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, 48c394c2b0SMatt Roper 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: 309f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 310f453ba04SDave Airlie * object. 311f453ba04SDave Airlie */ 3128bd441b2SDaniel Vetter int drm_mode_object_get(struct drm_device *dev, 313f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 314f453ba04SDave Airlie { 3152ee39452SDave Airlie return drm_mode_object_get_reg(dev, obj, obj_type, true); 3164b096ac1SDaniel Vetter } 3174b096ac1SDaniel Vetter 3182ee39452SDave Airlie static void drm_mode_object_register(struct drm_device *dev, 3192ee39452SDave Airlie struct drm_mode_object *obj) 3202ee39452SDave Airlie { 3212ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 3222ee39452SDave Airlie idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); 3232ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 324f453ba04SDave Airlie } 325f453ba04SDave Airlie 326f453ba04SDave Airlie /** 327065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 328f453ba04SDave Airlie * @dev: DRM device 329065a50edSDaniel Vetter * @object: object to free 330f453ba04SDave Airlie * 331c8e32cc1SDaniel Vetter * Free @id from @dev's unique identifier pool. Note that despite the _get 332c8e32cc1SDaniel Vetter * postfix modeset identifiers are _not_ reference counted. Hence don't use this 333c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 334f453ba04SDave Airlie */ 3358bd441b2SDaniel Vetter void drm_mode_object_put(struct drm_device *dev, 336f453ba04SDave Airlie struct drm_mode_object *object) 337f453ba04SDave Airlie { 338ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 339f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 340ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 341f453ba04SDave Airlie } 342f453ba04SDave Airlie 34398f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 34498f75de4SRob Clark uint32_t id, uint32_t type) 34598f75de4SRob Clark { 34698f75de4SRob Clark struct drm_mode_object *obj = NULL; 34798f75de4SRob Clark 34898f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 34998f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 350168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 351168c02ecSDaniel Vetter obj = NULL; 352168c02ecSDaniel Vetter if (obj && obj->id != id) 353168c02ecSDaniel Vetter obj = NULL; 354168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 3556bcacf51SDaniel Stone if (obj && 3566bcacf51SDaniel Stone (obj->type == DRM_MODE_OBJECT_FB || 3576bcacf51SDaniel Stone obj->type == DRM_MODE_OBJECT_BLOB)) 35898f75de4SRob Clark obj = NULL; 35998f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 36098f75de4SRob Clark 36198f75de4SRob Clark return obj; 36298f75de4SRob Clark } 36398f75de4SRob Clark 364786b99edSDaniel Vetter /** 365786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 366786b99edSDaniel Vetter * @dev: drm device 367786b99edSDaniel Vetter * @id: id of the mode object 368786b99edSDaniel Vetter * @type: type of the mode object 369786b99edSDaniel Vetter * 370786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 37198f75de4SRob Clark * are reference counted, they need special treatment. Even with 37298f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 37398f75de4SRob Clark * rather than WARN_ON()). 374786b99edSDaniel Vetter */ 3757a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3767a9c9060SDaniel Vetter uint32_t id, uint32_t type) 377f453ba04SDave Airlie { 378ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 379f453ba04SDave Airlie 380786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 381786b99edSDaniel Vetter * function.*/ 3826bcacf51SDaniel Stone WARN_ON(type == DRM_MODE_OBJECT_FB || type == DRM_MODE_OBJECT_BLOB); 38398f75de4SRob Clark obj = _object_find(dev, id, type); 384f453ba04SDave Airlie return obj; 385f453ba04SDave Airlie } 386f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 387f453ba04SDave Airlie 388f453ba04SDave Airlie /** 389f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 390f453ba04SDave Airlie * @dev: DRM device 391065a50edSDaniel Vetter * @fb: framebuffer to be initialized 392065a50edSDaniel Vetter * @funcs: ... with these functions 393f453ba04SDave Airlie * 394f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 395f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 396f453ba04SDave Airlie * 3974b096ac1SDaniel Vetter * IMPORTANT: 3984b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 3994b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 4004b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 4014b096ac1SDaniel Vetter * locking but only correct reference counting is required. 4024b096ac1SDaniel Vetter * 403c8e32cc1SDaniel Vetter * Returns: 404af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 405f453ba04SDave Airlie */ 406f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 407f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 408f453ba04SDave Airlie { 409f453ba04SDave Airlie int ret; 410f453ba04SDave Airlie 4114b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 412f7eff60eSRob Clark kref_init(&fb->refcount); 4134b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4144b096ac1SDaniel Vetter fb->dev = dev; 4154b096ac1SDaniel Vetter fb->funcs = funcs; 416f7eff60eSRob Clark 417f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 4186bfc56aaSVille Syrjälä if (ret) 4194b096ac1SDaniel Vetter goto out; 420f453ba04SDave Airlie 421f453ba04SDave Airlie dev->mode_config.num_fb++; 422f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4234b096ac1SDaniel Vetter out: 4244b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 425f453ba04SDave Airlie 426f453ba04SDave Airlie return 0; 427f453ba04SDave Airlie } 428f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 429f453ba04SDave Airlie 43083f45fc3SDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 43183f45fc3SDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 43283f45fc3SDaniel Vetter struct drm_framebuffer *fb) 43383f45fc3SDaniel Vetter { 43483f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 43583f45fc3SDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 43683f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 43783f45fc3SDaniel Vetter 43883f45fc3SDaniel Vetter fb->base.id = 0; 43983f45fc3SDaniel Vetter } 44083f45fc3SDaniel Vetter 441f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 442f7eff60eSRob Clark { 443f7eff60eSRob Clark struct drm_framebuffer *fb = 444f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 44583f45fc3SDaniel Vetter struct drm_device *dev = fb->dev; 44683f45fc3SDaniel Vetter 44783f45fc3SDaniel Vetter /* 44883f45fc3SDaniel Vetter * The lookup idr holds a weak reference, which has not necessarily been 44983f45fc3SDaniel Vetter * removed at this point. Check for that. 45083f45fc3SDaniel Vetter */ 45183f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 45283f45fc3SDaniel Vetter if (fb->base.id) { 45383f45fc3SDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 45483f45fc3SDaniel Vetter __drm_framebuffer_unregister(dev, fb); 45583f45fc3SDaniel Vetter } 45683f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 45783f45fc3SDaniel Vetter 458f7eff60eSRob Clark fb->funcs->destroy(fb); 459f7eff60eSRob Clark } 460f7eff60eSRob Clark 4612b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4622b677e8cSDaniel Vetter uint32_t id) 4632b677e8cSDaniel Vetter { 4642b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4652b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4662b677e8cSDaniel Vetter 4672b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4682b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4692b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4702b677e8cSDaniel Vetter fb = NULL; 4712b677e8cSDaniel Vetter else 4722b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4732b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4742b677e8cSDaniel Vetter 4752b677e8cSDaniel Vetter return fb; 4762b677e8cSDaniel Vetter } 4772b677e8cSDaniel Vetter 478f7eff60eSRob Clark /** 479786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 480786b99edSDaniel Vetter * @dev: drm device 481786b99edSDaniel Vetter * @id: id of the fb object 482786b99edSDaniel Vetter * 483786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 484786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 485c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 486786b99edSDaniel Vetter */ 487786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 488786b99edSDaniel Vetter uint32_t id) 489786b99edSDaniel Vetter { 490786b99edSDaniel Vetter struct drm_framebuffer *fb; 491786b99edSDaniel Vetter 492786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4932b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 49483f45fc3SDaniel Vetter if (fb) { 49583f45fc3SDaniel Vetter if (!kref_get_unless_zero(&fb->refcount)) 49683f45fc3SDaniel Vetter fb = NULL; 49783f45fc3SDaniel Vetter } 498786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 499786b99edSDaniel Vetter 500786b99edSDaniel Vetter return fb; 501786b99edSDaniel Vetter } 502786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 503786b99edSDaniel Vetter 504786b99edSDaniel Vetter /** 505f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 506065a50edSDaniel Vetter * @fb: framebuffer to unref 507065a50edSDaniel Vetter * 508065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 509f7eff60eSRob Clark */ 510f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 511f7eff60eSRob Clark { 5128291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 513f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 514f7eff60eSRob Clark } 515f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 516f7eff60eSRob Clark 517f7eff60eSRob Clark /** 518f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 519065a50edSDaniel Vetter * @fb: framebuffer 520c8e32cc1SDaniel Vetter * 521c8e32cc1SDaniel Vetter * This functions increments the fb's refcount. 522f7eff60eSRob Clark */ 523f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 524f7eff60eSRob Clark { 5258291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 526f7eff60eSRob Clark kref_get(&fb->refcount); 527f7eff60eSRob Clark } 528f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 529f7eff60eSRob Clark 530f453ba04SDave Airlie /** 53136206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 53236206361SDaniel Vetter * @fb: fb to unregister 53336206361SDaniel Vetter * 53436206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 53536206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 53636206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 53736206361SDaniel Vetter * locking inversion). 53836206361SDaniel Vetter */ 53936206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 54036206361SDaniel Vetter { 5412b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 5422b677e8cSDaniel Vetter 5432b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5442b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5452b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5462b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 54736206361SDaniel Vetter } 54836206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 54936206361SDaniel Vetter 55036206361SDaniel Vetter /** 551f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 552f453ba04SDave Airlie * @fb: framebuffer to remove 553f453ba04SDave Airlie * 554c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 555c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 556c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 55736206361SDaniel Vetter * 55836206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 55936206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 56036206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 56136206361SDaniel Vetter * 56236206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 56336206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 56436206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 56536206361SDaniel Vetter * drm_framebuffer_unregister_private. 566f453ba04SDave Airlie */ 567f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 568f453ba04SDave Airlie { 569f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5708faf6b18SDaniel Vetter 5714b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 572f7eff60eSRob Clark list_del(&fb->head); 573f7eff60eSRob Clark dev->mode_config.num_fb--; 5744b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 575f7eff60eSRob Clark } 576f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 577f7eff60eSRob Clark 578f7eff60eSRob Clark /** 579f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 580f7eff60eSRob Clark * @fb: framebuffer to remove 581f7eff60eSRob Clark * 582f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 58336206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 584b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 585b62584e3SDaniel Vetter * 586b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 587b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 588b62584e3SDaniel Vetter * modeset locks in this case. 589f7eff60eSRob Clark */ 590f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 591f7eff60eSRob Clark { 592f7eff60eSRob Clark struct drm_device *dev = fb->dev; 593f453ba04SDave Airlie struct drm_crtc *crtc; 5948cf5c917SJesse Barnes struct drm_plane *plane; 5955ef5f72fSDave Airlie struct drm_mode_set set; 5965ef5f72fSDave Airlie int ret; 597f453ba04SDave Airlie 5984b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5998faf6b18SDaniel Vetter 600b62584e3SDaniel Vetter /* 601b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 602b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 603b62584e3SDaniel Vetter * longer need, try to optimize this away. 604b62584e3SDaniel Vetter * 605b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 606b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 607b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 608b62584e3SDaniel Vetter * locks. 609b62584e3SDaniel Vetter * 610b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 611b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 612b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 613b62584e3SDaniel Vetter * in this manner. 614b62584e3SDaniel Vetter */ 615b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 616b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 617f453ba04SDave Airlie /* remove from any CRTC */ 618f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 619f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6205ef5f72fSDave Airlie /* should turn off the crtc */ 6215ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6225ef5f72fSDave Airlie set.crtc = crtc; 6235ef5f72fSDave Airlie set.fb = NULL; 6242d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6255ef5f72fSDave Airlie if (ret) 6265ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6275ef5f72fSDave Airlie } 628f453ba04SDave Airlie } 629f453ba04SDave Airlie 6308cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 6319125e618SVille Syrjälä if (plane->fb == fb) 6329125e618SVille Syrjälä drm_plane_force_disable(plane); 6338cf5c917SJesse Barnes } 634b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 635b62584e3SDaniel Vetter } 6368cf5c917SJesse Barnes 637f7eff60eSRob Clark drm_framebuffer_unreference(fb); 638f453ba04SDave Airlie } 639f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 640f453ba04SDave Airlie 64151fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 64251fd371bSRob Clark 643f453ba04SDave Airlie /** 644e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 645e13161afSMatt Roper * specified primary and cursor planes. 646f453ba04SDave Airlie * @dev: DRM device 647f453ba04SDave Airlie * @crtc: CRTC object to init 648e13161afSMatt Roper * @primary: Primary plane for CRTC 649e13161afSMatt Roper * @cursor: Cursor plane for CRTC 650f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 651f453ba04SDave Airlie * 652ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6536bfc56aaSVille Syrjälä * 654c8e32cc1SDaniel Vetter * Returns: 6556bfc56aaSVille Syrjälä * Zero on success, error code on failure. 656f453ba04SDave Airlie */ 657e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 658e13161afSMatt Roper struct drm_plane *primary, 659fc1d3e44SMatt Roper struct drm_plane *cursor, 660f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 661f453ba04SDave Airlie { 66251fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6636bfc56aaSVille Syrjälä int ret; 6646bfc56aaSVille Syrjälä 665522cf91fSBenjamin Gaignard WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); 666522cf91fSBenjamin Gaignard WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); 667522cf91fSBenjamin Gaignard 668f453ba04SDave Airlie crtc->dev = dev; 669f453ba04SDave Airlie crtc->funcs = funcs; 6707c80e128SRob Clark crtc->invert_dimensions = false; 671f453ba04SDave Airlie 67251fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 6736bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6746bfc56aaSVille Syrjälä if (ret) 675baf698b0SDaniel Vetter return ret; 676f453ba04SDave Airlie 677bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 678bffd9de0SPaulo Zanoni 67951fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 68051fd371bSRob Clark config->num_crtc++; 6816bfc56aaSVille Syrjälä 682e13161afSMatt Roper crtc->primary = primary; 683fc1d3e44SMatt Roper crtc->cursor = cursor; 684e13161afSMatt Roper if (primary) 685e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 686fc1d3e44SMatt Roper if (cursor) 687fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 688e13161afSMatt Roper 689eab3bbefSDaniel Vetter if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 690eab3bbefSDaniel Vetter drm_object_attach_property(&crtc->base, config->prop_active, 0); 691eab3bbefSDaniel Vetter } 692eab3bbefSDaniel Vetter 693baf698b0SDaniel Vetter return 0; 694f453ba04SDave Airlie } 695e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 696f453ba04SDave Airlie 697f453ba04SDave Airlie /** 698ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 699f453ba04SDave Airlie * @crtc: CRTC to cleanup 700f453ba04SDave Airlie * 701ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 702ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 703ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 704f453ba04SDave Airlie */ 705f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 706f453ba04SDave Airlie { 707f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 708f453ba04SDave Airlie 709f453ba04SDave Airlie kfree(crtc->gamma_store); 710f453ba04SDave Airlie crtc->gamma_store = NULL; 711f453ba04SDave Airlie 71251fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 71351fd371bSRob Clark 714f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 715f453ba04SDave Airlie list_del(&crtc->head); 716f453ba04SDave Airlie dev->mode_config.num_crtc--; 7173009c037SThierry Reding 7183009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 7193009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 7203009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 721a18c0af1SThierry Reding 722a18c0af1SThierry Reding memset(crtc, 0, sizeof(*crtc)); 723f453ba04SDave Airlie } 724f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 725f453ba04SDave Airlie 726f453ba04SDave Airlie /** 727db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 728db5f7a6eSRussell King * @crtc: CRTC to find index for 729db5f7a6eSRussell King * 730db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 731db5f7a6eSRussell King * device's list of CRTCs. 732db5f7a6eSRussell King */ 733db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 734db5f7a6eSRussell King { 735db5f7a6eSRussell King unsigned int index = 0; 736db5f7a6eSRussell King struct drm_crtc *tmp; 737db5f7a6eSRussell King 738db5f7a6eSRussell King list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 739db5f7a6eSRussell King if (tmp == crtc) 740db5f7a6eSRussell King return index; 741db5f7a6eSRussell King 742db5f7a6eSRussell King index++; 743db5f7a6eSRussell King } 744db5f7a6eSRussell King 745db5f7a6eSRussell King BUG(); 746db5f7a6eSRussell King } 747db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 748db5f7a6eSRussell King 74986f422d5SLespiau, Damien /* 750f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 751f453ba04SDave Airlie * @connector: connector list to modify 752f453ba04SDave Airlie * @mode: mode to remove 753f453ba04SDave Airlie * 754f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 755f453ba04SDave Airlie */ 75686f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 757f453ba04SDave Airlie struct drm_display_mode *mode) 758f453ba04SDave Airlie { 759f453ba04SDave Airlie list_del(&mode->head); 760554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 761f453ba04SDave Airlie } 762f453ba04SDave Airlie 763f453ba04SDave Airlie /** 764b5571e9dSBoris Brezillon * drm_display_info_set_bus_formats - set the supported bus formats 765b5571e9dSBoris Brezillon * @info: display info to store bus formats in 766e37bfa1aSBoris Brezillon * @formats: array containing the supported bus formats 767e37bfa1aSBoris Brezillon * @num_formats: the number of entries in the fmts array 768b5571e9dSBoris Brezillon * 769b5571e9dSBoris Brezillon * Store the supported bus formats in display info structure. 770b5571e9dSBoris Brezillon * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for 771b5571e9dSBoris Brezillon * a full list of available formats. 772b5571e9dSBoris Brezillon */ 773b5571e9dSBoris Brezillon int drm_display_info_set_bus_formats(struct drm_display_info *info, 774b5571e9dSBoris Brezillon const u32 *formats, 775b5571e9dSBoris Brezillon unsigned int num_formats) 776b5571e9dSBoris Brezillon { 777b5571e9dSBoris Brezillon u32 *fmts = NULL; 778b5571e9dSBoris Brezillon 779b5571e9dSBoris Brezillon if (!formats && num_formats) 780b5571e9dSBoris Brezillon return -EINVAL; 781b5571e9dSBoris Brezillon 782b5571e9dSBoris Brezillon if (formats && num_formats) { 783b5571e9dSBoris Brezillon fmts = kmemdup(formats, sizeof(*formats) * num_formats, 784b5571e9dSBoris Brezillon GFP_KERNEL); 785944579c5SDan Carpenter if (!fmts) 786b5571e9dSBoris Brezillon return -ENOMEM; 787b5571e9dSBoris Brezillon } 788b5571e9dSBoris Brezillon 789b5571e9dSBoris Brezillon kfree(info->bus_formats); 790b5571e9dSBoris Brezillon info->bus_formats = fmts; 791b5571e9dSBoris Brezillon info->num_bus_formats = num_formats; 792b5571e9dSBoris Brezillon 793b5571e9dSBoris Brezillon return 0; 794b5571e9dSBoris Brezillon } 795b5571e9dSBoris Brezillon EXPORT_SYMBOL(drm_display_info_set_bus_formats); 796b5571e9dSBoris Brezillon 797b5571e9dSBoris Brezillon /** 798eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 799eaf99c74SChris Wilson * @connector: connector to quwery 800eaf99c74SChris Wilson * 801eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 802eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 803eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 804eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 805eaf99c74SChris Wilson * setup. 806eaf99c74SChris Wilson */ 807eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 808eaf99c74SChris Wilson { 809eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 810eaf99c74SChris Wilson char *option = NULL; 811eaf99c74SChris Wilson 812eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 813eaf99c74SChris Wilson return; 814eaf99c74SChris Wilson 815eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 816eaf99c74SChris Wilson connector, 817eaf99c74SChris Wilson mode)) 818eaf99c74SChris Wilson return; 819eaf99c74SChris Wilson 820eaf99c74SChris Wilson if (mode->force) { 821eaf99c74SChris Wilson const char *s; 822eaf99c74SChris Wilson 823eaf99c74SChris Wilson switch (mode->force) { 824eaf99c74SChris Wilson case DRM_FORCE_OFF: 825eaf99c74SChris Wilson s = "OFF"; 826eaf99c74SChris Wilson break; 827eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 828eaf99c74SChris Wilson s = "ON - dig"; 829eaf99c74SChris Wilson break; 830eaf99c74SChris Wilson default: 831eaf99c74SChris Wilson case DRM_FORCE_ON: 832eaf99c74SChris Wilson s = "ON"; 833eaf99c74SChris Wilson break; 834eaf99c74SChris Wilson } 835eaf99c74SChris Wilson 836eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 837eaf99c74SChris Wilson connector->force = mode->force; 838eaf99c74SChris Wilson } 839eaf99c74SChris Wilson 840eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 841eaf99c74SChris Wilson connector->name, 842eaf99c74SChris Wilson mode->xres, mode->yres, 843eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 844eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 845eaf99c74SChris Wilson mode->margins ? " with margins" : "", 846eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 847eaf99c74SChris Wilson } 848eaf99c74SChris Wilson 849eaf99c74SChris Wilson /** 850f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 851f453ba04SDave Airlie * @dev: DRM device 852f453ba04SDave Airlie * @connector: the connector to init 853f453ba04SDave Airlie * @funcs: callbacks for this connector 854065a50edSDaniel Vetter * @connector_type: user visible type of the connector 855f453ba04SDave Airlie * 856f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 857f453ba04SDave Airlie * subclassed as part of driver connector objects. 8586bfc56aaSVille Syrjälä * 859c8e32cc1SDaniel Vetter * Returns: 8606bfc56aaSVille Syrjälä * Zero on success, error code on failure. 861f453ba04SDave Airlie */ 8626bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 863f453ba04SDave Airlie struct drm_connector *connector, 864f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 865f453ba04SDave Airlie int connector_type) 866f453ba04SDave Airlie { 867ae16c597SRob Clark struct drm_mode_config *config = &dev->mode_config; 8686bfc56aaSVille Syrjälä int ret; 869b21e3afeSIlia Mirkin struct ida *connector_ida = 870b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 8716bfc56aaSVille Syrjälä 87284849903SDaniel Vetter drm_modeset_lock_all(dev); 873f453ba04SDave Airlie 8742ee39452SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); 8756bfc56aaSVille Syrjälä if (ret) 8762abdd313SJani Nikula goto out_unlock; 8776bfc56aaSVille Syrjälä 8787e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 879f453ba04SDave Airlie connector->dev = dev; 880f453ba04SDave Airlie connector->funcs = funcs; 881f453ba04SDave Airlie connector->connector_type = connector_type; 882f453ba04SDave Airlie connector->connector_type_id = 883b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 884b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 885b21e3afeSIlia Mirkin ret = connector->connector_type_id; 8862abdd313SJani Nikula goto out_put; 887b21e3afeSIlia Mirkin } 8882abdd313SJani Nikula connector->name = 8892abdd313SJani Nikula kasprintf(GFP_KERNEL, "%s-%d", 8902abdd313SJani Nikula drm_connector_enum_list[connector_type].name, 8912abdd313SJani Nikula connector->connector_type_id); 8922abdd313SJani Nikula if (!connector->name) { 8932abdd313SJani Nikula ret = -ENOMEM; 8942abdd313SJani Nikula goto out_put; 8952abdd313SJani Nikula } 8962abdd313SJani Nikula 897f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 898f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 899f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 9005e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 901f453ba04SDave Airlie 902eaf99c74SChris Wilson drm_connector_get_cmdline_mode(connector); 903eaf99c74SChris Wilson 904c7eb76f4SDaniel Vetter /* We should add connectors at the end to avoid upsetting the connector 905c7eb76f4SDaniel Vetter * index too much. */ 906ae16c597SRob Clark list_add_tail(&connector->head, &config->connector_list); 907ae16c597SRob Clark config->num_connector++; 908f453ba04SDave Airlie 909a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 91058495563SRob Clark drm_object_attach_property(&connector->base, 911ae16c597SRob Clark config->edid_property, 912a7331e5cSThomas Hellstrom 0); 913f453ba04SDave Airlie 91458495563SRob Clark drm_object_attach_property(&connector->base, 915ae16c597SRob Clark config->dpms_property, 0); 916ae16c597SRob Clark 917ae16c597SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 918ae16c597SRob Clark drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); 919ae16c597SRob Clark } 920f453ba04SDave Airlie 92130f65707SThomas Wood connector->debugfs_entry = NULL; 92230f65707SThomas Wood 9232abdd313SJani Nikula out_put: 9242abdd313SJani Nikula if (ret) 9252abdd313SJani Nikula drm_mode_object_put(dev, &connector->base); 9262abdd313SJani Nikula 9272abdd313SJani Nikula out_unlock: 92884849903SDaniel Vetter drm_modeset_unlock_all(dev); 9296bfc56aaSVille Syrjälä 9306bfc56aaSVille Syrjälä return ret; 931f453ba04SDave Airlie } 932f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 933f453ba04SDave Airlie 934f453ba04SDave Airlie /** 935f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 936f453ba04SDave Airlie * @connector: connector to cleanup 937f453ba04SDave Airlie * 938f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 939f453ba04SDave Airlie */ 940f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 941f453ba04SDave Airlie { 942f453ba04SDave Airlie struct drm_device *dev = connector->dev; 943f453ba04SDave Airlie struct drm_display_mode *mode, *t; 944f453ba04SDave Airlie 94540d9b043SDave Airlie if (connector->tile_group) { 94640d9b043SDave Airlie drm_mode_put_tile_group(dev, connector->tile_group); 94740d9b043SDave Airlie connector->tile_group = NULL; 94840d9b043SDave Airlie } 94940d9b043SDave Airlie 950f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 951f453ba04SDave Airlie drm_mode_remove(connector, mode); 952f453ba04SDave Airlie 953f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 954f453ba04SDave Airlie drm_mode_remove(connector, mode); 955f453ba04SDave Airlie 956b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 957b21e3afeSIlia Mirkin connector->connector_type_id); 958b21e3afeSIlia Mirkin 959b5571e9dSBoris Brezillon kfree(connector->display_info.bus_formats); 960f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 9612abdd313SJani Nikula kfree(connector->name); 9622abdd313SJani Nikula connector->name = NULL; 963f453ba04SDave Airlie list_del(&connector->head); 9646380c509SJoonyoung Shim dev->mode_config.num_connector--; 9653009c037SThierry Reding 9663009c037SThierry Reding WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); 9673009c037SThierry Reding if (connector->state && connector->funcs->atomic_destroy_state) 9683009c037SThierry Reding connector->funcs->atomic_destroy_state(connector, 9693009c037SThierry Reding connector->state); 970a18c0af1SThierry Reding 971a18c0af1SThierry Reding memset(connector, 0, sizeof(*connector)); 972f453ba04SDave Airlie } 973f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 974f453ba04SDave Airlie 975c8e32cc1SDaniel Vetter /** 97610f637bfSDaniel Vetter * drm_connector_index - find the index of a registered connector 97710f637bfSDaniel Vetter * @connector: connector to find index for 97810f637bfSDaniel Vetter * 97910f637bfSDaniel Vetter * Given a registered connector, return the index of that connector within a DRM 98010f637bfSDaniel Vetter * device's list of connectors. 98110f637bfSDaniel Vetter */ 98210f637bfSDaniel Vetter unsigned int drm_connector_index(struct drm_connector *connector) 98310f637bfSDaniel Vetter { 98410f637bfSDaniel Vetter unsigned int index = 0; 98510f637bfSDaniel Vetter struct drm_connector *tmp; 986c7eb76f4SDaniel Vetter struct drm_mode_config *config = &connector->dev->mode_config; 987c7eb76f4SDaniel Vetter 988c7eb76f4SDaniel Vetter WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); 98910f637bfSDaniel Vetter 99010f637bfSDaniel Vetter list_for_each_entry(tmp, &connector->dev->mode_config.connector_list, head) { 99110f637bfSDaniel Vetter if (tmp == connector) 99210f637bfSDaniel Vetter return index; 99310f637bfSDaniel Vetter 99410f637bfSDaniel Vetter index++; 99510f637bfSDaniel Vetter } 99610f637bfSDaniel Vetter 99710f637bfSDaniel Vetter BUG(); 99810f637bfSDaniel Vetter } 99910f637bfSDaniel Vetter EXPORT_SYMBOL(drm_connector_index); 100010f637bfSDaniel Vetter 100110f637bfSDaniel Vetter /** 100234ea3d38SThomas Wood * drm_connector_register - register a connector 100334ea3d38SThomas Wood * @connector: the connector to register 100434ea3d38SThomas Wood * 100534ea3d38SThomas Wood * Register userspace interfaces for a connector 100634ea3d38SThomas Wood * 100734ea3d38SThomas Wood * Returns: 100834ea3d38SThomas Wood * Zero on success, error code on failure. 100934ea3d38SThomas Wood */ 101034ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 101134ea3d38SThomas Wood { 101230f65707SThomas Wood int ret; 101330f65707SThomas Wood 10142ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 10152ee39452SDave Airlie 101630f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 101730f65707SThomas Wood if (ret) 101830f65707SThomas Wood return ret; 101930f65707SThomas Wood 102030f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 102130f65707SThomas Wood if (ret) { 102230f65707SThomas Wood drm_sysfs_connector_remove(connector); 102330f65707SThomas Wood return ret; 102430f65707SThomas Wood } 102530f65707SThomas Wood 102630f65707SThomas Wood return 0; 102734ea3d38SThomas Wood } 102834ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 102934ea3d38SThomas Wood 103034ea3d38SThomas Wood /** 103134ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 103234ea3d38SThomas Wood * @connector: the connector to unregister 103334ea3d38SThomas Wood * 103434ea3d38SThomas Wood * Unregister userspace interfaces for a connector 103534ea3d38SThomas Wood */ 103634ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 103734ea3d38SThomas Wood { 103834ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 103930f65707SThomas Wood drm_debugfs_connector_remove(connector); 104034ea3d38SThomas Wood } 104134ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 104234ea3d38SThomas Wood 104334ea3d38SThomas Wood 104434ea3d38SThomas Wood /** 1045c8e32cc1SDaniel Vetter * drm_connector_unplug_all - unregister connector userspace interfaces 1046c8e32cc1SDaniel Vetter * @dev: drm device 1047c8e32cc1SDaniel Vetter * 1048c8e32cc1SDaniel Vetter * This function unregisters all connector userspace interfaces in sysfs. Should 1049c8e32cc1SDaniel Vetter * be call when the device is disconnected, e.g. from an usb driver's 1050c8e32cc1SDaniel Vetter * ->disconnect callback. 1051c8e32cc1SDaniel Vetter */ 1052cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 1053cbc7e221SDave Airlie { 1054cbc7e221SDave Airlie struct drm_connector *connector; 1055cbc7e221SDave Airlie 1056cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 1057cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 105834ea3d38SThomas Wood drm_connector_unregister(connector); 1059cbc7e221SDave Airlie 1060cbc7e221SDave Airlie } 1061cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 1062cbc7e221SDave Airlie 1063c8e32cc1SDaniel Vetter /** 1064c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1065c8e32cc1SDaniel Vetter * @dev: drm device 1066c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1067c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1068c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 1069c8e32cc1SDaniel Vetter * 1070c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1071c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1072c8e32cc1SDaniel Vetter * 1073c8e32cc1SDaniel Vetter * Returns: 1074c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1075c8e32cc1SDaniel Vetter */ 10766bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1077f453ba04SDave Airlie struct drm_encoder *encoder, 1078f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 1079f453ba04SDave Airlie int encoder_type) 1080f453ba04SDave Airlie { 10816bfc56aaSVille Syrjälä int ret; 10826bfc56aaSVille Syrjälä 108384849903SDaniel Vetter drm_modeset_lock_all(dev); 1084f453ba04SDave Airlie 10856bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 10866bfc56aaSVille Syrjälä if (ret) 1087e5748946SJani Nikula goto out_unlock; 1088f453ba04SDave Airlie 10896bfc56aaSVille Syrjälä encoder->dev = dev; 1090f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1091f453ba04SDave Airlie encoder->funcs = funcs; 1092e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1093e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1094e5748946SJani Nikula encoder->base.id); 1095e5748946SJani Nikula if (!encoder->name) { 1096e5748946SJani Nikula ret = -ENOMEM; 1097e5748946SJani Nikula goto out_put; 1098e5748946SJani Nikula } 1099f453ba04SDave Airlie 1100f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1101f453ba04SDave Airlie dev->mode_config.num_encoder++; 1102f453ba04SDave Airlie 1103e5748946SJani Nikula out_put: 1104e5748946SJani Nikula if (ret) 1105e5748946SJani Nikula drm_mode_object_put(dev, &encoder->base); 1106e5748946SJani Nikula 1107e5748946SJani Nikula out_unlock: 110884849903SDaniel Vetter drm_modeset_unlock_all(dev); 11096bfc56aaSVille Syrjälä 11106bfc56aaSVille Syrjälä return ret; 1111f453ba04SDave Airlie } 1112f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1113f453ba04SDave Airlie 1114c8e32cc1SDaniel Vetter /** 1115c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1116c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1117c8e32cc1SDaniel Vetter * 1118c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1119c8e32cc1SDaniel Vetter */ 1120f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1121f453ba04SDave Airlie { 1122f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 11234dfd909fSThierry Reding 112484849903SDaniel Vetter drm_modeset_lock_all(dev); 1125f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 1126e5748946SJani Nikula kfree(encoder->name); 1127f453ba04SDave Airlie list_del(&encoder->head); 11286380c509SJoonyoung Shim dev->mode_config.num_encoder--; 112984849903SDaniel Vetter drm_modeset_unlock_all(dev); 1130a18c0af1SThierry Reding 1131a18c0af1SThierry Reding memset(encoder, 0, sizeof(*encoder)); 1132f453ba04SDave Airlie } 1133f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1134f453ba04SDave Airlie 113535f2c3aeSVille Syrjälä /** 1136dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 113735f2c3aeSVille Syrjälä * @dev: DRM device 113835f2c3aeSVille Syrjälä * @plane: plane object to init 113935f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 114035f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 114135f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 114235f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1143dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 114435f2c3aeSVille Syrjälä * 1145dc415ff9SMatt Roper * Initializes a plane object of type @type. 114635f2c3aeSVille Syrjälä * 1147c8e32cc1SDaniel Vetter * Returns: 114835f2c3aeSVille Syrjälä * Zero on success, error code on failure. 114935f2c3aeSVille Syrjälä */ 1150dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 11518cf5c917SJesse Barnes unsigned long possible_crtcs, 11528cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 11530a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 1154dc415ff9SMatt Roper enum drm_plane_type type) 11558cf5c917SJesse Barnes { 11566b4959f4SRob Clark struct drm_mode_config *config = &dev->mode_config; 11576bfc56aaSVille Syrjälä int ret; 11586bfc56aaSVille Syrjälä 11596bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 11606bfc56aaSVille Syrjälä if (ret) 1161baf698b0SDaniel Vetter return ret; 11626bfc56aaSVille Syrjälä 11634d02e2deSDaniel Vetter drm_modeset_lock_init(&plane->mutex); 11644d02e2deSDaniel Vetter 11654d93914aSRob Clark plane->base.properties = &plane->properties; 11668cf5c917SJesse Barnes plane->dev = dev; 11678cf5c917SJesse Barnes plane->funcs = funcs; 11682f6c5389SThierry Reding plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), 11698cf5c917SJesse Barnes GFP_KERNEL); 11708cf5c917SJesse Barnes if (!plane->format_types) { 11718cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 11728cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1173baf698b0SDaniel Vetter return -ENOMEM; 11748cf5c917SJesse Barnes } 11758cf5c917SJesse Barnes 1176308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 11778cf5c917SJesse Barnes plane->format_count = format_count; 11788cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1179dc415ff9SMatt Roper plane->type = type; 11808cf5c917SJesse Barnes 11816b4959f4SRob Clark list_add_tail(&plane->head, &config->plane_list); 11826b4959f4SRob Clark config->num_total_plane++; 1183e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 11846b4959f4SRob Clark config->num_overlay_plane++; 11858cf5c917SJesse Barnes 11869922ab5aSRob Clark drm_object_attach_property(&plane->base, 11876b4959f4SRob Clark config->plane_type_property, 11889922ab5aSRob Clark plane->type); 11899922ab5aSRob Clark 11906b4959f4SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 11916b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_fb_id, 0); 11926b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); 11936b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); 11946b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); 11956b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); 11966b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); 11976b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_x, 0); 11986b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_y, 0); 11996b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_w, 0); 12006b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_h, 0); 12016b4959f4SRob Clark } 12026b4959f4SRob Clark 1203baf698b0SDaniel Vetter return 0; 12048cf5c917SJesse Barnes } 1205dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1206dc415ff9SMatt Roper 1207dc415ff9SMatt Roper /** 1208dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1209dc415ff9SMatt Roper * @dev: DRM device 1210dc415ff9SMatt Roper * @plane: plane object to init 1211dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1212dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1213dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1214dc415ff9SMatt Roper * @format_count: number of elements in @formats 1215dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1216dc415ff9SMatt Roper * 1217dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1218dc415ff9SMatt Roper * 1219dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1220dc415ff9SMatt Roper * 1221dc415ff9SMatt Roper * Returns: 1222dc415ff9SMatt Roper * Zero on success, error code on failure. 1223dc415ff9SMatt Roper */ 1224dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1225dc415ff9SMatt Roper unsigned long possible_crtcs, 1226dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 1227dc415ff9SMatt Roper const uint32_t *formats, uint32_t format_count, 1228dc415ff9SMatt Roper bool is_primary) 1229dc415ff9SMatt Roper { 1230dc415ff9SMatt Roper enum drm_plane_type type; 1231dc415ff9SMatt Roper 1232dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1233dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1234dc415ff9SMatt Roper formats, format_count, type); 1235dc415ff9SMatt Roper } 12368cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 12378cf5c917SJesse Barnes 123835f2c3aeSVille Syrjälä /** 123935f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 124035f2c3aeSVille Syrjälä * @plane: plane to cleanup 124135f2c3aeSVille Syrjälä * 124235f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 124335f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 124435f2c3aeSVille Syrjälä * this is the responsibility of the caller. 124535f2c3aeSVille Syrjälä */ 12468cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 12478cf5c917SJesse Barnes { 12488cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 12498cf5c917SJesse Barnes 125084849903SDaniel Vetter drm_modeset_lock_all(dev); 12518cf5c917SJesse Barnes kfree(plane->format_types); 12528cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1253dc415ff9SMatt Roper 1254dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1255dc415ff9SMatt Roper 12568cf5c917SJesse Barnes list_del(&plane->head); 1257e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1258e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1259e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 126084849903SDaniel Vetter drm_modeset_unlock_all(dev); 12613009c037SThierry Reding 12623009c037SThierry Reding WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); 12633009c037SThierry Reding if (plane->state && plane->funcs->atomic_destroy_state) 12643009c037SThierry Reding plane->funcs->atomic_destroy_state(plane, plane->state); 1265a18c0af1SThierry Reding 1266a18c0af1SThierry Reding memset(plane, 0, sizeof(*plane)); 12678cf5c917SJesse Barnes } 12688cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 12698cf5c917SJesse Barnes 127035f2c3aeSVille Syrjälä /** 127110f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 127210f637bfSDaniel Vetter * @plane: plane to find index for 127310f637bfSDaniel Vetter * 127410f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 127510f637bfSDaniel Vetter * device's list of planes. 127610f637bfSDaniel Vetter */ 127710f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 127810f637bfSDaniel Vetter { 127910f637bfSDaniel Vetter unsigned int index = 0; 128010f637bfSDaniel Vetter struct drm_plane *tmp; 128110f637bfSDaniel Vetter 128210f637bfSDaniel Vetter list_for_each_entry(tmp, &plane->dev->mode_config.plane_list, head) { 128310f637bfSDaniel Vetter if (tmp == plane) 128410f637bfSDaniel Vetter return index; 128510f637bfSDaniel Vetter 128610f637bfSDaniel Vetter index++; 128710f637bfSDaniel Vetter } 128810f637bfSDaniel Vetter 128910f637bfSDaniel Vetter BUG(); 129010f637bfSDaniel Vetter } 129110f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 129210f637bfSDaniel Vetter 129310f637bfSDaniel Vetter /** 129435f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 129535f2c3aeSVille Syrjälä * @plane: plane to disable 129635f2c3aeSVille Syrjälä * 129735f2c3aeSVille Syrjälä * Forces the plane to be disabled. 129835f2c3aeSVille Syrjälä * 129935f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 130035f2c3aeSVille Syrjälä * and when restoring fbdev mode. 130135f2c3aeSVille Syrjälä */ 13029125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 13039125e618SVille Syrjälä { 13049125e618SVille Syrjälä int ret; 13059125e618SVille Syrjälä 13063d30a59bSDaniel Vetter if (!plane->fb) 13079125e618SVille Syrjälä return; 13089125e618SVille Syrjälä 13093d30a59bSDaniel Vetter plane->old_fb = plane->fb; 13109125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1311731cce48SDaniel Vetter if (ret) { 13129125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 13133d30a59bSDaniel Vetter plane->old_fb = NULL; 1314731cce48SDaniel Vetter return; 1315731cce48SDaniel Vetter } 13169125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 1317220dd2bcSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 13183d30a59bSDaniel Vetter plane->old_fb = NULL; 13199125e618SVille Syrjälä plane->fb = NULL; 13209125e618SVille Syrjälä plane->crtc = NULL; 13219125e618SVille Syrjälä } 13229125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 13239125e618SVille Syrjälä 13246b4959f4SRob Clark static int drm_mode_create_standard_properties(struct drm_device *dev) 1325f453ba04SDave Airlie { 1326356af0e1SRob Clark struct drm_property *prop; 1327f453ba04SDave Airlie 1328f453ba04SDave Airlie /* 1329f453ba04SDave Airlie * Standard properties (apply to all connectors) 1330f453ba04SDave Airlie */ 1331356af0e1SRob Clark prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1332f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1333f453ba04SDave Airlie "EDID", 0); 1334356af0e1SRob Clark if (!prop) 1335356af0e1SRob Clark return -ENOMEM; 1336356af0e1SRob Clark dev->mode_config.edid_property = prop; 1337f453ba04SDave Airlie 1338356af0e1SRob Clark prop = drm_property_create_enum(dev, 0, 13394a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 13404a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1341356af0e1SRob Clark if (!prop) 1342356af0e1SRob Clark return -ENOMEM; 1343356af0e1SRob Clark dev->mode_config.dpms_property = prop; 1344f453ba04SDave Airlie 1345356af0e1SRob Clark prop = drm_property_create(dev, 134643aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 134743aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 134843aba7ebSDave Airlie "PATH", 0); 1349356af0e1SRob Clark if (!prop) 1350356af0e1SRob Clark return -ENOMEM; 1351356af0e1SRob Clark dev->mode_config.path_property = prop; 135243aba7ebSDave Airlie 1353356af0e1SRob Clark prop = drm_property_create(dev, 13546f134d7bSDave Airlie DRM_MODE_PROP_BLOB | 13556f134d7bSDave Airlie DRM_MODE_PROP_IMMUTABLE, 13566f134d7bSDave Airlie "TILE", 0); 1357356af0e1SRob Clark if (!prop) 1358356af0e1SRob Clark return -ENOMEM; 1359356af0e1SRob Clark dev->mode_config.tile_property = prop; 13606f134d7bSDave Airlie 13616b4959f4SRob Clark prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 13629922ab5aSRob Clark "type", drm_plane_type_enum_list, 13639922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 13646b4959f4SRob Clark if (!prop) 13656b4959f4SRob Clark return -ENOMEM; 13666b4959f4SRob Clark dev->mode_config.plane_type_property = prop; 13676b4959f4SRob Clark 13686b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13696b4959f4SRob Clark "SRC_X", 0, UINT_MAX); 13706b4959f4SRob Clark if (!prop) 13716b4959f4SRob Clark return -ENOMEM; 13726b4959f4SRob Clark dev->mode_config.prop_src_x = prop; 13736b4959f4SRob Clark 13746b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13756b4959f4SRob Clark "SRC_Y", 0, UINT_MAX); 13766b4959f4SRob Clark if (!prop) 13776b4959f4SRob Clark return -ENOMEM; 13786b4959f4SRob Clark dev->mode_config.prop_src_y = prop; 13796b4959f4SRob Clark 13806b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13816b4959f4SRob Clark "SRC_W", 0, UINT_MAX); 13826b4959f4SRob Clark if (!prop) 13836b4959f4SRob Clark return -ENOMEM; 13846b4959f4SRob Clark dev->mode_config.prop_src_w = prop; 13856b4959f4SRob Clark 13866b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13876b4959f4SRob Clark "SRC_H", 0, UINT_MAX); 13886b4959f4SRob Clark if (!prop) 13896b4959f4SRob Clark return -ENOMEM; 13906b4959f4SRob Clark dev->mode_config.prop_src_h = prop; 13916b4959f4SRob Clark 13926b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 13936b4959f4SRob Clark "CRTC_X", INT_MIN, INT_MAX); 13946b4959f4SRob Clark if (!prop) 13956b4959f4SRob Clark return -ENOMEM; 13966b4959f4SRob Clark dev->mode_config.prop_crtc_x = prop; 13976b4959f4SRob Clark 13986b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 13996b4959f4SRob Clark "CRTC_Y", INT_MIN, INT_MAX); 14006b4959f4SRob Clark if (!prop) 14016b4959f4SRob Clark return -ENOMEM; 14026b4959f4SRob Clark dev->mode_config.prop_crtc_y = prop; 14036b4959f4SRob Clark 14046b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 14056b4959f4SRob Clark "CRTC_W", 0, INT_MAX); 14066b4959f4SRob Clark if (!prop) 14076b4959f4SRob Clark return -ENOMEM; 14086b4959f4SRob Clark dev->mode_config.prop_crtc_w = prop; 14096b4959f4SRob Clark 14106b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 14116b4959f4SRob Clark "CRTC_H", 0, INT_MAX); 14126b4959f4SRob Clark if (!prop) 14136b4959f4SRob Clark return -ENOMEM; 14146b4959f4SRob Clark dev->mode_config.prop_crtc_h = prop; 14156b4959f4SRob Clark 14166b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 14176b4959f4SRob Clark "FB_ID", DRM_MODE_OBJECT_FB); 14186b4959f4SRob Clark if (!prop) 14196b4959f4SRob Clark return -ENOMEM; 14206b4959f4SRob Clark dev->mode_config.prop_fb_id = prop; 14216b4959f4SRob Clark 14226b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 14236b4959f4SRob Clark "CRTC_ID", DRM_MODE_OBJECT_CRTC); 14246b4959f4SRob Clark if (!prop) 14256b4959f4SRob Clark return -ENOMEM; 14266b4959f4SRob Clark dev->mode_config.prop_crtc_id = prop; 14279922ab5aSRob Clark 1428eab3bbefSDaniel Vetter prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, 1429eab3bbefSDaniel Vetter "ACTIVE"); 1430eab3bbefSDaniel Vetter if (!prop) 1431eab3bbefSDaniel Vetter return -ENOMEM; 1432eab3bbefSDaniel Vetter dev->mode_config.prop_active = prop; 1433eab3bbefSDaniel Vetter 14349922ab5aSRob Clark return 0; 14359922ab5aSRob Clark } 14369922ab5aSRob Clark 1437f453ba04SDave Airlie /** 1438f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1439f453ba04SDave Airlie * @dev: DRM device 1440f453ba04SDave Airlie * 1441f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1442f453ba04SDave Airlie */ 1443f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1444f453ba04SDave Airlie { 1445f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1446f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1447f453ba04SDave Airlie 1448f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1449f453ba04SDave Airlie return 0; 1450f453ba04SDave Airlie 1451f453ba04SDave Airlie dvi_i_selector = 14524a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1453f453ba04SDave Airlie "select subconnector", 14544a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1455f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1456f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1457f453ba04SDave Airlie 14584a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1459f453ba04SDave Airlie "subconnector", 14604a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1461f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1462f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1463f453ba04SDave Airlie 1464f453ba04SDave Airlie return 0; 1465f453ba04SDave Airlie } 1466f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1467f453ba04SDave Airlie 1468f453ba04SDave Airlie /** 1469f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1470f453ba04SDave Airlie * @dev: DRM device 1471f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1472f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1473f453ba04SDave Airlie * 1474f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1475f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1476f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1477f453ba04SDave Airlie * this routine. 1478f453ba04SDave Airlie */ 14792f763312SThierry Reding int drm_mode_create_tv_properties(struct drm_device *dev, 14802f763312SThierry Reding unsigned int num_modes, 1481f453ba04SDave Airlie char *modes[]) 1482f453ba04SDave Airlie { 1483f453ba04SDave Airlie struct drm_property *tv_selector; 1484f453ba04SDave Airlie struct drm_property *tv_subconnector; 14852f763312SThierry Reding unsigned int i; 1486f453ba04SDave Airlie 1487f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1488f453ba04SDave Airlie return 0; 1489f453ba04SDave Airlie 1490f453ba04SDave Airlie /* 1491f453ba04SDave Airlie * Basic connector properties 1492f453ba04SDave Airlie */ 14934a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1494f453ba04SDave Airlie "select subconnector", 14954a67d391SSascha Hauer drm_tv_select_enum_list, 1496f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1497f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1498f453ba04SDave Airlie 1499f453ba04SDave Airlie tv_subconnector = 15004a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 15014a67d391SSascha Hauer "subconnector", 15024a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1503f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1504f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1505f453ba04SDave Airlie 1506f453ba04SDave Airlie /* 1507f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1508f453ba04SDave Airlie */ 1509f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1510d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1511f453ba04SDave Airlie 1512f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1513d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1514f453ba04SDave Airlie 1515f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1516d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1517f453ba04SDave Airlie 1518f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1519d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1520f453ba04SDave Airlie 1521f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1522f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1523f453ba04SDave Airlie "mode", num_modes); 1524f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1525f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1526f453ba04SDave Airlie i, modes[i]); 1527f453ba04SDave Airlie 1528b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1529d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1530b6b7902eSFrancisco Jerez 1531b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1532d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1533b6b7902eSFrancisco Jerez 1534b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1535d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1536b6b7902eSFrancisco Jerez 1537a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1538d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1539a75f0236SFrancisco Jerez 1540a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1541d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1542a75f0236SFrancisco Jerez 1543a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1544d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1545a75f0236SFrancisco Jerez 1546f453ba04SDave Airlie return 0; 1547f453ba04SDave Airlie } 1548f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1549f453ba04SDave Airlie 1550f453ba04SDave Airlie /** 1551f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1552f453ba04SDave Airlie * @dev: DRM device 1553f453ba04SDave Airlie * 1554f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1555f453ba04SDave Airlie * connectors. 1556f453ba04SDave Airlie */ 1557f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1558f453ba04SDave Airlie { 1559f453ba04SDave Airlie struct drm_property *scaling_mode; 1560f453ba04SDave Airlie 1561f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1562f453ba04SDave Airlie return 0; 1563f453ba04SDave Airlie 1564f453ba04SDave Airlie scaling_mode = 15654a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 15664a67d391SSascha Hauer drm_scaling_mode_enum_list, 1567f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1568f453ba04SDave Airlie 1569f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1570f453ba04SDave Airlie 1571f453ba04SDave Airlie return 0; 1572f453ba04SDave Airlie } 1573f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1574f453ba04SDave Airlie 1575f453ba04SDave Airlie /** 1576ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1577ff587e45SVandana Kannan * @dev: DRM device 1578ff587e45SVandana Kannan * 1579ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1580ff587e45SVandana Kannan * connectors. 1581ff587e45SVandana Kannan * 1582ff587e45SVandana Kannan * Returns: 15831a498633SDaniel Vetter * Zero on success, negative errno on failure. 1584ff587e45SVandana Kannan */ 1585ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1586ff587e45SVandana Kannan { 1587ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1588ff587e45SVandana Kannan return 0; 1589ff587e45SVandana Kannan 1590ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1591ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1592ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1593ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1594ff587e45SVandana Kannan 1595ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1596ff587e45SVandana Kannan return -ENOMEM; 1597ff587e45SVandana Kannan 1598ff587e45SVandana Kannan return 0; 1599ff587e45SVandana Kannan } 1600ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1601ff587e45SVandana Kannan 1602ff587e45SVandana Kannan /** 1603884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1604884840aaSJakob Bornecrantz * @dev: DRM device 1605884840aaSJakob Bornecrantz * 1606884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1607884840aaSJakob Bornecrantz * connectors. 1608884840aaSJakob Bornecrantz */ 1609884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1610884840aaSJakob Bornecrantz { 1611884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1612884840aaSJakob Bornecrantz 1613884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1614884840aaSJakob Bornecrantz return 0; 1615884840aaSJakob Bornecrantz 1616884840aaSJakob Bornecrantz dirty_info = 16174a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1618884840aaSJakob Bornecrantz "dirty", 16194a67d391SSascha Hauer drm_dirty_info_enum_list, 1620884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1621884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1622884840aaSJakob Bornecrantz 1623884840aaSJakob Bornecrantz return 0; 1624884840aaSJakob Bornecrantz } 1625884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1626884840aaSJakob Bornecrantz 16275bb2bbf5SDave Airlie /** 16285bb2bbf5SDave Airlie * drm_mode_create_suggested_offset_properties - create suggests offset properties 16295bb2bbf5SDave Airlie * @dev: DRM device 16305bb2bbf5SDave Airlie * 16315bb2bbf5SDave Airlie * Create the the suggested x/y offset property for connectors. 16325bb2bbf5SDave Airlie */ 16335bb2bbf5SDave Airlie int drm_mode_create_suggested_offset_properties(struct drm_device *dev) 16345bb2bbf5SDave Airlie { 16355bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) 16365bb2bbf5SDave Airlie return 0; 16375bb2bbf5SDave Airlie 16385bb2bbf5SDave Airlie dev->mode_config.suggested_x_property = 16395bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); 16405bb2bbf5SDave Airlie 16415bb2bbf5SDave Airlie dev->mode_config.suggested_y_property = 16425bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); 16435bb2bbf5SDave Airlie 16445bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property == NULL || 16455bb2bbf5SDave Airlie dev->mode_config.suggested_y_property == NULL) 16465bb2bbf5SDave Airlie return -ENOMEM; 16475bb2bbf5SDave Airlie return 0; 16485bb2bbf5SDave Airlie } 16495bb2bbf5SDave Airlie EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); 16505bb2bbf5SDave Airlie 1651ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1652f453ba04SDave Airlie { 1653f453ba04SDave Airlie uint32_t total_objects = 0; 1654f453ba04SDave Airlie 1655f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1656f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1657f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1658f453ba04SDave Airlie 1659bd3f0ff9SThierry Reding group->id_list = kcalloc(total_objects, sizeof(uint32_t), GFP_KERNEL); 1660f453ba04SDave Airlie if (!group->id_list) 1661f453ba04SDave Airlie return -ENOMEM; 1662f453ba04SDave Airlie 1663f453ba04SDave Airlie group->num_crtcs = 0; 1664f453ba04SDave Airlie group->num_connectors = 0; 1665f453ba04SDave Airlie group->num_encoders = 0; 1666f453ba04SDave Airlie return 0; 1667f453ba04SDave Airlie } 1668f453ba04SDave Airlie 1669ad222799SDave Airlie void drm_mode_group_destroy(struct drm_mode_group *group) 1670ad222799SDave Airlie { 1671ad222799SDave Airlie kfree(group->id_list); 1672ad222799SDave Airlie group->id_list = NULL; 1673ad222799SDave Airlie } 1674ad222799SDave Airlie 1675c8e32cc1SDaniel Vetter /* 1676c8e32cc1SDaniel Vetter * NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is 1677c8e32cc1SDaniel Vetter * the drm core's responsibility to set up mode control groups. 1678c8e32cc1SDaniel Vetter */ 1679f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1680f453ba04SDave Airlie struct drm_mode_group *group) 1681f453ba04SDave Airlie { 1682f453ba04SDave Airlie struct drm_crtc *crtc; 1683f453ba04SDave Airlie struct drm_encoder *encoder; 1684f453ba04SDave Airlie struct drm_connector *connector; 1685f453ba04SDave Airlie int ret; 1686f453ba04SDave Airlie 16870cc0b223SThierry Reding ret = drm_mode_group_init(dev, group); 16880cc0b223SThierry Reding if (ret) 1689f453ba04SDave Airlie return ret; 1690f453ba04SDave Airlie 1691f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1692f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1693f453ba04SDave Airlie 1694f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1695f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1696f453ba04SDave Airlie encoder->base.id; 1697f453ba04SDave Airlie 1698f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1699f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1700f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1701f453ba04SDave Airlie 1702f453ba04SDave Airlie return 0; 1703f453ba04SDave Airlie } 17049c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1705f453ba04SDave Airlie 17062390cd11SDave Airlie void drm_reinit_primary_mode_group(struct drm_device *dev) 17072390cd11SDave Airlie { 17082390cd11SDave Airlie drm_modeset_lock_all(dev); 17092390cd11SDave Airlie drm_mode_group_destroy(&dev->primary->mode_group); 17102390cd11SDave Airlie drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); 17112390cd11SDave Airlie drm_modeset_unlock_all(dev); 17122390cd11SDave Airlie } 17132390cd11SDave Airlie EXPORT_SYMBOL(drm_reinit_primary_mode_group); 17142390cd11SDave Airlie 1715f453ba04SDave Airlie /** 1716f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1717f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1718f453ba04SDave Airlie * @in: drm_display_mode to use 1719f453ba04SDave Airlie * 1720f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1721f453ba04SDave Airlie * the user. 1722f453ba04SDave Airlie */ 172393bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 172493bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1725f453ba04SDave Airlie { 1726e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1727e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1728e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1729e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1730e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1731e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1732e36fae38SVille Syrjälä 1733f453ba04SDave Airlie out->clock = in->clock; 1734f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1735f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1736f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1737f453ba04SDave Airlie out->htotal = in->htotal; 1738f453ba04SDave Airlie out->hskew = in->hskew; 1739f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1740f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1741f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1742f453ba04SDave Airlie out->vtotal = in->vtotal; 1743f453ba04SDave Airlie out->vscan = in->vscan; 1744f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1745f453ba04SDave Airlie out->flags = in->flags; 1746f453ba04SDave Airlie out->type = in->type; 1747f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1748f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1749f453ba04SDave Airlie } 1750f453ba04SDave Airlie 1751f453ba04SDave Airlie /** 175274afee7dSMarc-André Lureau * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode 1753f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1754f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1755f453ba04SDave Airlie * 1756f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1757f453ba04SDave Airlie * the caller. 175890367bf6SVille Syrjälä * 1759c8e32cc1SDaniel Vetter * Returns: 17601a498633SDaniel Vetter * Zero on success, negative errno on failure. 1761f453ba04SDave Airlie */ 176293bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 176393bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1764f453ba04SDave Airlie { 176590367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 176690367bf6SVille Syrjälä return -ERANGE; 176790367bf6SVille Syrjälä 17685848ad40SDamien Lespiau if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) 17695848ad40SDamien Lespiau return -EINVAL; 17705848ad40SDamien Lespiau 1771f453ba04SDave Airlie out->clock = in->clock; 1772f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1773f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1774f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1775f453ba04SDave Airlie out->htotal = in->htotal; 1776f453ba04SDave Airlie out->hskew = in->hskew; 1777f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1778f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1779f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1780f453ba04SDave Airlie out->vtotal = in->vtotal; 1781f453ba04SDave Airlie out->vscan = in->vscan; 1782f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1783f453ba04SDave Airlie out->flags = in->flags; 1784f453ba04SDave Airlie out->type = in->type; 1785f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1786f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 178790367bf6SVille Syrjälä 178890367bf6SVille Syrjälä return 0; 1789f453ba04SDave Airlie } 1790f453ba04SDave Airlie 1791f453ba04SDave Airlie /** 1792f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1793065a50edSDaniel Vetter * @dev: drm device for the ioctl 1794065a50edSDaniel Vetter * @data: data pointer for the ioctl 1795065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1796f453ba04SDave Airlie * 1797f453ba04SDave Airlie * Construct a set of configuration description structures and return 1798f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1799f453ba04SDave Airlie * 1800f453ba04SDave Airlie * Called by the user via ioctl. 1801f453ba04SDave Airlie * 1802c8e32cc1SDaniel Vetter * Returns: 18031a498633SDaniel Vetter * Zero on success, negative errno on failure. 1804f453ba04SDave Airlie */ 1805f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1806f453ba04SDave Airlie struct drm_file *file_priv) 1807f453ba04SDave Airlie { 1808f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1809f453ba04SDave Airlie struct list_head *lh; 1810f453ba04SDave Airlie struct drm_framebuffer *fb; 1811f453ba04SDave Airlie struct drm_connector *connector; 1812f453ba04SDave Airlie struct drm_crtc *crtc; 1813f453ba04SDave Airlie struct drm_encoder *encoder; 1814f453ba04SDave Airlie int ret = 0; 1815f453ba04SDave Airlie int connector_count = 0; 1816f453ba04SDave Airlie int crtc_count = 0; 1817f453ba04SDave Airlie int fb_count = 0; 1818f453ba04SDave Airlie int encoder_count = 0; 1819f453ba04SDave Airlie int copied = 0, i; 1820f453ba04SDave Airlie uint32_t __user *fb_id; 1821f453ba04SDave Airlie uint32_t __user *crtc_id; 1822f453ba04SDave Airlie uint32_t __user *connector_id; 1823f453ba04SDave Airlie uint32_t __user *encoder_id; 1824f453ba04SDave Airlie struct drm_mode_group *mode_group; 1825f453ba04SDave Airlie 1826fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1827fb3b06c8SDave Airlie return -EINVAL; 1828fb3b06c8SDave Airlie 1829f453ba04SDave Airlie 18304b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1831f453ba04SDave Airlie /* 1832f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1833f453ba04SDave Airlie * by IDs in the group list for this node 1834f453ba04SDave Airlie */ 1835f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1836f453ba04SDave Airlie fb_count++; 1837f453ba04SDave Airlie 18384b096ac1SDaniel Vetter /* handle this in 4 parts */ 18394b096ac1SDaniel Vetter /* FBs */ 18404b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 18414b096ac1SDaniel Vetter copied = 0; 18424b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 18434b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 18444b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 18454b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 18464b096ac1SDaniel Vetter return -EFAULT; 18474b096ac1SDaniel Vetter } 18484b096ac1SDaniel Vetter copied++; 18494b096ac1SDaniel Vetter } 18504b096ac1SDaniel Vetter } 18514b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 18524b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 18534b096ac1SDaniel Vetter 1854fcf93f69SDaniel Vetter /* mode_config.mutex protects the connector list against e.g. DP MST 1855fcf93f69SDaniel Vetter * connector hot-adding. CRTC/Plane lists are invariant. */ 1856fcf93f69SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 185743683057SThomas Hellstrom if (!drm_is_primary_client(file_priv)) { 1858f453ba04SDave Airlie 185909f308f7SThomas Hellstrom mode_group = NULL; 1860f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1861f453ba04SDave Airlie crtc_count++; 1862f453ba04SDave Airlie 1863f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1864f453ba04SDave Airlie connector_count++; 1865f453ba04SDave Airlie 1866f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1867f453ba04SDave Airlie encoder_count++; 1868f453ba04SDave Airlie } else { 1869f453ba04SDave Airlie 187009f308f7SThomas Hellstrom mode_group = &file_priv->master->minor->mode_group; 1871f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1872f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1873f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1874f453ba04SDave Airlie } 1875f453ba04SDave Airlie 1876f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1877f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1878f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1879f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1880f453ba04SDave Airlie 1881f453ba04SDave Airlie /* CRTCs */ 1882f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1883f453ba04SDave Airlie copied = 0; 1884f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 188509f308f7SThomas Hellstrom if (!mode_group) { 1886f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1887f453ba04SDave Airlie head) { 18889440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1889f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1890f453ba04SDave Airlie ret = -EFAULT; 1891f453ba04SDave Airlie goto out; 1892f453ba04SDave Airlie } 1893f453ba04SDave Airlie copied++; 1894f453ba04SDave Airlie } 1895f453ba04SDave Airlie } else { 1896f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1897f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1898f453ba04SDave Airlie crtc_id + copied)) { 1899f453ba04SDave Airlie ret = -EFAULT; 1900f453ba04SDave Airlie goto out; 1901f453ba04SDave Airlie } 1902f453ba04SDave Airlie copied++; 1903f453ba04SDave Airlie } 1904f453ba04SDave Airlie } 1905f453ba04SDave Airlie } 1906f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1907f453ba04SDave Airlie 1908f453ba04SDave Airlie /* Encoders */ 1909f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1910f453ba04SDave Airlie copied = 0; 1911f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 191209f308f7SThomas Hellstrom if (!mode_group) { 1913f453ba04SDave Airlie list_for_each_entry(encoder, 1914f453ba04SDave Airlie &dev->mode_config.encoder_list, 1915f453ba04SDave Airlie head) { 19169440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 191783a8cfd3SJani Nikula encoder->name); 1918f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1919f453ba04SDave Airlie copied)) { 1920f453ba04SDave Airlie ret = -EFAULT; 1921f453ba04SDave Airlie goto out; 1922f453ba04SDave Airlie } 1923f453ba04SDave Airlie copied++; 1924f453ba04SDave Airlie } 1925f453ba04SDave Airlie } else { 1926f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1927f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1928f453ba04SDave Airlie encoder_id + copied)) { 1929f453ba04SDave Airlie ret = -EFAULT; 1930f453ba04SDave Airlie goto out; 1931f453ba04SDave Airlie } 1932f453ba04SDave Airlie copied++; 1933f453ba04SDave Airlie } 1934f453ba04SDave Airlie 1935f453ba04SDave Airlie } 1936f453ba04SDave Airlie } 1937f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1938f453ba04SDave Airlie 1939f453ba04SDave Airlie /* Connectors */ 1940f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1941f453ba04SDave Airlie copied = 0; 1942f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 194309f308f7SThomas Hellstrom if (!mode_group) { 1944f453ba04SDave Airlie list_for_each_entry(connector, 1945f453ba04SDave Airlie &dev->mode_config.connector_list, 1946f453ba04SDave Airlie head) { 19479440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 19489440106bSJerome Glisse connector->base.id, 194925933820SJani Nikula connector->name); 1950f453ba04SDave Airlie if (put_user(connector->base.id, 1951f453ba04SDave Airlie connector_id + copied)) { 1952f453ba04SDave Airlie ret = -EFAULT; 1953f453ba04SDave Airlie goto out; 1954f453ba04SDave Airlie } 1955f453ba04SDave Airlie copied++; 1956f453ba04SDave Airlie } 1957f453ba04SDave Airlie } else { 1958f453ba04SDave Airlie int start = mode_group->num_crtcs + 1959f453ba04SDave Airlie mode_group->num_encoders; 1960f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1961f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1962f453ba04SDave Airlie connector_id + copied)) { 1963f453ba04SDave Airlie ret = -EFAULT; 1964f453ba04SDave Airlie goto out; 1965f453ba04SDave Airlie } 1966f453ba04SDave Airlie copied++; 1967f453ba04SDave Airlie } 1968f453ba04SDave Airlie } 1969f453ba04SDave Airlie } 1970f453ba04SDave Airlie card_res->count_connectors = connector_count; 1971f453ba04SDave Airlie 19729440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1973f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1974f453ba04SDave Airlie 1975f453ba04SDave Airlie out: 1976fcf93f69SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 1977f453ba04SDave Airlie return ret; 1978f453ba04SDave Airlie } 1979f453ba04SDave Airlie 1980f453ba04SDave Airlie /** 1981f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1982065a50edSDaniel Vetter * @dev: drm device for the ioctl 1983065a50edSDaniel Vetter * @data: data pointer for the ioctl 1984065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1985f453ba04SDave Airlie * 1986f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1987f453ba04SDave Airlie * 1988f453ba04SDave Airlie * Called by the user via ioctl. 1989f453ba04SDave Airlie * 1990c8e32cc1SDaniel Vetter * Returns: 19911a498633SDaniel Vetter * Zero on success, negative errno on failure. 1992f453ba04SDave Airlie */ 1993f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1994f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1995f453ba04SDave Airlie { 1996f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1997f453ba04SDave Airlie struct drm_crtc *crtc; 1998f453ba04SDave Airlie 1999fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2000fb3b06c8SDave Airlie return -EINVAL; 2001fb3b06c8SDave Airlie 2002a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 2003fcf93f69SDaniel Vetter if (!crtc) 2004fcf93f69SDaniel Vetter return -ENOENT; 2005f453ba04SDave Airlie 2006fcf93f69SDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 2007f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 2008f4510a27SMatt Roper if (crtc->primary->fb) 2009f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 2010f453ba04SDave Airlie else 2011f453ba04SDave Airlie crtc_resp->fb_id = 0; 2012f453ba04SDave Airlie 201331c946e8SDaniel Vetter if (crtc->state) { 201431c946e8SDaniel Vetter crtc_resp->x = crtc->primary->state->src_x >> 16; 201531c946e8SDaniel Vetter crtc_resp->y = crtc->primary->state->src_y >> 16; 201631c946e8SDaniel Vetter if (crtc->state->enable) { 201731c946e8SDaniel Vetter drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); 201831c946e8SDaniel Vetter crtc_resp->mode_valid = 1; 2019f453ba04SDave Airlie 202031c946e8SDaniel Vetter } else { 202131c946e8SDaniel Vetter crtc_resp->mode_valid = 0; 202231c946e8SDaniel Vetter } 202331c946e8SDaniel Vetter } else { 202431c946e8SDaniel Vetter crtc_resp->x = crtc->x; 202531c946e8SDaniel Vetter crtc_resp->y = crtc->y; 202631c946e8SDaniel Vetter if (crtc->enabled) { 2027f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 2028f453ba04SDave Airlie crtc_resp->mode_valid = 1; 2029f453ba04SDave Airlie 2030f453ba04SDave Airlie } else { 2031f453ba04SDave Airlie crtc_resp->mode_valid = 0; 2032f453ba04SDave Airlie } 203331c946e8SDaniel Vetter } 2034fcf93f69SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2035f453ba04SDave Airlie 2036baf698b0SDaniel Vetter return 0; 2037f453ba04SDave Airlie } 2038f453ba04SDave Airlie 203961d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 204061d8e328SDamien Lespiau const struct drm_file *file_priv) 204161d8e328SDamien Lespiau { 204261d8e328SDamien Lespiau /* 204361d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 204461d8e328SDamien Lespiau * modes, don't expose them. 204561d8e328SDamien Lespiau */ 204661d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 204761d8e328SDamien Lespiau return false; 204861d8e328SDamien Lespiau 204961d8e328SDamien Lespiau return true; 205061d8e328SDamien Lespiau } 205161d8e328SDamien Lespiau 2052abd69c55SDaniel Vetter static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) 2053abd69c55SDaniel Vetter { 2054abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2055abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2056abd69c55SDaniel Vetter if (connector->state) 2057abd69c55SDaniel Vetter return connector->state->best_encoder; 2058abd69c55SDaniel Vetter return connector->encoder; 2059abd69c55SDaniel Vetter } 2060abd69c55SDaniel Vetter 206195cbf110SRob Clark /* helper for getconnector and getproperties ioctls */ 206288a48e29SRob Clark static int get_properties(struct drm_mode_object *obj, bool atomic, 206395cbf110SRob Clark uint32_t __user *prop_ptr, uint64_t __user *prop_values, 206495cbf110SRob Clark uint32_t *arg_count_props) 206595cbf110SRob Clark { 206688a48e29SRob Clark int props_count; 206788a48e29SRob Clark int i, ret, copied; 206888a48e29SRob Clark 206988a48e29SRob Clark props_count = obj->properties->count; 207088a48e29SRob Clark if (!atomic) 207188a48e29SRob Clark props_count -= obj->properties->atomic_count; 207295cbf110SRob Clark 207395cbf110SRob Clark if ((*arg_count_props >= props_count) && props_count) { 207488a48e29SRob Clark for (i = 0, copied = 0; copied < props_count; i++) { 207595cbf110SRob Clark struct drm_property *prop = obj->properties->properties[i]; 207695cbf110SRob Clark uint64_t val; 207795cbf110SRob Clark 207888a48e29SRob Clark if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) 207988a48e29SRob Clark continue; 208088a48e29SRob Clark 208195cbf110SRob Clark ret = drm_object_property_get_value(obj, prop, &val); 208295cbf110SRob Clark if (ret) 208395cbf110SRob Clark return ret; 208495cbf110SRob Clark 208595cbf110SRob Clark if (put_user(prop->base.id, prop_ptr + copied)) 208695cbf110SRob Clark return -EFAULT; 208795cbf110SRob Clark 208895cbf110SRob Clark if (put_user(val, prop_values + copied)) 208995cbf110SRob Clark return -EFAULT; 209095cbf110SRob Clark 209195cbf110SRob Clark copied++; 209295cbf110SRob Clark } 209395cbf110SRob Clark } 209495cbf110SRob Clark *arg_count_props = props_count; 209595cbf110SRob Clark 209695cbf110SRob Clark return 0; 209795cbf110SRob Clark } 209895cbf110SRob Clark 2099f453ba04SDave Airlie /** 2100f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 2101065a50edSDaniel Vetter * @dev: drm device for the ioctl 2102065a50edSDaniel Vetter * @data: data pointer for the ioctl 2103065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2104f453ba04SDave Airlie * 2105f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 2106f453ba04SDave Airlie * 2107f453ba04SDave Airlie * Called by the user via ioctl. 2108f453ba04SDave Airlie * 2109c8e32cc1SDaniel Vetter * Returns: 21101a498633SDaniel Vetter * Zero on success, negative errno on failure. 2111f453ba04SDave Airlie */ 2112f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 2113f453ba04SDave Airlie struct drm_file *file_priv) 2114f453ba04SDave Airlie { 2115f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 2116f453ba04SDave Airlie struct drm_connector *connector; 2117abd69c55SDaniel Vetter struct drm_encoder *encoder; 2118f453ba04SDave Airlie struct drm_display_mode *mode; 2119f453ba04SDave Airlie int mode_count = 0; 2120f453ba04SDave Airlie int encoders_count = 0; 2121f453ba04SDave Airlie int ret = 0; 2122f453ba04SDave Airlie int copied = 0; 2123f453ba04SDave Airlie int i; 2124f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 2125f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 2126f453ba04SDave Airlie uint32_t __user *encoder_ptr; 2127f453ba04SDave Airlie 2128fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2129fb3b06c8SDave Airlie return -EINVAL; 2130fb3b06c8SDave Airlie 2131f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 2132f453ba04SDave Airlie 21339440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 2134f453ba04SDave Airlie 21357b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 2136f453ba04SDave Airlie 2137a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 2138a2b34e22SRob Clark if (!connector) { 2139f27657f2SVille Syrjälä ret = -ENOENT; 214004bdf441STommi Rantala goto out_unlock; 2141f453ba04SDave Airlie } 2142f453ba04SDave Airlie 214301073b08SThierry Reding for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) 214401073b08SThierry Reding if (connector->encoder_ids[i] != 0) 2145f453ba04SDave Airlie encoders_count++; 2146f453ba04SDave Airlie 2147f453ba04SDave Airlie if (out_resp->count_modes == 0) { 2148f453ba04SDave Airlie connector->funcs->fill_modes(connector, 2149f453ba04SDave Airlie dev->mode_config.max_width, 2150f453ba04SDave Airlie dev->mode_config.max_height); 2151f453ba04SDave Airlie } 2152f453ba04SDave Airlie 2153f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2154f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 215561d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2156f453ba04SDave Airlie mode_count++; 2157f453ba04SDave Airlie 2158f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2159f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2160f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2161f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2162f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2163f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2164f453ba04SDave Airlie out_resp->connection = connector->status; 21652caa80e7SDaniel Vetter 21662caa80e7SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2167abd69c55SDaniel Vetter encoder = drm_connector_get_encoder(connector); 2168abd69c55SDaniel Vetter if (encoder) 2169abd69c55SDaniel Vetter out_resp->encoder_id = encoder->base.id; 2170f453ba04SDave Airlie else 2171f453ba04SDave Airlie out_resp->encoder_id = 0; 2172f453ba04SDave Airlie 2173f453ba04SDave Airlie /* 2174f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2175f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2176f453ba04SDave Airlie */ 2177f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2178f453ba04SDave Airlie copied = 0; 217981f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2180f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 218161d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 218261d8e328SDamien Lespiau continue; 218361d8e328SDamien Lespiau 2184f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 2185f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2186f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2187f453ba04SDave Airlie ret = -EFAULT; 2188f453ba04SDave Airlie goto out; 2189f453ba04SDave Airlie } 2190f453ba04SDave Airlie copied++; 2191f453ba04SDave Airlie } 2192f453ba04SDave Airlie } 2193f453ba04SDave Airlie out_resp->count_modes = mode_count; 2194f453ba04SDave Airlie 219588a48e29SRob Clark ret = get_properties(&connector->base, file_priv->atomic, 219695cbf110SRob Clark (uint32_t __user *)(unsigned long)(out_resp->props_ptr), 219795cbf110SRob Clark (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), 219895cbf110SRob Clark &out_resp->count_props); 219922b8b13bSRob Clark if (ret) 2200f453ba04SDave Airlie goto out; 2201f453ba04SDave Airlie 2202f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2203f453ba04SDave Airlie copied = 0; 220481f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2205f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2206f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2207f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2208f453ba04SDave Airlie encoder_ptr + copied)) { 2209f453ba04SDave Airlie ret = -EFAULT; 2210f453ba04SDave Airlie goto out; 2211f453ba04SDave Airlie } 2212f453ba04SDave Airlie copied++; 2213f453ba04SDave Airlie } 2214f453ba04SDave Airlie } 2215f453ba04SDave Airlie } 2216f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2217f453ba04SDave Airlie 2218f453ba04SDave Airlie out: 2219ccfc0865SRob Clark drm_modeset_unlock(&dev->mode_config.connection_mutex); 222004bdf441STommi Rantala 222104bdf441STommi Rantala out_unlock: 22227b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 22237b24056bSDaniel Vetter 2224f453ba04SDave Airlie return ret; 2225f453ba04SDave Airlie } 2226f453ba04SDave Airlie 2227abd69c55SDaniel Vetter static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) 2228abd69c55SDaniel Vetter { 2229abd69c55SDaniel Vetter struct drm_connector *connector; 2230abd69c55SDaniel Vetter struct drm_device *dev = encoder->dev; 2231abd69c55SDaniel Vetter bool uses_atomic = false; 2232abd69c55SDaniel Vetter 2233abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2234abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2235abd69c55SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2236abd69c55SDaniel Vetter if (!connector->state) 2237abd69c55SDaniel Vetter continue; 2238abd69c55SDaniel Vetter 2239abd69c55SDaniel Vetter uses_atomic = true; 2240abd69c55SDaniel Vetter 2241abd69c55SDaniel Vetter if (connector->state->best_encoder != encoder) 2242abd69c55SDaniel Vetter continue; 2243abd69c55SDaniel Vetter 2244abd69c55SDaniel Vetter return connector->state->crtc; 2245abd69c55SDaniel Vetter } 2246abd69c55SDaniel Vetter 2247abd69c55SDaniel Vetter /* Don't return stale data (e.g. pending async disable). */ 2248abd69c55SDaniel Vetter if (uses_atomic) 2249abd69c55SDaniel Vetter return NULL; 2250abd69c55SDaniel Vetter 2251abd69c55SDaniel Vetter return encoder->crtc; 2252abd69c55SDaniel Vetter } 2253abd69c55SDaniel Vetter 2254c8e32cc1SDaniel Vetter /** 2255c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2256c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2257c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2258c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2259c8e32cc1SDaniel Vetter * 2260c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2261c8e32cc1SDaniel Vetter * 2262c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2263c8e32cc1SDaniel Vetter * 2264c8e32cc1SDaniel Vetter * Returns: 22651a498633SDaniel Vetter * Zero on success, negative errno on failure. 2266c8e32cc1SDaniel Vetter */ 2267f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2268f453ba04SDave Airlie struct drm_file *file_priv) 2269f453ba04SDave Airlie { 2270f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2271f453ba04SDave Airlie struct drm_encoder *encoder; 2272abd69c55SDaniel Vetter struct drm_crtc *crtc; 2273f453ba04SDave Airlie 2274fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2275fb3b06c8SDave Airlie return -EINVAL; 2276fb3b06c8SDave Airlie 2277a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2278fcf93f69SDaniel Vetter if (!encoder) 2279fcf93f69SDaniel Vetter return -ENOENT; 2280f453ba04SDave Airlie 2281fcf93f69SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2282abd69c55SDaniel Vetter crtc = drm_encoder_get_crtc(encoder); 2283abd69c55SDaniel Vetter if (crtc) 2284abd69c55SDaniel Vetter enc_resp->crtc_id = crtc->base.id; 2285f453ba04SDave Airlie else 2286f453ba04SDave Airlie enc_resp->crtc_id = 0; 2287fcf93f69SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2288fcf93f69SDaniel Vetter 2289f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2290f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2291f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2292f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2293f453ba04SDave Airlie 2294baf698b0SDaniel Vetter return 0; 2295f453ba04SDave Airlie } 2296f453ba04SDave Airlie 2297f453ba04SDave Airlie /** 2298c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 22998cf5c917SJesse Barnes * @dev: DRM device 23008cf5c917SJesse Barnes * @data: ioctl data 23018cf5c917SJesse Barnes * @file_priv: DRM file info 23028cf5c917SJesse Barnes * 2303c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2304c8e32cc1SDaniel Vetter * 2305c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2306c8e32cc1SDaniel Vetter * 2307c8e32cc1SDaniel Vetter * Returns: 23081a498633SDaniel Vetter * Zero on success, negative errno on failure. 23098cf5c917SJesse Barnes */ 23108cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 23118cf5c917SJesse Barnes struct drm_file *file_priv) 23128cf5c917SJesse Barnes { 23138cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 23148cf5c917SJesse Barnes struct drm_mode_config *config; 23158cf5c917SJesse Barnes struct drm_plane *plane; 23168cf5c917SJesse Barnes uint32_t __user *plane_ptr; 2317fcf93f69SDaniel Vetter int copied = 0; 2318681e7ec7SMatt Roper unsigned num_planes; 23198cf5c917SJesse Barnes 23208cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23218cf5c917SJesse Barnes return -EINVAL; 23228cf5c917SJesse Barnes 23238cf5c917SJesse Barnes config = &dev->mode_config; 23248cf5c917SJesse Barnes 2325681e7ec7SMatt Roper if (file_priv->universal_planes) 2326681e7ec7SMatt Roper num_planes = config->num_total_plane; 2327681e7ec7SMatt Roper else 2328681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2329681e7ec7SMatt Roper 23308cf5c917SJesse Barnes /* 23318cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 23328cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 23338cf5c917SJesse Barnes */ 2334681e7ec7SMatt Roper if (num_planes && 2335681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 233681f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 23378cf5c917SJesse Barnes 2338fcf93f69SDaniel Vetter /* Plane lists are invariant, no locking needed. */ 23398cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 2340681e7ec7SMatt Roper /* 2341681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2342681e7ec7SMatt Roper * capability bit, only advertise overlays. 2343681e7ec7SMatt Roper */ 2344681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2345681e7ec7SMatt Roper !file_priv->universal_planes) 2346e27dde3eSMatt Roper continue; 2347e27dde3eSMatt Roper 2348fcf93f69SDaniel Vetter if (put_user(plane->base.id, plane_ptr + copied)) 2349fcf93f69SDaniel Vetter return -EFAULT; 23508cf5c917SJesse Barnes copied++; 23518cf5c917SJesse Barnes } 23528cf5c917SJesse Barnes } 2353681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 23548cf5c917SJesse Barnes 2355fcf93f69SDaniel Vetter return 0; 23568cf5c917SJesse Barnes } 23578cf5c917SJesse Barnes 23588cf5c917SJesse Barnes /** 2359c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 23608cf5c917SJesse Barnes * @dev: DRM device 23618cf5c917SJesse Barnes * @data: ioctl data 23628cf5c917SJesse Barnes * @file_priv: DRM file info 23638cf5c917SJesse Barnes * 2364c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2365c8e32cc1SDaniel Vetter * 2366c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2367c8e32cc1SDaniel Vetter * 2368c8e32cc1SDaniel Vetter * Returns: 23691a498633SDaniel Vetter * Zero on success, negative errno on failure. 23708cf5c917SJesse Barnes */ 23718cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 23728cf5c917SJesse Barnes struct drm_file *file_priv) 23738cf5c917SJesse Barnes { 23748cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 23758cf5c917SJesse Barnes struct drm_plane *plane; 23768cf5c917SJesse Barnes uint32_t __user *format_ptr; 23778cf5c917SJesse Barnes 23788cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23798cf5c917SJesse Barnes return -EINVAL; 23808cf5c917SJesse Barnes 2381a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2382fcf93f69SDaniel Vetter if (!plane) 2383fcf93f69SDaniel Vetter return -ENOENT; 23848cf5c917SJesse Barnes 2385fcf93f69SDaniel Vetter drm_modeset_lock(&plane->mutex, NULL); 23868cf5c917SJesse Barnes if (plane->crtc) 23878cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 23888cf5c917SJesse Barnes else 23898cf5c917SJesse Barnes plane_resp->crtc_id = 0; 23908cf5c917SJesse Barnes 23918cf5c917SJesse Barnes if (plane->fb) 23928cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 23938cf5c917SJesse Barnes else 23948cf5c917SJesse Barnes plane_resp->fb_id = 0; 2395fcf93f69SDaniel Vetter drm_modeset_unlock(&plane->mutex); 23968cf5c917SJesse Barnes 23978cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 23988cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2399778ad903SVille Syrjälä plane_resp->gamma_size = 0; 24008cf5c917SJesse Barnes 24018cf5c917SJesse Barnes /* 24028cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 24038cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 24048cf5c917SJesse Barnes */ 24058cf5c917SJesse Barnes if (plane->format_count && 24068cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 240781f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 24088cf5c917SJesse Barnes if (copy_to_user(format_ptr, 24098cf5c917SJesse Barnes plane->format_types, 24108cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 2411fcf93f69SDaniel Vetter return -EFAULT; 24128cf5c917SJesse Barnes } 24138cf5c917SJesse Barnes } 24148cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 24158cf5c917SJesse Barnes 2416baf698b0SDaniel Vetter return 0; 24178cf5c917SJesse Barnes } 24188cf5c917SJesse Barnes 2419ead8610dSLaurent Pinchart /** 2420ead8610dSLaurent Pinchart * drm_plane_check_pixel_format - Check if the plane supports the pixel format 2421ead8610dSLaurent Pinchart * @plane: plane to check for format support 2422ead8610dSLaurent Pinchart * @format: the pixel format 2423ead8610dSLaurent Pinchart * 2424ead8610dSLaurent Pinchart * Returns: 2425ead8610dSLaurent Pinchart * Zero of @plane has @format in its list of supported pixel formats, -EINVAL 2426ead8610dSLaurent Pinchart * otherwise. 2427ead8610dSLaurent Pinchart */ 2428ead8610dSLaurent Pinchart int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) 2429ead8610dSLaurent Pinchart { 2430ead8610dSLaurent Pinchart unsigned int i; 2431ead8610dSLaurent Pinchart 2432ead8610dSLaurent Pinchart for (i = 0; i < plane->format_count; i++) { 2433ead8610dSLaurent Pinchart if (format == plane->format_types[i]) 2434ead8610dSLaurent Pinchart return 0; 2435ead8610dSLaurent Pinchart } 2436ead8610dSLaurent Pinchart 2437ead8610dSLaurent Pinchart return -EINVAL; 2438ead8610dSLaurent Pinchart } 2439ead8610dSLaurent Pinchart 2440b36552b3SMatt Roper /* 2441b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 24428cf5c917SJesse Barnes * 2443b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2444b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2445b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2446c8e32cc1SDaniel Vetter * 2447b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 24488cf5c917SJesse Barnes */ 2449f2b50c11SDaniel Vetter static int __setplane_internal(struct drm_plane *plane, 245017cfd91fSChris Wilson struct drm_crtc *crtc, 2451b36552b3SMatt Roper struct drm_framebuffer *fb, 2452b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2453b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2454b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2455b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2456b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 24578cf5c917SJesse Barnes { 24588cf5c917SJesse Barnes int ret = 0; 245942ef8789SVille Syrjälä unsigned int fb_width, fb_height; 24608cf5c917SJesse Barnes 24618cf5c917SJesse Barnes /* No fb means shut it down */ 2462b36552b3SMatt Roper if (!fb) { 24633d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2464731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2465731cce48SDaniel Vetter if (!ret) { 2466e5e3b44cSVille Syrjälä plane->crtc = NULL; 2467e5e3b44cSVille Syrjälä plane->fb = NULL; 2468731cce48SDaniel Vetter } else { 24693d30a59bSDaniel Vetter plane->old_fb = NULL; 2470731cce48SDaniel Vetter } 24718cf5c917SJesse Barnes goto out; 24728cf5c917SJesse Barnes } 24738cf5c917SJesse Barnes 24747f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 24757f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 24767f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 24777f994f3fSMatt Roper ret = -EINVAL; 24787f994f3fSMatt Roper goto out; 24797f994f3fSMatt Roper } 24807f994f3fSMatt Roper 248162443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 2482ead8610dSLaurent Pinchart ret = drm_plane_check_pixel_format(plane, fb->pixel_format); 2483ead8610dSLaurent Pinchart if (ret) { 24846ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 24856ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 248662443be6SVille Syrjälä goto out; 248762443be6SVille Syrjälä } 248862443be6SVille Syrjälä 24893968be94SMatt Roper /* Give drivers some help against integer overflows */ 24903968be94SMatt Roper if (crtc_w > INT_MAX || 24913968be94SMatt Roper crtc_x > INT_MAX - (int32_t) crtc_w || 24923968be94SMatt Roper crtc_h > INT_MAX || 24933968be94SMatt Roper crtc_y > INT_MAX - (int32_t) crtc_h) { 24943968be94SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 24953968be94SMatt Roper crtc_w, crtc_h, crtc_x, crtc_y); 24963968be94SMatt Roper return -ERANGE; 24973968be94SMatt Roper } 24983968be94SMatt Roper 24993968be94SMatt Roper 250042ef8789SVille Syrjälä fb_width = fb->width << 16; 250142ef8789SVille Syrjälä fb_height = fb->height << 16; 250242ef8789SVille Syrjälä 250342ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2504b36552b3SMatt Roper if (src_w > fb_width || 2505b36552b3SMatt Roper src_x > fb_width - src_w || 2506b36552b3SMatt Roper src_h > fb_height || 2507b36552b3SMatt Roper src_y > fb_height - src_h) { 250842ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 250942ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2510b36552b3SMatt Roper src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2511b36552b3SMatt Roper src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2512b36552b3SMatt Roper src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2513b36552b3SMatt Roper src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 251442ef8789SVille Syrjälä ret = -ENOSPC; 251542ef8789SVille Syrjälä goto out; 251642ef8789SVille Syrjälä } 251742ef8789SVille Syrjälä 25183d30a59bSDaniel Vetter plane->old_fb = plane->fb; 25198cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 2520b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2521b36552b3SMatt Roper src_x, src_y, src_w, src_h); 25228cf5c917SJesse Barnes if (!ret) { 25238cf5c917SJesse Barnes plane->crtc = crtc; 25248cf5c917SJesse Barnes plane->fb = fb; 252535f8badcSDaniel Vetter fb = NULL; 25260fe27f06SDaniel Vetter } else { 25273d30a59bSDaniel Vetter plane->old_fb = NULL; 25288cf5c917SJesse Barnes } 25298cf5c917SJesse Barnes 25308cf5c917SJesse Barnes out: 25316c2a7532SDaniel Vetter if (fb) 25326c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 25333d30a59bSDaniel Vetter if (plane->old_fb) 25343d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 25353d30a59bSDaniel Vetter plane->old_fb = NULL; 25368cf5c917SJesse Barnes 25378cf5c917SJesse Barnes return ret; 2538f2b50c11SDaniel Vetter } 2539b36552b3SMatt Roper 2540f2b50c11SDaniel Vetter static int setplane_internal(struct drm_plane *plane, 2541f2b50c11SDaniel Vetter struct drm_crtc *crtc, 2542f2b50c11SDaniel Vetter struct drm_framebuffer *fb, 2543f2b50c11SDaniel Vetter int32_t crtc_x, int32_t crtc_y, 2544f2b50c11SDaniel Vetter uint32_t crtc_w, uint32_t crtc_h, 2545f2b50c11SDaniel Vetter /* src_{x,y,w,h} values are 16.16 fixed point */ 2546f2b50c11SDaniel Vetter uint32_t src_x, uint32_t src_y, 2547f2b50c11SDaniel Vetter uint32_t src_w, uint32_t src_h) 2548f2b50c11SDaniel Vetter { 2549f2b50c11SDaniel Vetter int ret; 2550f2b50c11SDaniel Vetter 2551f2b50c11SDaniel Vetter drm_modeset_lock_all(plane->dev); 2552f2b50c11SDaniel Vetter ret = __setplane_internal(plane, crtc, fb, 2553f2b50c11SDaniel Vetter crtc_x, crtc_y, crtc_w, crtc_h, 2554f2b50c11SDaniel Vetter src_x, src_y, src_w, src_h); 2555f2b50c11SDaniel Vetter drm_modeset_unlock_all(plane->dev); 2556f2b50c11SDaniel Vetter 2557f2b50c11SDaniel Vetter return ret; 2558b36552b3SMatt Roper } 2559b36552b3SMatt Roper 2560b36552b3SMatt Roper /** 2561b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2562b36552b3SMatt Roper * @dev: DRM device 2563b36552b3SMatt Roper * @data: ioctl data* 2564b36552b3SMatt Roper * @file_priv: DRM file info 2565b36552b3SMatt Roper * 2566b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2567b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2568b36552b3SMatt Roper * valid crtc). 2569b36552b3SMatt Roper * 2570b36552b3SMatt Roper * Returns: 25711a498633SDaniel Vetter * Zero on success, negative errno on failure. 2572b36552b3SMatt Roper */ 2573b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2574b36552b3SMatt Roper struct drm_file *file_priv) 2575b36552b3SMatt Roper { 2576b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2577b36552b3SMatt Roper struct drm_plane *plane; 2578b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2579b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2580b36552b3SMatt Roper 2581b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2582b36552b3SMatt Roper return -EINVAL; 2583b36552b3SMatt Roper 2584b36552b3SMatt Roper /* 2585b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2586b36552b3SMatt Roper * we don't bother to call the driver. 2587b36552b3SMatt Roper */ 2588933f622fSRob Clark plane = drm_plane_find(dev, plane_req->plane_id); 2589933f622fSRob Clark if (!plane) { 2590b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2591b36552b3SMatt Roper plane_req->plane_id); 2592b36552b3SMatt Roper return -ENOENT; 2593b36552b3SMatt Roper } 2594b36552b3SMatt Roper 2595b36552b3SMatt Roper if (plane_req->fb_id) { 2596b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2597b36552b3SMatt Roper if (!fb) { 2598b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2599b36552b3SMatt Roper plane_req->fb_id); 2600b36552b3SMatt Roper return -ENOENT; 2601b36552b3SMatt Roper } 2602b36552b3SMatt Roper 2603933f622fSRob Clark crtc = drm_crtc_find(dev, plane_req->crtc_id); 2604933f622fSRob Clark if (!crtc) { 2605b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2606b36552b3SMatt Roper plane_req->crtc_id); 2607b36552b3SMatt Roper return -ENOENT; 2608b36552b3SMatt Roper } 2609b36552b3SMatt Roper } 2610b36552b3SMatt Roper 2611161d0dc1SMatt Roper /* 2612161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2613161d0dc1SMatt Roper * framebuffer depending on success. 2614161d0dc1SMatt Roper */ 261517cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2616b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2617b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2618b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2619b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 26208cf5c917SJesse Barnes } 26218cf5c917SJesse Barnes 26228cf5c917SJesse Barnes /** 26232d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 26242d13b679SDaniel Vetter * @set: modeset config to set 26252d13b679SDaniel Vetter * 26262d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 26272d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2628c8e32cc1SDaniel Vetter * 2629c8e32cc1SDaniel Vetter * Returns: 26301a498633SDaniel Vetter * Zero on success, negative errno on failure. 26312d13b679SDaniel Vetter */ 26322d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 26332d13b679SDaniel Vetter { 26342d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 26355cef29aaSDaniel Vetter struct drm_framebuffer *fb; 26365cef29aaSDaniel Vetter struct drm_crtc *tmp; 2637b0d12325SDaniel Vetter int ret; 26382d13b679SDaniel Vetter 26395cef29aaSDaniel Vetter /* 26405cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 26415cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 26425cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 26435cef29aaSDaniel Vetter */ 26445cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) 26453d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 26465cef29aaSDaniel Vetter 2647b0d12325SDaniel Vetter fb = set->fb; 2648b0d12325SDaniel Vetter 2649b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2650b0d12325SDaniel Vetter if (ret == 0) { 2651e13161afSMatt Roper crtc->primary->crtc = crtc; 26520fe27f06SDaniel Vetter crtc->primary->fb = fb; 26535cef29aaSDaniel Vetter } 2654cc85e121SDaniel Vetter 26555cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 2656f4510a27SMatt Roper if (tmp->primary->fb) 2657f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 26583d30a59bSDaniel Vetter if (tmp->primary->old_fb) 26593d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 26603d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2661b0d12325SDaniel Vetter } 2662b0d12325SDaniel Vetter 2663b0d12325SDaniel Vetter return ret; 26642d13b679SDaniel Vetter } 26652d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 26662d13b679SDaniel Vetter 2667af93629dSMatt Roper /** 2668ecb7e16bSGustavo Padovan * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode 2669ecb7e16bSGustavo Padovan * @mode: mode to query 2670ecb7e16bSGustavo Padovan * @hdisplay: hdisplay value to fill in 2671ecb7e16bSGustavo Padovan * @vdisplay: vdisplay value to fill in 2672ecb7e16bSGustavo Padovan * 2673ecb7e16bSGustavo Padovan * The vdisplay value will be doubled if the specified mode is a stereo mode of 2674ecb7e16bSGustavo Padovan * the appropriate layout. 2675ecb7e16bSGustavo Padovan */ 2676ecb7e16bSGustavo Padovan void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, 2677ecb7e16bSGustavo Padovan int *hdisplay, int *vdisplay) 2678ecb7e16bSGustavo Padovan { 2679ecb7e16bSGustavo Padovan struct drm_display_mode adjusted; 2680ecb7e16bSGustavo Padovan 2681ecb7e16bSGustavo Padovan drm_mode_copy(&adjusted, mode); 2682ecb7e16bSGustavo Padovan drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); 2683ecb7e16bSGustavo Padovan *hdisplay = adjusted.crtc_hdisplay; 2684ecb7e16bSGustavo Padovan *vdisplay = adjusted.crtc_vdisplay; 2685ecb7e16bSGustavo Padovan } 2686ecb7e16bSGustavo Padovan EXPORT_SYMBOL(drm_crtc_get_hv_timing); 2687ecb7e16bSGustavo Padovan 2688ecb7e16bSGustavo Padovan /** 2689af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2690af93629dSMatt Roper * CRTC viewport 2691af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2692af93629dSMatt Roper * @x: x panning 2693af93629dSMatt Roper * @y: y panning 2694af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2695af93629dSMatt Roper * @fb: framebuffer to check size of 2696c11e9283SDamien Lespiau */ 2697af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2698c11e9283SDamien Lespiau int x, int y, 2699c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2700c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2701c11e9283SDamien Lespiau 2702c11e9283SDamien Lespiau { 2703c11e9283SDamien Lespiau int hdisplay, vdisplay; 2704c11e9283SDamien Lespiau 2705ecb7e16bSGustavo Padovan drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); 2706a0c1bbb0SDamien Lespiau 2707c11e9283SDamien Lespiau if (crtc->invert_dimensions) 2708c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2709c11e9283SDamien Lespiau 2710c11e9283SDamien Lespiau if (hdisplay > fb->width || 2711c11e9283SDamien Lespiau vdisplay > fb->height || 2712c11e9283SDamien Lespiau x > fb->width - hdisplay || 2713c11e9283SDamien Lespiau y > fb->height - vdisplay) { 2714c11e9283SDamien Lespiau DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 2715c11e9283SDamien Lespiau fb->width, fb->height, hdisplay, vdisplay, x, y, 2716c11e9283SDamien Lespiau crtc->invert_dimensions ? " (inverted)" : ""); 2717c11e9283SDamien Lespiau return -ENOSPC; 2718c11e9283SDamien Lespiau } 2719c11e9283SDamien Lespiau 2720c11e9283SDamien Lespiau return 0; 2721c11e9283SDamien Lespiau } 2722af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2723c11e9283SDamien Lespiau 27242d13b679SDaniel Vetter /** 2725f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2726065a50edSDaniel Vetter * @dev: drm device for the ioctl 2727065a50edSDaniel Vetter * @data: data pointer for the ioctl 2728065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2729f453ba04SDave Airlie * 2730f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2731f453ba04SDave Airlie * 2732f453ba04SDave Airlie * Called by the user via ioctl. 2733f453ba04SDave Airlie * 2734c8e32cc1SDaniel Vetter * Returns: 27351a498633SDaniel Vetter * Zero on success, negative errno on failure. 2736f453ba04SDave Airlie */ 2737f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2738f453ba04SDave Airlie struct drm_file *file_priv) 2739f453ba04SDave Airlie { 2740f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2741f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 27426653cc8dSVille Syrjälä struct drm_crtc *crtc; 2743f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2744f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2745f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2746f453ba04SDave Airlie struct drm_mode_set set; 2747f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 27484a1b0714SLaurent Pinchart int ret; 2749f453ba04SDave Airlie int i; 2750f453ba04SDave Airlie 2751fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2752fb3b06c8SDave Airlie return -EINVAL; 2753fb3b06c8SDave Airlie 27541d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 27551d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 27561d97e915SVille Syrjälä return -ERANGE; 27571d97e915SVille Syrjälä 275884849903SDaniel Vetter drm_modeset_lock_all(dev); 2759a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2760a2b34e22SRob Clark if (!crtc) { 276158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2762f27657f2SVille Syrjälä ret = -ENOENT; 2763f453ba04SDave Airlie goto out; 2764f453ba04SDave Airlie } 27659440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 2766f453ba04SDave Airlie 2767f453ba04SDave Airlie if (crtc_req->mode_valid) { 2768f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2769f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2770f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2771f4510a27SMatt Roper if (!crtc->primary->fb) { 27726653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 27736653cc8dSVille Syrjälä ret = -EINVAL; 27746653cc8dSVille Syrjälä goto out; 27756653cc8dSVille Syrjälä } 2776f4510a27SMatt Roper fb = crtc->primary->fb; 2777b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2778b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2779f453ba04SDave Airlie } else { 2780786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2781786b99edSDaniel Vetter if (!fb) { 278258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 278358367ed6SZhao Yakui crtc_req->fb_id); 278437c4e705SVille Syrjälä ret = -ENOENT; 2785f453ba04SDave Airlie goto out; 2786f453ba04SDave Airlie } 2787f453ba04SDave Airlie } 2788f453ba04SDave Airlie 2789f453ba04SDave Airlie mode = drm_mode_create(dev); 2790ee34ab5bSVille Syrjälä if (!mode) { 2791ee34ab5bSVille Syrjälä ret = -ENOMEM; 2792ee34ab5bSVille Syrjälä goto out; 2793ee34ab5bSVille Syrjälä } 2794ee34ab5bSVille Syrjälä 279590367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 279690367bf6SVille Syrjälä if (ret) { 279790367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 279890367bf6SVille Syrjälä goto out; 279990367bf6SVille Syrjälä } 280090367bf6SVille Syrjälä 280123e1ce89SVille Syrjälä mode->status = drm_mode_validate_basic(mode); 280223e1ce89SVille Syrjälä if (mode->status != MODE_OK) { 280323e1ce89SVille Syrjälä ret = -EINVAL; 280423e1ce89SVille Syrjälä goto out; 280523e1ce89SVille Syrjälä } 280623e1ce89SVille Syrjälä 2807f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 28085f61bb42SVille Syrjälä 28097eb5f302SLaurent Pinchart /* 28107eb5f302SLaurent Pinchart * Check whether the primary plane supports the fb pixel format. 28117eb5f302SLaurent Pinchart * Drivers not implementing the universal planes API use a 28127eb5f302SLaurent Pinchart * default formats list provided by the DRM core which doesn't 28137eb5f302SLaurent Pinchart * match real hardware capabilities. Skip the check in that 28147eb5f302SLaurent Pinchart * case. 28157eb5f302SLaurent Pinchart */ 28167eb5f302SLaurent Pinchart if (!crtc->primary->format_default) { 28177eb5f302SLaurent Pinchart ret = drm_plane_check_pixel_format(crtc->primary, 28187eb5f302SLaurent Pinchart fb->pixel_format); 28197eb5f302SLaurent Pinchart if (ret) { 28207eb5f302SLaurent Pinchart DRM_DEBUG_KMS("Invalid pixel format %s\n", 28217eb5f302SLaurent Pinchart drm_get_format_name(fb->pixel_format)); 28227eb5f302SLaurent Pinchart goto out; 28237eb5f302SLaurent Pinchart } 28247eb5f302SLaurent Pinchart } 28257eb5f302SLaurent Pinchart 2826c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2827c11e9283SDamien Lespiau mode, fb); 2828c11e9283SDamien Lespiau if (ret) 28295f61bb42SVille Syrjälä goto out; 2830c11e9283SDamien Lespiau 2831f453ba04SDave Airlie } 2832f453ba04SDave Airlie 2833f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 283458367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2835f453ba04SDave Airlie ret = -EINVAL; 2836f453ba04SDave Airlie goto out; 2837f453ba04SDave Airlie } 2838f453ba04SDave Airlie 28397781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 284058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2841f453ba04SDave Airlie crtc_req->count_connectors); 2842f453ba04SDave Airlie ret = -EINVAL; 2843f453ba04SDave Airlie goto out; 2844f453ba04SDave Airlie } 2845f453ba04SDave Airlie 2846f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2847f453ba04SDave Airlie u32 out_id; 2848f453ba04SDave Airlie 2849f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2850f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2851f453ba04SDave Airlie ret = -EINVAL; 2852f453ba04SDave Airlie goto out; 2853f453ba04SDave Airlie } 2854f453ba04SDave Airlie 28552f6c5389SThierry Reding connector_set = kmalloc_array(crtc_req->count_connectors, 2856f453ba04SDave Airlie sizeof(struct drm_connector *), 2857f453ba04SDave Airlie GFP_KERNEL); 2858f453ba04SDave Airlie if (!connector_set) { 2859f453ba04SDave Airlie ret = -ENOMEM; 2860f453ba04SDave Airlie goto out; 2861f453ba04SDave Airlie } 2862f453ba04SDave Airlie 2863f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 286481f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2865f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2866f453ba04SDave Airlie ret = -EFAULT; 2867f453ba04SDave Airlie goto out; 2868f453ba04SDave Airlie } 2869f453ba04SDave Airlie 2870a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2871a2b34e22SRob Clark if (!connector) { 287258367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 287358367ed6SZhao Yakui out_id); 2874f27657f2SVille Syrjälä ret = -ENOENT; 2875f453ba04SDave Airlie goto out; 2876f453ba04SDave Airlie } 28779440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 28789440106bSJerome Glisse connector->base.id, 287925933820SJani Nikula connector->name); 2880f453ba04SDave Airlie 2881f453ba04SDave Airlie connector_set[i] = connector; 2882f453ba04SDave Airlie } 2883f453ba04SDave Airlie } 2884f453ba04SDave Airlie 2885f453ba04SDave Airlie set.crtc = crtc; 2886f453ba04SDave Airlie set.x = crtc_req->x; 2887f453ba04SDave Airlie set.y = crtc_req->y; 2888f453ba04SDave Airlie set.mode = mode; 2889f453ba04SDave Airlie set.connectors = connector_set; 2890f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2891f453ba04SDave Airlie set.fb = fb; 28922d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2893f453ba04SDave Airlie 2894f453ba04SDave Airlie out: 2895b0d12325SDaniel Vetter if (fb) 2896b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2897b0d12325SDaniel Vetter 2898f453ba04SDave Airlie kfree(connector_set); 2899ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 290084849903SDaniel Vetter drm_modeset_unlock_all(dev); 2901f453ba04SDave Airlie return ret; 2902f453ba04SDave Airlie } 2903f453ba04SDave Airlie 2904161d0dc1SMatt Roper /** 2905161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2906161d0dc1SMatt Roper * universal plane handler call 2907161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2908161d0dc1SMatt Roper * @req: data pointer for the ioctl 2909161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2910161d0dc1SMatt Roper * 2911161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2912161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2913161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2914161d0dc1SMatt Roper * 2915161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2916161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2917161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2918161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2919161d0dc1SMatt Roper * 2920161d0dc1SMatt Roper * Returns: 29211a498633SDaniel Vetter * Zero on success, negative errno on failure. 2922161d0dc1SMatt Roper */ 2923161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2924161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2925161d0dc1SMatt Roper struct drm_file *file_priv) 2926161d0dc1SMatt Roper { 2927161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2928161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2929161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2930161d0dc1SMatt Roper .width = req->width, 2931161d0dc1SMatt Roper .height = req->height, 2932161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2933161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2934161d0dc1SMatt Roper .handles = { req->handle }, 2935161d0dc1SMatt Roper }; 2936161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2937161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2938161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2939161d0dc1SMatt Roper int ret = 0; 2940161d0dc1SMatt Roper 2941161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2942f2b50c11SDaniel Vetter WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); 2943161d0dc1SMatt Roper 2944161d0dc1SMatt Roper /* 2945161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2946161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2947161d0dc1SMatt Roper * the reference if the plane update fails. 2948161d0dc1SMatt Roper */ 2949161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2950161d0dc1SMatt Roper if (req->handle) { 29519a6f5130SChris Wilson fb = internal_framebuffer_create(dev, &fbreq, file_priv); 2952161d0dc1SMatt Roper if (IS_ERR(fb)) { 2953161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2954161d0dc1SMatt Roper return PTR_ERR(fb); 2955161d0dc1SMatt Roper } 2956161d0dc1SMatt Roper } else { 2957161d0dc1SMatt Roper fb = NULL; 2958161d0dc1SMatt Roper } 2959161d0dc1SMatt Roper } else { 2960161d0dc1SMatt Roper fb = crtc->cursor->fb; 2961161d0dc1SMatt Roper if (fb) 2962161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2963161d0dc1SMatt Roper } 2964161d0dc1SMatt Roper 2965161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2966161d0dc1SMatt Roper crtc_x = req->x; 2967161d0dc1SMatt Roper crtc_y = req->y; 2968161d0dc1SMatt Roper } else { 2969161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2970161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 2971161d0dc1SMatt Roper } 2972161d0dc1SMatt Roper 2973161d0dc1SMatt Roper if (fb) { 2974161d0dc1SMatt Roper crtc_w = fb->width; 2975161d0dc1SMatt Roper crtc_h = fb->height; 2976161d0dc1SMatt Roper src_w = fb->width << 16; 2977161d0dc1SMatt Roper src_h = fb->height << 16; 2978161d0dc1SMatt Roper } 2979161d0dc1SMatt Roper 2980161d0dc1SMatt Roper /* 2981161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2982161d0dc1SMatt Roper * framebuffer depending on success. 2983161d0dc1SMatt Roper */ 2984f2b50c11SDaniel Vetter ret = __setplane_internal(crtc->cursor, crtc, fb, 2985161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2986161d0dc1SMatt Roper 0, 0, src_w, src_h); 2987161d0dc1SMatt Roper 2988161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 2989161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 2990161d0dc1SMatt Roper crtc->cursor_x = req->x; 2991161d0dc1SMatt Roper crtc->cursor_y = req->y; 2992161d0dc1SMatt Roper } 2993161d0dc1SMatt Roper 2994161d0dc1SMatt Roper return ret; 2995161d0dc1SMatt Roper } 2996161d0dc1SMatt Roper 29974c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 29984c813d4dSDave Airlie struct drm_mode_cursor2 *req, 29994c813d4dSDave Airlie struct drm_file *file_priv) 3000f453ba04SDave Airlie { 3001f453ba04SDave Airlie struct drm_crtc *crtc; 3002f453ba04SDave Airlie int ret = 0; 3003f453ba04SDave Airlie 3004fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3005fb3b06c8SDave Airlie return -EINVAL; 3006fb3b06c8SDave Airlie 30077c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 3008f453ba04SDave Airlie return -EINVAL; 3009f453ba04SDave Airlie 3010a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 3011a2b34e22SRob Clark if (!crtc) { 301258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 3013f27657f2SVille Syrjälä return -ENOENT; 3014f453ba04SDave Airlie } 3015f453ba04SDave Airlie 3016161d0dc1SMatt Roper /* 3017161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 3018161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 3019161d0dc1SMatt Roper */ 30204d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->cursor); 3021f2b50c11SDaniel Vetter if (crtc->cursor) { 3022f2b50c11SDaniel Vetter ret = drm_mode_cursor_universal(crtc, req, file_priv); 3023f2b50c11SDaniel Vetter goto out; 3024f2b50c11SDaniel Vetter } 3025f2b50c11SDaniel Vetter 3026f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 30274c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 3028f453ba04SDave Airlie ret = -ENXIO; 3029f453ba04SDave Airlie goto out; 3030f453ba04SDave Airlie } 3031f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 30324c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 30334c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 30344c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 30354c813d4dSDave Airlie else 3036f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 3037f453ba04SDave Airlie req->width, req->height); 3038f453ba04SDave Airlie } 3039f453ba04SDave Airlie 3040f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 3041f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 3042f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 3043f453ba04SDave Airlie } else { 3044f453ba04SDave Airlie ret = -EFAULT; 3045f453ba04SDave Airlie goto out; 3046f453ba04SDave Airlie } 3047f453ba04SDave Airlie } 3048f453ba04SDave Airlie out: 3049d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 3050dac35663SDaniel Vetter 3051f453ba04SDave Airlie return ret; 30524c813d4dSDave Airlie 30534c813d4dSDave Airlie } 3054c8e32cc1SDaniel Vetter 3055c8e32cc1SDaniel Vetter 3056c8e32cc1SDaniel Vetter /** 3057c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 3058c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3059c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3060c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3061c8e32cc1SDaniel Vetter * 3062c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 3063c8e32cc1SDaniel Vetter * 3064c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3065c8e32cc1SDaniel Vetter * 3066c8e32cc1SDaniel Vetter * Returns: 30671a498633SDaniel Vetter * Zero on success, negative errno on failure. 3068c8e32cc1SDaniel Vetter */ 30694c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 30704c813d4dSDave Airlie void *data, struct drm_file *file_priv) 30714c813d4dSDave Airlie { 30724c813d4dSDave Airlie struct drm_mode_cursor *req = data; 30734c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 30744c813d4dSDave Airlie 30754c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 30764c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 30774c813d4dSDave Airlie 30784c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 30794c813d4dSDave Airlie } 30804c813d4dSDave Airlie 3081c8e32cc1SDaniel Vetter /** 3082c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 3083c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3084c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3085c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3086c8e32cc1SDaniel Vetter * 3087c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 3088c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 3089c8e32cc1SDaniel Vetter * the hotspot of the pointer. 3090c8e32cc1SDaniel Vetter * 3091c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3092c8e32cc1SDaniel Vetter * 3093c8e32cc1SDaniel Vetter * Returns: 30941a498633SDaniel Vetter * Zero on success, negative errno on failure. 3095c8e32cc1SDaniel Vetter */ 30964c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 30974c813d4dSDave Airlie void *data, struct drm_file *file_priv) 30984c813d4dSDave Airlie { 30994c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 31004dfd909fSThierry Reding 31014c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 3102f453ba04SDave Airlie } 3103f453ba04SDave Airlie 3104c8e32cc1SDaniel Vetter /** 3105c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 3106c8e32cc1SDaniel Vetter * @bpp: bits per pixels 3107c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 3108c8e32cc1SDaniel Vetter * 3109c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 3110c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 3111c8e32cc1SDaniel Vetter */ 3112308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 3113308e5bcbSJesse Barnes { 3114308e5bcbSJesse Barnes uint32_t fmt; 3115308e5bcbSJesse Barnes 3116308e5bcbSJesse Barnes switch (bpp) { 3117308e5bcbSJesse Barnes case 8: 3118d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 3119308e5bcbSJesse Barnes break; 3120308e5bcbSJesse Barnes case 16: 3121308e5bcbSJesse Barnes if (depth == 15) 312204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 3123308e5bcbSJesse Barnes else 312404b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 3125308e5bcbSJesse Barnes break; 3126308e5bcbSJesse Barnes case 24: 312704b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 3128308e5bcbSJesse Barnes break; 3129308e5bcbSJesse Barnes case 32: 3130308e5bcbSJesse Barnes if (depth == 24) 313104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3132308e5bcbSJesse Barnes else if (depth == 30) 313304b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 3134308e5bcbSJesse Barnes else 313504b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 3136308e5bcbSJesse Barnes break; 3137308e5bcbSJesse Barnes default: 313804b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 313904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3140308e5bcbSJesse Barnes break; 3141308e5bcbSJesse Barnes } 3142308e5bcbSJesse Barnes 3143308e5bcbSJesse Barnes return fmt; 3144308e5bcbSJesse Barnes } 3145308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 3146308e5bcbSJesse Barnes 3147f453ba04SDave Airlie /** 3148f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 3149065a50edSDaniel Vetter * @dev: drm device for the ioctl 3150065a50edSDaniel Vetter * @data: data pointer for the ioctl 3151065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3152f453ba04SDave Airlie * 3153c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 3154209f5527SChuck Ebbert * original addfb ioctl which only supported RGB formats. 3155f453ba04SDave Airlie * 3156f453ba04SDave Airlie * Called by the user via ioctl. 3157f453ba04SDave Airlie * 3158c8e32cc1SDaniel Vetter * Returns: 31591a498633SDaniel Vetter * Zero on success, negative errno on failure. 3160f453ba04SDave Airlie */ 3161f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 3162f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3163f453ba04SDave Airlie { 3164308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 3165308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 3166228f2cb3SChuck Ebbert int ret; 3167308e5bcbSJesse Barnes 3168228f2cb3SChuck Ebbert /* convert to new format and call new ioctl */ 3169308e5bcbSJesse Barnes r.fb_id = or->fb_id; 3170308e5bcbSJesse Barnes r.width = or->width; 3171308e5bcbSJesse Barnes r.height = or->height; 3172308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 3173308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 3174308e5bcbSJesse Barnes r.handles[0] = or->handle; 3175308e5bcbSJesse Barnes 3176228f2cb3SChuck Ebbert ret = drm_mode_addfb2(dev, &r, file_priv); 3177228f2cb3SChuck Ebbert if (ret) 3178228f2cb3SChuck Ebbert return ret; 3179308e5bcbSJesse Barnes 3180228f2cb3SChuck Ebbert or->fb_id = r.fb_id; 31814b096ac1SDaniel Vetter 3182baf698b0SDaniel Vetter return 0; 3183308e5bcbSJesse Barnes } 3184308e5bcbSJesse Barnes 3185cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 3186935b5977SVille Syrjälä { 3187935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 3188935b5977SVille Syrjälä 3189935b5977SVille Syrjälä switch (format) { 3190935b5977SVille Syrjälä case DRM_FORMAT_C8: 3191935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 3192935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 3193935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 3194935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 3195935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 3196935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 3197935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 3198935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 3199935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 3200935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 3201935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 3202935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 3203935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3204935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3205935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3206935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3207935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3208935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3209935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3210935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3211935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3212935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3213935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3214935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3215935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3216935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3217935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3218935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3219935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3220935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3221935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3222935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3223935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3224935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3225935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3226935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3227935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3228935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3229935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3230935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3231935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3232935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3233935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3234935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3235935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3236935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3237935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3238ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3239ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3240935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3241935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3242935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3243935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3244935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3245935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3246935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3247935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3248935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3249935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3250935b5977SVille Syrjälä return 0; 3251935b5977SVille Syrjälä default: 325223c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 325323c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3254935b5977SVille Syrjälä return -EINVAL; 3255935b5977SVille Syrjälä } 3256935b5977SVille Syrjälä } 3257935b5977SVille Syrjälä 3258cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3259d1b45d5fSVille Syrjälä { 3260d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3261d1b45d5fSVille Syrjälä 3262d1b45d5fSVille Syrjälä ret = format_check(r); 3263d1b45d5fSVille Syrjälä if (ret) { 32646ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 32656ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3266d1b45d5fSVille Syrjälä return ret; 3267d1b45d5fSVille Syrjälä } 3268d1b45d5fSVille Syrjälä 3269d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3270d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3271d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3272d1b45d5fSVille Syrjälä 3273d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 3274209f5527SChuck Ebbert DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); 3275d1b45d5fSVille Syrjälä return -EINVAL; 3276d1b45d5fSVille Syrjälä } 3277d1b45d5fSVille Syrjälä 3278d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 32791aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3280d1b45d5fSVille Syrjälä return -EINVAL; 3281d1b45d5fSVille Syrjälä } 3282d1b45d5fSVille Syrjälä 3283d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3284d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3285b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3286b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3287d1b45d5fSVille Syrjälä 3288d1b45d5fSVille Syrjälä if (!r->handles[i]) { 32891aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3290d1b45d5fSVille Syrjälä return -EINVAL; 3291d1b45d5fSVille Syrjälä } 3292d1b45d5fSVille Syrjälä 3293b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3294b180b5d1SVille Syrjälä return -ERANGE; 3295b180b5d1SVille Syrjälä 3296b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3297b180b5d1SVille Syrjälä return -ERANGE; 3298b180b5d1SVille Syrjälä 3299b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 33001aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3301d1b45d5fSVille Syrjälä return -EINVAL; 3302d1b45d5fSVille Syrjälä } 3303e3eb3250SRob Clark 3304e3eb3250SRob Clark if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { 3305e3eb3250SRob Clark DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", 3306e3eb3250SRob Clark r->modifier[i], i); 3307e3eb3250SRob Clark return -EINVAL; 3308e3eb3250SRob Clark } 3309d1b45d5fSVille Syrjälä } 3310d1b45d5fSVille Syrjälä 3311d1b45d5fSVille Syrjälä return 0; 3312d1b45d5fSVille Syrjälä } 3313d1b45d5fSVille Syrjälä 33149a6f5130SChris Wilson static struct drm_framebuffer * 33159a6f5130SChris Wilson internal_framebuffer_create(struct drm_device *dev, 3316c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 3317c394c2b0SMatt Roper struct drm_file *file_priv) 3318c394c2b0SMatt Roper { 3319c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3320c394c2b0SMatt Roper struct drm_framebuffer *fb; 3321c394c2b0SMatt Roper int ret; 3322c394c2b0SMatt Roper 3323e3eb3250SRob Clark if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { 3324c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3325c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3326c394c2b0SMatt Roper } 3327c394c2b0SMatt Roper 3328c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3329c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3330c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3331c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3332c394c2b0SMatt Roper } 3333c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3334c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3335c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3336c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3337c394c2b0SMatt Roper } 3338c394c2b0SMatt Roper 3339e3eb3250SRob Clark if (r->flags & DRM_MODE_FB_MODIFIERS && 3340e3eb3250SRob Clark !dev->mode_config.allow_fb_modifiers) { 3341e3eb3250SRob Clark DRM_DEBUG_KMS("driver does not support fb modifiers\n"); 3342e3eb3250SRob Clark return ERR_PTR(-EINVAL); 3343e3eb3250SRob Clark } 3344e3eb3250SRob Clark 3345c394c2b0SMatt Roper ret = framebuffer_check(r); 3346c394c2b0SMatt Roper if (ret) 3347c394c2b0SMatt Roper return ERR_PTR(ret); 3348c394c2b0SMatt Roper 3349c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3350c394c2b0SMatt Roper if (IS_ERR(fb)) { 3351c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3352c394c2b0SMatt Roper return fb; 3353c394c2b0SMatt Roper } 3354c394c2b0SMatt Roper 3355c394c2b0SMatt Roper return fb; 3356c394c2b0SMatt Roper } 3357c394c2b0SMatt Roper 3358308e5bcbSJesse Barnes /** 3359308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3360065a50edSDaniel Vetter * @dev: drm device for the ioctl 3361065a50edSDaniel Vetter * @data: data pointer for the ioctl 3362065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3363308e5bcbSJesse Barnes * 3364c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3365c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3366c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3367308e5bcbSJesse Barnes * 3368308e5bcbSJesse Barnes * Called by the user via ioctl. 3369308e5bcbSJesse Barnes * 3370c8e32cc1SDaniel Vetter * Returns: 33711a498633SDaniel Vetter * Zero on success, negative errno on failure. 3372308e5bcbSJesse Barnes */ 3373308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3374308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3375308e5bcbSJesse Barnes { 33769a6f5130SChris Wilson struct drm_mode_fb_cmd2 *r = data; 3377f453ba04SDave Airlie struct drm_framebuffer *fb; 3378f453ba04SDave Airlie 3379fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3380fb3b06c8SDave Airlie return -EINVAL; 3381fb3b06c8SDave Airlie 33829a6f5130SChris Wilson fb = internal_framebuffer_create(dev, r, file_priv); 3383c394c2b0SMatt Roper if (IS_ERR(fb)) 33844b096ac1SDaniel Vetter return PTR_ERR(fb); 3385f453ba04SDave Airlie 33869a6f5130SChris Wilson /* Transfer ownership to the filp for reaping on close */ 33879a6f5130SChris Wilson 33889a6f5130SChris Wilson DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 33899a6f5130SChris Wilson mutex_lock(&file_priv->fbs_lock); 33909a6f5130SChris Wilson r->fb_id = fb->base.id; 33919a6f5130SChris Wilson list_add(&fb->filp_head, &file_priv->fbs); 33929a6f5130SChris Wilson mutex_unlock(&file_priv->fbs_lock); 33939a6f5130SChris Wilson 3394c394c2b0SMatt Roper return 0; 3395f453ba04SDave Airlie } 3396f453ba04SDave Airlie 3397f453ba04SDave Airlie /** 3398f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3399065a50edSDaniel Vetter * @dev: drm device for the ioctl 3400065a50edSDaniel Vetter * @data: data pointer for the ioctl 3401065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3402f453ba04SDave Airlie * 3403f453ba04SDave Airlie * Remove the FB specified by the user. 3404f453ba04SDave Airlie * 3405f453ba04SDave Airlie * Called by the user via ioctl. 3406f453ba04SDave Airlie * 3407c8e32cc1SDaniel Vetter * Returns: 34081a498633SDaniel Vetter * Zero on success, negative errno on failure. 3409f453ba04SDave Airlie */ 3410f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3411f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3412f453ba04SDave Airlie { 3413f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3414f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3415f453ba04SDave Airlie uint32_t *id = data; 3416f453ba04SDave Airlie int found = 0; 3417f453ba04SDave Airlie 3418fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3419fb3b06c8SDave Airlie return -EINVAL; 3420fb3b06c8SDave Airlie 34214b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 34222b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 34232b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 34242b677e8cSDaniel Vetter if (!fb) 34252b677e8cSDaniel Vetter goto fail_lookup; 34262b677e8cSDaniel Vetter 3427f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3428f453ba04SDave Airlie if (fb == fbl) 3429f453ba04SDave Airlie found = 1; 34302b677e8cSDaniel Vetter if (!found) 34312b677e8cSDaniel Vetter goto fail_lookup; 34322b677e8cSDaniel Vetter 34332b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 34342b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 3435f453ba04SDave Airlie 34364b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 34372b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34384b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3439f453ba04SDave Airlie 34404b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 34414b096ac1SDaniel Vetter 34422b677e8cSDaniel Vetter return 0; 34432b677e8cSDaniel Vetter 34442b677e8cSDaniel Vetter fail_lookup: 34452b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34462b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 34472b677e8cSDaniel Vetter 344837c4e705SVille Syrjälä return -ENOENT; 3449f453ba04SDave Airlie } 3450f453ba04SDave Airlie 3451f453ba04SDave Airlie /** 3452f453ba04SDave Airlie * drm_mode_getfb - get FB info 3453065a50edSDaniel Vetter * @dev: drm device for the ioctl 3454065a50edSDaniel Vetter * @data: data pointer for the ioctl 3455065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3456f453ba04SDave Airlie * 3457f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3458f453ba04SDave Airlie * 3459f453ba04SDave Airlie * Called by the user via ioctl. 3460f453ba04SDave Airlie * 3461c8e32cc1SDaniel Vetter * Returns: 34621a498633SDaniel Vetter * Zero on success, negative errno on failure. 3463f453ba04SDave Airlie */ 3464f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3465f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3466f453ba04SDave Airlie { 3467f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3468f453ba04SDave Airlie struct drm_framebuffer *fb; 346958c0dca1SDaniel Vetter int ret; 3470f453ba04SDave Airlie 3471fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3472fb3b06c8SDave Airlie return -EINVAL; 3473fb3b06c8SDave Airlie 3474786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 347558c0dca1SDaniel Vetter if (!fb) 347637c4e705SVille Syrjälä return -ENOENT; 3477f453ba04SDave Airlie 3478f453ba04SDave Airlie r->height = fb->height; 3479f453ba04SDave Airlie r->width = fb->width; 3480f453ba04SDave Airlie r->depth = fb->depth; 3481f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 348201f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3483101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 348409f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 348543683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3486101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3487101b96f3SDavid Herrmann &r->handle); 3488101b96f3SDavid Herrmann } else { 3489101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3490101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3491101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3492101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3493101b96f3SDavid Herrmann * for non-masters. */ 3494101b96f3SDavid Herrmann r->handle = 0; 3495101b96f3SDavid Herrmann ret = 0; 3496101b96f3SDavid Herrmann } 3497101b96f3SDavid Herrmann } else { 3498af26ef3bSDaniel Vetter ret = -ENODEV; 3499101b96f3SDavid Herrmann } 3500f453ba04SDave Airlie 350158c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 350258c0dca1SDaniel Vetter 3503f453ba04SDave Airlie return ret; 3504f453ba04SDave Airlie } 3505f453ba04SDave Airlie 3506c8e32cc1SDaniel Vetter /** 3507c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3508c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3509c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3510c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3511c8e32cc1SDaniel Vetter * 3512c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3513c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3514c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3515c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3516c8e32cc1SDaniel Vetter * 3517c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3518c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3519c8e32cc1SDaniel Vetter * 3520c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3521c8e32cc1SDaniel Vetter * 3522c8e32cc1SDaniel Vetter * Returns: 35231a498633SDaniel Vetter * Zero on success, negative errno on failure. 3524c8e32cc1SDaniel Vetter */ 3525884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3526884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3527884840aaSJakob Bornecrantz { 3528884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3529884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3530884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3531884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3532884840aaSJakob Bornecrantz unsigned flags; 3533884840aaSJakob Bornecrantz int num_clips; 35344a1b0714SLaurent Pinchart int ret; 3535884840aaSJakob Bornecrantz 3536fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3537fb3b06c8SDave Airlie return -EINVAL; 3538fb3b06c8SDave Airlie 3539786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 35404ccf097fSDaniel Vetter if (!fb) 354137c4e705SVille Syrjälä return -ENOENT; 3542884840aaSJakob Bornecrantz 3543884840aaSJakob Bornecrantz num_clips = r->num_clips; 354481f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3545884840aaSJakob Bornecrantz 3546884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3547884840aaSJakob Bornecrantz ret = -EINVAL; 3548884840aaSJakob Bornecrantz goto out_err1; 3549884840aaSJakob Bornecrantz } 3550884840aaSJakob Bornecrantz 3551884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3552884840aaSJakob Bornecrantz 3553884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3554884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3555884840aaSJakob Bornecrantz ret = -EINVAL; 3556884840aaSJakob Bornecrantz goto out_err1; 3557884840aaSJakob Bornecrantz } 3558884840aaSJakob Bornecrantz 3559884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3560a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3561a5cd3351SXi Wang ret = -EINVAL; 3562a5cd3351SXi Wang goto out_err1; 3563a5cd3351SXi Wang } 3564bd3f0ff9SThierry Reding clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 3565884840aaSJakob Bornecrantz if (!clips) { 3566884840aaSJakob Bornecrantz ret = -ENOMEM; 3567884840aaSJakob Bornecrantz goto out_err1; 3568884840aaSJakob Bornecrantz } 3569884840aaSJakob Bornecrantz 3570884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3571884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3572e902a358SDan Carpenter if (ret) { 3573e902a358SDan Carpenter ret = -EFAULT; 3574884840aaSJakob Bornecrantz goto out_err2; 3575884840aaSJakob Bornecrantz } 3576e902a358SDan Carpenter } 3577884840aaSJakob Bornecrantz 3578884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 357902b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 358002b00162SThomas Hellstrom clips, num_clips); 3581884840aaSJakob Bornecrantz } else { 3582884840aaSJakob Bornecrantz ret = -ENOSYS; 3583884840aaSJakob Bornecrantz } 3584884840aaSJakob Bornecrantz 3585884840aaSJakob Bornecrantz out_err2: 3586884840aaSJakob Bornecrantz kfree(clips); 3587884840aaSJakob Bornecrantz out_err1: 35884ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 35894ccf097fSDaniel Vetter 3590884840aaSJakob Bornecrantz return ret; 3591884840aaSJakob Bornecrantz } 3592884840aaSJakob Bornecrantz 3593884840aaSJakob Bornecrantz 3594f453ba04SDave Airlie /** 3595f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3596065a50edSDaniel Vetter * @priv: drm file for the ioctl 3597f453ba04SDave Airlie * 3598f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3599f453ba04SDave Airlie * 3600f453ba04SDave Airlie * Called by the user via ioctl. 3601f453ba04SDave Airlie * 3602c8e32cc1SDaniel Vetter * Returns: 36031a498633SDaniel Vetter * Zero on success, negative errno on failure. 3604f453ba04SDave Airlie */ 3605ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3606f453ba04SDave Airlie { 3607f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 3608f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3609f453ba04SDave Airlie 36101b116297SDaniel Vetter /* 36111b116297SDaniel Vetter * When the file gets released that means no one else can access the fb 3612e2db726bSMartin Peres * list any more, so no need to grab fpriv->fbs_lock. And we need to 36131b116297SDaniel Vetter * avoid upsetting lockdep since the universal cursor code adds a 36141b116297SDaniel Vetter * framebuffer while holding mutex locks. 36151b116297SDaniel Vetter * 36161b116297SDaniel Vetter * Note that a real deadlock between fpriv->fbs_lock and the modeset 36171b116297SDaniel Vetter * locks is impossible here since no one else but this function can get 36181b116297SDaniel Vetter * at it any more. 36191b116297SDaniel Vetter */ 3620f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 36212b677e8cSDaniel Vetter 36222b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 36232b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 36242b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 36252b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 36262b677e8cSDaniel Vetter 36274b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 36282b677e8cSDaniel Vetter 36292b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 3630f7eff60eSRob Clark drm_framebuffer_remove(fb); 3631f453ba04SDave Airlie } 3632f453ba04SDave Airlie } 3633f453ba04SDave Airlie 3634c8e32cc1SDaniel Vetter /** 3635c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3636c8e32cc1SDaniel Vetter * @dev: drm device 3637c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3638c8e32cc1SDaniel Vetter * @name: name of the property 3639c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3640c8e32cc1SDaniel Vetter * 3641c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3642c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3643c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3644c8e32cc1SDaniel Vetter * 36453b5b9932SDamien Lespiau * Note that the DRM core keeps a per-device list of properties and that, if 36463b5b9932SDamien Lespiau * drm_mode_config_cleanup() is called, it will destroy all properties created 36473b5b9932SDamien Lespiau * by the driver. 36483b5b9932SDamien Lespiau * 3649c8e32cc1SDaniel Vetter * Returns: 3650c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3651c8e32cc1SDaniel Vetter */ 3652f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3653f453ba04SDave Airlie const char *name, int num_values) 3654f453ba04SDave Airlie { 3655f453ba04SDave Airlie struct drm_property *property = NULL; 36566bfc56aaSVille Syrjälä int ret; 3657f453ba04SDave Airlie 3658f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3659f453ba04SDave Airlie if (!property) 3660f453ba04SDave Airlie return NULL; 3661f453ba04SDave Airlie 366298f75de4SRob Clark property->dev = dev; 366398f75de4SRob Clark 3664f453ba04SDave Airlie if (num_values) { 3665bd3f0ff9SThierry Reding property->values = kcalloc(num_values, sizeof(uint64_t), 3666bd3f0ff9SThierry Reding GFP_KERNEL); 3667f453ba04SDave Airlie if (!property->values) 3668f453ba04SDave Airlie goto fail; 3669f453ba04SDave Airlie } 3670f453ba04SDave Airlie 36716bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 36726bfc56aaSVille Syrjälä if (ret) 36736bfc56aaSVille Syrjälä goto fail; 36746bfc56aaSVille Syrjälä 3675f453ba04SDave Airlie property->flags = flags; 3676f453ba04SDave Airlie property->num_values = num_values; 36773758b341SDaniel Vetter INIT_LIST_HEAD(&property->enum_list); 3678f453ba04SDave Airlie 3679471dd2efSVinson Lee if (name) { 3680f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3681471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3682471dd2efSVinson Lee } 3683f453ba04SDave Airlie 3684f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 36855ea22f24SRob Clark 36865ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 36875ea22f24SRob Clark 3688f453ba04SDave Airlie return property; 3689f453ba04SDave Airlie fail: 36906bfc56aaSVille Syrjälä kfree(property->values); 3691f453ba04SDave Airlie kfree(property); 3692f453ba04SDave Airlie return NULL; 3693f453ba04SDave Airlie } 3694f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3695f453ba04SDave Airlie 3696c8e32cc1SDaniel Vetter /** 36972aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3698c8e32cc1SDaniel Vetter * @dev: drm device 3699c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3700c8e32cc1SDaniel Vetter * @name: name of the property 3701c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3702c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3703c8e32cc1SDaniel Vetter * 3704c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3705c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3706c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3707c8e32cc1SDaniel Vetter * 3708c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3709c8e32cc1SDaniel Vetter * properties. 3710c8e32cc1SDaniel Vetter * 3711c8e32cc1SDaniel Vetter * Returns: 3712c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3713c8e32cc1SDaniel Vetter */ 37144a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 37154a67d391SSascha Hauer const char *name, 37164a67d391SSascha Hauer const struct drm_prop_enum_list *props, 37174a67d391SSascha Hauer int num_values) 37184a67d391SSascha Hauer { 37194a67d391SSascha Hauer struct drm_property *property; 37204a67d391SSascha Hauer int i, ret; 37214a67d391SSascha Hauer 37224a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 37234a67d391SSascha Hauer 37244a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 37254a67d391SSascha Hauer if (!property) 37264a67d391SSascha Hauer return NULL; 37274a67d391SSascha Hauer 37284a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 37294a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 37304a67d391SSascha Hauer props[i].type, 37314a67d391SSascha Hauer props[i].name); 37324a67d391SSascha Hauer if (ret) { 37334a67d391SSascha Hauer drm_property_destroy(dev, property); 37344a67d391SSascha Hauer return NULL; 37354a67d391SSascha Hauer } 37364a67d391SSascha Hauer } 37374a67d391SSascha Hauer 37384a67d391SSascha Hauer return property; 37394a67d391SSascha Hauer } 37404a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 37414a67d391SSascha Hauer 3742c8e32cc1SDaniel Vetter /** 37432aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3744c8e32cc1SDaniel Vetter * @dev: drm device 3745c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3746c8e32cc1SDaniel Vetter * @name: name of the property 3747c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3748295ee853SDaniel Vetter * @num_props: size of the @props array 3749295ee853SDaniel Vetter * @supported_bits: bitmask of all supported enumeration values 3750c8e32cc1SDaniel Vetter * 3751295ee853SDaniel Vetter * This creates a new bitmask drm property which can then be attached to a drm 3752c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3753c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3754c8e32cc1SDaniel Vetter * 3755c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3756c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3757c8e32cc1SDaniel Vetter * 3758c8e32cc1SDaniel Vetter * Returns: 3759c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3760c8e32cc1SDaniel Vetter */ 376149e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 376249e27545SRob Clark int flags, const char *name, 376349e27545SRob Clark const struct drm_prop_enum_list *props, 37647689ffb3SVille Syrjälä int num_props, 37657689ffb3SVille Syrjälä uint64_t supported_bits) 376649e27545SRob Clark { 376749e27545SRob Clark struct drm_property *property; 37687689ffb3SVille Syrjälä int i, ret, index = 0; 37697689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 377049e27545SRob Clark 377149e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 377249e27545SRob Clark 377349e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 377449e27545SRob Clark if (!property) 377549e27545SRob Clark return NULL; 37767689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 37777689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 37787689ffb3SVille Syrjälä continue; 377949e27545SRob Clark 37807689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 37817689ffb3SVille Syrjälä drm_property_destroy(dev, property); 37827689ffb3SVille Syrjälä return NULL; 37837689ffb3SVille Syrjälä } 37847689ffb3SVille Syrjälä 37857689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 378649e27545SRob Clark props[i].type, 378749e27545SRob Clark props[i].name); 378849e27545SRob Clark if (ret) { 378949e27545SRob Clark drm_property_destroy(dev, property); 379049e27545SRob Clark return NULL; 379149e27545SRob Clark } 379249e27545SRob Clark } 379349e27545SRob Clark 379449e27545SRob Clark return property; 379549e27545SRob Clark } 379649e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 379749e27545SRob Clark 3798ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3799ebc44cf3SRob Clark int flags, const char *name, 3800ebc44cf3SRob Clark uint64_t min, uint64_t max) 3801ebc44cf3SRob Clark { 3802ebc44cf3SRob Clark struct drm_property *property; 3803ebc44cf3SRob Clark 3804ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3805ebc44cf3SRob Clark if (!property) 3806ebc44cf3SRob Clark return NULL; 3807ebc44cf3SRob Clark 3808ebc44cf3SRob Clark property->values[0] = min; 3809ebc44cf3SRob Clark property->values[1] = max; 3810ebc44cf3SRob Clark 3811ebc44cf3SRob Clark return property; 3812ebc44cf3SRob Clark } 3813ebc44cf3SRob Clark 3814c8e32cc1SDaniel Vetter /** 3815960cd9d4SDaniel Vetter * drm_property_create_range - create a new unsigned ranged property type 3816c8e32cc1SDaniel Vetter * @dev: drm device 3817c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3818c8e32cc1SDaniel Vetter * @name: name of the property 3819c8e32cc1SDaniel Vetter * @min: minimum value of the property 3820c8e32cc1SDaniel Vetter * @max: maximum value of the property 3821c8e32cc1SDaniel Vetter * 3822c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3823c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3824c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3825c8e32cc1SDaniel Vetter * 3826960cd9d4SDaniel Vetter * Userspace is allowed to set any unsigned integer value in the (min, max) 3827960cd9d4SDaniel Vetter * range inclusive. 3828c8e32cc1SDaniel Vetter * 3829c8e32cc1SDaniel Vetter * Returns: 3830c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3831c8e32cc1SDaniel Vetter */ 3832d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3833d9bc3c02SSascha Hauer const char *name, 3834d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3835d9bc3c02SSascha Hauer { 3836ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3837ebc44cf3SRob Clark name, min, max); 3838d9bc3c02SSascha Hauer } 3839d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3840d9bc3c02SSascha Hauer 3841960cd9d4SDaniel Vetter /** 3842960cd9d4SDaniel Vetter * drm_property_create_signed_range - create a new signed ranged property type 3843960cd9d4SDaniel Vetter * @dev: drm device 3844960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3845960cd9d4SDaniel Vetter * @name: name of the property 3846960cd9d4SDaniel Vetter * @min: minimum value of the property 3847960cd9d4SDaniel Vetter * @max: maximum value of the property 3848960cd9d4SDaniel Vetter * 3849960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3850960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3851960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3852960cd9d4SDaniel Vetter * 3853960cd9d4SDaniel Vetter * Userspace is allowed to set any signed integer value in the (min, max) 3854960cd9d4SDaniel Vetter * range inclusive. 3855960cd9d4SDaniel Vetter * 3856960cd9d4SDaniel Vetter * Returns: 3857960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3858960cd9d4SDaniel Vetter */ 3859ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3860ebc44cf3SRob Clark int flags, const char *name, 3861ebc44cf3SRob Clark int64_t min, int64_t max) 3862ebc44cf3SRob Clark { 3863ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3864ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3865ebc44cf3SRob Clark } 3866ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3867ebc44cf3SRob Clark 3868960cd9d4SDaniel Vetter /** 3869960cd9d4SDaniel Vetter * drm_property_create_object - create a new object property type 3870960cd9d4SDaniel Vetter * @dev: drm device 3871960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3872960cd9d4SDaniel Vetter * @name: name of the property 3873960cd9d4SDaniel Vetter * @type: object type from DRM_MODE_OBJECT_* defines 3874960cd9d4SDaniel Vetter * 3875960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3876960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3877960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3878960cd9d4SDaniel Vetter * 3879960cd9d4SDaniel Vetter * Userspace is only allowed to set this to any property value of the given 3880960cd9d4SDaniel Vetter * @type. Only useful for atomic properties, which is enforced. 3881960cd9d4SDaniel Vetter * 3882960cd9d4SDaniel Vetter * Returns: 3883960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3884960cd9d4SDaniel Vetter */ 388598f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 388698f75de4SRob Clark int flags, const char *name, uint32_t type) 388798f75de4SRob Clark { 388898f75de4SRob Clark struct drm_property *property; 388998f75de4SRob Clark 389098f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 389198f75de4SRob Clark 3892960cd9d4SDaniel Vetter if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) 3893960cd9d4SDaniel Vetter return NULL; 3894960cd9d4SDaniel Vetter 389598f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 389698f75de4SRob Clark if (!property) 389798f75de4SRob Clark return NULL; 389898f75de4SRob Clark 389998f75de4SRob Clark property->values[0] = type; 390098f75de4SRob Clark 390198f75de4SRob Clark return property; 390298f75de4SRob Clark } 390398f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 390498f75de4SRob Clark 3905c8e32cc1SDaniel Vetter /** 3906960cd9d4SDaniel Vetter * drm_property_create_bool - create a new boolean property type 3907960cd9d4SDaniel Vetter * @dev: drm device 3908960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3909960cd9d4SDaniel Vetter * @name: name of the property 3910960cd9d4SDaniel Vetter * 3911960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3912960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3913960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3914960cd9d4SDaniel Vetter * 3915960cd9d4SDaniel Vetter * This is implemented as a ranged property with only {0, 1} as valid values. 3916960cd9d4SDaniel Vetter * 3917960cd9d4SDaniel Vetter * Returns: 3918960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3919960cd9d4SDaniel Vetter */ 3920960cd9d4SDaniel Vetter struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, 3921960cd9d4SDaniel Vetter const char *name) 3922960cd9d4SDaniel Vetter { 3923960cd9d4SDaniel Vetter return drm_property_create_range(dev, flags, name, 0, 1); 3924960cd9d4SDaniel Vetter } 3925960cd9d4SDaniel Vetter EXPORT_SYMBOL(drm_property_create_bool); 3926960cd9d4SDaniel Vetter 3927960cd9d4SDaniel Vetter /** 3928c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3929c8e32cc1SDaniel Vetter * @property: enumeration property to change 3930c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3931c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3932c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3933c8e32cc1SDaniel Vetter * 3934c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3935c8e32cc1SDaniel Vetter * 3936c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 3937c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 3938c8e32cc1SDaniel Vetter * 3939c8e32cc1SDaniel Vetter * Returns: 3940c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3941c8e32cc1SDaniel Vetter */ 3942f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 3943f453ba04SDave Airlie uint64_t value, const char *name) 3944f453ba04SDave Airlie { 3945f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3946f453ba04SDave Airlie 39475ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 39485ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 394949e27545SRob Clark return -EINVAL; 395049e27545SRob Clark 395149e27545SRob Clark /* 395249e27545SRob Clark * Bitmask enum properties have the additional constraint of values 395349e27545SRob Clark * from 0 to 63 395449e27545SRob Clark */ 39555ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 39565ea22f24SRob Clark (value > 63)) 3957f453ba04SDave Airlie return -EINVAL; 3958f453ba04SDave Airlie 39593758b341SDaniel Vetter if (!list_empty(&property->enum_list)) { 39603758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 3961f453ba04SDave Airlie if (prop_enum->value == value) { 3962f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3963f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3964f453ba04SDave Airlie return 0; 3965f453ba04SDave Airlie } 3966f453ba04SDave Airlie } 3967f453ba04SDave Airlie } 3968f453ba04SDave Airlie 3969f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 3970f453ba04SDave Airlie if (!prop_enum) 3971f453ba04SDave Airlie return -ENOMEM; 3972f453ba04SDave Airlie 3973f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3974f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3975f453ba04SDave Airlie prop_enum->value = value; 3976f453ba04SDave Airlie 3977f453ba04SDave Airlie property->values[index] = value; 39783758b341SDaniel Vetter list_add_tail(&prop_enum->head, &property->enum_list); 3979f453ba04SDave Airlie return 0; 3980f453ba04SDave Airlie } 3981f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 3982f453ba04SDave Airlie 3983c8e32cc1SDaniel Vetter /** 3984c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 3985c8e32cc1SDaniel Vetter * @dev: drm device 3986c8e32cc1SDaniel Vetter * @property: property to destry 3987c8e32cc1SDaniel Vetter * 3988c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 3989c8e32cc1SDaniel Vetter * enumeration values. 3990c8e32cc1SDaniel Vetter */ 3991f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 3992f453ba04SDave Airlie { 3993f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 3994f453ba04SDave Airlie 39953758b341SDaniel Vetter list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { 3996f453ba04SDave Airlie list_del(&prop_enum->head); 3997f453ba04SDave Airlie kfree(prop_enum); 3998f453ba04SDave Airlie } 3999f453ba04SDave Airlie 4000f453ba04SDave Airlie if (property->num_values) 4001f453ba04SDave Airlie kfree(property->values); 4002f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 4003f453ba04SDave Airlie list_del(&property->head); 4004f453ba04SDave Airlie kfree(property); 4005f453ba04SDave Airlie } 4006f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 4007f453ba04SDave Airlie 4008c8e32cc1SDaniel Vetter /** 4009c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 4010c8e32cc1SDaniel Vetter * @obj: drm modeset object 4011c8e32cc1SDaniel Vetter * @property: property to attach 4012c8e32cc1SDaniel Vetter * @init_val: initial value of the property 4013c8e32cc1SDaniel Vetter * 4014c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 4015c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 4016c8e32cc1SDaniel Vetter * a statically sized array. 4017c8e32cc1SDaniel Vetter */ 4018c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 4019c543188aSPaulo Zanoni struct drm_property *property, 4020c543188aSPaulo Zanoni uint64_t init_val) 4021c543188aSPaulo Zanoni { 40227f88a9beSPaulo Zanoni int count = obj->properties->count; 4023c543188aSPaulo Zanoni 40247f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 40257f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 40267f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 40277f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 40287f88a9beSPaulo Zanoni obj->type); 4029c543188aSPaulo Zanoni return; 4030c543188aSPaulo Zanoni } 4031c543188aSPaulo Zanoni 4032b17cd757SRob Clark obj->properties->properties[count] = property; 40337f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 40347f88a9beSPaulo Zanoni obj->properties->count++; 403588a48e29SRob Clark if (property->flags & DRM_MODE_PROP_ATOMIC) 403688a48e29SRob Clark obj->properties->atomic_count++; 4037c543188aSPaulo Zanoni } 4038c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 4039c543188aSPaulo Zanoni 4040c8e32cc1SDaniel Vetter /** 4041c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 4042c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 4043c8e32cc1SDaniel Vetter * @property: property to set 4044c8e32cc1SDaniel Vetter * @val: value the property should be set to 4045c8e32cc1SDaniel Vetter * 4046c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 4047c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 4048c8e32cc1SDaniel Vetter * driver's ->set_property callback. 4049c8e32cc1SDaniel Vetter * 4050c8e32cc1SDaniel Vetter * Returns: 4051c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4052c8e32cc1SDaniel Vetter */ 4053c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 4054c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 4055c543188aSPaulo Zanoni { 4056c543188aSPaulo Zanoni int i; 4057c543188aSPaulo Zanoni 40587f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4059b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4060c543188aSPaulo Zanoni obj->properties->values[i] = val; 4061c543188aSPaulo Zanoni return 0; 4062c543188aSPaulo Zanoni } 4063c543188aSPaulo Zanoni } 4064c543188aSPaulo Zanoni 4065c543188aSPaulo Zanoni return -EINVAL; 4066c543188aSPaulo Zanoni } 4067c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 4068c543188aSPaulo Zanoni 4069c8e32cc1SDaniel Vetter /** 4070c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 4071c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 4072c8e32cc1SDaniel Vetter * @property: property to retrieve 4073c8e32cc1SDaniel Vetter * @val: storage for the property value 4074c8e32cc1SDaniel Vetter * 4075c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 4076c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 4077c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 4078c8e32cc1SDaniel Vetter * and property. 4079c8e32cc1SDaniel Vetter * 4080c8e32cc1SDaniel Vetter * Returns: 4081c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4082c8e32cc1SDaniel Vetter */ 4083c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 4084c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 4085c543188aSPaulo Zanoni { 4086c543188aSPaulo Zanoni int i; 4087c543188aSPaulo Zanoni 408888a48e29SRob Clark /* read-only properties bypass atomic mechanism and still store 408988a48e29SRob Clark * their value in obj->properties->values[].. mostly to avoid 409088a48e29SRob Clark * having to deal w/ EDID and similar props in atomic paths: 409188a48e29SRob Clark */ 409288a48e29SRob Clark if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && 409388a48e29SRob Clark !(property->flags & DRM_MODE_PROP_IMMUTABLE)) 409488a48e29SRob Clark return drm_atomic_get_property(obj, property, val); 409588a48e29SRob Clark 40967f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4097b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4098c543188aSPaulo Zanoni *val = obj->properties->values[i]; 4099c543188aSPaulo Zanoni return 0; 4100c543188aSPaulo Zanoni } 4101c543188aSPaulo Zanoni } 4102c543188aSPaulo Zanoni 4103c543188aSPaulo Zanoni return -EINVAL; 4104c543188aSPaulo Zanoni } 4105c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 4106c543188aSPaulo Zanoni 4107c8e32cc1SDaniel Vetter /** 41081a498633SDaniel Vetter * drm_mode_getproperty_ioctl - get the property metadata 4109c8e32cc1SDaniel Vetter * @dev: DRM device 4110c8e32cc1SDaniel Vetter * @data: ioctl data 4111c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4112c8e32cc1SDaniel Vetter * 41131a498633SDaniel Vetter * This function retrieves the metadata for a given property, like the different 41141a498633SDaniel Vetter * possible values for an enum property or the limits for a range property. 41151a498633SDaniel Vetter * 41161a498633SDaniel Vetter * Blob properties are special 4117c8e32cc1SDaniel Vetter * 4118c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4119c8e32cc1SDaniel Vetter * 4120c8e32cc1SDaniel Vetter * Returns: 41211a498633SDaniel Vetter * Zero on success, negative errno on failure. 4122c8e32cc1SDaniel Vetter */ 4123f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 4124f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4125f453ba04SDave Airlie { 4126f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 4127f453ba04SDave Airlie struct drm_property *property; 4128f453ba04SDave Airlie int enum_count = 0; 4129f453ba04SDave Airlie int value_count = 0; 4130f453ba04SDave Airlie int ret = 0, i; 4131f453ba04SDave Airlie int copied; 4132f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4133f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 4134f453ba04SDave Airlie uint64_t __user *values_ptr; 4135f453ba04SDave Airlie 4136fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4137fb3b06c8SDave Airlie return -EINVAL; 4138fb3b06c8SDave Airlie 413984849903SDaniel Vetter drm_modeset_lock_all(dev); 4140a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 4141a2b34e22SRob Clark if (!property) { 4142f27657f2SVille Syrjälä ret = -ENOENT; 4143f453ba04SDave Airlie goto done; 4144f453ba04SDave Airlie } 4145f453ba04SDave Airlie 41465ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 41475ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 41483758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) 4149f453ba04SDave Airlie enum_count++; 4150f453ba04SDave Airlie } 4151f453ba04SDave Airlie 4152f453ba04SDave Airlie value_count = property->num_values; 4153f453ba04SDave Airlie 4154f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 4155f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 4156f453ba04SDave Airlie out_resp->flags = property->flags; 4157f453ba04SDave Airlie 4158f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 415981f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 4160f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 4161f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 4162f453ba04SDave Airlie ret = -EFAULT; 4163f453ba04SDave Airlie goto done; 4164f453ba04SDave Airlie } 4165f453ba04SDave Airlie } 4166f453ba04SDave Airlie } 4167f453ba04SDave Airlie out_resp->count_values = value_count; 4168f453ba04SDave Airlie 41695ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 41705ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4171f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 4172f453ba04SDave Airlie copied = 0; 417381f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 41743758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4175f453ba04SDave Airlie 4176f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 4177f453ba04SDave Airlie ret = -EFAULT; 4178f453ba04SDave Airlie goto done; 4179f453ba04SDave Airlie } 4180f453ba04SDave Airlie 4181f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 4182f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 4183f453ba04SDave Airlie ret = -EFAULT; 4184f453ba04SDave Airlie goto done; 4185f453ba04SDave Airlie } 4186f453ba04SDave Airlie copied++; 4187f453ba04SDave Airlie } 4188f453ba04SDave Airlie } 4189f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 4190f453ba04SDave Airlie } 4191f453ba04SDave Airlie 41923758b341SDaniel Vetter /* 41933758b341SDaniel Vetter * NOTE: The idea seems to have been to use this to read all the blob 41943758b341SDaniel Vetter * property values. But nothing ever added them to the corresponding 41953758b341SDaniel Vetter * list, userspace always used the special-purpose get_blob ioctl to 41963758b341SDaniel Vetter * read the value for a blob property. It also doesn't make a lot of 41973758b341SDaniel Vetter * sense to return values here when everything else is just metadata for 41983758b341SDaniel Vetter * the property itself. 41993758b341SDaniel Vetter */ 42003758b341SDaniel Vetter if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 42013758b341SDaniel Vetter out_resp->count_enum_blobs = 0; 4202f453ba04SDave Airlie done: 420384849903SDaniel Vetter drm_modeset_unlock_all(dev); 4204f453ba04SDave Airlie return ret; 4205f453ba04SDave Airlie } 4206f453ba04SDave Airlie 42076bcacf51SDaniel Stone struct drm_property_blob * 4208ecbbe59bSThierry Reding drm_property_create_blob(struct drm_device *dev, size_t length, 420912e6cecdSThierry Reding const void *data) 4210f453ba04SDave Airlie { 4211f453ba04SDave Airlie struct drm_property_blob *blob; 42126bfc56aaSVille Syrjälä int ret; 4213f453ba04SDave Airlie 4214f453ba04SDave Airlie if (!length || !data) 4215f453ba04SDave Airlie return NULL; 4216f453ba04SDave Airlie 4217f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 4218f453ba04SDave Airlie if (!blob) 4219f453ba04SDave Airlie return NULL; 4220f453ba04SDave Airlie 4221f453ba04SDave Airlie blob->length = length; 42226bcacf51SDaniel Stone blob->dev = dev; 4223f453ba04SDave Airlie 4224f453ba04SDave Airlie memcpy(blob->data, data, length); 4225f453ba04SDave Airlie 42268fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 42278fb6e7a5SDaniel Stone 42288fb6e7a5SDaniel Stone ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 42298fb6e7a5SDaniel Stone if (ret) { 42308fb6e7a5SDaniel Stone kfree(blob); 42318fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 42328fb6e7a5SDaniel Stone return NULL; 42338fb6e7a5SDaniel Stone } 42348fb6e7a5SDaniel Stone 42356bcacf51SDaniel Stone kref_init(&blob->refcount); 42366bcacf51SDaniel Stone 4237f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 42388fb6e7a5SDaniel Stone 42398fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 42408fb6e7a5SDaniel Stone 4241f453ba04SDave Airlie return blob; 4242f453ba04SDave Airlie } 42436bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_create_blob); 4244f453ba04SDave Airlie 42456bcacf51SDaniel Stone /** 42466bcacf51SDaniel Stone * drm_property_free_blob - Blob property destructor 42476bcacf51SDaniel Stone * 42486bcacf51SDaniel Stone * Internal free function for blob properties; must not be used directly. 42496bcacf51SDaniel Stone * 42506bcacf51SDaniel Stone * @param kref Reference 42516bcacf51SDaniel Stone */ 42526bcacf51SDaniel Stone static void drm_property_free_blob(struct kref *kref) 4253f453ba04SDave Airlie { 42546bcacf51SDaniel Stone struct drm_property_blob *blob = 42556bcacf51SDaniel Stone container_of(kref, struct drm_property_blob, refcount); 42566bcacf51SDaniel Stone 42576bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&blob->dev->mode_config.blob_lock)); 42586bcacf51SDaniel Stone 4259f453ba04SDave Airlie list_del(&blob->head); 42606bcacf51SDaniel Stone drm_mode_object_put(blob->dev, &blob->base); 42618fb6e7a5SDaniel Stone 4262f453ba04SDave Airlie kfree(blob); 4263f453ba04SDave Airlie } 4264f453ba04SDave Airlie 4265c8e32cc1SDaniel Vetter /** 42666bcacf51SDaniel Stone * drm_property_unreference_blob - Unreference a blob property 42676bcacf51SDaniel Stone * 42686bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. 42696bcacf51SDaniel Stone * 42706bcacf51SDaniel Stone * @param blob Pointer to blob property 42716bcacf51SDaniel Stone */ 42726bcacf51SDaniel Stone void drm_property_unreference_blob(struct drm_property_blob *blob) 42736bcacf51SDaniel Stone { 42746bcacf51SDaniel Stone struct drm_device *dev; 42756bcacf51SDaniel Stone 42766bcacf51SDaniel Stone if (!blob) 42776bcacf51SDaniel Stone return; 42786bcacf51SDaniel Stone 42796bcacf51SDaniel Stone dev = blob->dev; 42806bcacf51SDaniel Stone 42816bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 42826bcacf51SDaniel Stone 42836bcacf51SDaniel Stone if (kref_put_mutex(&blob->refcount, drm_property_free_blob, 42846bcacf51SDaniel Stone &dev->mode_config.blob_lock)) 42856bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 42866bcacf51SDaniel Stone else 42876bcacf51SDaniel Stone might_lock(&dev->mode_config.blob_lock); 42886bcacf51SDaniel Stone 42896bcacf51SDaniel Stone } 42906bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_unreference_blob); 42916bcacf51SDaniel Stone 42926bcacf51SDaniel Stone /** 42936bcacf51SDaniel Stone * drm_property_unreference_blob_locked - Unreference a blob property with blob_lock held 42946bcacf51SDaniel Stone * 42956bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. This must be 42966bcacf51SDaniel Stone * called with blob_lock held. 42976bcacf51SDaniel Stone * 42986bcacf51SDaniel Stone * @param dev Device the blob was created on 42996bcacf51SDaniel Stone * @param blob Pointer to blob property 43006bcacf51SDaniel Stone */ 43016bcacf51SDaniel Stone static void drm_property_unreference_blob_locked(struct drm_property_blob *blob) 43026bcacf51SDaniel Stone { 43036bcacf51SDaniel Stone if (!blob) 43046bcacf51SDaniel Stone return; 43056bcacf51SDaniel Stone 43066bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43076bcacf51SDaniel Stone 43086bcacf51SDaniel Stone kref_put(&blob->refcount, drm_property_free_blob); 43096bcacf51SDaniel Stone } 43106bcacf51SDaniel Stone 43116bcacf51SDaniel Stone /** 43126bcacf51SDaniel Stone * drm_property_reference_blob - Take a reference on an existing property 43136bcacf51SDaniel Stone * 43146bcacf51SDaniel Stone * Take a new reference on an existing blob property. 43156bcacf51SDaniel Stone * 43166bcacf51SDaniel Stone * @param blob Pointer to blob property 43176bcacf51SDaniel Stone */ 43186bcacf51SDaniel Stone struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob) 43196bcacf51SDaniel Stone { 43206bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43216bcacf51SDaniel Stone kref_get(&blob->refcount); 43226bcacf51SDaniel Stone return blob; 43236bcacf51SDaniel Stone } 43246bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_reference_blob); 43256bcacf51SDaniel Stone 43266bcacf51SDaniel Stone /* 43276bcacf51SDaniel Stone * Like drm_property_lookup_blob, but does not return an additional reference. 43286bcacf51SDaniel Stone * Must be called with blob_lock held. 43296bcacf51SDaniel Stone */ 43306bcacf51SDaniel Stone static struct drm_property_blob *__drm_property_lookup_blob(struct drm_device *dev, 43316bcacf51SDaniel Stone uint32_t id) 43326bcacf51SDaniel Stone { 43336bcacf51SDaniel Stone struct drm_mode_object *obj = NULL; 43346bcacf51SDaniel Stone struct drm_property_blob *blob; 43356bcacf51SDaniel Stone 43366bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&dev->mode_config.blob_lock)); 43376bcacf51SDaniel Stone 43386bcacf51SDaniel Stone mutex_lock(&dev->mode_config.idr_mutex); 43396bcacf51SDaniel Stone obj = idr_find(&dev->mode_config.crtc_idr, id); 43406bcacf51SDaniel Stone if (!obj || (obj->type != DRM_MODE_OBJECT_BLOB) || (obj->id != id)) 43416bcacf51SDaniel Stone blob = NULL; 43426bcacf51SDaniel Stone else 43436bcacf51SDaniel Stone blob = obj_to_blob(obj); 43446bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.idr_mutex); 43456bcacf51SDaniel Stone 43466bcacf51SDaniel Stone return blob; 43476bcacf51SDaniel Stone } 43486bcacf51SDaniel Stone 43496bcacf51SDaniel Stone /** 43506bcacf51SDaniel Stone * drm_property_lookup_blob - look up a blob property and take a reference 43516bcacf51SDaniel Stone * @dev: drm device 43526bcacf51SDaniel Stone * @id: id of the blob property 43536bcacf51SDaniel Stone * 43546bcacf51SDaniel Stone * If successful, this takes an additional reference to the blob property. 43556bcacf51SDaniel Stone * callers need to make sure to eventually unreference the returned property 43566bcacf51SDaniel Stone * again, using @drm_property_unreference_blob. 43576bcacf51SDaniel Stone */ 43586bcacf51SDaniel Stone struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, 43596bcacf51SDaniel Stone uint32_t id) 43606bcacf51SDaniel Stone { 43616bcacf51SDaniel Stone struct drm_property_blob *blob; 43626bcacf51SDaniel Stone 43636bcacf51SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 43646bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, id); 43656bcacf51SDaniel Stone if (blob) { 43666bcacf51SDaniel Stone if (!kref_get_unless_zero(&blob->refcount)) 43676bcacf51SDaniel Stone blob = NULL; 43686bcacf51SDaniel Stone } 43696bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43706bcacf51SDaniel Stone 43716bcacf51SDaniel Stone return blob; 43726bcacf51SDaniel Stone } 43736bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_lookup_blob); 43746bcacf51SDaniel Stone 43756bcacf51SDaniel Stone /** 4376d2ed3436SDaniel Stone * drm_property_replace_global_blob - atomically replace existing blob property 4377d2ed3436SDaniel Stone * @dev: drm device 4378d2ed3436SDaniel Stone * @replace: location of blob property pointer to be replaced 4379d2ed3436SDaniel Stone * @length: length of data for new blob, or 0 for no data 4380d2ed3436SDaniel Stone * @data: content for new blob, or NULL for no data 4381d2ed3436SDaniel Stone * @obj_holds_id: optional object for property holding blob ID 4382d2ed3436SDaniel Stone * @prop_holds_id: optional property holding blob ID 4383d2ed3436SDaniel Stone * @return 0 on success or error on failure 4384d2ed3436SDaniel Stone * 4385d2ed3436SDaniel Stone * This function will atomically replace a global property in the blob list, 4386d2ed3436SDaniel Stone * optionally updating a property which holds the ID of that property. It is 4387d2ed3436SDaniel Stone * guaranteed to be atomic: no caller will be allowed to see intermediate 4388d2ed3436SDaniel Stone * results, and either the entire operation will succeed and clean up the 4389d2ed3436SDaniel Stone * previous property, or it will fail and the state will be unchanged. 4390d2ed3436SDaniel Stone * 4391d2ed3436SDaniel Stone * If length is 0 or data is NULL, no new blob will be created, and the holding 4392d2ed3436SDaniel Stone * property, if specified, will be set to 0. 4393d2ed3436SDaniel Stone * 4394d2ed3436SDaniel Stone * Access to the replace pointer is assumed to be protected by the caller, e.g. 4395d2ed3436SDaniel Stone * by holding the relevant modesetting object lock for its parent. 4396d2ed3436SDaniel Stone * 4397d2ed3436SDaniel Stone * For example, a drm_connector has a 'PATH' property, which contains the ID 4398d2ed3436SDaniel Stone * of a blob property with the value of the MST path information. Calling this 4399d2ed3436SDaniel Stone * function with replace pointing to the connector's path_blob_ptr, length and 4400d2ed3436SDaniel Stone * data set for the new path information, obj_holds_id set to the connector's 4401d2ed3436SDaniel Stone * base object, and prop_holds_id set to the path property name, will perform 4402d2ed3436SDaniel Stone * a completely atomic update. The access to path_blob_ptr is protected by the 4403d2ed3436SDaniel Stone * caller holding a lock on the connector. 4404d2ed3436SDaniel Stone */ 4405d2ed3436SDaniel Stone static int drm_property_replace_global_blob(struct drm_device *dev, 4406d2ed3436SDaniel Stone struct drm_property_blob **replace, 4407d2ed3436SDaniel Stone size_t length, 4408d2ed3436SDaniel Stone const void *data, 4409d2ed3436SDaniel Stone struct drm_mode_object *obj_holds_id, 4410d2ed3436SDaniel Stone struct drm_property *prop_holds_id) 4411d2ed3436SDaniel Stone { 4412d2ed3436SDaniel Stone struct drm_property_blob *new_blob = NULL; 4413d2ed3436SDaniel Stone struct drm_property_blob *old_blob = NULL; 4414d2ed3436SDaniel Stone int ret; 4415d2ed3436SDaniel Stone 4416d2ed3436SDaniel Stone WARN_ON(replace == NULL); 4417d2ed3436SDaniel Stone 4418d2ed3436SDaniel Stone old_blob = *replace; 4419d2ed3436SDaniel Stone 4420d2ed3436SDaniel Stone if (length && data) { 4421d2ed3436SDaniel Stone new_blob = drm_property_create_blob(dev, length, data); 4422d2ed3436SDaniel Stone if (!new_blob) 4423d2ed3436SDaniel Stone return -EINVAL; 4424d2ed3436SDaniel Stone } 4425d2ed3436SDaniel Stone 4426d2ed3436SDaniel Stone /* This does not need to be synchronised with blob_lock, as the 4427d2ed3436SDaniel Stone * get_properties ioctl locks all modesetting objects, and 4428d2ed3436SDaniel Stone * obj_holds_id must be locked before calling here, so we cannot 4429d2ed3436SDaniel Stone * have its value out of sync with the list membership modified 4430d2ed3436SDaniel Stone * below under blob_lock. */ 4431d2ed3436SDaniel Stone if (obj_holds_id) { 4432d2ed3436SDaniel Stone ret = drm_object_property_set_value(obj_holds_id, 4433d2ed3436SDaniel Stone prop_holds_id, 4434d2ed3436SDaniel Stone new_blob ? 4435d2ed3436SDaniel Stone new_blob->base.id : 0); 4436d2ed3436SDaniel Stone if (ret != 0) 4437d2ed3436SDaniel Stone goto err_created; 4438d2ed3436SDaniel Stone } 4439d2ed3436SDaniel Stone 4440d2ed3436SDaniel Stone if (old_blob) 44416bcacf51SDaniel Stone drm_property_unreference_blob(old_blob); 4442d2ed3436SDaniel Stone 4443d2ed3436SDaniel Stone *replace = new_blob; 4444d2ed3436SDaniel Stone 4445d2ed3436SDaniel Stone return 0; 4446d2ed3436SDaniel Stone 4447d2ed3436SDaniel Stone err_created: 44486bcacf51SDaniel Stone drm_property_unreference_blob(new_blob); 4449d2ed3436SDaniel Stone return ret; 4450d2ed3436SDaniel Stone } 4451d2ed3436SDaniel Stone 4452d2ed3436SDaniel Stone /** 4453c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 4454c8e32cc1SDaniel Vetter * @dev: DRM device 4455c8e32cc1SDaniel Vetter * @data: ioctl data 4456c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4457c8e32cc1SDaniel Vetter * 4458c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 4459c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 4460c8e32cc1SDaniel Vetter * 4461c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4462c8e32cc1SDaniel Vetter * 4463c8e32cc1SDaniel Vetter * Returns: 44641a498633SDaniel Vetter * Zero on success, negative errno on failure. 4465c8e32cc1SDaniel Vetter */ 4466f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 4467f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4468f453ba04SDave Airlie { 4469f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 4470f453ba04SDave Airlie struct drm_property_blob *blob; 4471f453ba04SDave Airlie int ret = 0; 447281f6c7f8SVille Syrjälä void __user *blob_ptr; 4473f453ba04SDave Airlie 4474fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4475fb3b06c8SDave Airlie return -EINVAL; 4476fb3b06c8SDave Airlie 447784849903SDaniel Vetter drm_modeset_lock_all(dev); 44788fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 44796bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4480a2b34e22SRob Clark if (!blob) { 4481f27657f2SVille Syrjälä ret = -ENOENT; 4482f453ba04SDave Airlie goto done; 4483f453ba04SDave Airlie } 4484f453ba04SDave Airlie 4485f453ba04SDave Airlie if (out_resp->length == blob->length) { 448681f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 4487f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)) { 4488f453ba04SDave Airlie ret = -EFAULT; 4489f453ba04SDave Airlie goto done; 4490f453ba04SDave Airlie } 4491f453ba04SDave Airlie } 4492f453ba04SDave Airlie out_resp->length = blob->length; 4493f453ba04SDave Airlie 4494f453ba04SDave Airlie done: 44958fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 449684849903SDaniel Vetter drm_modeset_unlock_all(dev); 4497f453ba04SDave Airlie return ret; 4498f453ba04SDave Airlie } 4499f453ba04SDave Airlie 4500cc7096fbSDave Airlie /** 4501cc7096fbSDave Airlie * drm_mode_connector_set_path_property - set tile property on connector 4502cc7096fbSDave Airlie * @connector: connector to set property on. 4503d2ed3436SDaniel Stone * @path: path to use for property; must not be NULL. 4504cc7096fbSDave Airlie * 4505cc7096fbSDave Airlie * This creates a property to expose to userspace to specify a 4506cc7096fbSDave Airlie * connector path. This is mainly used for DisplayPort MST where 4507cc7096fbSDave Airlie * connectors have a topology and we want to allow userspace to give 4508cc7096fbSDave Airlie * them more meaningful names. 4509cc7096fbSDave Airlie * 4510cc7096fbSDave Airlie * Returns: 45111a498633SDaniel Vetter * Zero on success, negative errno on failure. 4512cc7096fbSDave Airlie */ 451343aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 451412e6cecdSThierry Reding const char *path) 451543aba7ebSDave Airlie { 451643aba7ebSDave Airlie struct drm_device *dev = connector->dev; 4517ecbbe59bSThierry Reding int ret; 451843aba7ebSDave Airlie 4519d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4520d2ed3436SDaniel Stone &connector->path_blob_ptr, 4521d2ed3436SDaniel Stone strlen(path) + 1, 4522d2ed3436SDaniel Stone path, 4523d2ed3436SDaniel Stone &connector->base, 4524d2ed3436SDaniel Stone dev->mode_config.path_property); 452543aba7ebSDave Airlie return ret; 452643aba7ebSDave Airlie } 452743aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 452843aba7ebSDave Airlie 4529c8e32cc1SDaniel Vetter /** 45306f134d7bSDave Airlie * drm_mode_connector_set_tile_property - set tile property on connector 45316f134d7bSDave Airlie * @connector: connector to set property on. 45326f134d7bSDave Airlie * 45336f134d7bSDave Airlie * This looks up the tile information for a connector, and creates a 45346f134d7bSDave Airlie * property for userspace to parse if it exists. The property is of 45356f134d7bSDave Airlie * the form of 8 integers using ':' as a separator. 45366f134d7bSDave Airlie * 45376f134d7bSDave Airlie * Returns: 45386f134d7bSDave Airlie * Zero on success, errno on failure. 45396f134d7bSDave Airlie */ 45406f134d7bSDave Airlie int drm_mode_connector_set_tile_property(struct drm_connector *connector) 45416f134d7bSDave Airlie { 45426f134d7bSDave Airlie struct drm_device *dev = connector->dev; 45436f134d7bSDave Airlie char tile[256]; 4544d2ed3436SDaniel Stone int ret; 45456f134d7bSDave Airlie 45466f134d7bSDave Airlie if (!connector->has_tile) { 4547d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4548d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4549d2ed3436SDaniel Stone 0, 4550d2ed3436SDaniel Stone NULL, 4551d2ed3436SDaniel Stone &connector->base, 4552d2ed3436SDaniel Stone dev->mode_config.tile_property); 45536f134d7bSDave Airlie return ret; 45546f134d7bSDave Airlie } 45556f134d7bSDave Airlie 45566f134d7bSDave Airlie snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", 45576f134d7bSDave Airlie connector->tile_group->id, connector->tile_is_single_monitor, 45586f134d7bSDave Airlie connector->num_h_tile, connector->num_v_tile, 45596f134d7bSDave Airlie connector->tile_h_loc, connector->tile_v_loc, 45606f134d7bSDave Airlie connector->tile_h_size, connector->tile_v_size); 45616f134d7bSDave Airlie 4562d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4563d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4564d2ed3436SDaniel Stone strlen(tile) + 1, 4565d2ed3436SDaniel Stone tile, 4566d2ed3436SDaniel Stone &connector->base, 4567d2ed3436SDaniel Stone dev->mode_config.tile_property); 45686f134d7bSDave Airlie return ret; 45696f134d7bSDave Airlie } 45706f134d7bSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_tile_property); 45716f134d7bSDave Airlie 45726f134d7bSDave Airlie /** 4573c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4574c8e32cc1SDaniel Vetter * @connector: drm connector 4575c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4576c8e32cc1SDaniel Vetter * 4577c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4578c8e32cc1SDaniel Vetter * connector's edid property. 4579c8e32cc1SDaniel Vetter * 4580c8e32cc1SDaniel Vetter * Returns: 45811a498633SDaniel Vetter * Zero on success, negative errno on failure. 4582c8e32cc1SDaniel Vetter */ 4583f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 458412e6cecdSThierry Reding const struct edid *edid) 4585f453ba04SDave Airlie { 4586f453ba04SDave Airlie struct drm_device *dev = connector->dev; 4587d2ed3436SDaniel Stone size_t size = 0; 4588ecbbe59bSThierry Reding int ret; 4589f453ba04SDave Airlie 45904cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 45914cf2b281SThomas Wood if (connector->override_edid) 45924cf2b281SThomas Wood return 0; 45934cf2b281SThomas Wood 4594d2ed3436SDaniel Stone if (edid) 4595d2ed3436SDaniel Stone size = EDID_LENGTH + (1 + edid->extensions); 4596f453ba04SDave Airlie 4597d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4598d2ed3436SDaniel Stone &connector->edid_blob_ptr, 4599d2ed3436SDaniel Stone size, 4600d2ed3436SDaniel Stone edid, 4601d2ed3436SDaniel Stone &connector->base, 4602d2ed3436SDaniel Stone dev->mode_config.edid_property); 4603f453ba04SDave Airlie return ret; 4604f453ba04SDave Airlie } 4605f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4606f453ba04SDave Airlie 46073843e71fSRob Clark /* Some properties could refer to dynamic refcnt'd objects, or things that 46083843e71fSRob Clark * need special locking to handle lifetime issues (ie. to ensure the prop 46093843e71fSRob Clark * value doesn't become invalid part way through the property update due to 46103843e71fSRob Clark * race). The value returned by reference via 'obj' should be passed back 46113843e71fSRob Clark * to drm_property_change_valid_put() after the property is set (and the 46123843e71fSRob Clark * object to which the property is attached has a chance to take it's own 46133843e71fSRob Clark * reference). 46143843e71fSRob Clark */ 4615d34f20d6SRob Clark bool drm_property_change_valid_get(struct drm_property *property, 46163843e71fSRob Clark uint64_t value, struct drm_mode_object **ref) 461726a34815SPaulo Zanoni { 46182ca651d1SThierry Reding int i; 46192ca651d1SThierry Reding 462026a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 462126a34815SPaulo Zanoni return false; 46225ea22f24SRob Clark 46233843e71fSRob Clark *ref = NULL; 46243843e71fSRob Clark 46255ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 462626a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 462726a34815SPaulo Zanoni return false; 462826a34815SPaulo Zanoni return true; 4629ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4630ebc44cf3SRob Clark int64_t svalue = U642I64(value); 46314dfd909fSThierry Reding 4632ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4633ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4634ebc44cf3SRob Clark return false; 4635ebc44cf3SRob Clark return true; 46365ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4637592c20eeSVille Syrjälä uint64_t valid_mask = 0; 46384dfd909fSThierry Reding 463949e27545SRob Clark for (i = 0; i < property->num_values; i++) 464049e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 464149e27545SRob Clark return !(value & ~valid_mask); 46425ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 46436bcacf51SDaniel Stone struct drm_property_blob *blob; 46446bcacf51SDaniel Stone 46456bcacf51SDaniel Stone if (value == 0) 4646c4a56750SVille Syrjälä return true; 46476bcacf51SDaniel Stone 46486bcacf51SDaniel Stone blob = drm_property_lookup_blob(property->dev, value); 46496bcacf51SDaniel Stone if (blob) { 46506bcacf51SDaniel Stone *ref = &blob->base; 46516bcacf51SDaniel Stone return true; 46526bcacf51SDaniel Stone } else { 46536bcacf51SDaniel Stone return false; 46546bcacf51SDaniel Stone } 465598f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 465698f75de4SRob Clark /* a zero value for an object property translates to null: */ 465798f75de4SRob Clark if (value == 0) 465898f75de4SRob Clark return true; 46593843e71fSRob Clark 46603843e71fSRob Clark /* handle refcnt'd objects specially: */ 46613843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) { 46623843e71fSRob Clark struct drm_framebuffer *fb; 46633843e71fSRob Clark fb = drm_framebuffer_lookup(property->dev, value); 46643843e71fSRob Clark if (fb) { 46653843e71fSRob Clark *ref = &fb->base; 46663843e71fSRob Clark return true; 46673843e71fSRob Clark } else { 46683843e71fSRob Clark return false; 46693843e71fSRob Clark } 46703843e71fSRob Clark } else { 46713843e71fSRob Clark return _object_find(property->dev, value, property->values[0]) != NULL; 46723843e71fSRob Clark } 46732ca651d1SThierry Reding } 46742ca651d1SThierry Reding 467526a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 467626a34815SPaulo Zanoni if (property->values[i] == value) 467726a34815SPaulo Zanoni return true; 467826a34815SPaulo Zanoni return false; 467926a34815SPaulo Zanoni } 468026a34815SPaulo Zanoni 4681d34f20d6SRob Clark void drm_property_change_valid_put(struct drm_property *property, 46823843e71fSRob Clark struct drm_mode_object *ref) 46833843e71fSRob Clark { 46843843e71fSRob Clark if (!ref) 46853843e71fSRob Clark return; 46863843e71fSRob Clark 46873843e71fSRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 46883843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) 46893843e71fSRob Clark drm_framebuffer_unreference(obj_to_fb(ref)); 46903843e71fSRob Clark } 46913843e71fSRob Clark } 46923843e71fSRob Clark 4693c8e32cc1SDaniel Vetter /** 4694c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4695c8e32cc1SDaniel Vetter * @dev: DRM device 4696c8e32cc1SDaniel Vetter * @data: ioctl data 4697c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4698c8e32cc1SDaniel Vetter * 4699c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4700c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4701c8e32cc1SDaniel Vetter * 4702c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4703c8e32cc1SDaniel Vetter * 4704c8e32cc1SDaniel Vetter * Returns: 47051a498633SDaniel Vetter * Zero on success, negative errno on failure. 4706c8e32cc1SDaniel Vetter */ 4707f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4708f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4709f453ba04SDave Airlie { 47100057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 47110057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 47120057d8ddSPaulo Zanoni .value = conn_set_prop->value, 47130057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 47140057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 47150057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 47160057d8ddSPaulo Zanoni }; 4717f453ba04SDave Airlie 47180057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 47190057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4720f453ba04SDave Airlie } 4721f453ba04SDave Airlie 4722c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4723c543188aSPaulo Zanoni struct drm_property *property, 4724c543188aSPaulo Zanoni uint64_t value) 4725c543188aSPaulo Zanoni { 4726c543188aSPaulo Zanoni int ret = -EINVAL; 4727c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4728c543188aSPaulo Zanoni 4729c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4730c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 4731c543188aSPaulo Zanoni if (connector->funcs->dpms) 4732c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 4733c543188aSPaulo Zanoni ret = 0; 4734c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4735c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4736c543188aSPaulo Zanoni 4737c543188aSPaulo Zanoni /* store the property value if successful */ 4738c543188aSPaulo Zanoni if (!ret) 473958495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4740c543188aSPaulo Zanoni return ret; 4741c543188aSPaulo Zanoni } 4742c543188aSPaulo Zanoni 4743bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4744bffd9de0SPaulo Zanoni struct drm_property *property, 4745bffd9de0SPaulo Zanoni uint64_t value) 4746bffd9de0SPaulo Zanoni { 4747bffd9de0SPaulo Zanoni int ret = -EINVAL; 4748bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4749bffd9de0SPaulo Zanoni 4750bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4751bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4752bffd9de0SPaulo Zanoni if (!ret) 4753bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4754bffd9de0SPaulo Zanoni 4755bffd9de0SPaulo Zanoni return ret; 4756bffd9de0SPaulo Zanoni } 4757bffd9de0SPaulo Zanoni 47583a5f87c2SThomas Wood /** 47593a5f87c2SThomas Wood * drm_mode_plane_set_obj_prop - set the value of a property 47603a5f87c2SThomas Wood * @plane: drm plane object to set property value for 47613a5f87c2SThomas Wood * @property: property to set 47623a5f87c2SThomas Wood * @value: value the property should be set to 47633a5f87c2SThomas Wood * 47643a5f87c2SThomas Wood * This functions sets a given property on a given plane object. This function 47653a5f87c2SThomas Wood * calls the driver's ->set_property callback and changes the software state of 47663a5f87c2SThomas Wood * the property if the callback succeeds. 47673a5f87c2SThomas Wood * 47683a5f87c2SThomas Wood * Returns: 47693a5f87c2SThomas Wood * Zero on success, error code on failure. 47703a5f87c2SThomas Wood */ 47713a5f87c2SThomas Wood int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 47724d93914aSRob Clark struct drm_property *property, 47734d93914aSRob Clark uint64_t value) 47744d93914aSRob Clark { 47754d93914aSRob Clark int ret = -EINVAL; 47763a5f87c2SThomas Wood struct drm_mode_object *obj = &plane->base; 47774d93914aSRob Clark 47784d93914aSRob Clark if (plane->funcs->set_property) 47794d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 47804d93914aSRob Clark if (!ret) 47814d93914aSRob Clark drm_object_property_set_value(obj, property, value); 47824d93914aSRob Clark 47834d93914aSRob Clark return ret; 47844d93914aSRob Clark } 47853a5f87c2SThomas Wood EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); 47864d93914aSRob Clark 4787c8e32cc1SDaniel Vetter /** 47881a498633SDaniel Vetter * drm_mode_obj_get_properties_ioctl - get the current value of a object's property 4789c8e32cc1SDaniel Vetter * @dev: DRM device 4790c8e32cc1SDaniel Vetter * @data: ioctl data 4791c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4792c8e32cc1SDaniel Vetter * 4793c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 4794c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 4795c8e32cc1SDaniel Vetter * plane objects. 4796c8e32cc1SDaniel Vetter * 4797c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4798c8e32cc1SDaniel Vetter * 4799c8e32cc1SDaniel Vetter * Returns: 48001a498633SDaniel Vetter * Zero on success, negative errno on failure. 4801c8e32cc1SDaniel Vetter */ 4802c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 4803c543188aSPaulo Zanoni struct drm_file *file_priv) 4804c543188aSPaulo Zanoni { 4805c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 4806c543188aSPaulo Zanoni struct drm_mode_object *obj; 4807c543188aSPaulo Zanoni int ret = 0; 4808c543188aSPaulo Zanoni 4809c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4810c543188aSPaulo Zanoni return -EINVAL; 4811c543188aSPaulo Zanoni 481284849903SDaniel Vetter drm_modeset_lock_all(dev); 4813c543188aSPaulo Zanoni 4814c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4815c543188aSPaulo Zanoni if (!obj) { 4816f27657f2SVille Syrjälä ret = -ENOENT; 4817c543188aSPaulo Zanoni goto out; 4818c543188aSPaulo Zanoni } 4819c543188aSPaulo Zanoni if (!obj->properties) { 4820c543188aSPaulo Zanoni ret = -EINVAL; 4821c543188aSPaulo Zanoni goto out; 4822c543188aSPaulo Zanoni } 4823c543188aSPaulo Zanoni 482488a48e29SRob Clark ret = get_properties(obj, file_priv->atomic, 482595cbf110SRob Clark (uint32_t __user *)(unsigned long)(arg->props_ptr), 482695cbf110SRob Clark (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), 482795cbf110SRob Clark &arg->count_props); 4828c543188aSPaulo Zanoni 4829c543188aSPaulo Zanoni out: 483084849903SDaniel Vetter drm_modeset_unlock_all(dev); 4831c543188aSPaulo Zanoni return ret; 4832c543188aSPaulo Zanoni } 4833c543188aSPaulo Zanoni 4834c8e32cc1SDaniel Vetter /** 4835c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 4836c8e32cc1SDaniel Vetter * @dev: DRM device 4837c8e32cc1SDaniel Vetter * @data: ioctl data 4838c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4839c8e32cc1SDaniel Vetter * 4840c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 4841c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 4842c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 4843c8e32cc1SDaniel Vetter * crtc and plane objects. 4844c8e32cc1SDaniel Vetter * 4845c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4846c8e32cc1SDaniel Vetter * 4847c8e32cc1SDaniel Vetter * Returns: 48481a498633SDaniel Vetter * Zero on success, negative errno on failure. 4849c8e32cc1SDaniel Vetter */ 4850c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 4851c543188aSPaulo Zanoni struct drm_file *file_priv) 4852c543188aSPaulo Zanoni { 4853c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 4854c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 4855c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 4856c543188aSPaulo Zanoni struct drm_property *property; 48573843e71fSRob Clark int i, ret = -EINVAL; 48583843e71fSRob Clark struct drm_mode_object *ref; 4859c543188aSPaulo Zanoni 4860c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4861c543188aSPaulo Zanoni return -EINVAL; 4862c543188aSPaulo Zanoni 486384849903SDaniel Vetter drm_modeset_lock_all(dev); 4864c543188aSPaulo Zanoni 4865c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4866f27657f2SVille Syrjälä if (!arg_obj) { 4867f27657f2SVille Syrjälä ret = -ENOENT; 4868c543188aSPaulo Zanoni goto out; 4869f27657f2SVille Syrjälä } 4870c543188aSPaulo Zanoni if (!arg_obj->properties) 4871c543188aSPaulo Zanoni goto out; 4872c543188aSPaulo Zanoni 48737f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 4874b17cd757SRob Clark if (arg_obj->properties->properties[i]->base.id == arg->prop_id) 4875c543188aSPaulo Zanoni break; 4876c543188aSPaulo Zanoni 48777f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 4878c543188aSPaulo Zanoni goto out; 4879c543188aSPaulo Zanoni 4880c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 4881c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 4882f27657f2SVille Syrjälä if (!prop_obj) { 4883f27657f2SVille Syrjälä ret = -ENOENT; 4884c543188aSPaulo Zanoni goto out; 4885f27657f2SVille Syrjälä } 4886c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 4887c543188aSPaulo Zanoni 48883843e71fSRob Clark if (!drm_property_change_valid_get(property, arg->value, &ref)) 4889c543188aSPaulo Zanoni goto out; 4890c543188aSPaulo Zanoni 4891c543188aSPaulo Zanoni switch (arg_obj->type) { 4892c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 4893c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 4894c543188aSPaulo Zanoni arg->value); 4895c543188aSPaulo Zanoni break; 4896bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 4897bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 4898bffd9de0SPaulo Zanoni break; 48994d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 49003a5f87c2SThomas Wood ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), 49013a5f87c2SThomas Wood property, arg->value); 49024d93914aSRob Clark break; 4903c543188aSPaulo Zanoni } 4904c543188aSPaulo Zanoni 49053843e71fSRob Clark drm_property_change_valid_put(property, ref); 49063843e71fSRob Clark 4907c543188aSPaulo Zanoni out: 490884849903SDaniel Vetter drm_modeset_unlock_all(dev); 4909c543188aSPaulo Zanoni return ret; 4910c543188aSPaulo Zanoni } 4911c543188aSPaulo Zanoni 4912c8e32cc1SDaniel Vetter /** 4913c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 4914c8e32cc1SDaniel Vetter * @connector: connector to attach 4915c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 4916c8e32cc1SDaniel Vetter * 4917c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 4918c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 4919c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 4920c8e32cc1SDaniel Vetter * 4921c8e32cc1SDaniel Vetter * Returns: 49221a498633SDaniel Vetter * Zero on success, negative errno on failure. 4923c8e32cc1SDaniel Vetter */ 4924f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 4925f453ba04SDave Airlie struct drm_encoder *encoder) 4926f453ba04SDave Airlie { 4927f453ba04SDave Airlie int i; 4928f453ba04SDave Airlie 4929f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 4930f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 4931f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 4932f453ba04SDave Airlie return 0; 4933f453ba04SDave Airlie } 4934f453ba04SDave Airlie } 4935f453ba04SDave Airlie return -ENOMEM; 4936f453ba04SDave Airlie } 4937f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 4938f453ba04SDave Airlie 4939c8e32cc1SDaniel Vetter /** 4940c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 4941c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 4942c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 4943c8e32cc1SDaniel Vetter * 4944c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 4945c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 4946c8e32cc1SDaniel Vetter * fixed gamma table size. 4947c8e32cc1SDaniel Vetter * 4948c8e32cc1SDaniel Vetter * Returns: 49491a498633SDaniel Vetter * Zero on success, negative errno on failure. 4950c8e32cc1SDaniel Vetter */ 49514cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 4952f453ba04SDave Airlie int gamma_size) 4953f453ba04SDave Airlie { 4954f453ba04SDave Airlie crtc->gamma_size = gamma_size; 4955f453ba04SDave Airlie 4956bd3f0ff9SThierry Reding crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, 4957bd3f0ff9SThierry Reding GFP_KERNEL); 4958f453ba04SDave Airlie if (!crtc->gamma_store) { 4959f453ba04SDave Airlie crtc->gamma_size = 0; 49604cae5b84SSascha Hauer return -ENOMEM; 4961f453ba04SDave Airlie } 4962f453ba04SDave Airlie 49634cae5b84SSascha Hauer return 0; 4964f453ba04SDave Airlie } 4965f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 4966f453ba04SDave Airlie 4967c8e32cc1SDaniel Vetter /** 4968c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 4969c8e32cc1SDaniel Vetter * @dev: DRM device 4970c8e32cc1SDaniel Vetter * @data: ioctl data 4971c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4972c8e32cc1SDaniel Vetter * 4973c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 4974c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 4975c8e32cc1SDaniel Vetter * 4976c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4977c8e32cc1SDaniel Vetter * 4978c8e32cc1SDaniel Vetter * Returns: 49791a498633SDaniel Vetter * Zero on success, negative errno on failure. 4980c8e32cc1SDaniel Vetter */ 4981f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 4982f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4983f453ba04SDave Airlie { 4984f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4985f453ba04SDave Airlie struct drm_crtc *crtc; 4986f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4987f453ba04SDave Airlie int size; 4988f453ba04SDave Airlie int ret = 0; 4989f453ba04SDave Airlie 4990fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4991fb3b06c8SDave Airlie return -EINVAL; 4992fb3b06c8SDave Airlie 499384849903SDaniel Vetter drm_modeset_lock_all(dev); 4994a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4995a2b34e22SRob Clark if (!crtc) { 4996f27657f2SVille Syrjälä ret = -ENOENT; 4997f453ba04SDave Airlie goto out; 4998f453ba04SDave Airlie } 4999f453ba04SDave Airlie 5000ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 5001ebe0f244SLaurent Pinchart ret = -ENOSYS; 5002ebe0f244SLaurent Pinchart goto out; 5003ebe0f244SLaurent Pinchart } 5004ebe0f244SLaurent Pinchart 5005f453ba04SDave Airlie /* memcpy into gamma store */ 5006f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5007f453ba04SDave Airlie ret = -EINVAL; 5008f453ba04SDave Airlie goto out; 5009f453ba04SDave Airlie } 5010f453ba04SDave Airlie 5011f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5012f453ba04SDave Airlie r_base = crtc->gamma_store; 5013f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 5014f453ba04SDave Airlie ret = -EFAULT; 5015f453ba04SDave Airlie goto out; 5016f453ba04SDave Airlie } 5017f453ba04SDave Airlie 5018f453ba04SDave Airlie g_base = r_base + size; 5019f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 5020f453ba04SDave Airlie ret = -EFAULT; 5021f453ba04SDave Airlie goto out; 5022f453ba04SDave Airlie } 5023f453ba04SDave Airlie 5024f453ba04SDave Airlie b_base = g_base + size; 5025f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 5026f453ba04SDave Airlie ret = -EFAULT; 5027f453ba04SDave Airlie goto out; 5028f453ba04SDave Airlie } 5029f453ba04SDave Airlie 50307203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 5031f453ba04SDave Airlie 5032f453ba04SDave Airlie out: 503384849903SDaniel Vetter drm_modeset_unlock_all(dev); 5034f453ba04SDave Airlie return ret; 5035f453ba04SDave Airlie 5036f453ba04SDave Airlie } 5037f453ba04SDave Airlie 5038c8e32cc1SDaniel Vetter /** 5039c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 5040c8e32cc1SDaniel Vetter * @dev: DRM device 5041c8e32cc1SDaniel Vetter * @data: ioctl data 5042c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5043c8e32cc1SDaniel Vetter * 5044c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 5045c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 5046c8e32cc1SDaniel Vetter * allocated storage. 5047c8e32cc1SDaniel Vetter * 5048c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5049c8e32cc1SDaniel Vetter * 5050c8e32cc1SDaniel Vetter * Returns: 50511a498633SDaniel Vetter * Zero on success, negative errno on failure. 5052c8e32cc1SDaniel Vetter */ 5053f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 5054f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5055f453ba04SDave Airlie { 5056f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5057f453ba04SDave Airlie struct drm_crtc *crtc; 5058f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5059f453ba04SDave Airlie int size; 5060f453ba04SDave Airlie int ret = 0; 5061f453ba04SDave Airlie 5062fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5063fb3b06c8SDave Airlie return -EINVAL; 5064fb3b06c8SDave Airlie 506584849903SDaniel Vetter drm_modeset_lock_all(dev); 5066a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5067a2b34e22SRob Clark if (!crtc) { 5068f27657f2SVille Syrjälä ret = -ENOENT; 5069f453ba04SDave Airlie goto out; 5070f453ba04SDave Airlie } 5071f453ba04SDave Airlie 5072f453ba04SDave Airlie /* memcpy into gamma store */ 5073f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5074f453ba04SDave Airlie ret = -EINVAL; 5075f453ba04SDave Airlie goto out; 5076f453ba04SDave Airlie } 5077f453ba04SDave Airlie 5078f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5079f453ba04SDave Airlie r_base = crtc->gamma_store; 5080f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 5081f453ba04SDave Airlie ret = -EFAULT; 5082f453ba04SDave Airlie goto out; 5083f453ba04SDave Airlie } 5084f453ba04SDave Airlie 5085f453ba04SDave Airlie g_base = r_base + size; 5086f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 5087f453ba04SDave Airlie ret = -EFAULT; 5088f453ba04SDave Airlie goto out; 5089f453ba04SDave Airlie } 5090f453ba04SDave Airlie 5091f453ba04SDave Airlie b_base = g_base + size; 5092f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 5093f453ba04SDave Airlie ret = -EFAULT; 5094f453ba04SDave Airlie goto out; 5095f453ba04SDave Airlie } 5096f453ba04SDave Airlie out: 509784849903SDaniel Vetter drm_modeset_unlock_all(dev); 5098f453ba04SDave Airlie return ret; 5099f453ba04SDave Airlie } 5100d91d8a3fSKristian Høgsberg 5101c8e32cc1SDaniel Vetter /** 5102c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 5103c8e32cc1SDaniel Vetter * @dev: DRM device 5104c8e32cc1SDaniel Vetter * @data: ioctl data 5105c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5106c8e32cc1SDaniel Vetter * 5107c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 5108c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 5109c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 5110c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 5111c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 5112c8e32cc1SDaniel Vetter * ioctl. 5113c8e32cc1SDaniel Vetter * 5114c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5115c8e32cc1SDaniel Vetter * 5116c8e32cc1SDaniel Vetter * Returns: 51171a498633SDaniel Vetter * Zero on success, negative errno on failure. 5118c8e32cc1SDaniel Vetter */ 5119d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 5120d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 5121d91d8a3fSKristian Høgsberg { 5122d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 5123d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 51243d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 5125d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 5126d91d8a3fSKristian Høgsberg unsigned long flags; 5127d91d8a3fSKristian Høgsberg int ret = -EINVAL; 5128d91d8a3fSKristian Høgsberg 5129d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 5130d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 5131d91d8a3fSKristian Høgsberg return -EINVAL; 5132d91d8a3fSKristian Høgsberg 513362f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 513462f2104fSKeith Packard return -EINVAL; 513562f2104fSKeith Packard 5136a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 5137a2b34e22SRob Clark if (!crtc) 5138f27657f2SVille Syrjälä return -ENOENT; 5139d91d8a3fSKristian Høgsberg 51404d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 5141f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 514290c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 514390c1efddSChris Wilson * due to a hotplug event, that userspace has not 514490c1efddSChris Wilson * yet discovered. 514590c1efddSChris Wilson */ 514690c1efddSChris Wilson ret = -EBUSY; 514790c1efddSChris Wilson goto out; 514890c1efddSChris Wilson } 514990c1efddSChris Wilson 5150d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 5151d91d8a3fSKristian Høgsberg goto out; 5152d91d8a3fSKristian Høgsberg 5153786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 515437c4e705SVille Syrjälä if (!fb) { 515537c4e705SVille Syrjälä ret = -ENOENT; 5156d91d8a3fSKristian Høgsberg goto out; 515737c4e705SVille Syrjälä } 5158d91d8a3fSKristian Høgsberg 5159c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 5160c11e9283SDamien Lespiau if (ret) 51615f61bb42SVille Syrjälä goto out; 51625f61bb42SVille Syrjälä 5163f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 5164909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 5165909d9cdaSLaurent Pinchart ret = -EINVAL; 5166909d9cdaSLaurent Pinchart goto out; 5167909d9cdaSLaurent Pinchart } 5168909d9cdaSLaurent Pinchart 5169d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 5170d91d8a3fSKristian Høgsberg ret = -ENOMEM; 5171d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 5172f76511b9SThierry Reding if (file_priv->event_space < sizeof(e->event)) { 5173d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 5174d91d8a3fSKristian Høgsberg goto out; 5175d91d8a3fSKristian Høgsberg } 5176f76511b9SThierry Reding file_priv->event_space -= sizeof(e->event); 5177d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 5178d91d8a3fSKristian Høgsberg 5179f76511b9SThierry Reding e = kzalloc(sizeof(*e), GFP_KERNEL); 5180d91d8a3fSKristian Høgsberg if (e == NULL) { 5181d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 5182f76511b9SThierry Reding file_priv->event_space += sizeof(e->event); 5183d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 5184d91d8a3fSKristian Høgsberg goto out; 5185d91d8a3fSKristian Høgsberg } 5186d91d8a3fSKristian Høgsberg 51877bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 5188f76511b9SThierry Reding e->event.base.length = sizeof(e->event); 5189d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 5190d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 5191d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 5192d91d8a3fSKristian Høgsberg e->base.destroy = 5193d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 5194d91d8a3fSKristian Høgsberg } 5195d91d8a3fSKristian Høgsberg 51963d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 5197ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 5198d91d8a3fSKristian Høgsberg if (ret) { 5199aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 5200d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 5201f76511b9SThierry Reding file_priv->event_space += sizeof(e->event); 5202d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 5203d91d8a3fSKristian Høgsberg kfree(e); 5204d91d8a3fSKristian Høgsberg } 5205b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 52063d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5207b0d12325SDaniel Vetter } else { 52088cf1e981SThierry Reding /* 52098cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 52108cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 52118cf1e981SThierry Reding * Failing to do so will screw with the reference counting 52128cf1e981SThierry Reding * on framebuffers. 52138cf1e981SThierry Reding */ 5214f4510a27SMatt Roper WARN_ON(crtc->primary->fb != fb); 5215b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 5216b0d12325SDaniel Vetter fb = NULL; 5217aef6a7eeSJoonyoung Shim } 5218d91d8a3fSKristian Høgsberg 5219d91d8a3fSKristian Høgsberg out: 5220b0d12325SDaniel Vetter if (fb) 5221b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 52223d30a59bSDaniel Vetter if (crtc->primary->old_fb) 52233d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 52243d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5225d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 5226b4d5e7d1SDaniel Vetter 5227d91d8a3fSKristian Høgsberg return ret; 5228d91d8a3fSKristian Høgsberg } 5229eb033556SChris Wilson 5230c8e32cc1SDaniel Vetter /** 5231c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 5232c8e32cc1SDaniel Vetter * @dev: drm device 5233c8e32cc1SDaniel Vetter * 5234c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 5235c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 5236c8e32cc1SDaniel Vetter * reset hardware and software state. 5237c8e32cc1SDaniel Vetter */ 5238eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 5239eb033556SChris Wilson { 5240eb033556SChris Wilson struct drm_crtc *crtc; 52412a0d7cfdSDaniel Vetter struct drm_plane *plane; 5242eb033556SChris Wilson struct drm_encoder *encoder; 5243eb033556SChris Wilson struct drm_connector *connector; 5244eb033556SChris Wilson 52452a0d7cfdSDaniel Vetter list_for_each_entry(plane, &dev->mode_config.plane_list, head) 52462a0d7cfdSDaniel Vetter if (plane->funcs->reset) 52472a0d7cfdSDaniel Vetter plane->funcs->reset(plane); 52482a0d7cfdSDaniel Vetter 5249eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 5250eb033556SChris Wilson if (crtc->funcs->reset) 5251eb033556SChris Wilson crtc->funcs->reset(crtc); 5252eb033556SChris Wilson 5253eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 5254eb033556SChris Wilson if (encoder->funcs->reset) 5255eb033556SChris Wilson encoder->funcs->reset(encoder); 5256eb033556SChris Wilson 52575e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 52585e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 52595e2cb2f6SDaniel Vetter 5260eb033556SChris Wilson if (connector->funcs->reset) 5261eb033556SChris Wilson connector->funcs->reset(connector); 5262eb033556SChris Wilson } 52635e2cb2f6SDaniel Vetter } 5264eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 5265ff72145bSDave Airlie 5266c8e32cc1SDaniel Vetter /** 5267c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 5268c8e32cc1SDaniel Vetter * @dev: DRM device 5269c8e32cc1SDaniel Vetter * @data: ioctl data 5270c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5271c8e32cc1SDaniel Vetter * 5272c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 5273c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 5274c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 5275c8e32cc1SDaniel Vetter * 5276c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 5277c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 5278c8e32cc1SDaniel Vetter * case. 5279c8e32cc1SDaniel Vetter * 5280c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5281c8e32cc1SDaniel Vetter * 5282c8e32cc1SDaniel Vetter * Returns: 52831a498633SDaniel Vetter * Zero on success, negative errno on failure. 5284c8e32cc1SDaniel Vetter */ 5285ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 5286ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5287ff72145bSDave Airlie { 5288ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 5289b28cd41fSDavid Herrmann u32 cpp, stride, size; 5290ff72145bSDave Airlie 5291ff72145bSDave Airlie if (!dev->driver->dumb_create) 5292ff72145bSDave Airlie return -ENOSYS; 5293b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 5294b28cd41fSDavid Herrmann return -EINVAL; 5295b28cd41fSDavid Herrmann 5296b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 529700e72089SDavid Herrmann /* NOTE: DIV_ROUND_UP() can overflow */ 5298b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 529900e72089SDavid Herrmann if (!cpp || cpp > 0xffffffffU / args->width) 5300b28cd41fSDavid Herrmann return -EINVAL; 5301b28cd41fSDavid Herrmann stride = cpp * args->width; 5302b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 5303b28cd41fSDavid Herrmann return -EINVAL; 5304b28cd41fSDavid Herrmann 5305b28cd41fSDavid Herrmann /* test for wrap-around */ 5306b28cd41fSDavid Herrmann size = args->height * stride; 5307b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 5308b28cd41fSDavid Herrmann return -EINVAL; 5309b28cd41fSDavid Herrmann 5310f6085952SThierry Reding /* 5311f6085952SThierry Reding * handle, pitch and size are output parameters. Zero them out to 5312f6085952SThierry Reding * prevent drivers from accidentally using uninitialized data. Since 5313f6085952SThierry Reding * not all existing userspace is clearing these fields properly we 5314f6085952SThierry Reding * cannot reject IOCTL with garbage in them. 5315f6085952SThierry Reding */ 5316f6085952SThierry Reding args->handle = 0; 5317f6085952SThierry Reding args->pitch = 0; 5318f6085952SThierry Reding args->size = 0; 5319f6085952SThierry Reding 5320ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 5321ff72145bSDave Airlie } 5322ff72145bSDave Airlie 5323c8e32cc1SDaniel Vetter /** 5324c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 5325c8e32cc1SDaniel Vetter * @dev: DRM device 5326c8e32cc1SDaniel Vetter * @data: ioctl data 5327c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5328c8e32cc1SDaniel Vetter * 5329c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 5330c8e32cc1SDaniel Vetter * memory map a dumb buffer. 5331c8e32cc1SDaniel Vetter * 5332c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5333c8e32cc1SDaniel Vetter * 5334c8e32cc1SDaniel Vetter * Returns: 53351a498633SDaniel Vetter * Zero on success, negative errno on failure. 5336c8e32cc1SDaniel Vetter */ 5337ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 5338ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5339ff72145bSDave Airlie { 5340ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 5341ff72145bSDave Airlie 5342ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 5343ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 5344ff72145bSDave Airlie return -ENOSYS; 5345ff72145bSDave Airlie 5346ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 5347ff72145bSDave Airlie } 5348ff72145bSDave Airlie 5349c8e32cc1SDaniel Vetter /** 5350c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 5351c8e32cc1SDaniel Vetter * @dev: DRM device 5352c8e32cc1SDaniel Vetter * @data: ioctl data 5353c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5354c8e32cc1SDaniel Vetter * 5355c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 5356c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 5357c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 5358c8e32cc1SDaniel Vetter * 5359c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5360c8e32cc1SDaniel Vetter * 5361c8e32cc1SDaniel Vetter * Returns: 53621a498633SDaniel Vetter * Zero on success, negative errno on failure. 5363c8e32cc1SDaniel Vetter */ 5364ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 5365ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5366ff72145bSDave Airlie { 5367ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 5368ff72145bSDave Airlie 5369ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 5370ff72145bSDave Airlie return -ENOSYS; 5371ff72145bSDave Airlie 5372ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 5373ff72145bSDave Airlie } 5374248dbc23SDave Airlie 5375c8e32cc1SDaniel Vetter /** 5376c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 5377c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 5378c8e32cc1SDaniel Vetter * @depth: storage for the depth value 5379c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 5380c8e32cc1SDaniel Vetter * 5381c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 5382c8e32cc1SDaniel Vetter * pixel formats directly yet. 5383248dbc23SDave Airlie */ 5384248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 5385248dbc23SDave Airlie int *bpp) 5386248dbc23SDave Airlie { 5387248dbc23SDave Airlie switch (format) { 5388c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 538904b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 539004b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 5391248dbc23SDave Airlie *depth = 8; 5392248dbc23SDave Airlie *bpp = 8; 5393248dbc23SDave Airlie break; 539404b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 539504b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 539604b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 539704b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 539804b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 539904b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 540004b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 540104b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 5402248dbc23SDave Airlie *depth = 15; 5403248dbc23SDave Airlie *bpp = 16; 5404248dbc23SDave Airlie break; 540504b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 540604b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 5407248dbc23SDave Airlie *depth = 16; 5408248dbc23SDave Airlie *bpp = 16; 5409248dbc23SDave Airlie break; 541004b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 541104b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 541204b3924dSVille Syrjälä *depth = 24; 541304b3924dSVille Syrjälä *bpp = 24; 541404b3924dSVille Syrjälä break; 541504b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 541604b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 541704b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 541804b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 5419248dbc23SDave Airlie *depth = 24; 5420248dbc23SDave Airlie *bpp = 32; 5421248dbc23SDave Airlie break; 542204b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 542304b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 542404b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 542504b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 542604b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 542704b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 542804b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 542904b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 5430248dbc23SDave Airlie *depth = 30; 5431248dbc23SDave Airlie *bpp = 32; 5432248dbc23SDave Airlie break; 543304b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 543404b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 543504b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 543604b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 5437248dbc23SDave Airlie *depth = 32; 5438248dbc23SDave Airlie *bpp = 32; 5439248dbc23SDave Airlie break; 5440248dbc23SDave Airlie default: 544123c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 544223c453a4SVille Syrjälä drm_get_format_name(format)); 5443248dbc23SDave Airlie *depth = 0; 5444248dbc23SDave Airlie *bpp = 0; 5445248dbc23SDave Airlie break; 5446248dbc23SDave Airlie } 5447248dbc23SDave Airlie } 5448248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 5449141670e9SVille Syrjälä 5450141670e9SVille Syrjälä /** 5451141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 5452141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 5453141670e9SVille Syrjälä * 5454c8e32cc1SDaniel Vetter * Returns: 5455141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 5456141670e9SVille Syrjälä */ 5457141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 5458141670e9SVille Syrjälä { 5459141670e9SVille Syrjälä switch (format) { 5460141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 5461141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 5462141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 5463141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 5464141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 5465141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 5466141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 5467141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 5468141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 5469141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 5470141670e9SVille Syrjälä return 3; 5471141670e9SVille Syrjälä case DRM_FORMAT_NV12: 5472141670e9SVille Syrjälä case DRM_FORMAT_NV21: 5473141670e9SVille Syrjälä case DRM_FORMAT_NV16: 5474141670e9SVille Syrjälä case DRM_FORMAT_NV61: 5475ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5476ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 5477141670e9SVille Syrjälä return 2; 5478141670e9SVille Syrjälä default: 5479141670e9SVille Syrjälä return 1; 5480141670e9SVille Syrjälä } 5481141670e9SVille Syrjälä } 5482141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 54835a86bd55SVille Syrjälä 54845a86bd55SVille Syrjälä /** 54855a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 54865a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 54875a86bd55SVille Syrjälä * @plane: plane index 54885a86bd55SVille Syrjälä * 5489c8e32cc1SDaniel Vetter * Returns: 54905a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 54915a86bd55SVille Syrjälä */ 54925a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 54935a86bd55SVille Syrjälä { 54945a86bd55SVille Syrjälä unsigned int depth; 54955a86bd55SVille Syrjälä int bpp; 54965a86bd55SVille Syrjälä 54975a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 54985a86bd55SVille Syrjälä return 0; 54995a86bd55SVille Syrjälä 55005a86bd55SVille Syrjälä switch (format) { 55015a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 55025a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 55035a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 55045a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 55055a86bd55SVille Syrjälä return 2; 55065a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 55075a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 55085a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 55095a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 5510ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5511ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 55125a86bd55SVille Syrjälä return plane ? 2 : 1; 55135a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 55145a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 55155a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 55165a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 55175a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 55185a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 55195a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 55205a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 55215a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 55225a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 55235a86bd55SVille Syrjälä return 1; 55245a86bd55SVille Syrjälä default: 55255a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 55265a86bd55SVille Syrjälä return bpp >> 3; 55275a86bd55SVille Syrjälä } 55285a86bd55SVille Syrjälä } 55295a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 553001b68b04SVille Syrjälä 553101b68b04SVille Syrjälä /** 553201b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 553301b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 553401b68b04SVille Syrjälä * 5535c8e32cc1SDaniel Vetter * Returns: 553601b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 553701b68b04SVille Syrjälä * specified pixel format. 553801b68b04SVille Syrjälä */ 553901b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 554001b68b04SVille Syrjälä { 554101b68b04SVille Syrjälä switch (format) { 554201b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 554301b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 554401b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 554501b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 554601b68b04SVille Syrjälä return 4; 554701b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 554801b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 554901b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 555001b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 555101b68b04SVille Syrjälä case DRM_FORMAT_NV12: 555201b68b04SVille Syrjälä case DRM_FORMAT_NV21: 555301b68b04SVille Syrjälä case DRM_FORMAT_NV16: 555401b68b04SVille Syrjälä case DRM_FORMAT_NV61: 555501b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 555601b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 555701b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 555801b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 555901b68b04SVille Syrjälä return 2; 556001b68b04SVille Syrjälä default: 556101b68b04SVille Syrjälä return 1; 556201b68b04SVille Syrjälä } 556301b68b04SVille Syrjälä } 556401b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 556501b68b04SVille Syrjälä 556601b68b04SVille Syrjälä /** 556701b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 556801b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 556901b68b04SVille Syrjälä * 5570c8e32cc1SDaniel Vetter * Returns: 557101b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 557201b68b04SVille Syrjälä * specified pixel format. 557301b68b04SVille Syrjälä */ 557401b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 557501b68b04SVille Syrjälä { 557601b68b04SVille Syrjälä switch (format) { 557701b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 557801b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 557901b68b04SVille Syrjälä return 4; 558001b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 558101b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 558201b68b04SVille Syrjälä case DRM_FORMAT_NV12: 558301b68b04SVille Syrjälä case DRM_FORMAT_NV21: 558401b68b04SVille Syrjälä return 2; 558501b68b04SVille Syrjälä default: 558601b68b04SVille Syrjälä return 1; 558701b68b04SVille Syrjälä } 558801b68b04SVille Syrjälä } 558901b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 559087d24fc3SLaurent Pinchart 559187d24fc3SLaurent Pinchart /** 55923c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 55933c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 55943c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 55953c9855f6SVille Syrjälä * 55963c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 55973c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 55983c9855f6SVille Syrjälä * one could call this function like this: 55993c9855f6SVille Syrjälä * 56003c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 56013c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 56023c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 56033c9855f6SVille Syrjälä * 56043c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 56053c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 56063c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 56073c9855f6SVille Syrjälä * check the result afterwards. 56083c9855f6SVille Syrjälä */ 56093c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 56103c9855f6SVille Syrjälä unsigned int supported_rotations) 56113c9855f6SVille Syrjälä { 56123c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 56133c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 56143c9855f6SVille Syrjälä rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4); 56153c9855f6SVille Syrjälä } 56163c9855f6SVille Syrjälä 56173c9855f6SVille Syrjälä return rotation; 56183c9855f6SVille Syrjälä } 56193c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 56203c9855f6SVille Syrjälä 56213c9855f6SVille Syrjälä /** 562287d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 562387d24fc3SLaurent Pinchart * @dev: DRM device 562487d24fc3SLaurent Pinchart * 562587d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 562687d24fc3SLaurent Pinchart * configuration of @dev. 562787d24fc3SLaurent Pinchart * 562887d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 562987d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 563087d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 563187d24fc3SLaurent Pinchart * 563287d24fc3SLaurent Pinchart */ 563387d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 563487d24fc3SLaurent Pinchart { 563587d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 563651fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 563787d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 563887d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 56398fb6e7a5SDaniel Stone mutex_init(&dev->mode_config.blob_lock); 564087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 564187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 564287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 564387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 564487d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 564587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 564687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 564787d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 5648138f9ebbSDave Airlie idr_init(&dev->mode_config.tile_idr); 564987d24fc3SLaurent Pinchart 565087d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 56516b4959f4SRob Clark drm_mode_create_standard_properties(dev); 565287d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 565387d24fc3SLaurent Pinchart 565487d24fc3SLaurent Pinchart /* Just to be sure */ 565587d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 565687d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 565787d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 565887d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5659e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5660e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 566187d24fc3SLaurent Pinchart } 566287d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 566387d24fc3SLaurent Pinchart 566487d24fc3SLaurent Pinchart /** 566587d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 566687d24fc3SLaurent Pinchart * @dev: DRM device 566787d24fc3SLaurent Pinchart * 566887d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 566987d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 567087d24fc3SLaurent Pinchart * 567187d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 567287d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 567387d24fc3SLaurent Pinchart * this guarantee actually holds true. 567487d24fc3SLaurent Pinchart * 567587d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 567687d24fc3SLaurent Pinchart */ 567787d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 567887d24fc3SLaurent Pinchart { 567987d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 568087d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 568187d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 568287d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 568387d24fc3SLaurent Pinchart struct drm_property *property, *pt; 568487d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 568587d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 568687d24fc3SLaurent Pinchart 568787d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 568887d24fc3SLaurent Pinchart head) { 568987d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 569087d24fc3SLaurent Pinchart } 569187d24fc3SLaurent Pinchart 569287d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 569387d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 569487d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 569587d24fc3SLaurent Pinchart } 569687d24fc3SLaurent Pinchart 569787d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 569887d24fc3SLaurent Pinchart head) { 569987d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 570087d24fc3SLaurent Pinchart } 570187d24fc3SLaurent Pinchart 570287d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 570387d24fc3SLaurent Pinchart head) { 57046bcacf51SDaniel Stone drm_property_unreference_blob(blob); 570587d24fc3SLaurent Pinchart } 570687d24fc3SLaurent Pinchart 570787d24fc3SLaurent Pinchart /* 570887d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 570987d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 571087d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 571187d24fc3SLaurent Pinchart * 571287d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 571387d24fc3SLaurent Pinchart * so politely WARN about this. 571487d24fc3SLaurent Pinchart */ 571587d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 571687d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 571787d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 571887d24fc3SLaurent Pinchart } 571987d24fc3SLaurent Pinchart 572087d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 572187d24fc3SLaurent Pinchart head) { 572287d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 572387d24fc3SLaurent Pinchart } 572487d24fc3SLaurent Pinchart 572587d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 572687d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 572787d24fc3SLaurent Pinchart } 572887d24fc3SLaurent Pinchart 5729138f9ebbSDave Airlie idr_destroy(&dev->mode_config.tile_idr); 573087d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 573151fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 573287d24fc3SLaurent Pinchart } 573387d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5734c1df5f3cSVille Syrjälä 5735c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5736c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5737c1df5f3cSVille Syrjälä { 5738c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5739c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5740c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5741c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5742c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5743c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5744c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5745c1df5f3cSVille Syrjälä }; 5746c1df5f3cSVille Syrjälä 5747c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5748c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5749c1df5f3cSVille Syrjälä supported_rotations); 5750c1df5f3cSVille Syrjälä } 5751c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 5752138f9ebbSDave Airlie 5753138f9ebbSDave Airlie /** 5754138f9ebbSDave Airlie * DOC: Tile group 5755138f9ebbSDave Airlie * 5756138f9ebbSDave Airlie * Tile groups are used to represent tiled monitors with a unique 5757138f9ebbSDave Airlie * integer identifier. Tiled monitors using DisplayID v1.3 have 5758138f9ebbSDave Airlie * a unique 8-byte handle, we store this in a tile group, so we 5759138f9ebbSDave Airlie * have a common identifier for all tiles in a monitor group. 5760138f9ebbSDave Airlie */ 5761138f9ebbSDave Airlie static void drm_tile_group_free(struct kref *kref) 5762138f9ebbSDave Airlie { 5763138f9ebbSDave Airlie struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); 5764138f9ebbSDave Airlie struct drm_device *dev = tg->dev; 5765138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5766138f9ebbSDave Airlie idr_remove(&dev->mode_config.tile_idr, tg->id); 5767138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5768138f9ebbSDave Airlie kfree(tg); 5769138f9ebbSDave Airlie } 5770138f9ebbSDave Airlie 5771138f9ebbSDave Airlie /** 5772138f9ebbSDave Airlie * drm_mode_put_tile_group - drop a reference to a tile group. 5773138f9ebbSDave Airlie * @dev: DRM device 5774138f9ebbSDave Airlie * @tg: tile group to drop reference to. 5775138f9ebbSDave Airlie * 5776138f9ebbSDave Airlie * drop reference to tile group and free if 0. 5777138f9ebbSDave Airlie */ 5778138f9ebbSDave Airlie void drm_mode_put_tile_group(struct drm_device *dev, 5779138f9ebbSDave Airlie struct drm_tile_group *tg) 5780138f9ebbSDave Airlie { 5781138f9ebbSDave Airlie kref_put(&tg->refcount, drm_tile_group_free); 5782138f9ebbSDave Airlie } 5783138f9ebbSDave Airlie 5784138f9ebbSDave Airlie /** 5785138f9ebbSDave Airlie * drm_mode_get_tile_group - get a reference to an existing tile group 5786138f9ebbSDave Airlie * @dev: DRM device 5787138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 5788138f9ebbSDave Airlie * 5789138f9ebbSDave Airlie * Use the unique bytes to get a reference to an existing tile group. 5790138f9ebbSDave Airlie * 5791138f9ebbSDave Airlie * RETURNS: 5792138f9ebbSDave Airlie * tile group or NULL if not found. 5793138f9ebbSDave Airlie */ 5794138f9ebbSDave Airlie struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, 5795138f9ebbSDave Airlie char topology[8]) 5796138f9ebbSDave Airlie { 5797138f9ebbSDave Airlie struct drm_tile_group *tg; 5798138f9ebbSDave Airlie int id; 5799138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5800138f9ebbSDave Airlie idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { 5801138f9ebbSDave Airlie if (!memcmp(tg->group_data, topology, 8)) { 5802138f9ebbSDave Airlie if (!kref_get_unless_zero(&tg->refcount)) 5803138f9ebbSDave Airlie tg = NULL; 5804138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5805138f9ebbSDave Airlie return tg; 5806138f9ebbSDave Airlie } 5807138f9ebbSDave Airlie } 5808138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5809138f9ebbSDave Airlie return NULL; 5810138f9ebbSDave Airlie } 581181ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_get_tile_group); 5812138f9ebbSDave Airlie 5813138f9ebbSDave Airlie /** 5814138f9ebbSDave Airlie * drm_mode_create_tile_group - create a tile group from a displayid description 5815138f9ebbSDave Airlie * @dev: DRM device 5816138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 5817138f9ebbSDave Airlie * 5818138f9ebbSDave Airlie * Create a tile group for the unique monitor, and get a unique 5819138f9ebbSDave Airlie * identifier for the tile group. 5820138f9ebbSDave Airlie * 5821138f9ebbSDave Airlie * RETURNS: 5822138f9ebbSDave Airlie * new tile group or error. 5823138f9ebbSDave Airlie */ 5824138f9ebbSDave Airlie struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, 5825138f9ebbSDave Airlie char topology[8]) 5826138f9ebbSDave Airlie { 5827138f9ebbSDave Airlie struct drm_tile_group *tg; 5828138f9ebbSDave Airlie int ret; 5829138f9ebbSDave Airlie 5830138f9ebbSDave Airlie tg = kzalloc(sizeof(*tg), GFP_KERNEL); 5831138f9ebbSDave Airlie if (!tg) 5832138f9ebbSDave Airlie return ERR_PTR(-ENOMEM); 5833138f9ebbSDave Airlie 5834138f9ebbSDave Airlie kref_init(&tg->refcount); 5835138f9ebbSDave Airlie memcpy(tg->group_data, topology, 8); 5836138f9ebbSDave Airlie tg->dev = dev; 5837138f9ebbSDave Airlie 5838138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5839138f9ebbSDave Airlie ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); 5840138f9ebbSDave Airlie if (ret >= 0) { 5841138f9ebbSDave Airlie tg->id = ret; 5842138f9ebbSDave Airlie } else { 5843138f9ebbSDave Airlie kfree(tg); 5844138f9ebbSDave Airlie tg = ERR_PTR(ret); 5845138f9ebbSDave Airlie } 5846138f9ebbSDave Airlie 5847138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5848138f9ebbSDave Airlie return tg; 5849138f9ebbSDave Airlie } 585081ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_create_tile_group); 5851