: name of the property 3860c8e32cc1SDaniel Vetter * @min: minimum value of the property 3861c8e32cc1SDaniel Vetter * @max: maximum value of the property 3862c8e32cc1SDaniel Vetter * 3863c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3864c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3865c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3866c8e32cc1SDaniel Vetter * 3867960cd9d4SDaniel Vetter * Userspace is allowed to set any unsigned integer value in the (min, max) 3868960cd9d4SDaniel Vetter * range inclusive. 3869c8e32cc1SDaniel Vetter * 3870c8e32cc1SDaniel Vetter * Returns: 3871c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3872c8e32cc1SDaniel Vetter */ 3873d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3874d9bc3c02SSascha Hauer const char *name, 3875d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3876d9bc3c02SSascha Hauer { 3877ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3878ebc44cf3SRob Clark name, min, max); 3879d9bc3c02SSascha Hauer } 3880d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3881d9bc3c02SSascha Hauer 3882960cd9d4SDaniel Vetter /** 3883960cd9d4SDaniel Vetter * drm_property_create_signed_range - create a new signed ranged property type 3884960cd9d4SDaniel Vetter * @dev: drm device 3885960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3886960cd9d4SDaniel Vetter * @name: name of the property 3887960cd9d4SDaniel Vetter * @min: minimum value of the property 3888960cd9d4SDaniel Vetter * @max: maximum value of the property 3889960cd9d4SDaniel Vetter * 3890960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3891960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3892960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3893960cd9d4SDaniel Vetter * 3894960cd9d4SDaniel Vetter * Userspace is allowed to set any signed integer value in the (min, max) 3895960cd9d4SDaniel Vetter * range inclusive. 3896960cd9d4SDaniel Vetter * 3897960cd9d4SDaniel Vetter * Returns: 3898960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3899960cd9d4SDaniel Vetter */ 3900ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3901ebc44cf3SRob Clark int flags, const char *name, 3902ebc44cf3SRob Clark int64_t min, int64_t max) 3903ebc44cf3SRob Clark { 3904ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3905ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3906ebc44cf3SRob Clark } 3907ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3908ebc44cf3SRob Clark 3909960cd9d4SDaniel Vetter /** 3910960cd9d4SDaniel Vetter * drm_property_create_object - create a new object property type 3911960cd9d4SDaniel Vetter * @dev: drm device 3912960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3913960cd9d4SDaniel Vetter * @name: name of the property 3914960cd9d4SDaniel Vetter * @type: object type from DRM_MODE_OBJECT_* defines 3915960cd9d4SDaniel Vetter * 3916960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3917960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3918960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3919960cd9d4SDaniel Vetter * 3920960cd9d4SDaniel Vetter * Userspace is only allowed to set this to any property value of the given 3921960cd9d4SDaniel Vetter * @type. Only useful for atomic properties, which is enforced. 3922960cd9d4SDaniel Vetter * 3923960cd9d4SDaniel Vetter * Returns: 3924960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3925960cd9d4SDaniel Vetter */ 392698f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 392798f75de4SRob Clark int flags, const char *name, uint32_t type) 392898f75de4SRob Clark { 392998f75de4SRob Clark struct drm_property *property; 393098f75de4SRob Clark 393198f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 393298f75de4SRob Clark 3933960cd9d4SDaniel Vetter if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) 3934960cd9d4SDaniel Vetter return NULL; 3935960cd9d4SDaniel Vetter 393698f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 393798f75de4SRob Clark if (!property) 393898f75de4SRob Clark return NULL; 393998f75de4SRob Clark 394098f75de4SRob Clark property->values[0] = type; 394198f75de4SRob Clark 394298f75de4SRob Clark return property; 394398f75de4SRob Clark } 394498f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 394598f75de4SRob Clark 3946c8e32cc1SDaniel Vetter /** 3947960cd9d4SDaniel Vetter * drm_property_create_bool - create a new boolean property type 3948960cd9d4SDaniel Vetter * @dev: drm device 3949960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3950960cd9d4SDaniel Vetter * @name: name of the property 3951960cd9d4SDaniel Vetter * 3952960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3953960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3954960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3955960cd9d4SDaniel Vetter * 3956960cd9d4SDaniel Vetter * This is implemented as a ranged property with only {0, 1} as valid values. 3957960cd9d4SDaniel Vetter * 3958960cd9d4SDaniel Vetter * Returns: 3959960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3960960cd9d4SDaniel Vetter */ 3961960cd9d4SDaniel Vetter struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, 3962960cd9d4SDaniel Vetter const char *name) 3963960cd9d4SDaniel Vetter { 3964960cd9d4SDaniel Vetter return drm_property_create_range(dev, flags, name, 0, 1); 3965960cd9d4SDaniel Vetter } 3966960cd9d4SDaniel Vetter EXPORT_SYMBOL(drm_property_create_bool); 3967960cd9d4SDaniel Vetter 3968960cd9d4SDaniel Vetter /** 3969c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3970c8e32cc1SDaniel Vetter * @property: enumeration property to change 3971c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3972c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3973c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3974c8e32cc1SDaniel Vetter * 3975c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3976c8e32cc1SDaniel Vetter * 3977c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 3978c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 3979c8e32cc1SDaniel Vetter * 3980c8e32cc1SDaniel Vetter * Returns: 3981c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3982c8e32cc1SDaniel Vetter */ 3983f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 3984f453ba04SDave Airlie uint64_t value, const char *name) 3985f453ba04SDave Airlie { 3986f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3987f453ba04SDave Airlie 39885ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 39895ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 399049e27545SRob Clark return -EINVAL; 399149e27545SRob Clark 399249e27545SRob Clark /* 399349e27545SRob Clark * Bitmask enum properties have the additional constraint of values 399449e27545SRob Clark * from 0 to 63 399549e27545SRob Clark */ 39965ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 39975ea22f24SRob Clark (value > 63)) 3998f453ba04SDave Airlie return -EINVAL; 3999f453ba04SDave Airlie 40003758b341SDaniel Vetter if (!list_empty(&property->enum_list)) { 40013758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4002f453ba04SDave Airlie if (prop_enum->value == value) { 4003f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 4004f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 4005f453ba04SDave Airlie return 0; 4006f453ba04SDave Airlie } 4007f453ba04SDave Airlie } 4008f453ba04SDave Airlie } 4009f453ba04SDave Airlie 4010f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 4011f453ba04SDave Airlie if (!prop_enum) 4012f453ba04SDave Airlie return -ENOMEM; 4013f453ba04SDave Airlie 4014f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 4015f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 4016f453ba04SDave Airlie prop_enum->value = value; 4017f453ba04SDave Airlie 4018f453ba04SDave Airlie property->values[index] = value; 40193758b341SDaniel Vetter list_add_tail(&prop_enum->head, &property->enum_list); 4020f453ba04SDave Airlie return 0; 4021f453ba04SDave Airlie } 4022f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 4023f453ba04SDave Airlie 4024c8e32cc1SDaniel Vetter /** 4025c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 4026c8e32cc1SDaniel Vetter * @dev: drm device 4027c8e32cc1SDaniel Vetter * @property: property to destry 4028c8e32cc1SDaniel Vetter * 4029c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 4030c8e32cc1SDaniel Vetter * enumeration values. 4031c8e32cc1SDaniel Vetter */ 4032f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 4033f453ba04SDave Airlie { 4034f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 4035f453ba04SDave Airlie 40363758b341SDaniel Vetter list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { 4037f453ba04SDave Airlie list_del(&prop_enum->head); 4038f453ba04SDave Airlie kfree(prop_enum); 4039f453ba04SDave Airlie } 4040f453ba04SDave Airlie 4041f453ba04SDave Airlie if (property->num_values) 4042f453ba04SDave Airlie kfree(property->values); 4043f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 4044f453ba04SDave Airlie list_del(&property->head); 4045f453ba04SDave Airlie kfree(property); 4046f453ba04SDave Airlie } 4047f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 4048f453ba04SDave Airlie 4049c8e32cc1SDaniel Vetter /** 4050c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 4051c8e32cc1SDaniel Vetter * @obj: drm modeset object 4052c8e32cc1SDaniel Vetter * @property: property to attach 4053c8e32cc1SDaniel Vetter * @init_val: initial value of the property 4054c8e32cc1SDaniel Vetter * 4055c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 4056c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 4057c8e32cc1SDaniel Vetter * a statically sized array. 4058c8e32cc1SDaniel Vetter */ 4059c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 4060c543188aSPaulo Zanoni struct drm_property *property, 4061c543188aSPaulo Zanoni uint64_t init_val) 4062c543188aSPaulo Zanoni { 40637f88a9beSPaulo Zanoni int count = obj->properties->count; 4064c543188aSPaulo Zanoni 40657f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 40667f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 40677f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 40687f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 40697f88a9beSPaulo Zanoni obj->type); 4070c543188aSPaulo Zanoni return; 4071c543188aSPaulo Zanoni } 4072c543188aSPaulo Zanoni 4073b17cd757SRob Clark obj->properties->properties[count] = property; 40747f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 40757f88a9beSPaulo Zanoni obj->properties->count++; 407688a48e29SRob Clark if (property->flags & DRM_MODE_PROP_ATOMIC) 407788a48e29SRob Clark obj->properties->atomic_count++; 4078c543188aSPaulo Zanoni } 4079c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 4080c543188aSPaulo Zanoni 4081c8e32cc1SDaniel Vetter /** 4082c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 4083c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 4084c8e32cc1SDaniel Vetter * @property: property to set 4085c8e32cc1SDaniel Vetter * @val: value the property should be set to 4086c8e32cc1SDaniel Vetter * 4087c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 4088c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 4089c8e32cc1SDaniel Vetter * driver's ->set_property callback. 4090c8e32cc1SDaniel Vetter * 4091c8e32cc1SDaniel Vetter * Returns: 4092c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4093c8e32cc1SDaniel Vetter */ 4094c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 4095c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 4096c543188aSPaulo Zanoni { 4097c543188aSPaulo Zanoni int i; 4098c543188aSPaulo Zanoni 40997f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4100b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4101c543188aSPaulo Zanoni obj->properties->values[i] = val; 4102c543188aSPaulo Zanoni return 0; 4103c543188aSPaulo Zanoni } 4104c543188aSPaulo Zanoni } 4105c543188aSPaulo Zanoni 4106c543188aSPaulo Zanoni return -EINVAL; 4107c543188aSPaulo Zanoni } 4108c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 4109c543188aSPaulo Zanoni 4110c8e32cc1SDaniel Vetter /** 4111c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 4112c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 4113c8e32cc1SDaniel Vetter * @property: property to retrieve 4114c8e32cc1SDaniel Vetter * @val: storage for the property value 4115c8e32cc1SDaniel Vetter * 4116c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 4117c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 4118c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 4119c8e32cc1SDaniel Vetter * and property. 4120c8e32cc1SDaniel Vetter * 4121c8e32cc1SDaniel Vetter * Returns: 4122c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4123c8e32cc1SDaniel Vetter */ 4124c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 4125c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 4126c543188aSPaulo Zanoni { 4127c543188aSPaulo Zanoni int i; 4128c543188aSPaulo Zanoni 412988a48e29SRob Clark /* read-only properties bypass atomic mechanism and still store 413088a48e29SRob Clark * their value in obj->properties->values[].. mostly to avoid 413188a48e29SRob Clark * having to deal w/ EDID and similar props in atomic paths: 413288a48e29SRob Clark */ 413388a48e29SRob Clark if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && 413488a48e29SRob Clark !(property->flags & DRM_MODE_PROP_IMMUTABLE)) 413588a48e29SRob Clark return drm_atomic_get_property(obj, property, val); 413688a48e29SRob Clark 41377f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4138b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4139c543188aSPaulo Zanoni *val = obj->properties->values[i]; 4140c543188aSPaulo Zanoni return 0; 4141c543188aSPaulo Zanoni } 4142c543188aSPaulo Zanoni } 4143c543188aSPaulo Zanoni 4144c543188aSPaulo Zanoni return -EINVAL; 4145c543188aSPaulo Zanoni } 4146c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 4147c543188aSPaulo Zanoni 4148c8e32cc1SDaniel Vetter /** 41491a498633SDaniel Vetter * drm_mode_getproperty_ioctl - get the property metadata 4150c8e32cc1SDaniel Vetter * @dev: DRM device 4151c8e32cc1SDaniel Vetter * @data: ioctl data 4152c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4153c8e32cc1SDaniel Vetter * 41541a498633SDaniel Vetter * This function retrieves the metadata for a given property, like the different 41551a498633SDaniel Vetter * possible values for an enum property or the limits for a range property. 41561a498633SDaniel Vetter * 41571a498633SDaniel Vetter * Blob properties are special 4158c8e32cc1SDaniel Vetter * 4159c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4160c8e32cc1SDaniel Vetter * 4161c8e32cc1SDaniel Vetter * Returns: 41621a498633SDaniel Vetter * Zero on success, negative errno on failure. 4163c8e32cc1SDaniel Vetter */ 4164f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 4165f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4166f453ba04SDave Airlie { 4167f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 4168f453ba04SDave Airlie struct drm_property *property; 4169f453ba04SDave Airlie int enum_count = 0; 4170f453ba04SDave Airlie int value_count = 0; 4171f453ba04SDave Airlie int ret = 0, i; 4172f453ba04SDave Airlie int copied; 4173f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4174f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 4175f453ba04SDave Airlie uint64_t __user *values_ptr; 4176f453ba04SDave Airlie 4177fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4178fb3b06c8SDave Airlie return -EINVAL; 4179fb3b06c8SDave Airlie 418084849903SDaniel Vetter drm_modeset_lock_all(dev); 4181a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 4182a2b34e22SRob Clark if (!property) { 4183f27657f2SVille Syrjälä ret = -ENOENT; 4184f453ba04SDave Airlie goto done; 4185f453ba04SDave Airlie } 4186f453ba04SDave Airlie 41875ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 41885ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 41893758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) 4190f453ba04SDave Airlie enum_count++; 4191f453ba04SDave Airlie } 4192f453ba04SDave Airlie 4193f453ba04SDave Airlie value_count = property->num_values; 4194f453ba04SDave Airlie 4195f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 4196f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 4197f453ba04SDave Airlie out_resp->flags = property->flags; 4198f453ba04SDave Airlie 4199f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 420081f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 4201f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 4202f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 4203f453ba04SDave Airlie ret = -EFAULT; 4204f453ba04SDave Airlie goto done; 4205f453ba04SDave Airlie } 4206f453ba04SDave Airlie } 4207f453ba04SDave Airlie } 4208f453ba04SDave Airlie out_resp->count_values = value_count; 4209f453ba04SDave Airlie 42105ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 42115ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4212f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 4213f453ba04SDave Airlie copied = 0; 421481f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 42153758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4216f453ba04SDave Airlie 4217f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 4218f453ba04SDave Airlie ret = -EFAULT; 4219f453ba04SDave Airlie goto done; 4220f453ba04SDave Airlie } 4221f453ba04SDave Airlie 4222f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 4223f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 4224f453ba04SDave Airlie ret = -EFAULT; 4225f453ba04SDave Airlie goto done; 4226f453ba04SDave Airlie } 4227f453ba04SDave Airlie copied++; 4228f453ba04SDave Airlie } 4229f453ba04SDave Airlie } 4230f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 4231f453ba04SDave Airlie } 4232f453ba04SDave Airlie 42333758b341SDaniel Vetter /* 42343758b341SDaniel Vetter * NOTE: The idea seems to have been to use this to read all the blob 42353758b341SDaniel Vetter * property values. But nothing ever added them to the corresponding 42363758b341SDaniel Vetter * list, userspace always used the special-purpose get_blob ioctl to 42373758b341SDaniel Vetter * read the value for a blob property. It also doesn't make a lot of 42383758b341SDaniel Vetter * sense to return values here when everything else is just metadata for 42393758b341SDaniel Vetter * the property itself. 42403758b341SDaniel Vetter */ 42413758b341SDaniel Vetter if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 42423758b341SDaniel Vetter out_resp->count_enum_blobs = 0; 4243f453ba04SDave Airlie done: 424484849903SDaniel Vetter drm_modeset_unlock_all(dev); 4245f453ba04SDave Airlie return ret; 4246f453ba04SDave Airlie } 4247f453ba04SDave Airlie 424899531d9bSDaniel Stone /** 424999531d9bSDaniel Stone * drm_property_create_blob - Create new blob property 425099531d9bSDaniel Stone * 425199531d9bSDaniel Stone * Creates a new blob property for a specified DRM device, optionally 425299531d9bSDaniel Stone * copying data. 425399531d9bSDaniel Stone * 425499531d9bSDaniel Stone * @dev: DRM device to create property for 425599531d9bSDaniel Stone * @length: Length to allocate for blob data 425699531d9bSDaniel Stone * @data: If specified, copies data into blob 425710e8cb7eSDaniel Stone * 425810e8cb7eSDaniel Stone * Returns: 425910e8cb7eSDaniel Stone * New blob property with a single reference on success, or an ERR_PTR 426010e8cb7eSDaniel Stone * value on failure. 426199531d9bSDaniel Stone */ 42626bcacf51SDaniel Stone struct drm_property_blob * 4263ecbbe59bSThierry Reding drm_property_create_blob(struct drm_device *dev, size_t length, 426412e6cecdSThierry Reding const void *data) 4265f453ba04SDave Airlie { 4266f453ba04SDave Airlie struct drm_property_blob *blob; 42676bfc56aaSVille Syrjälä int ret; 4268f453ba04SDave Airlie 42699ac0934bSDan Carpenter if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) 427010e8cb7eSDaniel Stone return ERR_PTR(-EINVAL); 4271f453ba04SDave Airlie 4272f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 4273f453ba04SDave Airlie if (!blob) 427410e8cb7eSDaniel Stone return ERR_PTR(-ENOMEM); 4275f453ba04SDave Airlie 4276e2f5d2eaSDaniel Stone /* This must be explicitly initialised, so we can safely call list_del 4277e2f5d2eaSDaniel Stone * on it in the removal handler, even if it isn't in a file list. */ 4278e2f5d2eaSDaniel Stone INIT_LIST_HEAD(&blob->head_file); 4279f453ba04SDave Airlie blob->length = length; 42806bcacf51SDaniel Stone blob->dev = dev; 4281f453ba04SDave Airlie 428299531d9bSDaniel Stone if (data) 4283f453ba04SDave Airlie memcpy(blob->data, data, length); 4284f453ba04SDave Airlie 42858fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 42868fb6e7a5SDaniel Stone 42878fb6e7a5SDaniel Stone ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 42888fb6e7a5SDaniel Stone if (ret) { 42898fb6e7a5SDaniel Stone kfree(blob); 42908fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 429110e8cb7eSDaniel Stone return ERR_PTR(-EINVAL); 42928fb6e7a5SDaniel Stone } 42938fb6e7a5SDaniel Stone 42946bcacf51SDaniel Stone kref_init(&blob->refcount); 42956bcacf51SDaniel Stone 4296e2f5d2eaSDaniel Stone list_add_tail(&blob->head_global, 4297e2f5d2eaSDaniel Stone &dev->mode_config.property_blob_list); 42988fb6e7a5SDaniel Stone 42998fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43008fb6e7a5SDaniel Stone 4301f453ba04SDave Airlie return blob; 4302f453ba04SDave Airlie } 43036bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_create_blob); 4304f453ba04SDave Airlie 43056bcacf51SDaniel Stone /** 43066bcacf51SDaniel Stone * drm_property_free_blob - Blob property destructor 43076bcacf51SDaniel Stone * 43086bcacf51SDaniel Stone * Internal free function for blob properties; must not be used directly. 43096bcacf51SDaniel Stone * 4310f102c16eSDaniel Stone * @kref: Reference 43116bcacf51SDaniel Stone */ 43126bcacf51SDaniel Stone static void drm_property_free_blob(struct kref *kref) 4313f453ba04SDave Airlie { 43146bcacf51SDaniel Stone struct drm_property_blob *blob = 43156bcacf51SDaniel Stone container_of(kref, struct drm_property_blob, refcount); 43166bcacf51SDaniel Stone 43176bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&blob->dev->mode_config.blob_lock)); 43186bcacf51SDaniel Stone 4319e2f5d2eaSDaniel Stone list_del(&blob->head_global); 4320e2f5d2eaSDaniel Stone list_del(&blob->head_file); 43216bcacf51SDaniel Stone drm_mode_object_put(blob->dev, &blob->base); 43228fb6e7a5SDaniel Stone 4323f453ba04SDave Airlie kfree(blob); 4324f453ba04SDave Airlie } 4325f453ba04SDave Airlie 4326c8e32cc1SDaniel Vetter /** 43276bcacf51SDaniel Stone * drm_property_unreference_blob - Unreference a blob property 43286bcacf51SDaniel Stone * 43296bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. 43306bcacf51SDaniel Stone * 4331f102c16eSDaniel Stone * @blob: Pointer to blob property 43326bcacf51SDaniel Stone */ 43336bcacf51SDaniel Stone void drm_property_unreference_blob(struct drm_property_blob *blob) 43346bcacf51SDaniel Stone { 43356bcacf51SDaniel Stone struct drm_device *dev; 43366bcacf51SDaniel Stone 43376bcacf51SDaniel Stone if (!blob) 43386bcacf51SDaniel Stone return; 43396bcacf51SDaniel Stone 43406bcacf51SDaniel Stone dev = blob->dev; 43416bcacf51SDaniel Stone 43426bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43436bcacf51SDaniel Stone 43446bcacf51SDaniel Stone if (kref_put_mutex(&blob->refcount, drm_property_free_blob, 43456bcacf51SDaniel Stone &dev->mode_config.blob_lock)) 43466bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43476bcacf51SDaniel Stone else 43486bcacf51SDaniel Stone might_lock(&dev->mode_config.blob_lock); 43496bcacf51SDaniel Stone } 43506bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_unreference_blob); 43516bcacf51SDaniel Stone 43526bcacf51SDaniel Stone /** 43536bcacf51SDaniel Stone * drm_property_unreference_blob_locked - Unreference a blob property with blob_lock held 43546bcacf51SDaniel Stone * 43556bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. This must be 43566bcacf51SDaniel Stone * called with blob_lock held. 43576bcacf51SDaniel Stone * 4358f102c16eSDaniel Stone * @blob: Pointer to blob property 43596bcacf51SDaniel Stone */ 43606bcacf51SDaniel Stone static void drm_property_unreference_blob_locked(struct drm_property_blob *blob) 43616bcacf51SDaniel Stone { 43626bcacf51SDaniel Stone if (!blob) 43636bcacf51SDaniel Stone return; 43646bcacf51SDaniel Stone 43656bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43666bcacf51SDaniel Stone 43676bcacf51SDaniel Stone kref_put(&blob->refcount, drm_property_free_blob); 43686bcacf51SDaniel Stone } 43696bcacf51SDaniel Stone 43706bcacf51SDaniel Stone /** 4371e2f5d2eaSDaniel Stone * drm_property_destroy_user_blobs - destroy all blobs created by this client 4372e2f5d2eaSDaniel Stone * @dev: DRM device 4373e2f5d2eaSDaniel Stone * @file_priv: destroy all blobs owned by this file handle 4374e2f5d2eaSDaniel Stone */ 4375e2f5d2eaSDaniel Stone void drm_property_destroy_user_blobs(struct drm_device *dev, 4376e2f5d2eaSDaniel Stone struct drm_file *file_priv) 4377e2f5d2eaSDaniel Stone { 4378e2f5d2eaSDaniel Stone struct drm_property_blob *blob, *bt; 4379e2f5d2eaSDaniel Stone 4380e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4381e2f5d2eaSDaniel Stone 4382e2f5d2eaSDaniel Stone list_for_each_entry_safe(blob, bt, &file_priv->blobs, head_file) { 4383e2f5d2eaSDaniel Stone list_del_init(&blob->head_file); 4384e2f5d2eaSDaniel Stone drm_property_unreference_blob_locked(blob); 4385e2f5d2eaSDaniel Stone } 4386e2f5d2eaSDaniel Stone 4387e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4388e2f5d2eaSDaniel Stone } 4389e2f5d2eaSDaniel Stone 4390e2f5d2eaSDaniel Stone /** 43916bcacf51SDaniel Stone * drm_property_reference_blob - Take a reference on an existing property 43926bcacf51SDaniel Stone * 43936bcacf51SDaniel Stone * Take a new reference on an existing blob property. 43946bcacf51SDaniel Stone * 4395f102c16eSDaniel Stone * @blob: Pointer to blob property 43966bcacf51SDaniel Stone */ 43976bcacf51SDaniel Stone struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob) 43986bcacf51SDaniel Stone { 43996bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 44006bcacf51SDaniel Stone kref_get(&blob->refcount); 44016bcacf51SDaniel Stone return blob; 44026bcacf51SDaniel Stone } 44036bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_reference_blob); 44046bcacf51SDaniel Stone 44056bcacf51SDaniel Stone /* 44066bcacf51SDaniel Stone * Like drm_property_lookup_blob, but does not return an additional reference. 44076bcacf51SDaniel Stone * Must be called with blob_lock held. 44086bcacf51SDaniel Stone */ 44096bcacf51SDaniel Stone static struct drm_property_blob *__drm_property_lookup_blob(struct drm_device *dev, 44106bcacf51SDaniel Stone uint32_t id) 44116bcacf51SDaniel Stone { 44126bcacf51SDaniel Stone struct drm_mode_object *obj = NULL; 44136bcacf51SDaniel Stone struct drm_property_blob *blob; 44146bcacf51SDaniel Stone 44156bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&dev->mode_config.blob_lock)); 44166bcacf51SDaniel Stone 44176bcacf51SDaniel Stone mutex_lock(&dev->mode_config.idr_mutex); 44186bcacf51SDaniel Stone obj = idr_find(&dev->mode_config.crtc_idr, id); 44196bcacf51SDaniel Stone if (!obj || (obj->type != DRM_MODE_OBJECT_BLOB) || (obj->id != id)) 44206bcacf51SDaniel Stone blob = NULL; 44216bcacf51SDaniel Stone else 44226bcacf51SDaniel Stone blob = obj_to_blob(obj); 44236bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.idr_mutex); 44246bcacf51SDaniel Stone 4425f453ba04SDave Airlie return blob; 4426f453ba04SDave Airlie } 4427f453ba04SDave Airlie 44286bcacf51SDaniel Stone /** 44296bcacf51SDaniel Stone * drm_property_lookup_blob - look up a blob property and take a reference 44306bcacf51SDaniel Stone * @dev: drm device 44316bcacf51SDaniel Stone * @id: id of the blob property 44326bcacf51SDaniel Stone * 44336bcacf51SDaniel Stone * If successful, this takes an additional reference to the blob property. 44346bcacf51SDaniel Stone * callers need to make sure to eventually unreference the returned property 44356bcacf51SDaniel Stone * again, using @drm_property_unreference_blob. 44366bcacf51SDaniel Stone */ 44376bcacf51SDaniel Stone struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, 44386bcacf51SDaniel Stone uint32_t id) 4439f453ba04SDave Airlie { 44406bcacf51SDaniel Stone struct drm_property_blob *blob; 44416bcacf51SDaniel Stone 44426bcacf51SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 44436bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, id); 44446bcacf51SDaniel Stone if (blob) { 44456bcacf51SDaniel Stone if (!kref_get_unless_zero(&blob->refcount)) 44466bcacf51SDaniel Stone blob = NULL; 44476bcacf51SDaniel Stone } 44486bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 44496bcacf51SDaniel Stone 44506bcacf51SDaniel Stone return blob; 44516bcacf51SDaniel Stone } 44526bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_lookup_blob); 44536bcacf51SDaniel Stone 44546bcacf51SDaniel Stone /** 4455d2ed3436SDaniel Stone * drm_property_replace_global_blob - atomically replace existing blob property 4456d2ed3436SDaniel Stone * @dev: drm device 4457d2ed3436SDaniel Stone * @replace: location of blob property pointer to be replaced 4458d2ed3436SDaniel Stone * @length: length of data for new blob, or 0 for no data 4459d2ed3436SDaniel Stone * @data: content for new blob, or NULL for no data 4460d2ed3436SDaniel Stone * @obj_holds_id: optional object for property holding blob ID 4461d2ed3436SDaniel Stone * @prop_holds_id: optional property holding blob ID 4462d2ed3436SDaniel Stone * @return 0 on success or error on failure 4463d2ed3436SDaniel Stone * 4464d2ed3436SDaniel Stone * This function will atomically replace a global property in the blob list, 4465d2ed3436SDaniel Stone * optionally updating a property which holds the ID of that property. It is 4466d2ed3436SDaniel Stone * guaranteed to be atomic: no caller will be allowed to see intermediate 4467d2ed3436SDaniel Stone * results, and either the entire operation will succeed and clean up the 4468d2ed3436SDaniel Stone * previous property, or it will fail and the state will be unchanged. 4469d2ed3436SDaniel Stone * 4470d2ed3436SDaniel Stone * If length is 0 or data is NULL, no new blob will be created, and the holding 4471d2ed3436SDaniel Stone * property, if specified, will be set to 0. 4472d2ed3436SDaniel Stone * 4473d2ed3436SDaniel Stone * Access to the replace pointer is assumed to be protected by the caller, e.g. 4474d2ed3436SDaniel Stone * by holding the relevant modesetting object lock for its parent. 4475d2ed3436SDaniel Stone * 4476d2ed3436SDaniel Stone * For example, a drm_connector has a 'PATH' property, which contains the ID 4477d2ed3436SDaniel Stone * of a blob property with the value of the MST path information. Calling this 4478d2ed3436SDaniel Stone * function with replace pointing to the connector's path_blob_ptr, length and 4479d2ed3436SDaniel Stone * data set for the new path information, obj_holds_id set to the connector's 4480d2ed3436SDaniel Stone * base object, and prop_holds_id set to the path property name, will perform 4481d2ed3436SDaniel Stone * a completely atomic update. The access to path_blob_ptr is protected by the 4482d2ed3436SDaniel Stone * caller holding a lock on the connector. 4483d2ed3436SDaniel Stone */ 4484d2ed3436SDaniel Stone static int drm_property_replace_global_blob(struct drm_device *dev, 4485d2ed3436SDaniel Stone struct drm_property_blob **replace, 4486d2ed3436SDaniel Stone size_t length, 4487d2ed3436SDaniel Stone const void *data, 4488d2ed3436SDaniel Stone struct drm_mode_object *obj_holds_id, 4489d2ed3436SDaniel Stone struct drm_property *prop_holds_id) 4490d2ed3436SDaniel Stone { 4491d2ed3436SDaniel Stone struct drm_property_blob *new_blob = NULL; 4492d2ed3436SDaniel Stone struct drm_property_blob *old_blob = NULL; 4493d2ed3436SDaniel Stone int ret; 4494d2ed3436SDaniel Stone 4495d2ed3436SDaniel Stone WARN_ON(replace == NULL); 4496d2ed3436SDaniel Stone 4497d2ed3436SDaniel Stone old_blob = *replace; 4498d2ed3436SDaniel Stone 4499d2ed3436SDaniel Stone if (length && data) { 4500d2ed3436SDaniel Stone new_blob = drm_property_create_blob(dev, length, data); 450110e8cb7eSDaniel Stone if (IS_ERR(new_blob)) 450210e8cb7eSDaniel Stone return PTR_ERR(new_blob); 4503d2ed3436SDaniel Stone } 4504d2ed3436SDaniel Stone 4505d2ed3436SDaniel Stone /* This does not need to be synchronised with blob_lock, as the 4506d2ed3436SDaniel Stone * get_properties ioctl locks all modesetting objects, and 4507d2ed3436SDaniel Stone * obj_holds_id must be locked before calling here, so we cannot 4508d2ed3436SDaniel Stone * have its value out of sync with the list membership modified 4509d2ed3436SDaniel Stone * below under blob_lock. */ 4510d2ed3436SDaniel Stone if (obj_holds_id) { 4511d2ed3436SDaniel Stone ret = drm_object_property_set_value(obj_holds_id, 4512d2ed3436SDaniel Stone prop_holds_id, 4513d2ed3436SDaniel Stone new_blob ? 4514d2ed3436SDaniel Stone new_blob->base.id : 0); 4515d2ed3436SDaniel Stone if (ret != 0) 4516d2ed3436SDaniel Stone goto err_created; 4517d2ed3436SDaniel Stone } 4518d2ed3436SDaniel Stone 45196bcacf51SDaniel Stone drm_property_unreference_blob(old_blob); 4520d2ed3436SDaniel Stone *replace = new_blob; 4521d2ed3436SDaniel Stone 4522d2ed3436SDaniel Stone return 0; 4523d2ed3436SDaniel Stone 4524d2ed3436SDaniel Stone err_created: 45256bcacf51SDaniel Stone drm_property_unreference_blob(new_blob); 4526d2ed3436SDaniel Stone return ret; 4527f453ba04SDave Airlie } 4528f453ba04SDave Airlie 4529c8e32cc1SDaniel Vetter /** 4530c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 4531c8e32cc1SDaniel Vetter * @dev: DRM device 4532c8e32cc1SDaniel Vetter * @data: ioctl data 4533c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4534c8e32cc1SDaniel Vetter * 4535c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 4536c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 4537c8e32cc1SDaniel Vetter * 4538c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4539c8e32cc1SDaniel Vetter * 4540c8e32cc1SDaniel Vetter * Returns: 45411a498633SDaniel Vetter * Zero on success, negative errno on failure. 4542c8e32cc1SDaniel Vetter */ 4543f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 4544f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4545f453ba04SDave Airlie { 4546f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 4547f453ba04SDave Airlie struct drm_property_blob *blob; 4548f453ba04SDave Airlie int ret = 0; 454981f6c7f8SVille Syrjälä void __user *blob_ptr; 4550f453ba04SDave Airlie 4551fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4552fb3b06c8SDave Airlie return -EINVAL; 4553fb3b06c8SDave Airlie 455484849903SDaniel Vetter drm_modeset_lock_all(dev); 45558fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 45566bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4557a2b34e22SRob Clark if (!blob) { 4558f27657f2SVille Syrjälä ret = -ENOENT; 4559f453ba04SDave Airlie goto done; 4560f453ba04SDave Airlie } 4561f453ba04SDave Airlie 4562f453ba04SDave Airlie if (out_resp->length == blob->length) { 456381f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 4564f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)) { 4565f453ba04SDave Airlie ret = -EFAULT; 4566f453ba04SDave Airlie goto done; 4567f453ba04SDave Airlie } 4568f453ba04SDave Airlie } 4569f453ba04SDave Airlie out_resp->length = blob->length; 4570f453ba04SDave Airlie 4571f453ba04SDave Airlie done: 45728fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 457384849903SDaniel Vetter drm_modeset_unlock_all(dev); 4574f453ba04SDave Airlie return ret; 4575f453ba04SDave Airlie } 4576f453ba04SDave Airlie 4577cc7096fbSDave Airlie /** 4578e2f5d2eaSDaniel Stone * drm_mode_createblob_ioctl - create a new blob property 4579e2f5d2eaSDaniel Stone * @dev: DRM device 4580e2f5d2eaSDaniel Stone * @data: ioctl data 4581e2f5d2eaSDaniel Stone * @file_priv: DRM file info 4582e2f5d2eaSDaniel Stone * 4583e2f5d2eaSDaniel Stone * This function creates a new blob property with user-defined values. In order 4584e2f5d2eaSDaniel Stone * to give us sensible validation and checking when creating, rather than at 4585e2f5d2eaSDaniel Stone * every potential use, we also require a type to be provided upfront. 4586e2f5d2eaSDaniel Stone * 4587e2f5d2eaSDaniel Stone * Called by the user via ioctl. 4588e2f5d2eaSDaniel Stone * 4589e2f5d2eaSDaniel Stone * Returns: 4590e2f5d2eaSDaniel Stone * Zero on success, negative errno on failure. 4591e2f5d2eaSDaniel Stone */ 4592e2f5d2eaSDaniel Stone int drm_mode_createblob_ioctl(struct drm_device *dev, 4593e2f5d2eaSDaniel Stone void *data, struct drm_file *file_priv) 4594e2f5d2eaSDaniel Stone { 4595e2f5d2eaSDaniel Stone struct drm_mode_create_blob *out_resp = data; 4596e2f5d2eaSDaniel Stone struct drm_property_blob *blob; 4597e2f5d2eaSDaniel Stone void __user *blob_ptr; 4598e2f5d2eaSDaniel Stone int ret = 0; 4599e2f5d2eaSDaniel Stone 4600e2f5d2eaSDaniel Stone if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4601e2f5d2eaSDaniel Stone return -EINVAL; 4602e2f5d2eaSDaniel Stone 4603e2f5d2eaSDaniel Stone blob = drm_property_create_blob(dev, out_resp->length, NULL); 4604e2f5d2eaSDaniel Stone if (IS_ERR(blob)) 4605e2f5d2eaSDaniel Stone return PTR_ERR(blob); 4606e2f5d2eaSDaniel Stone 4607e2f5d2eaSDaniel Stone blob_ptr = (void __user *)(unsigned long)out_resp->data; 4608e2f5d2eaSDaniel Stone if (copy_from_user(blob->data, blob_ptr, out_resp->length)) { 4609e2f5d2eaSDaniel Stone ret = -EFAULT; 4610e2f5d2eaSDaniel Stone goto out_blob; 4611e2f5d2eaSDaniel Stone } 4612e2f5d2eaSDaniel Stone 4613e2f5d2eaSDaniel Stone /* Dropping the lock between create_blob and our access here is safe 4614e2f5d2eaSDaniel Stone * as only the same file_priv can remove the blob; at this point, it is 4615e2f5d2eaSDaniel Stone * not associated with any file_priv. */ 4616e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4617e2f5d2eaSDaniel Stone out_resp->blob_id = blob->base.id; 46188731b269SManeet Singh list_add_tail(&blob->head_file, &file_priv->blobs); 4619e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4620e2f5d2eaSDaniel Stone 4621e2f5d2eaSDaniel Stone return 0; 4622e2f5d2eaSDaniel Stone 4623e2f5d2eaSDaniel Stone out_blob: 4624e2f5d2eaSDaniel Stone drm_property_unreference_blob(blob); 4625e2f5d2eaSDaniel Stone return ret; 4626e2f5d2eaSDaniel Stone } 4627e2f5d2eaSDaniel Stone 4628e2f5d2eaSDaniel Stone /** 4629e2f5d2eaSDaniel Stone * drm_mode_destroyblob_ioctl - destroy a user blob property 4630e2f5d2eaSDaniel Stone * @dev: DRM device 4631e2f5d2eaSDaniel Stone * @data: ioctl data 4632e2f5d2eaSDaniel Stone * @file_priv: DRM file info 4633e2f5d2eaSDaniel Stone * 4634e2f5d2eaSDaniel Stone * Destroy an existing user-defined blob property. 4635e2f5d2eaSDaniel Stone * 4636e2f5d2eaSDaniel Stone * Called by the user via ioctl. 4637e2f5d2eaSDaniel Stone * 4638e2f5d2eaSDaniel Stone * Returns: 4639e2f5d2eaSDaniel Stone * Zero on success, negative errno on failure. 4640e2f5d2eaSDaniel Stone */ 4641e2f5d2eaSDaniel Stone int drm_mode_destroyblob_ioctl(struct drm_device *dev, 4642e2f5d2eaSDaniel Stone void *data, struct drm_file *file_priv) 4643e2f5d2eaSDaniel Stone { 4644e2f5d2eaSDaniel Stone struct drm_mode_destroy_blob *out_resp = data; 4645e2f5d2eaSDaniel Stone struct drm_property_blob *blob = NULL, *bt; 4646e2f5d2eaSDaniel Stone bool found = false; 4647e2f5d2eaSDaniel Stone int ret = 0; 4648e2f5d2eaSDaniel Stone 4649e2f5d2eaSDaniel Stone if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4650e2f5d2eaSDaniel Stone return -EINVAL; 4651e2f5d2eaSDaniel Stone 4652e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4653e2f5d2eaSDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4654e2f5d2eaSDaniel Stone if (!blob) { 4655e2f5d2eaSDaniel Stone ret = -ENOENT; 4656e2f5d2eaSDaniel Stone goto err; 4657e2f5d2eaSDaniel Stone } 4658e2f5d2eaSDaniel Stone 4659e2f5d2eaSDaniel Stone /* Ensure the property was actually created by this user. */ 4660e2f5d2eaSDaniel Stone list_for_each_entry(bt, &file_priv->blobs, head_file) { 4661e2f5d2eaSDaniel Stone if (bt == blob) { 4662e2f5d2eaSDaniel Stone found = true; 4663e2f5d2eaSDaniel Stone break; 4664e2f5d2eaSDaniel Stone } 4665e2f5d2eaSDaniel Stone } 4666e2f5d2eaSDaniel Stone 4667e2f5d2eaSDaniel Stone if (!found) { 4668e2f5d2eaSDaniel Stone ret = -EPERM; 4669e2f5d2eaSDaniel Stone goto err; 4670e2f5d2eaSDaniel Stone } 4671e2f5d2eaSDaniel Stone 4672e2f5d2eaSDaniel Stone /* We must drop head_file here, because we may not be the last 4673e2f5d2eaSDaniel Stone * reference on the blob. */ 4674e2f5d2eaSDaniel Stone list_del_init(&blob->head_file); 4675e2f5d2eaSDaniel Stone drm_property_unreference_blob_locked(blob); 4676e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4677e2f5d2eaSDaniel Stone 4678e2f5d2eaSDaniel Stone return 0; 4679e2f5d2eaSDaniel Stone 4680e2f5d2eaSDaniel Stone err: 4681e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4682e2f5d2eaSDaniel Stone return ret; 4683e2f5d2eaSDaniel Stone } 4684e2f5d2eaSDaniel Stone 4685e2f5d2eaSDaniel Stone /** 4686cc7096fbSDave Airlie * drm_mode_connector_set_path_property - set tile property on connector 4687cc7096fbSDave Airlie * @connector: connector to set property on. 4688d2ed3436SDaniel Stone * @path: path to use for property; must not be NULL. 4689cc7096fbSDave Airlie * 4690cc7096fbSDave Airlie * This creates a property to expose to userspace to specify a 4691cc7096fbSDave Airlie * connector path. This is mainly used for DisplayPort MST where 4692cc7096fbSDave Airlie * connectors have a topology and we want to allow userspace to give 4693cc7096fbSDave Airlie * them more meaningful names. 4694cc7096fbSDave Airlie * 4695cc7096fbSDave Airlie * Returns: 46961a498633SDaniel Vetter * Zero on success, negative errno on failure. 4697cc7096fbSDave Airlie */ 469843aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 469912e6cecdSThierry Reding const char *path) 470043aba7ebSDave Airlie { 470143aba7ebSDave Airlie struct drm_device *dev = connector->dev; 4702ecbbe59bSThierry Reding int ret; 470343aba7ebSDave Airlie 4704d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4705d2ed3436SDaniel Stone &connector->path_blob_ptr, 4706d2ed3436SDaniel Stone strlen(path) + 1, 4707d2ed3436SDaniel Stone path, 4708d2ed3436SDaniel Stone &connector->base, 4709d2ed3436SDaniel Stone dev->mode_config.path_property); 471043aba7ebSDave Airlie return ret; 471143aba7ebSDave Airlie } 471243aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 471343aba7ebSDave Airlie 4714c8e32cc1SDaniel Vetter /** 47156f134d7bSDave Airlie * drm_mode_connector_set_tile_property - set tile property on connector 47166f134d7bSDave Airlie * @connector: connector to set property on. 47176f134d7bSDave Airlie * 47186f134d7bSDave Airlie * This looks up the tile information for a connector, and creates a 47196f134d7bSDave Airlie * property for userspace to parse if it exists. The property is of 47206f134d7bSDave Airlie * the form of 8 integers using ':' as a separator. 47216f134d7bSDave Airlie * 47226f134d7bSDave Airlie * Returns: 47236f134d7bSDave Airlie * Zero on success, errno on failure. 47246f134d7bSDave Airlie */ 47256f134d7bSDave Airlie int drm_mode_connector_set_tile_property(struct drm_connector *connector) 47266f134d7bSDave Airlie { 47276f134d7bSDave Airlie struct drm_device *dev = connector->dev; 47286f134d7bSDave Airlie char tile[256]; 4729d2ed3436SDaniel Stone int ret; 47306f134d7bSDave Airlie 47316f134d7bSDave Airlie if (!connector->has_tile) { 4732d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4733d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4734d2ed3436SDaniel Stone 0, 4735d2ed3436SDaniel Stone NULL, 4736d2ed3436SDaniel Stone &connector->base, 4737d2ed3436SDaniel Stone dev->mode_config.tile_property); 47386f134d7bSDave Airlie return ret; 47396f134d7bSDave Airlie } 47406f134d7bSDave Airlie 47416f134d7bSDave Airlie snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", 47426f134d7bSDave Airlie connector->tile_group->id, connector->tile_is_single_monitor, 47436f134d7bSDave Airlie connector->num_h_tile, connector->num_v_tile, 47446f134d7bSDave Airlie connector->tile_h_loc, connector->tile_v_loc, 47456f134d7bSDave Airlie connector->tile_h_size, connector->tile_v_size); 47466f134d7bSDave Airlie 4747d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4748d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4749d2ed3436SDaniel Stone strlen(tile) + 1, 4750d2ed3436SDaniel Stone tile, 4751d2ed3436SDaniel Stone &connector->base, 4752d2ed3436SDaniel Stone dev->mode_config.tile_property); 47536f134d7bSDave Airlie return ret; 47546f134d7bSDave Airlie } 47556f134d7bSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_tile_property); 47566f134d7bSDave Airlie 47576f134d7bSDave Airlie /** 4758c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4759c8e32cc1SDaniel Vetter * @connector: drm connector 4760c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4761c8e32cc1SDaniel Vetter * 4762c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4763c8e32cc1SDaniel Vetter * connector's edid property. 4764c8e32cc1SDaniel Vetter * 4765c8e32cc1SDaniel Vetter * Returns: 47661a498633SDaniel Vetter * Zero on success, negative errno on failure. 4767c8e32cc1SDaniel Vetter */ 4768f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 476912e6cecdSThierry Reding const struct edid *edid) 4770f453ba04SDave Airlie { 4771f453ba04SDave Airlie struct drm_device *dev = connector->dev; 4772d2ed3436SDaniel Stone size_t size = 0; 4773ecbbe59bSThierry Reding int ret; 4774f453ba04SDave Airlie 47754cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 47764cf2b281SThomas Wood if (connector->override_edid) 47774cf2b281SThomas Wood return 0; 47784cf2b281SThomas Wood 4779d2ed3436SDaniel Stone if (edid) 4780e24ff467SShixin Zeng size = EDID_LENGTH * (1 + edid->extensions); 4781f453ba04SDave Airlie 4782d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4783d2ed3436SDaniel Stone &connector->edid_blob_ptr, 4784d2ed3436SDaniel Stone size, 4785d2ed3436SDaniel Stone edid, 4786d2ed3436SDaniel Stone &connector->base, 4787d2ed3436SDaniel Stone dev->mode_config.edid_property); 4788f453ba04SDave Airlie return ret; 4789f453ba04SDave Airlie } 4790f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4791f453ba04SDave Airlie 47923843e71fSRob Clark /* Some properties could refer to dynamic refcnt'd objects, or things that 47933843e71fSRob Clark * need special locking to handle lifetime issues (ie. to ensure the prop 47943843e71fSRob Clark * value doesn't become invalid part way through the property update due to 47953843e71fSRob Clark * race). The value returned by reference via 'obj' should be passed back 47963843e71fSRob Clark * to drm_property_change_valid_put() after the property is set (and the 47973843e71fSRob Clark * object to which the property is attached has a chance to take it's own 47983843e71fSRob Clark * reference). 47993843e71fSRob Clark */ 4800d34f20d6SRob Clark bool drm_property_change_valid_get(struct drm_property *property, 48013843e71fSRob Clark uint64_t value, struct drm_mode_object **ref) 480226a34815SPaulo Zanoni { 48032ca651d1SThierry Reding int i; 48042ca651d1SThierry Reding 480526a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 480626a34815SPaulo Zanoni return false; 48075ea22f24SRob Clark 48083843e71fSRob Clark *ref = NULL; 48093843e71fSRob Clark 48105ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 481126a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 481226a34815SPaulo Zanoni return false; 481326a34815SPaulo Zanoni return true; 4814ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4815ebc44cf3SRob Clark int64_t svalue = U642I64(value); 48164dfd909fSThierry Reding 4817ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4818ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4819ebc44cf3SRob Clark return false; 4820ebc44cf3SRob Clark return true; 48215ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4822592c20eeSVille Syrjälä uint64_t valid_mask = 0; 48234dfd909fSThierry Reding 482449e27545SRob Clark for (i = 0; i < property->num_values; i++) 482549e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 482649e27545SRob Clark return !(value & ~valid_mask); 48275ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 48286bcacf51SDaniel Stone struct drm_property_blob *blob; 48296bcacf51SDaniel Stone 48306bcacf51SDaniel Stone if (value == 0) 4831c4a56750SVille Syrjälä return true; 48326bcacf51SDaniel Stone 48336bcacf51SDaniel Stone blob = drm_property_lookup_blob(property->dev, value); 48346bcacf51SDaniel Stone if (blob) { 48356bcacf51SDaniel Stone *ref = &blob->base; 48366bcacf51SDaniel Stone return true; 48376bcacf51SDaniel Stone } else { 48386bcacf51SDaniel Stone return false; 48396bcacf51SDaniel Stone } 484098f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 484198f75de4SRob Clark /* a zero value for an object property translates to null: */ 484298f75de4SRob Clark if (value == 0) 484398f75de4SRob Clark return true; 48443843e71fSRob Clark 48453843e71fSRob Clark /* handle refcnt'd objects specially: */ 48463843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) { 48473843e71fSRob Clark struct drm_framebuffer *fb; 48483843e71fSRob Clark fb = drm_framebuffer_lookup(property->dev, value); 48493843e71fSRob Clark if (fb) { 48503843e71fSRob Clark *ref = &fb->base; 48513843e71fSRob Clark return true; 48523843e71fSRob Clark } else { 48533843e71fSRob Clark return false; 48543843e71fSRob Clark } 48553843e71fSRob Clark } else { 48563843e71fSRob Clark return _object_find(property->dev, value, property->values[0]) != NULL; 48573843e71fSRob Clark } 48582ca651d1SThierry Reding } 48592ca651d1SThierry Reding 486026a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 486126a34815SPaulo Zanoni if (property->values[i] == value) 486226a34815SPaulo Zanoni return true; 486326a34815SPaulo Zanoni return false; 486426a34815SPaulo Zanoni } 486526a34815SPaulo Zanoni 4866d34f20d6SRob Clark void drm_property_change_valid_put(struct drm_property *property, 48673843e71fSRob Clark struct drm_mode_object *ref) 48683843e71fSRob Clark { 48693843e71fSRob Clark if (!ref) 48703843e71fSRob Clark return; 48713843e71fSRob Clark 48723843e71fSRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 48733843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) 48743843e71fSRob Clark drm_framebuffer_unreference(obj_to_fb(ref)); 4875da9b2a38SDaniel Stone } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 4876da9b2a38SDaniel Stone drm_property_unreference_blob(obj_to_blob(ref)); 48773843e71fSRob Clark } 48783843e71fSRob Clark 4879c8e32cc1SDaniel Vetter /** 4880c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4881c8e32cc1SDaniel Vetter * @dev: DRM device 4882c8e32cc1SDaniel Vetter * @data: ioctl data 4883c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4884c8e32cc1SDaniel Vetter * 4885c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4886c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4887c8e32cc1SDaniel Vetter * 4888c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4889c8e32cc1SDaniel Vetter * 4890c8e32cc1SDaniel Vetter * Returns: 48911a498633SDaniel Vetter * Zero on success, negative errno on failure. 4892c8e32cc1SDaniel Vetter */ 4893f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4894f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4895f453ba04SDave Airlie { 48960057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 48970057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 48980057d8ddSPaulo Zanoni .value = conn_set_prop->value, 48990057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 49000057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 49010057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 49020057d8ddSPaulo Zanoni }; 4903f453ba04SDave Airlie 49040057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 49050057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4906f453ba04SDave Airlie } 4907f453ba04SDave Airlie 4908c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4909c543188aSPaulo Zanoni struct drm_property *property, 4910c543188aSPaulo Zanoni uint64_t value) 4911c543188aSPaulo Zanoni { 4912c543188aSPaulo Zanoni int ret = -EINVAL; 4913c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4914c543188aSPaulo Zanoni 4915c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4916c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 49179a69a9acSMaarten Lankhorst ret = (*connector->funcs->dpms)(connector, (int)value); 4918c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4919c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4920c543188aSPaulo Zanoni 4921c543188aSPaulo Zanoni /* store the property value if successful */ 4922c543188aSPaulo Zanoni if (!ret) 492358495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4924c543188aSPaulo Zanoni return ret; 4925c543188aSPaulo Zanoni } 4926c543188aSPaulo Zanoni 4927bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4928bffd9de0SPaulo Zanoni struct drm_property *property, 4929bffd9de0SPaulo Zanoni uint64_t value) 4930bffd9de0SPaulo Zanoni { 4931bffd9de0SPaulo Zanoni int ret = -EINVAL; 4932bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4933bffd9de0SPaulo Zanoni 4934bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4935bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4936bffd9de0SPaulo Zanoni if (!ret) 4937bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4938bffd9de0SPaulo Zanoni 4939bffd9de0SPaulo Zanoni return ret; 4940bffd9de0SPaulo Zanoni } 4941bffd9de0SPaulo Zanoni 49423a5f87c2SThomas Wood /** 49433a5f87c2SThomas Wood * drm_mode_plane_set_obj_prop - set the value of a property 49443a5f87c2SThomas Wood * @plane: drm plane object to set property value for 49453a5f87c2SThomas Wood * @property: property to set 49463a5f87c2SThomas Wood * @value: value the property should be set to 49473a5f87c2SThomas Wood * 49483a5f87c2SThomas Wood * This functions sets a given property on a given plane object. This function 49493a5f87c2SThomas Wood * calls the driver's ->set_property callback and changes the software state of 49503a5f87c2SThomas Wood * the property if the callback succeeds. 49513a5f87c2SThomas Wood * 49523a5f87c2SThomas Wood * Returns: 49533a5f87c2SThomas Wood * Zero on success, error code on failure. 49543a5f87c2SThomas Wood */ 49553a5f87c2SThomas Wood int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 49564d93914aSRob Clark struct drm_property *property, 49574d93914aSRob Clark uint64_t value) 49584d93914aSRob Clark { 49594d93914aSRob Clark int ret = -EINVAL; 49603a5f87c2SThomas Wood struct drm_mode_object *obj = &plane->base; 49614d93914aSRob Clark 49624d93914aSRob Clark if (plane->funcs->set_property) 49634d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 49644d93914aSRob Clark if (!ret) 49654d93914aSRob Clark drm_object_property_set_value(obj, property, value); 49664d93914aSRob Clark 49674d93914aSRob Clark return ret; 49684d93914aSRob Clark } 49693a5f87c2SThomas Wood EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); 49704d93914aSRob Clark 4971c8e32cc1SDaniel Vetter /** 49721a498633SDaniel Vetter * drm_mode_obj_get_properties_ioctl - get the current value of a object's property 4973c8e32cc1SDaniel Vetter * @dev: DRM device 4974c8e32cc1SDaniel Vetter * @data: ioctl data 4975c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4976c8e32cc1SDaniel Vetter * 4977c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 4978c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 4979c8e32cc1SDaniel Vetter * plane objects. 4980c8e32cc1SDaniel Vetter * 4981c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4982c8e32cc1SDaniel Vetter * 4983c8e32cc1SDaniel Vetter * Returns: 49841a498633SDaniel Vetter * Zero on success, negative errno on failure. 4985c8e32cc1SDaniel Vetter */ 4986c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 4987c543188aSPaulo Zanoni struct drm_file *file_priv) 4988c543188aSPaulo Zanoni { 4989c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 4990c543188aSPaulo Zanoni struct drm_mode_object *obj; 4991c543188aSPaulo Zanoni int ret = 0; 4992c543188aSPaulo Zanoni 4993c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4994c543188aSPaulo Zanoni return -EINVAL; 4995c543188aSPaulo Zanoni 499684849903SDaniel Vetter drm_modeset_lock_all(dev); 4997c543188aSPaulo Zanoni 4998c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4999c543188aSPaulo Zanoni if (!obj) { 5000f27657f2SVille Syrjälä ret = -ENOENT; 5001c543188aSPaulo Zanoni goto out; 5002c543188aSPaulo Zanoni } 5003c543188aSPaulo Zanoni if (!obj->properties) { 5004c543188aSPaulo Zanoni ret = -EINVAL; 5005c543188aSPaulo Zanoni goto out; 5006c543188aSPaulo Zanoni } 5007c543188aSPaulo Zanoni 500888a48e29SRob Clark ret = get_properties(obj, file_priv->atomic, 500995cbf110SRob Clark (uint32_t __user *)(unsigned long)(arg->props_ptr), 501095cbf110SRob Clark (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), 501195cbf110SRob Clark &arg->count_props); 5012c543188aSPaulo Zanoni 5013c543188aSPaulo Zanoni out: 501484849903SDaniel Vetter drm_modeset_unlock_all(dev); 5015c543188aSPaulo Zanoni return ret; 5016c543188aSPaulo Zanoni } 5017c543188aSPaulo Zanoni 5018c8e32cc1SDaniel Vetter /** 5019c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 5020c8e32cc1SDaniel Vetter * @dev: DRM device 5021c8e32cc1SDaniel Vetter * @data: ioctl data 5022c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5023c8e32cc1SDaniel Vetter * 5024c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 5025c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 5026c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 5027c8e32cc1SDaniel Vetter * crtc and plane objects. 5028c8e32cc1SDaniel Vetter * 5029c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5030c8e32cc1SDaniel Vetter * 5031c8e32cc1SDaniel Vetter * Returns: 50321a498633SDaniel Vetter * Zero on success, negative errno on failure. 5033c8e32cc1SDaniel Vetter */ 5034c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 5035c543188aSPaulo Zanoni struct drm_file *file_priv) 5036c543188aSPaulo Zanoni { 5037c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 5038c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 5039c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 5040c543188aSPaulo Zanoni struct drm_property *property; 50413843e71fSRob Clark int i, ret = -EINVAL; 50423843e71fSRob Clark struct drm_mode_object *ref; 5043c543188aSPaulo Zanoni 5044c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5045c543188aSPaulo Zanoni return -EINVAL; 5046c543188aSPaulo Zanoni 504784849903SDaniel Vetter drm_modeset_lock_all(dev); 5048c543188aSPaulo Zanoni 5049c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 5050f27657f2SVille Syrjälä if (!arg_obj) { 5051f27657f2SVille Syrjälä ret = -ENOENT; 5052c543188aSPaulo Zanoni goto out; 5053f27657f2SVille Syrjälä } 5054c543188aSPaulo Zanoni if (!arg_obj->properties) 5055c543188aSPaulo Zanoni goto out; 5056c543188aSPaulo Zanoni 50577f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 5058b17cd757SRob Clark if (arg_obj->properties->properties[i]->base.id == arg->prop_id) 5059c543188aSPaulo Zanoni break; 5060c543188aSPaulo Zanoni 50617f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 5062c543188aSPaulo Zanoni goto out; 5063c543188aSPaulo Zanoni 5064c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 5065c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 5066f27657f2SVille Syrjälä if (!prop_obj) { 5067f27657f2SVille Syrjälä ret = -ENOENT; 5068c543188aSPaulo Zanoni goto out; 5069f27657f2SVille Syrjälä } 5070c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 5071c543188aSPaulo Zanoni 50723843e71fSRob Clark if (!drm_property_change_valid_get(property, arg->value, &ref)) 5073c543188aSPaulo Zanoni goto out; 5074c543188aSPaulo Zanoni 5075c543188aSPaulo Zanoni switch (arg_obj->type) { 5076c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 5077c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 5078c543188aSPaulo Zanoni arg->value); 5079c543188aSPaulo Zanoni break; 5080bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 5081bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 5082bffd9de0SPaulo Zanoni break; 50834d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 50843a5f87c2SThomas Wood ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), 50853a5f87c2SThomas Wood property, arg->value); 50864d93914aSRob Clark break; 5087c543188aSPaulo Zanoni } 5088c543188aSPaulo Zanoni 50893843e71fSRob Clark drm_property_change_valid_put(property, ref); 50903843e71fSRob Clark 5091c543188aSPaulo Zanoni out: 509284849903SDaniel Vetter drm_modeset_unlock_all(dev); 5093c543188aSPaulo Zanoni return ret; 5094c543188aSPaulo Zanoni } 5095c543188aSPaulo Zanoni 5096c8e32cc1SDaniel Vetter /** 5097c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 5098c8e32cc1SDaniel Vetter * @connector: connector to attach 5099c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 5100c8e32cc1SDaniel Vetter * 5101c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 5102c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 5103c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 5104c8e32cc1SDaniel Vetter * 5105c8e32cc1SDaniel Vetter * Returns: 51061a498633SDaniel Vetter * Zero on success, negative errno on failure. 5107c8e32cc1SDaniel Vetter */ 5108f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 5109f453ba04SDave Airlie struct drm_encoder *encoder) 5110f453ba04SDave Airlie { 5111f453ba04SDave Airlie int i; 5112f453ba04SDave Airlie 5113eb47fe80SThierry Reding /* 5114eb47fe80SThierry Reding * In the past, drivers have attempted to model the static association 5115eb47fe80SThierry Reding * of connector to encoder in simple connector/encoder devices using a 5116eb47fe80SThierry Reding * direct assignment of connector->encoder = encoder. This connection 5117eb47fe80SThierry Reding * is a logical one and the responsibility of the core, so drivers are 5118eb47fe80SThierry Reding * expected not to mess with this. 5119eb47fe80SThierry Reding * 5120eb47fe80SThierry Reding * Note that the error return should've been enough here, but a large 5121eb47fe80SThierry Reding * majority of drivers ignores the return value, so add in a big WARN 5122eb47fe80SThierry Reding * to get people's attention. 5123eb47fe80SThierry Reding */ 5124eb47fe80SThierry Reding if (WARN_ON(connector->encoder)) 5125eb47fe80SThierry Reding return -EINVAL; 5126eb47fe80SThierry Reding 5127f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 5128f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 5129f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 5130f453ba04SDave Airlie return 0; 5131f453ba04SDave Airlie } 5132f453ba04SDave Airlie } 5133f453ba04SDave Airlie return -ENOMEM; 5134f453ba04SDave Airlie } 5135f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 5136f453ba04SDave Airlie 5137c8e32cc1SDaniel Vetter /** 5138c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 5139c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 5140c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 5141c8e32cc1SDaniel Vetter * 5142c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 5143c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 5144c8e32cc1SDaniel Vetter * fixed gamma table size. 5145c8e32cc1SDaniel Vetter * 5146c8e32cc1SDaniel Vetter * Returns: 51471a498633SDaniel Vetter * Zero on success, negative errno on failure. 5148c8e32cc1SDaniel Vetter */ 51494cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 5150f453ba04SDave Airlie int gamma_size) 5151f453ba04SDave Airlie { 5152f453ba04SDave Airlie crtc->gamma_size = gamma_size; 5153f453ba04SDave Airlie 5154bd3f0ff9SThierry Reding crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, 5155bd3f0ff9SThierry Reding GFP_KERNEL); 5156f453ba04SDave Airlie if (!crtc->gamma_store) { 5157f453ba04SDave Airlie crtc->gamma_size = 0; 51584cae5b84SSascha Hauer return -ENOMEM; 5159f453ba04SDave Airlie } 5160f453ba04SDave Airlie 51614cae5b84SSascha Hauer return 0; 5162f453ba04SDave Airlie } 5163f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 5164f453ba04SDave Airlie 5165c8e32cc1SDaniel Vetter /** 5166c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 5167c8e32cc1SDaniel Vetter * @dev: DRM device 5168c8e32cc1SDaniel Vetter * @data: ioctl data 5169c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5170c8e32cc1SDaniel Vetter * 5171c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 5172c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 5173c8e32cc1SDaniel Vetter * 5174c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5175c8e32cc1SDaniel Vetter * 5176c8e32cc1SDaniel Vetter * Returns: 51771a498633SDaniel Vetter * Zero on success, negative errno on failure. 5178c8e32cc1SDaniel Vetter */ 5179f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 5180f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5181f453ba04SDave Airlie { 5182f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5183f453ba04SDave Airlie struct drm_crtc *crtc; 5184f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5185f453ba04SDave Airlie int size; 5186f453ba04SDave Airlie int ret = 0; 5187f453ba04SDave Airlie 5188fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5189fb3b06c8SDave Airlie return -EINVAL; 5190fb3b06c8SDave Airlie 519184849903SDaniel Vetter drm_modeset_lock_all(dev); 5192a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5193a2b34e22SRob Clark if (!crtc) { 5194f27657f2SVille Syrjälä ret = -ENOENT; 5195f453ba04SDave Airlie goto out; 5196f453ba04SDave Airlie } 5197f453ba04SDave Airlie 5198ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 5199ebe0f244SLaurent Pinchart ret = -ENOSYS; 5200ebe0f244SLaurent Pinchart goto out; 5201ebe0f244SLaurent Pinchart } 5202ebe0f244SLaurent Pinchart 5203f453ba04SDave Airlie /* memcpy into gamma store */ 5204f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5205f453ba04SDave Airlie ret = -EINVAL; 5206f453ba04SDave Airlie goto out; 5207f453ba04SDave Airlie } 5208f453ba04SDave Airlie 5209f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5210f453ba04SDave Airlie r_base = crtc->gamma_store; 5211f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 5212f453ba04SDave Airlie ret = -EFAULT; 5213f453ba04SDave Airlie goto out; 5214f453ba04SDave Airlie } 5215f453ba04SDave Airlie 5216f453ba04SDave Airlie g_base = r_base + size; 5217f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 5218f453ba04SDave Airlie ret = -EFAULT; 5219f453ba04SDave Airlie goto out; 5220f453ba04SDave Airlie } 5221f453ba04SDave Airlie 5222f453ba04SDave Airlie b_base = g_base + size; 5223f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 5224f453ba04SDave Airlie ret = -EFAULT; 5225f453ba04SDave Airlie goto out; 5226f453ba04SDave Airlie } 5227f453ba04SDave Airlie 52287203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 5229f453ba04SDave Airlie 5230f453ba04SDave Airlie out: 523184849903SDaniel Vetter drm_modeset_unlock_all(dev); 5232f453ba04SDave Airlie return ret; 5233f453ba04SDave Airlie 5234f453ba04SDave Airlie } 5235f453ba04SDave Airlie 5236c8e32cc1SDaniel Vetter /** 5237c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 5238c8e32cc1SDaniel Vetter * @dev: DRM device 5239c8e32cc1SDaniel Vetter * @data: ioctl data 5240c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5241c8e32cc1SDaniel Vetter * 5242c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 5243c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 5244c8e32cc1SDaniel Vetter * allocated storage. 5245c8e32cc1SDaniel Vetter * 5246c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5247c8e32cc1SDaniel Vetter * 5248c8e32cc1SDaniel Vetter * Returns: 52491a498633SDaniel Vetter * Zero on success, negative errno on failure. 5250c8e32cc1SDaniel Vetter */ 5251f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 5252f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5253f453ba04SDave Airlie { 5254f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5255f453ba04SDave Airlie struct drm_crtc *crtc; 5256f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5257f453ba04SDave Airlie int size; 5258f453ba04SDave Airlie int ret = 0; 5259f453ba04SDave Airlie 5260fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5261fb3b06c8SDave Airlie return -EINVAL; 5262fb3b06c8SDave Airlie 526384849903SDaniel Vetter drm_modeset_lock_all(dev); 5264a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5265a2b34e22SRob Clark if (!crtc) { 5266f27657f2SVille Syrjälä ret = -ENOENT; 5267f453ba04SDave Airlie goto out; 5268f453ba04SDave Airlie } 5269f453ba04SDave Airlie 5270f453ba04SDave Airlie /* memcpy into gamma store */ 5271f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5272f453ba04SDave Airlie ret = -EINVAL; 5273f453ba04SDave Airlie goto out; 5274f453ba04SDave Airlie } 5275f453ba04SDave Airlie 5276f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5277f453ba04SDave Airlie r_base = crtc->gamma_store; 5278f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 5279f453ba04SDave Airlie ret = -EFAULT; 5280f453ba04SDave Airlie goto out; 5281f453ba04SDave Airlie } 5282f453ba04SDave Airlie 5283f453ba04SDave Airlie g_base = r_base + size; 5284f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 5285f453ba04SDave Airlie ret = -EFAULT; 5286f453ba04SDave Airlie goto out; 5287f453ba04SDave Airlie } 5288f453ba04SDave Airlie 5289f453ba04SDave Airlie b_base = g_base + size; 5290f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 5291f453ba04SDave Airlie ret = -EFAULT; 5292f453ba04SDave Airlie goto out; 5293f453ba04SDave Airlie } 5294f453ba04SDave Airlie out: 529584849903SDaniel Vetter drm_modeset_unlock_all(dev); 5296f453ba04SDave Airlie return ret; 5297f453ba04SDave Airlie } 5298d91d8a3fSKristian Høgsberg 5299c8e32cc1SDaniel Vetter /** 5300c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 5301c8e32cc1SDaniel Vetter * @dev: DRM device 5302c8e32cc1SDaniel Vetter * @data: ioctl data 5303c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5304c8e32cc1SDaniel Vetter * 5305c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 5306c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 5307c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 5308c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 5309c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 5310c8e32cc1SDaniel Vetter * ioctl. 5311c8e32cc1SDaniel Vetter * 5312c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5313c8e32cc1SDaniel Vetter * 5314c8e32cc1SDaniel Vetter * Returns: 53151a498633SDaniel Vetter * Zero on success, negative errno on failure. 5316c8e32cc1SDaniel Vetter */ 5317d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 5318d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 5319d91d8a3fSKristian Høgsberg { 5320d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 5321d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 53223d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 5323d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 5324d91d8a3fSKristian Høgsberg int ret = -EINVAL; 5325d91d8a3fSKristian Høgsberg 5326d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 5327d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 5328d91d8a3fSKristian Høgsberg return -EINVAL; 5329d91d8a3fSKristian Høgsberg 533062f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 533162f2104fSKeith Packard return -EINVAL; 533262f2104fSKeith Packard 5333a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 5334a2b34e22SRob Clark if (!crtc) 5335f27657f2SVille Syrjälä return -ENOENT; 5336d91d8a3fSKristian Høgsberg 53374d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 5338f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 533990c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 534090c1efddSChris Wilson * due to a hotplug event, that userspace has not 534190c1efddSChris Wilson * yet discovered. 534290c1efddSChris Wilson */ 534390c1efddSChris Wilson ret = -EBUSY; 534490c1efddSChris Wilson goto out; 534590c1efddSChris Wilson } 534690c1efddSChris Wilson 5347d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 5348d91d8a3fSKristian Høgsberg goto out; 5349d91d8a3fSKristian Høgsberg 5350786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 535137c4e705SVille Syrjälä if (!fb) { 535237c4e705SVille Syrjälä ret = -ENOENT; 5353d91d8a3fSKristian Høgsberg goto out; 535437c4e705SVille Syrjälä } 5355d91d8a3fSKristian Høgsberg 53562afa701dSVille Syrjälä if (crtc->state) { 53572afa701dSVille Syrjälä const struct drm_plane_state *state = crtc->primary->state; 53582afa701dSVille Syrjälä 53592afa701dSVille Syrjälä ret = check_src_coords(state->src_x, state->src_y, 53602afa701dSVille Syrjälä state->src_w, state->src_h, fb); 53612afa701dSVille Syrjälä } else { 5362c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 53632afa701dSVille Syrjälä } 5364c11e9283SDamien Lespiau if (ret) 53655f61bb42SVille Syrjälä goto out; 53665f61bb42SVille Syrjälä 5367f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 5368909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 5369909d9cdaSLaurent Pinchart ret = -EINVAL; 5370909d9cdaSLaurent Pinchart goto out; 5371909d9cdaSLaurent Pinchart } 5372909d9cdaSLaurent Pinchart 5373d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 53742dd500f1SDaniel Vetter e = kzalloc(sizeof *e, GFP_KERNEL); 53752dd500f1SDaniel Vetter if (!e) { 5376d91d8a3fSKristian Høgsberg ret = -ENOMEM; 5377d91d8a3fSKristian Høgsberg goto out; 5378d91d8a3fSKristian Høgsberg } 53797bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 5380f76511b9SThierry Reding e->event.base.length = sizeof(e->event); 5381d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 53822dd500f1SDaniel Vetter ret = drm_event_reserve_init(dev, file_priv, &e->base, &e->event.base); 53832dd500f1SDaniel Vetter if (ret) { 53842dd500f1SDaniel Vetter kfree(e); 53852dd500f1SDaniel Vetter goto out; 53862dd500f1SDaniel Vetter } 5387d91d8a3fSKristian Høgsberg } 5388d91d8a3fSKristian Høgsberg 53893d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 5390ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 5391d91d8a3fSKristian Høgsberg if (ret) { 53922dd500f1SDaniel Vetter if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) 53932dd500f1SDaniel Vetter drm_event_cancel_free(dev, &e->base); 5394b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 53953d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5396b0d12325SDaniel Vetter } else { 53973cb43cc0SDaniel Vetter crtc->primary->fb = fb; 5398b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 5399b0d12325SDaniel Vetter fb = NULL; 5400aef6a7eeSJoonyoung Shim } 5401d91d8a3fSKristian Høgsberg 5402d91d8a3fSKristian Høgsberg out: 5403b0d12325SDaniel Vetter if (fb) 5404b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 54053d30a59bSDaniel Vetter if (crtc->primary->old_fb) 54063d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 54073d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5408d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 5409b4d5e7d1SDaniel Vetter 5410d91d8a3fSKristian Høgsberg return ret; 5411d91d8a3fSKristian Høgsberg } 5412eb033556SChris Wilson 5413c8e32cc1SDaniel Vetter /** 5414c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 5415c8e32cc1SDaniel Vetter * @dev: drm device 5416c8e32cc1SDaniel Vetter * 5417c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 5418c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 5419c8e32cc1SDaniel Vetter * reset hardware and software state. 5420c8e32cc1SDaniel Vetter */ 5421eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 5422eb033556SChris Wilson { 5423eb033556SChris Wilson struct drm_crtc *crtc; 54242a0d7cfdSDaniel Vetter struct drm_plane *plane; 5425eb033556SChris Wilson struct drm_encoder *encoder; 5426eb033556SChris Wilson struct drm_connector *connector; 5427eb033556SChris Wilson 5428e4f62546SDaniel Vetter drm_for_each_plane(plane, dev) 54292a0d7cfdSDaniel Vetter if (plane->funcs->reset) 54302a0d7cfdSDaniel Vetter plane->funcs->reset(plane); 54312a0d7cfdSDaniel Vetter 5432e4f62546SDaniel Vetter drm_for_each_crtc(crtc, dev) 5433eb033556SChris Wilson if (crtc->funcs->reset) 5434eb033556SChris Wilson crtc->funcs->reset(crtc); 5435eb033556SChris Wilson 5436e4f62546SDaniel Vetter drm_for_each_encoder(encoder, dev) 5437eb033556SChris Wilson if (encoder->funcs->reset) 5438eb033556SChris Wilson encoder->funcs->reset(encoder); 5439eb033556SChris Wilson 5440f8c2ba31SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 54414eebf60bSDave Airlie drm_for_each_connector(connector, dev) 5442eb033556SChris Wilson if (connector->funcs->reset) 5443eb033556SChris Wilson connector->funcs->reset(connector); 5444f8c2ba31SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 54455e2cb2f6SDaniel Vetter } 5446eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 5447ff72145bSDave Airlie 5448c8e32cc1SDaniel Vetter /** 5449c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 5450c8e32cc1SDaniel Vetter * @dev: DRM device 5451c8e32cc1SDaniel Vetter * @data: ioctl data 5452c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5453c8e32cc1SDaniel Vetter * 5454c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 5455c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 5456c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 5457c8e32cc1SDaniel Vetter * 5458c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 5459c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 5460c8e32cc1SDaniel Vetter * case. 5461c8e32cc1SDaniel Vetter * 5462c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5463c8e32cc1SDaniel Vetter * 5464c8e32cc1SDaniel Vetter * Returns: 54651a498633SDaniel Vetter * Zero on success, negative errno on failure. 5466c8e32cc1SDaniel Vetter */ 5467ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 5468ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5469ff72145bSDave Airlie { 5470ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 5471b28cd41fSDavid Herrmann u32 cpp, stride, size; 5472ff72145bSDave Airlie 5473ff72145bSDave Airlie if (!dev->driver->dumb_create) 5474ff72145bSDave Airlie return -ENOSYS; 5475b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 5476b28cd41fSDavid Herrmann return -EINVAL; 5477b28cd41fSDavid Herrmann 5478b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 547900e72089SDavid Herrmann /* NOTE: DIV_ROUND_UP() can overflow */ 5480b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 548100e72089SDavid Herrmann if (!cpp || cpp > 0xffffffffU / args->width) 5482b28cd41fSDavid Herrmann return -EINVAL; 5483b28cd41fSDavid Herrmann stride = cpp * args->width; 5484b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 5485b28cd41fSDavid Herrmann return -EINVAL; 5486b28cd41fSDavid Herrmann 5487b28cd41fSDavid Herrmann /* test for wrap-around */ 5488b28cd41fSDavid Herrmann size = args->height * stride; 5489b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 5490b28cd41fSDavid Herrmann return -EINVAL; 5491b28cd41fSDavid Herrmann 5492f6085952SThierry Reding /* 5493f6085952SThierry Reding * handle, pitch and size are output parameters. Zero them out to 5494f6085952SThierry Reding * prevent drivers from accidentally using uninitialized data. Since 5495f6085952SThierry Reding * not all existing userspace is clearing these fields properly we 5496f6085952SThierry Reding * cannot reject IOCTL with garbage in them. 5497f6085952SThierry Reding */ 5498f6085952SThierry Reding args->handle = 0; 5499f6085952SThierry Reding args->pitch = 0; 5500f6085952SThierry Reding args->size = 0; 5501f6085952SThierry Reding 5502ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 5503ff72145bSDave Airlie } 5504ff72145bSDave Airlie 5505c8e32cc1SDaniel Vetter /** 5506c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 5507c8e32cc1SDaniel Vetter * @dev: DRM device 5508c8e32cc1SDaniel Vetter * @data: ioctl data 5509c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5510c8e32cc1SDaniel Vetter * 5511c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 5512c8e32cc1SDaniel Vetter * memory map a dumb buffer. 5513c8e32cc1SDaniel Vetter * 5514c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5515c8e32cc1SDaniel Vetter * 5516c8e32cc1SDaniel Vetter * Returns: 55171a498633SDaniel Vetter * Zero on success, negative errno on failure. 5518c8e32cc1SDaniel Vetter */ 5519ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 5520ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5521ff72145bSDave Airlie { 5522ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 5523ff72145bSDave Airlie 5524ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 5525ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 5526ff72145bSDave Airlie return -ENOSYS; 5527ff72145bSDave Airlie 5528ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 5529ff72145bSDave Airlie } 5530ff72145bSDave Airlie 5531c8e32cc1SDaniel Vetter /** 5532c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 5533c8e32cc1SDaniel Vetter * @dev: DRM device 5534c8e32cc1SDaniel Vetter * @data: ioctl data 5535c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5536c8e32cc1SDaniel Vetter * 5537c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 5538c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 5539c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 5540c8e32cc1SDaniel Vetter * 5541c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5542c8e32cc1SDaniel Vetter * 5543c8e32cc1SDaniel Vetter * Returns: 55441a498633SDaniel Vetter * Zero on success, negative errno on failure. 5545c8e32cc1SDaniel Vetter */ 5546ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 5547ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5548ff72145bSDave Airlie { 5549ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 5550ff72145bSDave Airlie 5551ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 5552ff72145bSDave Airlie return -ENOSYS; 5553ff72145bSDave Airlie 5554ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 5555ff72145bSDave Airlie } 5556248dbc23SDave Airlie 5557c8e32cc1SDaniel Vetter /** 5558c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 5559c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 5560c8e32cc1SDaniel Vetter * @depth: storage for the depth value 5561c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 5562c8e32cc1SDaniel Vetter * 5563c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 5564c8e32cc1SDaniel Vetter * pixel formats directly yet. 5565248dbc23SDave Airlie */ 5566248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 5567248dbc23SDave Airlie int *bpp) 5568248dbc23SDave Airlie { 5569248dbc23SDave Airlie switch (format) { 5570c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 557104b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 557204b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 5573248dbc23SDave Airlie *depth = 8; 5574248dbc23SDave Airlie *bpp = 8; 5575248dbc23SDave Airlie break; 557604b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 557704b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 557804b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 557904b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 558004b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 558104b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 558204b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 558304b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 5584248dbc23SDave Airlie *depth = 15; 5585248dbc23SDave Airlie *bpp = 16; 5586248dbc23SDave Airlie break; 558704b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 558804b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 5589248dbc23SDave Airlie *depth = 16; 5590248dbc23SDave Airlie *bpp = 16; 5591248dbc23SDave Airlie break; 559204b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 559304b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 559404b3924dSVille Syrjälä *depth = 24; 559504b3924dSVille Syrjälä *bpp = 24; 559604b3924dSVille Syrjälä break; 559704b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 559804b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 559904b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 560004b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 5601248dbc23SDave Airlie *depth = 24; 5602248dbc23SDave Airlie *bpp = 32; 5603248dbc23SDave Airlie break; 560404b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 560504b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 560604b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 560704b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 560804b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 560904b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 561004b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 561104b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 5612248dbc23SDave Airlie *depth = 30; 5613248dbc23SDave Airlie *bpp = 32; 5614248dbc23SDave Airlie break; 561504b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 561604b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 561704b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 561804b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 5619248dbc23SDave Airlie *depth = 32; 5620248dbc23SDave Airlie *bpp = 32; 5621248dbc23SDave Airlie break; 5622248dbc23SDave Airlie default: 562323c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 562423c453a4SVille Syrjälä drm_get_format_name(format)); 5625248dbc23SDave Airlie *depth = 0; 5626248dbc23SDave Airlie *bpp = 0; 5627248dbc23SDave Airlie break; 5628248dbc23SDave Airlie } 5629248dbc23SDave Airlie } 5630248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 5631141670e9SVille Syrjälä 5632141670e9SVille Syrjälä /** 5633141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 5634141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 5635141670e9SVille Syrjälä * 5636c8e32cc1SDaniel Vetter * Returns: 5637141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 5638141670e9SVille Syrjälä */ 5639141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 5640141670e9SVille Syrjälä { 5641141670e9SVille Syrjälä switch (format) { 5642141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 5643141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 5644141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 5645141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 5646141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 5647141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 5648141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 5649141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 5650141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 5651141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 5652141670e9SVille Syrjälä return 3; 5653141670e9SVille Syrjälä case DRM_FORMAT_NV12: 5654141670e9SVille Syrjälä case DRM_FORMAT_NV21: 5655141670e9SVille Syrjälä case DRM_FORMAT_NV16: 5656141670e9SVille Syrjälä case DRM_FORMAT_NV61: 5657ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5658ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 5659141670e9SVille Syrjälä return 2; 5660141670e9SVille Syrjälä default: 5661141670e9SVille Syrjälä return 1; 5662141670e9SVille Syrjälä } 5663141670e9SVille Syrjälä } 5664141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 56655a86bd55SVille Syrjälä 56665a86bd55SVille Syrjälä /** 56675a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 56685a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 56695a86bd55SVille Syrjälä * @plane: plane index 56705a86bd55SVille Syrjälä * 5671c8e32cc1SDaniel Vetter * Returns: 56725a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 56735a86bd55SVille Syrjälä */ 56745a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 56755a86bd55SVille Syrjälä { 56765a86bd55SVille Syrjälä unsigned int depth; 56775a86bd55SVille Syrjälä int bpp; 56785a86bd55SVille Syrjälä 56795a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 56805a86bd55SVille Syrjälä return 0; 56815a86bd55SVille Syrjälä 56825a86bd55SVille Syrjälä switch (format) { 56835a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 56845a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 56855a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 56865a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 56875a86bd55SVille Syrjälä return 2; 56885a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 56895a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 56905a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 56915a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 5692ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5693ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 56945a86bd55SVille Syrjälä return plane ? 2 : 1; 56955a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 56965a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 56975a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 56985a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 56995a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 57005a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 57015a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 57025a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 57035a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 57045a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 57055a86bd55SVille Syrjälä return 1; 57065a86bd55SVille Syrjälä default: 57075a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 57085a86bd55SVille Syrjälä return bpp >> 3; 57095a86bd55SVille Syrjälä } 57105a86bd55SVille Syrjälä } 57115a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 571201b68b04SVille Syrjälä 571301b68b04SVille Syrjälä /** 571401b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 571501b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 571601b68b04SVille Syrjälä * 5717c8e32cc1SDaniel Vetter * Returns: 571801b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 571901b68b04SVille Syrjälä * specified pixel format. 572001b68b04SVille Syrjälä */ 572101b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 572201b68b04SVille Syrjälä { 572301b68b04SVille Syrjälä switch (format) { 572401b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 572501b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 572601b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 572701b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 572801b68b04SVille Syrjälä return 4; 572901b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 573001b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 573101b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 573201b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 573301b68b04SVille Syrjälä case DRM_FORMAT_NV12: 573401b68b04SVille Syrjälä case DRM_FORMAT_NV21: 573501b68b04SVille Syrjälä case DRM_FORMAT_NV16: 573601b68b04SVille Syrjälä case DRM_FORMAT_NV61: 573701b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 573801b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 573901b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 574001b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 574101b68b04SVille Syrjälä return 2; 574201b68b04SVille Syrjälä default: 574301b68b04SVille Syrjälä return 1; 574401b68b04SVille Syrjälä } 574501b68b04SVille Syrjälä } 574601b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 574701b68b04SVille Syrjälä 574801b68b04SVille Syrjälä /** 574901b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 575001b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 575101b68b04SVille Syrjälä * 5752c8e32cc1SDaniel Vetter * Returns: 575301b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 575401b68b04SVille Syrjälä * specified pixel format. 575501b68b04SVille Syrjälä */ 575601b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 575701b68b04SVille Syrjälä { 575801b68b04SVille Syrjälä switch (format) { 575901b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 576001b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 576101b68b04SVille Syrjälä return 4; 576201b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 576301b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 576401b68b04SVille Syrjälä case DRM_FORMAT_NV12: 576501b68b04SVille Syrjälä case DRM_FORMAT_NV21: 576601b68b04SVille Syrjälä return 2; 576701b68b04SVille Syrjälä default: 576801b68b04SVille Syrjälä return 1; 576901b68b04SVille Syrjälä } 577001b68b04SVille Syrjälä } 577101b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 577287d24fc3SLaurent Pinchart 577387d24fc3SLaurent Pinchart /** 57744c61716cSVille Syrjälä * drm_format_plane_width - width of the plane given the first plane 57754c61716cSVille Syrjälä * @width: width of the first plane 57764c61716cSVille Syrjälä * @format: pixel format 57774c61716cSVille Syrjälä * @plane: plane index 57784c61716cSVille Syrjälä * 57794c61716cSVille Syrjälä * Returns: 57804c61716cSVille Syrjälä * The width of @plane, given that the width of the first plane is @width. 57814c61716cSVille Syrjälä */ 57824c61716cSVille Syrjälä int drm_format_plane_width(int width, uint32_t format, int plane) 57834c61716cSVille Syrjälä { 57844c61716cSVille Syrjälä if (plane >= drm_format_num_planes(format)) 57854c61716cSVille Syrjälä return 0; 57864c61716cSVille Syrjälä 57874c61716cSVille Syrjälä if (plane == 0) 57884c61716cSVille Syrjälä return width; 57894c61716cSVille Syrjälä 57904c61716cSVille Syrjälä return width / drm_format_horz_chroma_subsampling(format); 57914c61716cSVille Syrjälä } 57924c61716cSVille Syrjälä EXPORT_SYMBOL(drm_format_plane_width); 57934c61716cSVille Syrjälä 57944c61716cSVille Syrjälä /** 57954c61716cSVille Syrjälä * drm_format_plane_height - height of the plane given the first plane 57964c61716cSVille Syrjälä * @height: height of the first plane 57974c61716cSVille Syrjälä * @format: pixel format 57984c61716cSVille Syrjälä * @plane: plane index 57994c61716cSVille Syrjälä * 58004c61716cSVille Syrjälä * Returns: 58014c61716cSVille Syrjälä * The height of @plane, given that the height of the first plane is @height. 58024c61716cSVille Syrjälä */ 58034c61716cSVille Syrjälä int drm_format_plane_height(int height, uint32_t format, int plane) 58044c61716cSVille Syrjälä { 58054c61716cSVille Syrjälä if (plane >= drm_format_num_planes(format)) 58064c61716cSVille Syrjälä return 0; 58074c61716cSVille Syrjälä 58084c61716cSVille Syrjälä if (plane == 0) 58094c61716cSVille Syrjälä return height; 58104c61716cSVille Syrjälä 58114c61716cSVille Syrjälä return height / drm_format_vert_chroma_subsampling(format); 58124c61716cSVille Syrjälä } 58134c61716cSVille Syrjälä EXPORT_SYMBOL(drm_format_plane_height); 58144c61716cSVille Syrjälä 58154c61716cSVille Syrjälä /** 58163c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 58173c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 58183c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 58193c9855f6SVille Syrjälä * 58203c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 58213c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 58223c9855f6SVille Syrjälä * one could call this function like this: 58233c9855f6SVille Syrjälä * 58243c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 58253c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 58263c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 58273c9855f6SVille Syrjälä * 58283c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 58293c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 58303c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 58313c9855f6SVille Syrjälä * check the result afterwards. 58323c9855f6SVille Syrjälä */ 58333c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 58343c9855f6SVille Syrjälä unsigned int supported_rotations) 58353c9855f6SVille Syrjälä { 58363c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 58373c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 583814152c8dSJoonas Lahtinen rotation = (rotation & DRM_REFLECT_MASK) | 583914152c8dSJoonas Lahtinen BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4); 58403c9855f6SVille Syrjälä } 58413c9855f6SVille Syrjälä 58423c9855f6SVille Syrjälä return rotation; 58433c9855f6SVille Syrjälä } 58443c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 58453c9855f6SVille Syrjälä 58463c9855f6SVille Syrjälä /** 584787d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 584887d24fc3SLaurent Pinchart * @dev: DRM device 584987d24fc3SLaurent Pinchart * 585087d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 585187d24fc3SLaurent Pinchart * configuration of @dev. 585287d24fc3SLaurent Pinchart * 585387d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 585487d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 585587d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 585687d24fc3SLaurent Pinchart * 585787d24fc3SLaurent Pinchart */ 585887d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 585987d24fc3SLaurent Pinchart { 586087d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 586151fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 586287d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 586387d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 58648fb6e7a5SDaniel Stone mutex_init(&dev->mode_config.blob_lock); 586587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 586687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 586787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 586887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 586987d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 587087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 587187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 587287d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 5873138f9ebbSDave Airlie idr_init(&dev->mode_config.tile_idr); 587487d24fc3SLaurent Pinchart 587587d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 58766b4959f4SRob Clark drm_mode_create_standard_properties(dev); 587787d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 587887d24fc3SLaurent Pinchart 587987d24fc3SLaurent Pinchart /* Just to be sure */ 588087d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 588187d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 588287d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 588387d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5884e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5885e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 588687d24fc3SLaurent Pinchart } 588787d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 588887d24fc3SLaurent Pinchart 588987d24fc3SLaurent Pinchart /** 589087d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 589187d24fc3SLaurent Pinchart * @dev: DRM device 589287d24fc3SLaurent Pinchart * 589387d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 589487d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 589587d24fc3SLaurent Pinchart * 589687d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 589787d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 589887d24fc3SLaurent Pinchart * this guarantee actually holds true. 589987d24fc3SLaurent Pinchart * 590087d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 590187d24fc3SLaurent Pinchart */ 590287d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 590387d24fc3SLaurent Pinchart { 590487d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 590587d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 590687d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 590787d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 590887d24fc3SLaurent Pinchart struct drm_property *property, *pt; 590987d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 591087d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 591187d24fc3SLaurent Pinchart 591287d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 591387d24fc3SLaurent Pinchart head) { 591487d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 591587d24fc3SLaurent Pinchart } 591687d24fc3SLaurent Pinchart 591787d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 591887d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 591987d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 592087d24fc3SLaurent Pinchart } 592187d24fc3SLaurent Pinchart 592287d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 592387d24fc3SLaurent Pinchart head) { 592487d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 592587d24fc3SLaurent Pinchart } 592687d24fc3SLaurent Pinchart 592787d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 5928e2f5d2eaSDaniel Stone head_global) { 59296bcacf51SDaniel Stone drm_property_unreference_blob(blob); 593087d24fc3SLaurent Pinchart } 593187d24fc3SLaurent Pinchart 593287d24fc3SLaurent Pinchart /* 593387d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 593487d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 593587d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 593687d24fc3SLaurent Pinchart * 593787d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 593887d24fc3SLaurent Pinchart * so politely WARN about this. 593987d24fc3SLaurent Pinchart */ 594087d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 594187d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 5942c099b55aSMaarten Lankhorst drm_framebuffer_free(&fb->refcount); 594387d24fc3SLaurent Pinchart } 594487d24fc3SLaurent Pinchart 594587d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 594687d24fc3SLaurent Pinchart head) { 594787d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 594887d24fc3SLaurent Pinchart } 594987d24fc3SLaurent Pinchart 595087d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 595187d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 595287d24fc3SLaurent Pinchart } 595387d24fc3SLaurent Pinchart 5954138f9ebbSDave Airlie idr_destroy(&dev->mode_config.tile_idr); 595587d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 595651fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 595787d24fc3SLaurent Pinchart } 595887d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5959c1df5f3cSVille Syrjälä 5960c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5961c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5962c1df5f3cSVille Syrjälä { 5963c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5964c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5965c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5966c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5967c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5968c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5969c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5970c1df5f3cSVille Syrjälä }; 5971c1df5f3cSVille Syrjälä 5972c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5973c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5974c1df5f3cSVille Syrjälä supported_rotations); 5975c1df5f3cSVille Syrjälä } 5976c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 5977138f9ebbSDave Airlie 5978138f9ebbSDave Airlie /** 5979138f9ebbSDave Airlie * DOC: Tile group 5980138f9ebbSDave Airlie * 5981138f9ebbSDave Airlie * Tile groups are used to represent tiled monitors with a unique 5982138f9ebbSDave Airlie * integer identifier. Tiled monitors using DisplayID v1.3 have 5983138f9ebbSDave Airlie * a unique 8-byte handle, we store this in a tile group, so we 5984138f9ebbSDave Airlie * have a common identifier for all tiles in a monitor group. 5985138f9ebbSDave Airlie */ 5986138f9ebbSDave Airlie static void drm_tile_group_free(struct kref *kref) 5987138f9ebbSDave Airlie { 5988138f9ebbSDave Airlie struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); 5989138f9ebbSDave Airlie struct drm_device *dev = tg->dev; 5990138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5991138f9ebbSDave Airlie idr_remove(&dev->mode_config.tile_idr, tg->id); 5992138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5993138f9ebbSDave Airlie kfree(tg); 5994138f9ebbSDave Airlie } 5995138f9ebbSDave Airlie 5996138f9ebbSDave Airlie /** 5997138f9ebbSDave Airlie * drm_mode_put_tile_group - drop a reference to a tile group. 5998138f9ebbSDave Airlie * @dev: DRM device 5999138f9ebbSDave Airlie * @tg: tile group to drop reference to. 6000138f9ebbSDave Airlie * 6001138f9ebbSDave Airlie * drop reference to tile group and free if 0. 6002138f9ebbSDave Airlie */ 6003138f9ebbSDave Airlie void drm_mode_put_tile_group(struct drm_device *dev, 6004138f9ebbSDave Airlie struct drm_tile_group *tg) 6005138f9ebbSDave Airlie { 6006138f9ebbSDave Airlie kref_put(&tg->refcount, drm_tile_group_free); 6007138f9ebbSDave Airlie } 6008138f9ebbSDave Airlie 6009138f9ebbSDave Airlie /** 6010138f9ebbSDave Airlie * drm_mode_get_tile_group - get a reference to an existing tile group 6011138f9ebbSDave Airlie * @dev: DRM device 6012138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 6013138f9ebbSDave Airlie * 6014138f9ebbSDave Airlie * Use the unique bytes to get a reference to an existing tile group. 6015138f9ebbSDave Airlie * 6016138f9ebbSDave Airlie * RETURNS: 6017138f9ebbSDave Airlie * tile group or NULL if not found. 6018138f9ebbSDave Airlie */ 6019138f9ebbSDave Airlie struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, 6020138f9ebbSDave Airlie char topology[8]) 6021138f9ebbSDave Airlie { 6022138f9ebbSDave Airlie struct drm_tile_group *tg; 6023138f9ebbSDave Airlie int id; 6024138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6025138f9ebbSDave Airlie idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { 6026138f9ebbSDave Airlie if (!memcmp(tg->group_data, topology, 8)) { 6027138f9ebbSDave Airlie if (!kref_get_unless_zero(&tg->refcount)) 6028138f9ebbSDave Airlie tg = NULL; 6029138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6030138f9ebbSDave Airlie return tg; 6031138f9ebbSDave Airlie } 6032138f9ebbSDave Airlie } 6033138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6034138f9ebbSDave Airlie return NULL; 6035138f9ebbSDave Airlie } 603681ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_get_tile_group); 6037138f9ebbSDave Airlie 6038138f9ebbSDave Airlie /** 6039138f9ebbSDave Airlie * drm_mode_create_tile_group - create a tile group from a displayid description 6040138f9ebbSDave Airlie * @dev: DRM device 6041138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 6042138f9ebbSDave Airlie * 6043138f9ebbSDave Airlie * Create a tile group for the unique monitor, and get a unique 6044138f9ebbSDave Airlie * identifier for the tile group. 6045138f9ebbSDave Airlie * 6046138f9ebbSDave Airlie * RETURNS: 6047138f9ebbSDave Airlie * new tile group or error. 6048138f9ebbSDave Airlie */ 6049138f9ebbSDave Airlie struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, 6050138f9ebbSDave Airlie char topology[8]) 6051138f9ebbSDave Airlie { 6052138f9ebbSDave Airlie struct drm_tile_group *tg; 6053138f9ebbSDave Airlie int ret; 6054138f9ebbSDave Airlie 6055138f9ebbSDave Airlie tg = kzalloc(sizeof(*tg), GFP_KERNEL); 6056138f9ebbSDave Airlie if (!tg) 6057138f9ebbSDave Airlie return ERR_PTR(-ENOMEM); 6058138f9ebbSDave Airlie 6059138f9ebbSDave Airlie kref_init(&tg->refcount); 6060138f9ebbSDave Airlie memcpy(tg->group_data, topology, 8); 6061138f9ebbSDave Airlie tg->dev = dev; 6062138f9ebbSDave Airlie 6063138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6064138f9ebbSDave Airlie ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); 6065138f9ebbSDave Airlie if (ret >= 0) { 6066138f9ebbSDave Airlie tg->id = ret; 6067138f9ebbSDave Airlie } else { 6068138f9ebbSDave Airlie kfree(tg); 6069138f9ebbSDave Airlie tg = ERR_PTR(ret); 6070138f9ebbSDave Airlie } 6071138f9ebbSDave Airlie 6072138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6073138f9ebbSDave Airlie return tg; 6074138f9ebbSDave Airlie } 607581ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_create_tile_group); 6076