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> 40f453ba04SDave Airlie 4184849903SDaniel Vetter /** 4284849903SDaniel Vetter * drm_modeset_lock_all - take all modeset locks 4384849903SDaniel Vetter * @dev: drm device 4484849903SDaniel Vetter * 4584849903SDaniel Vetter * This function takes all modeset locks, suitable where a more fine-grained 4684849903SDaniel Vetter * scheme isn't (yet) implemented. 4784849903SDaniel Vetter */ 4884849903SDaniel Vetter void drm_modeset_lock_all(struct drm_device *dev) 4984849903SDaniel Vetter { 5029494c17SDaniel Vetter struct drm_crtc *crtc; 5129494c17SDaniel Vetter 5284849903SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 5329494c17SDaniel Vetter 5429494c17SDaniel Vetter list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 5529494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 5684849903SDaniel Vetter } 5784849903SDaniel Vetter EXPORT_SYMBOL(drm_modeset_lock_all); 5884849903SDaniel Vetter 5984849903SDaniel Vetter /** 6084849903SDaniel Vetter * drm_modeset_unlock_all - drop all modeset locks 6184849903SDaniel Vetter * @dev: device 6284849903SDaniel Vetter */ 6384849903SDaniel Vetter void drm_modeset_unlock_all(struct drm_device *dev) 6484849903SDaniel Vetter { 6529494c17SDaniel Vetter struct drm_crtc *crtc; 6629494c17SDaniel Vetter 6729494c17SDaniel Vetter list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 6829494c17SDaniel Vetter mutex_unlock(&crtc->mutex); 6929494c17SDaniel Vetter 7084849903SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 7184849903SDaniel Vetter } 7284849903SDaniel Vetter EXPORT_SYMBOL(drm_modeset_unlock_all); 7384849903SDaniel Vetter 746aed8ec3SDaniel Vetter /** 756aed8ec3SDaniel Vetter * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked 766aed8ec3SDaniel Vetter * @dev: device 776aed8ec3SDaniel Vetter */ 786aed8ec3SDaniel Vetter void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) 796aed8ec3SDaniel Vetter { 806aed8ec3SDaniel Vetter struct drm_crtc *crtc; 816aed8ec3SDaniel Vetter 82a9b054e8SDaniel Vetter /* Locking is currently fubar in the panic handler. */ 83a9b054e8SDaniel Vetter if (oops_in_progress) 84a9b054e8SDaniel Vetter return; 85a9b054e8SDaniel Vetter 866aed8ec3SDaniel Vetter list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 876aed8ec3SDaniel Vetter WARN_ON(!mutex_is_locked(&crtc->mutex)); 886aed8ec3SDaniel Vetter 896aed8ec3SDaniel Vetter WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); 906aed8ec3SDaniel Vetter } 916aed8ec3SDaniel Vetter EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); 926aed8ec3SDaniel Vetter 93f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 94f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 95d20d3174SVille Syrjälä const char *fnname(int val) \ 96f453ba04SDave Airlie { \ 97f453ba04SDave Airlie int i; \ 98f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 99f453ba04SDave Airlie if (list[i].type == val) \ 100f453ba04SDave Airlie return list[i].name; \ 101f453ba04SDave Airlie } \ 102f453ba04SDave Airlie return "(unknown)"; \ 103f453ba04SDave Airlie } 104f453ba04SDave Airlie 105f453ba04SDave Airlie /* 106f453ba04SDave Airlie * Global properties 107f453ba04SDave Airlie */ 108d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dpms_enum_list[] = 109f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 110f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 111f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 112f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 113f453ba04SDave Airlie }; 114f453ba04SDave Airlie 115f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 116f453ba04SDave Airlie 117f453ba04SDave Airlie /* 118f453ba04SDave Airlie * Optional properties 119f453ba04SDave Airlie */ 120d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 121f453ba04SDave Airlie { 12253bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 12353bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 12453bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 12553bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 126f453ba04SDave Airlie }; 127f453ba04SDave Airlie 128f453ba04SDave Airlie /* 129f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 130f453ba04SDave Airlie */ 131d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 132f453ba04SDave Airlie { 133f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 134f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 135f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 136f453ba04SDave Airlie }; 137f453ba04SDave Airlie 138f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 139f453ba04SDave Airlie 140d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 141f453ba04SDave Airlie { 142f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 143f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 144f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 145f453ba04SDave Airlie }; 146f453ba04SDave Airlie 147f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 148f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 149f453ba04SDave Airlie 150d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_select_enum_list[] = 151f453ba04SDave Airlie { 152f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 153f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 154f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 155f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 156aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 157f453ba04SDave Airlie }; 158f453ba04SDave Airlie 159f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 160f453ba04SDave Airlie 161d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 162f453ba04SDave Airlie { 163f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 164f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 165f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 166f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 167aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 168f453ba04SDave Airlie }; 169f453ba04SDave Airlie 170f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 171f453ba04SDave Airlie drm_tv_subconnector_enum_list) 172f453ba04SDave Airlie 173d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 174884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 175884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 176884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 177884840aaSJakob Bornecrantz }; 178884840aaSJakob Bornecrantz 179f453ba04SDave Airlie struct drm_conn_prop_enum_list { 180f453ba04SDave Airlie int type; 181d20d3174SVille Syrjälä const char *name; 182b21e3afeSIlia Mirkin struct ida ida; 183f453ba04SDave Airlie }; 184f453ba04SDave Airlie 185f453ba04SDave Airlie /* 186f453ba04SDave Airlie * Connector and encoder types. 187f453ba04SDave Airlie */ 188f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 189b21e3afeSIlia Mirkin { { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, 190b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VGA, "VGA" }, 191b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, 192b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, 193b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, 194b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Composite, "Composite" }, 195b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, 196b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, 197b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Component, "Component" }, 198b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, 199b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, 200b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, 201b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, 202b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_TV, "TV" }, 203b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_eDP, "eDP" }, 204b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, 205b8923273SShobhit Kumar { DRM_MODE_CONNECTOR_DSI, "DSI" }, 206f453ba04SDave Airlie }; 207f453ba04SDave Airlie 208d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_encoder_enum_list[] = 209f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 210f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 211f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 212f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 213f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 214a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 215b8923273SShobhit Kumar { DRM_MODE_ENCODER_DSI, "DSI" }, 216f453ba04SDave Airlie }; 217f453ba04SDave Airlie 218ac1bb36cSJesse Barnes static const struct drm_prop_enum_list drm_subpixel_enum_list[] = 219ac1bb36cSJesse Barnes { 220ac1bb36cSJesse Barnes { SubPixelUnknown, "Unknown" }, 221ac1bb36cSJesse Barnes { SubPixelHorizontalRGB, "Horizontal RGB" }, 222ac1bb36cSJesse Barnes { SubPixelHorizontalBGR, "Horizontal BGR" }, 223ac1bb36cSJesse Barnes { SubPixelVerticalRGB, "Vertical RGB" }, 224ac1bb36cSJesse Barnes { SubPixelVerticalBGR, "Vertical BGR" }, 225ac1bb36cSJesse Barnes { SubPixelNone, "None" }, 226ac1bb36cSJesse Barnes }; 227ac1bb36cSJesse Barnes 228b21e3afeSIlia Mirkin void drm_connector_ida_init(void) 229b21e3afeSIlia Mirkin { 230b21e3afeSIlia Mirkin int i; 231b21e3afeSIlia Mirkin 232b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 233b21e3afeSIlia Mirkin ida_init(&drm_connector_enum_list[i].ida); 234b21e3afeSIlia Mirkin } 235b21e3afeSIlia Mirkin 236b21e3afeSIlia Mirkin void drm_connector_ida_destroy(void) 237b21e3afeSIlia Mirkin { 238b21e3afeSIlia Mirkin int i; 239b21e3afeSIlia Mirkin 240b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 241b21e3afeSIlia Mirkin ida_destroy(&drm_connector_enum_list[i].ida); 242b21e3afeSIlia Mirkin } 243b21e3afeSIlia Mirkin 244d20d3174SVille Syrjälä const char *drm_get_encoder_name(const struct drm_encoder *encoder) 245f453ba04SDave Airlie { 246f453ba04SDave Airlie static char buf[32]; 247f453ba04SDave Airlie 248f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 249f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 250f453ba04SDave Airlie encoder->base.id); 251f453ba04SDave Airlie return buf; 252f453ba04SDave Airlie } 25313a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 254f453ba04SDave Airlie 255d20d3174SVille Syrjälä const char *drm_get_connector_name(const struct drm_connector *connector) 256f453ba04SDave Airlie { 257f453ba04SDave Airlie static char buf[32]; 258f453ba04SDave Airlie 259f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 260f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 261f453ba04SDave Airlie connector->connector_type_id); 262f453ba04SDave Airlie return buf; 263f453ba04SDave Airlie } 264f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 265f453ba04SDave Airlie 266d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 267f453ba04SDave Airlie { 268f453ba04SDave Airlie if (status == connector_status_connected) 269f453ba04SDave Airlie return "connected"; 270f453ba04SDave Airlie else if (status == connector_status_disconnected) 271f453ba04SDave Airlie return "disconnected"; 272f453ba04SDave Airlie else 273f453ba04SDave Airlie return "unknown"; 274f453ba04SDave Airlie } 275ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 276f453ba04SDave Airlie 277ac1bb36cSJesse Barnes /** 278ac1bb36cSJesse Barnes * drm_get_subpixel_order_name - return a string for a given subpixel enum 279ac1bb36cSJesse Barnes * @order: enum of subpixel_order 280ac1bb36cSJesse Barnes * 281ac1bb36cSJesse Barnes * Note you could abuse this and return something out of bounds, but that 282ac1bb36cSJesse Barnes * would be a caller error. No unscrubbed user data should make it here. 283ac1bb36cSJesse Barnes */ 284ac1bb36cSJesse Barnes const char *drm_get_subpixel_order_name(enum subpixel_order order) 285ac1bb36cSJesse Barnes { 286ac1bb36cSJesse Barnes return drm_subpixel_enum_list[order].name; 287ac1bb36cSJesse Barnes } 288ac1bb36cSJesse Barnes EXPORT_SYMBOL(drm_get_subpixel_order_name); 289ac1bb36cSJesse Barnes 2906ba6d03eSVille Syrjälä static char printable_char(int c) 2916ba6d03eSVille Syrjälä { 2926ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2936ba6d03eSVille Syrjälä } 2946ba6d03eSVille Syrjälä 295d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2966ba6d03eSVille Syrjälä { 2976ba6d03eSVille Syrjälä static char buf[32]; 2986ba6d03eSVille Syrjälä 2996ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 3006ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 3016ba6d03eSVille Syrjälä printable_char(format & 0xff), 3026ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 3036ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 3046ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 3056ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 3066ba6d03eSVille Syrjälä format); 3076ba6d03eSVille Syrjälä 3086ba6d03eSVille Syrjälä return buf; 3096ba6d03eSVille Syrjälä } 3106ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 3116ba6d03eSVille Syrjälä 312f453ba04SDave Airlie /** 313065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 314f453ba04SDave Airlie * @dev: DRM device 315065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 316065a50edSDaniel Vetter * @obj_type: object type 317f453ba04SDave Airlie * 318f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 319f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 320f453ba04SDave Airlie * 321f453ba04SDave Airlie * RETURNS: 322f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 323f453ba04SDave Airlie * object. 324f453ba04SDave Airlie */ 325f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 326f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 327f453ba04SDave Airlie { 328f453ba04SDave Airlie int ret; 329f453ba04SDave Airlie 330ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 3312e928815STejun Heo ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); 3322e928815STejun Heo if (ret >= 0) { 3334b096ac1SDaniel Vetter /* 3344b096ac1SDaniel Vetter * Set up the object linking under the protection of the idr 3354b096ac1SDaniel Vetter * lock so that other users can't see inconsistent state. 3364b096ac1SDaniel Vetter */ 3372e928815STejun Heo obj->id = ret; 338f453ba04SDave Airlie obj->type = obj_type; 3394b096ac1SDaniel Vetter } 3404b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 3414b096ac1SDaniel Vetter 3422e928815STejun Heo return ret < 0 ? ret : 0; 343f453ba04SDave Airlie } 344f453ba04SDave Airlie 345f453ba04SDave Airlie /** 346065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 347f453ba04SDave Airlie * @dev: DRM device 348065a50edSDaniel Vetter * @object: object to free 349f453ba04SDave Airlie * 350f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 351f453ba04SDave Airlie */ 352f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 353f453ba04SDave Airlie struct drm_mode_object *object) 354f453ba04SDave Airlie { 355ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 356f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 357ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 358f453ba04SDave Airlie } 359f453ba04SDave Airlie 360786b99edSDaniel Vetter /** 361786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 362786b99edSDaniel Vetter * @dev: drm device 363786b99edSDaniel Vetter * @id: id of the mode object 364786b99edSDaniel Vetter * @type: type of the mode object 365786b99edSDaniel Vetter * 366786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 367786b99edSDaniel Vetter * are reference counted, they need special treatment. 368786b99edSDaniel Vetter */ 3697a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3707a9c9060SDaniel Vetter uint32_t id, uint32_t type) 371f453ba04SDave Airlie { 372ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 373f453ba04SDave Airlie 374786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 375786b99edSDaniel Vetter * function.*/ 376786b99edSDaniel Vetter WARN_ON(type == DRM_MODE_OBJECT_FB); 377786b99edSDaniel Vetter 378ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 379f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 380f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 381ad2563c2SJesse Barnes obj = NULL; 382ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 383f453ba04SDave Airlie 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 * 403f453ba04SDave Airlie * 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 4212b677e8cSDaniel Vetter /* Grab the idr reference. */ 4222b677e8cSDaniel Vetter drm_framebuffer_reference(fb); 4232b677e8cSDaniel Vetter 424f453ba04SDave Airlie dev->mode_config.num_fb++; 425f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4264b096ac1SDaniel Vetter out: 4274b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 428f453ba04SDave Airlie 429f453ba04SDave Airlie return 0; 430f453ba04SDave Airlie } 431f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 432f453ba04SDave Airlie 433f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 434f7eff60eSRob Clark { 435f7eff60eSRob Clark struct drm_framebuffer *fb = 436f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 437f7eff60eSRob Clark fb->funcs->destroy(fb); 438f7eff60eSRob Clark } 439f7eff60eSRob Clark 4402b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4412b677e8cSDaniel Vetter uint32_t id) 4422b677e8cSDaniel Vetter { 4432b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4442b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4452b677e8cSDaniel Vetter 4462b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4472b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4482b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4492b677e8cSDaniel Vetter fb = NULL; 4502b677e8cSDaniel Vetter else 4512b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4522b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4532b677e8cSDaniel Vetter 4542b677e8cSDaniel Vetter return fb; 4552b677e8cSDaniel Vetter } 4562b677e8cSDaniel Vetter 457f7eff60eSRob Clark /** 458786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 459786b99edSDaniel Vetter * @dev: drm device 460786b99edSDaniel Vetter * @id: id of the fb object 461786b99edSDaniel Vetter * 462786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 463786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 464786b99edSDaniel Vetter * again. 465786b99edSDaniel Vetter */ 466786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 467786b99edSDaniel Vetter uint32_t id) 468786b99edSDaniel Vetter { 469786b99edSDaniel Vetter struct drm_framebuffer *fb; 470786b99edSDaniel Vetter 471786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4722b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 473786b99edSDaniel Vetter if (fb) 4749131d3d8Sarchit taneja drm_framebuffer_reference(fb); 475786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 476786b99edSDaniel Vetter 477786b99edSDaniel Vetter return fb; 478786b99edSDaniel Vetter } 479786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 480786b99edSDaniel Vetter 481786b99edSDaniel Vetter /** 482f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 483065a50edSDaniel Vetter * @fb: framebuffer to unref 484065a50edSDaniel Vetter * 485065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 486f7eff60eSRob Clark */ 487f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 488f7eff60eSRob Clark { 489f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 490f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 491f7eff60eSRob Clark } 492f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 493f7eff60eSRob Clark 494f7eff60eSRob Clark /** 495f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 496065a50edSDaniel Vetter * @fb: framebuffer 497f7eff60eSRob Clark */ 498f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 499f7eff60eSRob Clark { 500f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 501f7eff60eSRob Clark kref_get(&fb->refcount); 502f7eff60eSRob Clark } 503f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 504f7eff60eSRob Clark 5052b677e8cSDaniel Vetter static void drm_framebuffer_free_bug(struct kref *kref) 5062b677e8cSDaniel Vetter { 5072b677e8cSDaniel Vetter BUG(); 5082b677e8cSDaniel Vetter } 5092b677e8cSDaniel Vetter 5106c2a7532SDaniel Vetter static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) 5116c2a7532SDaniel Vetter { 5126c2a7532SDaniel Vetter DRM_DEBUG("FB ID: %d\n", fb->base.id); 5136c2a7532SDaniel Vetter kref_put(&fb->refcount, drm_framebuffer_free_bug); 5146c2a7532SDaniel Vetter } 5156c2a7532SDaniel Vetter 5162b677e8cSDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 5172b677e8cSDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 5182b677e8cSDaniel Vetter struct drm_framebuffer *fb) 5192b677e8cSDaniel Vetter { 5202b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 5212b677e8cSDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 5222b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 5232b677e8cSDaniel Vetter 5242b677e8cSDaniel Vetter fb->base.id = 0; 5252b677e8cSDaniel Vetter 5266c2a7532SDaniel Vetter __drm_framebuffer_unreference(fb); 5272b677e8cSDaniel Vetter } 5282b677e8cSDaniel Vetter 529f453ba04SDave Airlie /** 53036206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 53136206361SDaniel Vetter * @fb: fb to unregister 53236206361SDaniel Vetter * 53336206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 53436206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 53536206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 53636206361SDaniel Vetter * locking inversion). 53736206361SDaniel Vetter */ 53836206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 53936206361SDaniel Vetter { 5402b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 5412b677e8cSDaniel Vetter 5422b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5432b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5442b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5452b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 54636206361SDaniel Vetter } 54736206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 54836206361SDaniel Vetter 54936206361SDaniel Vetter /** 550f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 551f453ba04SDave Airlie * @fb: framebuffer to remove 552f453ba04SDave Airlie * 55336206361SDaniel Vetter * Cleanup references to a user-created framebuffer. This function is intended 55436206361SDaniel Vetter * to be used from the drivers ->destroy callback. 55536206361SDaniel Vetter * 55636206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 55736206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 55836206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 55936206361SDaniel Vetter * 56036206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 56136206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 56236206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 56336206361SDaniel Vetter * drm_framebuffer_unregister_private. 564f453ba04SDave Airlie */ 565f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 566f453ba04SDave Airlie { 567f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5688faf6b18SDaniel Vetter 5694b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 570f7eff60eSRob Clark list_del(&fb->head); 571f7eff60eSRob Clark dev->mode_config.num_fb--; 5724b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 573f7eff60eSRob Clark } 574f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 575f7eff60eSRob Clark 576f7eff60eSRob Clark /** 577f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 578f7eff60eSRob Clark * @fb: framebuffer to remove 579f7eff60eSRob Clark * 580f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 58136206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 582b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 583b62584e3SDaniel Vetter * 584b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 585b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 586b62584e3SDaniel Vetter * modeset locks in this case. 587f7eff60eSRob Clark */ 588f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 589f7eff60eSRob Clark { 590f7eff60eSRob Clark struct drm_device *dev = fb->dev; 591f453ba04SDave Airlie struct drm_crtc *crtc; 5928cf5c917SJesse Barnes struct drm_plane *plane; 5935ef5f72fSDave Airlie struct drm_mode_set set; 5945ef5f72fSDave Airlie int ret; 595f453ba04SDave Airlie 5964b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5978faf6b18SDaniel Vetter 598b62584e3SDaniel Vetter /* 599b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 600b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 601b62584e3SDaniel Vetter * longer need, try to optimize this away. 602b62584e3SDaniel Vetter * 603b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 604b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 605b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 606b62584e3SDaniel Vetter * locks. 607b62584e3SDaniel Vetter * 608b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 609b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 610b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 611b62584e3SDaniel Vetter * in this manner. 612b62584e3SDaniel Vetter */ 613b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 614b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 615f453ba04SDave Airlie /* remove from any CRTC */ 616f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 6175ef5f72fSDave Airlie if (crtc->fb == fb) { 6185ef5f72fSDave Airlie /* should turn off the crtc */ 6195ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6205ef5f72fSDave Airlie set.crtc = crtc; 6215ef5f72fSDave Airlie set.fb = NULL; 6222d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6235ef5f72fSDave Airlie if (ret) 6245ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6255ef5f72fSDave Airlie } 626f453ba04SDave Airlie } 627f453ba04SDave Airlie 6288cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 6299125e618SVille Syrjälä if (plane->fb == fb) 6309125e618SVille Syrjälä drm_plane_force_disable(plane); 6318cf5c917SJesse Barnes } 632b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 633b62584e3SDaniel Vetter } 6348cf5c917SJesse Barnes 635f7eff60eSRob Clark drm_framebuffer_unreference(fb); 636f453ba04SDave Airlie } 637f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 638f453ba04SDave Airlie 639f453ba04SDave Airlie /** 640f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 641f453ba04SDave Airlie * @dev: DRM device 642f453ba04SDave Airlie * @crtc: CRTC object to init 643f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 644f453ba04SDave Airlie * 645ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6466bfc56aaSVille Syrjälä * 6476bfc56aaSVille Syrjälä * RETURNS: 6486bfc56aaSVille Syrjälä * Zero on success, error code on failure. 649f453ba04SDave Airlie */ 6506bfc56aaSVille Syrjälä int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 651f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 652f453ba04SDave Airlie { 6536bfc56aaSVille Syrjälä int ret; 6546bfc56aaSVille Syrjälä 655f453ba04SDave Airlie crtc->dev = dev; 656f453ba04SDave Airlie crtc->funcs = funcs; 6577c80e128SRob Clark crtc->invert_dimensions = false; 658f453ba04SDave Airlie 65984849903SDaniel Vetter drm_modeset_lock_all(dev); 66029494c17SDaniel Vetter mutex_init(&crtc->mutex); 66129494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 6626bfc56aaSVille Syrjälä 6636bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6646bfc56aaSVille Syrjälä if (ret) 6656bfc56aaSVille Syrjälä goto out; 666f453ba04SDave Airlie 667bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 668bffd9de0SPaulo Zanoni 669f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 670f453ba04SDave Airlie dev->mode_config.num_crtc++; 6716bfc56aaSVille Syrjälä 6726bfc56aaSVille Syrjälä out: 67384849903SDaniel Vetter drm_modeset_unlock_all(dev); 6746bfc56aaSVille Syrjälä 6756bfc56aaSVille Syrjälä return ret; 676f453ba04SDave Airlie } 677f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 678f453ba04SDave Airlie 679f453ba04SDave Airlie /** 680ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 681f453ba04SDave Airlie * @crtc: CRTC to cleanup 682f453ba04SDave Airlie * 683ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 684ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 685ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 686f453ba04SDave Airlie */ 687f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 688f453ba04SDave Airlie { 689f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 690f453ba04SDave Airlie 691f453ba04SDave Airlie kfree(crtc->gamma_store); 692f453ba04SDave Airlie crtc->gamma_store = NULL; 693f453ba04SDave Airlie 694f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 695f453ba04SDave Airlie list_del(&crtc->head); 696f453ba04SDave Airlie dev->mode_config.num_crtc--; 697f453ba04SDave Airlie } 698f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 699f453ba04SDave Airlie 700f453ba04SDave Airlie /** 701db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 702db5f7a6eSRussell King * @crtc: CRTC to find index for 703db5f7a6eSRussell King * 704db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 705db5f7a6eSRussell King * device's list of CRTCs. 706db5f7a6eSRussell King */ 707db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 708db5f7a6eSRussell King { 709db5f7a6eSRussell King unsigned int index = 0; 710db5f7a6eSRussell King struct drm_crtc *tmp; 711db5f7a6eSRussell King 712db5f7a6eSRussell King list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 713db5f7a6eSRussell King if (tmp == crtc) 714db5f7a6eSRussell King return index; 715db5f7a6eSRussell King 716db5f7a6eSRussell King index++; 717db5f7a6eSRussell King } 718db5f7a6eSRussell King 719db5f7a6eSRussell King BUG(); 720db5f7a6eSRussell King } 721db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 722db5f7a6eSRussell King 723db5f7a6eSRussell King /** 724f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 725f453ba04SDave Airlie * @connector: connector the new mode 726f453ba04SDave Airlie * @mode: mode data 727f453ba04SDave Airlie * 728f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 729f453ba04SDave Airlie */ 730f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 731f453ba04SDave Airlie struct drm_display_mode *mode) 732f453ba04SDave Airlie { 733990256aeSVille Syrjälä list_add_tail(&mode->head, &connector->probed_modes); 734f453ba04SDave Airlie } 735f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 736f453ba04SDave Airlie 73786f422d5SLespiau, Damien /* 738f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 739f453ba04SDave Airlie * @connector: connector list to modify 740f453ba04SDave Airlie * @mode: mode to remove 741f453ba04SDave Airlie * 742f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 743f453ba04SDave Airlie */ 74486f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 745f453ba04SDave Airlie struct drm_display_mode *mode) 746f453ba04SDave Airlie { 747f453ba04SDave Airlie list_del(&mode->head); 748554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 749f453ba04SDave Airlie } 750f453ba04SDave Airlie 751f453ba04SDave Airlie /** 752f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 753f453ba04SDave Airlie * @dev: DRM device 754f453ba04SDave Airlie * @connector: the connector to init 755f453ba04SDave Airlie * @funcs: callbacks for this connector 756065a50edSDaniel Vetter * @connector_type: user visible type of the connector 757f453ba04SDave Airlie * 758f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 759f453ba04SDave Airlie * subclassed as part of driver connector objects. 7606bfc56aaSVille Syrjälä * 7616bfc56aaSVille Syrjälä * RETURNS: 7626bfc56aaSVille Syrjälä * Zero on success, error code on failure. 763f453ba04SDave Airlie */ 7646bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 765f453ba04SDave Airlie struct drm_connector *connector, 766f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 767f453ba04SDave Airlie int connector_type) 768f453ba04SDave Airlie { 7696bfc56aaSVille Syrjälä int ret; 770b21e3afeSIlia Mirkin struct ida *connector_ida = 771b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 7726bfc56aaSVille Syrjälä 77384849903SDaniel Vetter drm_modeset_lock_all(dev); 774f453ba04SDave Airlie 7756bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 7766bfc56aaSVille Syrjälä if (ret) 7776bfc56aaSVille Syrjälä goto out; 7786bfc56aaSVille Syrjälä 7797e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 780f453ba04SDave Airlie connector->dev = dev; 781f453ba04SDave Airlie connector->funcs = funcs; 782f453ba04SDave Airlie connector->connector_type = connector_type; 783f453ba04SDave Airlie connector->connector_type_id = 784b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 785b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 786b21e3afeSIlia Mirkin ret = connector->connector_type_id; 787b21e3afeSIlia Mirkin drm_mode_object_put(dev, &connector->base); 788b21e3afeSIlia Mirkin goto out; 789b21e3afeSIlia Mirkin } 790f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 791f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 792f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 7935e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 794f453ba04SDave Airlie 795f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 796f453ba04SDave Airlie dev->mode_config.num_connector++; 797f453ba04SDave Airlie 798a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 79958495563SRob Clark drm_object_attach_property(&connector->base, 800a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 801a7331e5cSThomas Hellstrom 0); 802f453ba04SDave Airlie 80358495563SRob Clark drm_object_attach_property(&connector->base, 804f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 805f453ba04SDave Airlie 8066bfc56aaSVille Syrjälä out: 80784849903SDaniel Vetter drm_modeset_unlock_all(dev); 8086bfc56aaSVille Syrjälä 8096bfc56aaSVille Syrjälä return ret; 810f453ba04SDave Airlie } 811f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 812f453ba04SDave Airlie 813f453ba04SDave Airlie /** 814f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 815f453ba04SDave Airlie * @connector: connector to cleanup 816f453ba04SDave Airlie * 817f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 818f453ba04SDave Airlie */ 819f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 820f453ba04SDave Airlie { 821f453ba04SDave Airlie struct drm_device *dev = connector->dev; 822f453ba04SDave Airlie struct drm_display_mode *mode, *t; 823f453ba04SDave Airlie 824f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 825f453ba04SDave Airlie drm_mode_remove(connector, mode); 826f453ba04SDave Airlie 827f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 828f453ba04SDave Airlie drm_mode_remove(connector, mode); 829f453ba04SDave Airlie 830b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 831b21e3afeSIlia Mirkin connector->connector_type_id); 832b21e3afeSIlia Mirkin 833f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 834f453ba04SDave Airlie list_del(&connector->head); 8356380c509SJoonyoung Shim dev->mode_config.num_connector--; 836f453ba04SDave Airlie } 837f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 838f453ba04SDave Airlie 839cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 840cbc7e221SDave Airlie { 841cbc7e221SDave Airlie struct drm_connector *connector; 842cbc7e221SDave Airlie 843cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 844cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 845cbc7e221SDave Airlie drm_sysfs_connector_remove(connector); 846cbc7e221SDave Airlie 847cbc7e221SDave Airlie } 848cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 849cbc7e221SDave Airlie 8503b336ec4SSean Paul int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge, 8513b336ec4SSean Paul const struct drm_bridge_funcs *funcs) 8523b336ec4SSean Paul { 8533b336ec4SSean Paul int ret; 8543b336ec4SSean Paul 8553b336ec4SSean Paul drm_modeset_lock_all(dev); 8563b336ec4SSean Paul 8573b336ec4SSean Paul ret = drm_mode_object_get(dev, &bridge->base, DRM_MODE_OBJECT_BRIDGE); 8583b336ec4SSean Paul if (ret) 8593b336ec4SSean Paul goto out; 8603b336ec4SSean Paul 8613b336ec4SSean Paul bridge->dev = dev; 8623b336ec4SSean Paul bridge->funcs = funcs; 8633b336ec4SSean Paul 8643b336ec4SSean Paul list_add_tail(&bridge->head, &dev->mode_config.bridge_list); 8653b336ec4SSean Paul dev->mode_config.num_bridge++; 8663b336ec4SSean Paul 8673b336ec4SSean Paul out: 8683b336ec4SSean Paul drm_modeset_unlock_all(dev); 8693b336ec4SSean Paul return ret; 8703b336ec4SSean Paul } 8713b336ec4SSean Paul EXPORT_SYMBOL(drm_bridge_init); 8723b336ec4SSean Paul 8733b336ec4SSean Paul void drm_bridge_cleanup(struct drm_bridge *bridge) 8743b336ec4SSean Paul { 8753b336ec4SSean Paul struct drm_device *dev = bridge->dev; 8763b336ec4SSean Paul 8773b336ec4SSean Paul drm_modeset_lock_all(dev); 8783b336ec4SSean Paul drm_mode_object_put(dev, &bridge->base); 8793b336ec4SSean Paul list_del(&bridge->head); 8803b336ec4SSean Paul dev->mode_config.num_bridge--; 8813b336ec4SSean Paul drm_modeset_unlock_all(dev); 8823b336ec4SSean Paul } 8833b336ec4SSean Paul EXPORT_SYMBOL(drm_bridge_cleanup); 8843b336ec4SSean Paul 8856bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 886f453ba04SDave Airlie struct drm_encoder *encoder, 887f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 888f453ba04SDave Airlie int encoder_type) 889f453ba04SDave Airlie { 8906bfc56aaSVille Syrjälä int ret; 8916bfc56aaSVille Syrjälä 89284849903SDaniel Vetter drm_modeset_lock_all(dev); 893f453ba04SDave Airlie 8946bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 8956bfc56aaSVille Syrjälä if (ret) 8966bfc56aaSVille Syrjälä goto out; 897f453ba04SDave Airlie 8986bfc56aaSVille Syrjälä encoder->dev = dev; 899f453ba04SDave Airlie encoder->encoder_type = encoder_type; 900f453ba04SDave Airlie encoder->funcs = funcs; 901f453ba04SDave Airlie 902f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 903f453ba04SDave Airlie dev->mode_config.num_encoder++; 904f453ba04SDave Airlie 9056bfc56aaSVille Syrjälä out: 90684849903SDaniel Vetter drm_modeset_unlock_all(dev); 9076bfc56aaSVille Syrjälä 9086bfc56aaSVille Syrjälä return ret; 909f453ba04SDave Airlie } 910f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 911f453ba04SDave Airlie 912f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 913f453ba04SDave Airlie { 914f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 91584849903SDaniel Vetter drm_modeset_lock_all(dev); 916f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 917f453ba04SDave Airlie list_del(&encoder->head); 9186380c509SJoonyoung Shim dev->mode_config.num_encoder--; 91984849903SDaniel Vetter drm_modeset_unlock_all(dev); 920f453ba04SDave Airlie } 921f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 922f453ba04SDave Airlie 92335f2c3aeSVille Syrjälä /** 92435f2c3aeSVille Syrjälä * drm_plane_init - Initialise a new plane object 92535f2c3aeSVille Syrjälä * @dev: DRM device 92635f2c3aeSVille Syrjälä * @plane: plane object to init 92735f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 92835f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 92935f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 93035f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 93135f2c3aeSVille Syrjälä * @priv: plane is private (hidden from userspace)? 93235f2c3aeSVille Syrjälä * 93335f2c3aeSVille Syrjälä * Inits a new object created as base part of a driver plane object. 93435f2c3aeSVille Syrjälä * 93535f2c3aeSVille Syrjälä * RETURNS: 93635f2c3aeSVille Syrjälä * Zero on success, error code on failure. 93735f2c3aeSVille Syrjälä */ 9388cf5c917SJesse Barnes int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 9398cf5c917SJesse Barnes unsigned long possible_crtcs, 9408cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 9410a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 9420a7eb243SRob Clark bool priv) 9438cf5c917SJesse Barnes { 9446bfc56aaSVille Syrjälä int ret; 9456bfc56aaSVille Syrjälä 94684849903SDaniel Vetter drm_modeset_lock_all(dev); 9478cf5c917SJesse Barnes 9486bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 9496bfc56aaSVille Syrjälä if (ret) 9506bfc56aaSVille Syrjälä goto out; 9516bfc56aaSVille Syrjälä 9524d93914aSRob Clark plane->base.properties = &plane->properties; 9538cf5c917SJesse Barnes plane->dev = dev; 9548cf5c917SJesse Barnes plane->funcs = funcs; 9558cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 9568cf5c917SJesse Barnes GFP_KERNEL); 9578cf5c917SJesse Barnes if (!plane->format_types) { 9588cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 9598cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 9606bfc56aaSVille Syrjälä ret = -ENOMEM; 9616bfc56aaSVille Syrjälä goto out; 9628cf5c917SJesse Barnes } 9638cf5c917SJesse Barnes 964308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 9658cf5c917SJesse Barnes plane->format_count = format_count; 9668cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 9678cf5c917SJesse Barnes 9680a7eb243SRob Clark /* private planes are not exposed to userspace, but depending on 9690a7eb243SRob Clark * display hardware, might be convenient to allow sharing programming 9700a7eb243SRob Clark * for the scanout engine with the crtc implementation. 9710a7eb243SRob Clark */ 9720a7eb243SRob Clark if (!priv) { 9738cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 9748cf5c917SJesse Barnes dev->mode_config.num_plane++; 9750a7eb243SRob Clark } else { 9760a7eb243SRob Clark INIT_LIST_HEAD(&plane->head); 9770a7eb243SRob Clark } 9788cf5c917SJesse Barnes 9796bfc56aaSVille Syrjälä out: 98084849903SDaniel Vetter drm_modeset_unlock_all(dev); 9818cf5c917SJesse Barnes 9826bfc56aaSVille Syrjälä return ret; 9838cf5c917SJesse Barnes } 9848cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 9858cf5c917SJesse Barnes 98635f2c3aeSVille Syrjälä /** 98735f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 98835f2c3aeSVille Syrjälä * @plane: plane to cleanup 98935f2c3aeSVille Syrjälä * 99035f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 99135f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 99235f2c3aeSVille Syrjälä * this is the responsibility of the caller. 99335f2c3aeSVille Syrjälä */ 9948cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 9958cf5c917SJesse Barnes { 9968cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 9978cf5c917SJesse Barnes 99884849903SDaniel Vetter drm_modeset_lock_all(dev); 9998cf5c917SJesse Barnes kfree(plane->format_types); 10008cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 10010a7eb243SRob Clark /* if not added to a list, it must be a private plane */ 10020a7eb243SRob Clark if (!list_empty(&plane->head)) { 10038cf5c917SJesse Barnes list_del(&plane->head); 10048cf5c917SJesse Barnes dev->mode_config.num_plane--; 10050a7eb243SRob Clark } 100684849903SDaniel Vetter drm_modeset_unlock_all(dev); 10078cf5c917SJesse Barnes } 10088cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 10098cf5c917SJesse Barnes 101035f2c3aeSVille Syrjälä /** 101135f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 101235f2c3aeSVille Syrjälä * @plane: plane to disable 101335f2c3aeSVille Syrjälä * 101435f2c3aeSVille Syrjälä * Forces the plane to be disabled. 101535f2c3aeSVille Syrjälä * 101635f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 101735f2c3aeSVille Syrjälä * and when restoring fbdev mode. 101835f2c3aeSVille Syrjälä */ 10199125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 10209125e618SVille Syrjälä { 10219125e618SVille Syrjälä int ret; 10229125e618SVille Syrjälä 10239125e618SVille Syrjälä if (!plane->fb) 10249125e618SVille Syrjälä return; 10259125e618SVille Syrjälä 10269125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 10279125e618SVille Syrjälä if (ret) 10289125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 10299125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 10309125e618SVille Syrjälä __drm_framebuffer_unreference(plane->fb); 10319125e618SVille Syrjälä plane->fb = NULL; 10329125e618SVille Syrjälä plane->crtc = NULL; 10339125e618SVille Syrjälä } 10349125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 10359125e618SVille Syrjälä 1036f453ba04SDave Airlie /** 1037f453ba04SDave Airlie * drm_mode_create - create a new display mode 1038f453ba04SDave Airlie * @dev: DRM device 1039f453ba04SDave Airlie * 1040f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 1041f453ba04SDave Airlie * 1042f453ba04SDave Airlie * RETURNS: 1043f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 1044f453ba04SDave Airlie */ 1045f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 1046f453ba04SDave Airlie { 1047f453ba04SDave Airlie struct drm_display_mode *nmode; 1048f453ba04SDave Airlie 1049f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 1050f453ba04SDave Airlie if (!nmode) 1051f453ba04SDave Airlie return NULL; 1052f453ba04SDave Airlie 10536bfc56aaSVille Syrjälä if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 10546bfc56aaSVille Syrjälä kfree(nmode); 10556bfc56aaSVille Syrjälä return NULL; 10566bfc56aaSVille Syrjälä } 10576bfc56aaSVille Syrjälä 1058f453ba04SDave Airlie return nmode; 1059f453ba04SDave Airlie } 1060f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 1061f453ba04SDave Airlie 1062f453ba04SDave Airlie /** 1063f453ba04SDave Airlie * drm_mode_destroy - remove a mode 1064f453ba04SDave Airlie * @dev: DRM device 1065f453ba04SDave Airlie * @mode: mode to remove 1066f453ba04SDave Airlie * 1067f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 1068f453ba04SDave Airlie */ 1069f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 1070f453ba04SDave Airlie { 1071ee34ab5bSVille Syrjälä if (!mode) 1072ee34ab5bSVille Syrjälä return; 1073ee34ab5bSVille Syrjälä 1074f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 1075f453ba04SDave Airlie 1076f453ba04SDave Airlie kfree(mode); 1077f453ba04SDave Airlie } 1078f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 1079f453ba04SDave Airlie 1080f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 1081f453ba04SDave Airlie { 1082f453ba04SDave Airlie struct drm_property *edid; 1083f453ba04SDave Airlie struct drm_property *dpms; 1084f453ba04SDave Airlie 1085f453ba04SDave Airlie /* 1086f453ba04SDave Airlie * Standard properties (apply to all connectors) 1087f453ba04SDave Airlie */ 1088f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1089f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1090f453ba04SDave Airlie "EDID", 0); 1091f453ba04SDave Airlie dev->mode_config.edid_property = edid; 1092f453ba04SDave Airlie 10934a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 10944a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 10954a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1096f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 1097f453ba04SDave Airlie 1098f453ba04SDave Airlie return 0; 1099f453ba04SDave Airlie } 1100f453ba04SDave Airlie 1101f453ba04SDave Airlie /** 1102f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1103f453ba04SDave Airlie * @dev: DRM device 1104f453ba04SDave Airlie * 1105f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1106f453ba04SDave Airlie */ 1107f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1108f453ba04SDave Airlie { 1109f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1110f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1111f453ba04SDave Airlie 1112f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1113f453ba04SDave Airlie return 0; 1114f453ba04SDave Airlie 1115f453ba04SDave Airlie dvi_i_selector = 11164a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1117f453ba04SDave Airlie "select subconnector", 11184a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1119f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1120f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1121f453ba04SDave Airlie 11224a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1123f453ba04SDave Airlie "subconnector", 11244a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1125f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1126f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1127f453ba04SDave Airlie 1128f453ba04SDave Airlie return 0; 1129f453ba04SDave Airlie } 1130f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1131f453ba04SDave Airlie 1132f453ba04SDave Airlie /** 1133f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1134f453ba04SDave Airlie * @dev: DRM device 1135f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1136f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1137f453ba04SDave Airlie * 1138f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1139f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1140f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1141f453ba04SDave Airlie * this routine. 1142f453ba04SDave Airlie */ 1143f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 1144f453ba04SDave Airlie char *modes[]) 1145f453ba04SDave Airlie { 1146f453ba04SDave Airlie struct drm_property *tv_selector; 1147f453ba04SDave Airlie struct drm_property *tv_subconnector; 1148f453ba04SDave Airlie int i; 1149f453ba04SDave Airlie 1150f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1151f453ba04SDave Airlie return 0; 1152f453ba04SDave Airlie 1153f453ba04SDave Airlie /* 1154f453ba04SDave Airlie * Basic connector properties 1155f453ba04SDave Airlie */ 11564a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1157f453ba04SDave Airlie "select subconnector", 11584a67d391SSascha Hauer drm_tv_select_enum_list, 1159f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1160f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1161f453ba04SDave Airlie 1162f453ba04SDave Airlie tv_subconnector = 11634a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 11644a67d391SSascha Hauer "subconnector", 11654a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1166f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1167f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1168f453ba04SDave Airlie 1169f453ba04SDave Airlie /* 1170f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1171f453ba04SDave Airlie */ 1172f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1173d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1174f453ba04SDave Airlie 1175f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1176d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1177f453ba04SDave Airlie 1178f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1179d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1180f453ba04SDave Airlie 1181f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1182d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1183f453ba04SDave Airlie 1184f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1185f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1186f453ba04SDave Airlie "mode", num_modes); 1187f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1188f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1189f453ba04SDave Airlie i, modes[i]); 1190f453ba04SDave Airlie 1191b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1192d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1193b6b7902eSFrancisco Jerez 1194b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1195d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1196b6b7902eSFrancisco Jerez 1197b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1198d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1199b6b7902eSFrancisco Jerez 1200a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1201d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1202a75f0236SFrancisco Jerez 1203a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1204d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1205a75f0236SFrancisco Jerez 1206a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1207d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1208a75f0236SFrancisco Jerez 1209f453ba04SDave Airlie return 0; 1210f453ba04SDave Airlie } 1211f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1212f453ba04SDave Airlie 1213f453ba04SDave Airlie /** 1214f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1215f453ba04SDave Airlie * @dev: DRM device 1216f453ba04SDave Airlie * 1217f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1218f453ba04SDave Airlie * connectors. 1219f453ba04SDave Airlie */ 1220f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1221f453ba04SDave Airlie { 1222f453ba04SDave Airlie struct drm_property *scaling_mode; 1223f453ba04SDave Airlie 1224f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1225f453ba04SDave Airlie return 0; 1226f453ba04SDave Airlie 1227f453ba04SDave Airlie scaling_mode = 12284a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 12294a67d391SSascha Hauer drm_scaling_mode_enum_list, 1230f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1231f453ba04SDave Airlie 1232f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1233f453ba04SDave Airlie 1234f453ba04SDave Airlie return 0; 1235f453ba04SDave Airlie } 1236f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1237f453ba04SDave Airlie 1238f453ba04SDave Airlie /** 1239884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1240884840aaSJakob Bornecrantz * @dev: DRM device 1241884840aaSJakob Bornecrantz * 1242884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1243884840aaSJakob Bornecrantz * connectors. 1244884840aaSJakob Bornecrantz */ 1245884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1246884840aaSJakob Bornecrantz { 1247884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1248884840aaSJakob Bornecrantz 1249884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1250884840aaSJakob Bornecrantz return 0; 1251884840aaSJakob Bornecrantz 1252884840aaSJakob Bornecrantz dirty_info = 12534a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1254884840aaSJakob Bornecrantz "dirty", 12554a67d391SSascha Hauer drm_dirty_info_enum_list, 1256884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1257884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1258884840aaSJakob Bornecrantz 1259884840aaSJakob Bornecrantz return 0; 1260884840aaSJakob Bornecrantz } 1261884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1262884840aaSJakob Bornecrantz 1263ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1264f453ba04SDave Airlie { 1265f453ba04SDave Airlie uint32_t total_objects = 0; 1266f453ba04SDave Airlie 1267f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1268f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1269f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 12703b336ec4SSean Paul total_objects += dev->mode_config.num_bridge; 1271f453ba04SDave Airlie 1272f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1273f453ba04SDave Airlie if (!group->id_list) 1274f453ba04SDave Airlie return -ENOMEM; 1275f453ba04SDave Airlie 1276f453ba04SDave Airlie group->num_crtcs = 0; 1277f453ba04SDave Airlie group->num_connectors = 0; 1278f453ba04SDave Airlie group->num_encoders = 0; 12793b336ec4SSean Paul group->num_bridges = 0; 1280f453ba04SDave Airlie return 0; 1281f453ba04SDave Airlie } 1282f453ba04SDave Airlie 1283f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1284f453ba04SDave Airlie struct drm_mode_group *group) 1285f453ba04SDave Airlie { 1286f453ba04SDave Airlie struct drm_crtc *crtc; 1287f453ba04SDave Airlie struct drm_encoder *encoder; 1288f453ba04SDave Airlie struct drm_connector *connector; 12893b336ec4SSean Paul struct drm_bridge *bridge; 1290f453ba04SDave Airlie int ret; 1291f453ba04SDave Airlie 1292f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1293f453ba04SDave Airlie return ret; 1294f453ba04SDave Airlie 1295f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1296f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1297f453ba04SDave Airlie 1298f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1299f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1300f453ba04SDave Airlie encoder->base.id; 1301f453ba04SDave Airlie 1302f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1303f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1304f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1305f453ba04SDave Airlie 13063b336ec4SSean Paul list_for_each_entry(bridge, &dev->mode_config.bridge_list, head) 13073b336ec4SSean Paul group->id_list[group->num_crtcs + group->num_encoders + 13083b336ec4SSean Paul group->num_connectors + group->num_bridges++] = 13093b336ec4SSean Paul bridge->base.id; 13103b336ec4SSean Paul 1311f453ba04SDave Airlie return 0; 1312f453ba04SDave Airlie } 13139c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1314f453ba04SDave Airlie 1315f453ba04SDave Airlie /** 1316f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1317f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1318f453ba04SDave Airlie * @in: drm_display_mode to use 1319f453ba04SDave Airlie * 1320f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1321f453ba04SDave Airlie * the user. 1322f453ba04SDave Airlie */ 132393bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 132493bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1325f453ba04SDave Airlie { 1326e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1327e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1328e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1329e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1330e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1331e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1332e36fae38SVille Syrjälä 1333f453ba04SDave Airlie out->clock = in->clock; 1334f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1335f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1336f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1337f453ba04SDave Airlie out->htotal = in->htotal; 1338f453ba04SDave Airlie out->hskew = in->hskew; 1339f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1340f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1341f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1342f453ba04SDave Airlie out->vtotal = in->vtotal; 1343f453ba04SDave Airlie out->vscan = in->vscan; 1344f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1345f453ba04SDave Airlie out->flags = in->flags; 1346f453ba04SDave Airlie out->type = in->type; 1347f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1348f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1349f453ba04SDave Airlie } 1350f453ba04SDave Airlie 1351f453ba04SDave Airlie /** 135274afee7dSMarc-André Lureau * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode 1353f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1354f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1355f453ba04SDave Airlie * 1356f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1357f453ba04SDave Airlie * the caller. 135890367bf6SVille Syrjälä * 135990367bf6SVille Syrjälä * RETURNS: 136090367bf6SVille Syrjälä * Zero on success, errno on failure. 1361f453ba04SDave Airlie */ 136293bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 136393bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1364f453ba04SDave Airlie { 136590367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 136690367bf6SVille Syrjälä return -ERANGE; 136790367bf6SVille Syrjälä 13685848ad40SDamien Lespiau if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) 13695848ad40SDamien Lespiau return -EINVAL; 13705848ad40SDamien Lespiau 1371f453ba04SDave Airlie out->clock = in->clock; 1372f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1373f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1374f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1375f453ba04SDave Airlie out->htotal = in->htotal; 1376f453ba04SDave Airlie out->hskew = in->hskew; 1377f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1378f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1379f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1380f453ba04SDave Airlie out->vtotal = in->vtotal; 1381f453ba04SDave Airlie out->vscan = in->vscan; 1382f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1383f453ba04SDave Airlie out->flags = in->flags; 1384f453ba04SDave Airlie out->type = in->type; 1385f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1386f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 138790367bf6SVille Syrjälä 138890367bf6SVille Syrjälä return 0; 1389f453ba04SDave Airlie } 1390f453ba04SDave Airlie 1391f453ba04SDave Airlie /** 1392f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1393065a50edSDaniel Vetter * @dev: drm device for the ioctl 1394065a50edSDaniel Vetter * @data: data pointer for the ioctl 1395065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1396f453ba04SDave Airlie * 1397f453ba04SDave Airlie * Construct a set of configuration description structures and return 1398f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1399f453ba04SDave Airlie * 1400f453ba04SDave Airlie * Called by the user via ioctl. 1401f453ba04SDave Airlie * 1402f453ba04SDave Airlie * RETURNS: 1403f453ba04SDave Airlie * Zero on success, errno on failure. 1404f453ba04SDave Airlie */ 1405f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1406f453ba04SDave Airlie struct drm_file *file_priv) 1407f453ba04SDave Airlie { 1408f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1409f453ba04SDave Airlie struct list_head *lh; 1410f453ba04SDave Airlie struct drm_framebuffer *fb; 1411f453ba04SDave Airlie struct drm_connector *connector; 1412f453ba04SDave Airlie struct drm_crtc *crtc; 1413f453ba04SDave Airlie struct drm_encoder *encoder; 1414f453ba04SDave Airlie int ret = 0; 1415f453ba04SDave Airlie int connector_count = 0; 1416f453ba04SDave Airlie int crtc_count = 0; 1417f453ba04SDave Airlie int fb_count = 0; 1418f453ba04SDave Airlie int encoder_count = 0; 1419f453ba04SDave Airlie int copied = 0, i; 1420f453ba04SDave Airlie uint32_t __user *fb_id; 1421f453ba04SDave Airlie uint32_t __user *crtc_id; 1422f453ba04SDave Airlie uint32_t __user *connector_id; 1423f453ba04SDave Airlie uint32_t __user *encoder_id; 1424f453ba04SDave Airlie struct drm_mode_group *mode_group; 1425f453ba04SDave Airlie 1426fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1427fb3b06c8SDave Airlie return -EINVAL; 1428fb3b06c8SDave Airlie 1429f453ba04SDave Airlie 14304b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1431f453ba04SDave Airlie /* 1432f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1433f453ba04SDave Airlie * by IDs in the group list for this node 1434f453ba04SDave Airlie */ 1435f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1436f453ba04SDave Airlie fb_count++; 1437f453ba04SDave Airlie 14384b096ac1SDaniel Vetter /* handle this in 4 parts */ 14394b096ac1SDaniel Vetter /* FBs */ 14404b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 14414b096ac1SDaniel Vetter copied = 0; 14424b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 14434b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 14444b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 14454b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 14464b096ac1SDaniel Vetter return -EFAULT; 14474b096ac1SDaniel Vetter } 14484b096ac1SDaniel Vetter copied++; 14494b096ac1SDaniel Vetter } 14504b096ac1SDaniel Vetter } 14514b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 14524b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 14534b096ac1SDaniel Vetter 14544b096ac1SDaniel Vetter drm_modeset_lock_all(dev); 1455f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1456f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1457f453ba04SDave Airlie 1458f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1459f453ba04SDave Airlie crtc_count++; 1460f453ba04SDave Airlie 1461f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1462f453ba04SDave Airlie connector_count++; 1463f453ba04SDave Airlie 1464f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1465f453ba04SDave Airlie encoder_count++; 1466f453ba04SDave Airlie } else { 1467f453ba04SDave Airlie 1468f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1469f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1470f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1471f453ba04SDave Airlie } 1472f453ba04SDave Airlie 1473f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1474f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1475f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1476f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1477f453ba04SDave Airlie 1478f453ba04SDave Airlie /* CRTCs */ 1479f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1480f453ba04SDave Airlie copied = 0; 1481f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1482f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1483f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1484f453ba04SDave Airlie head) { 14859440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1486f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1487f453ba04SDave Airlie ret = -EFAULT; 1488f453ba04SDave Airlie goto out; 1489f453ba04SDave Airlie } 1490f453ba04SDave Airlie copied++; 1491f453ba04SDave Airlie } 1492f453ba04SDave Airlie } else { 1493f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1494f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1495f453ba04SDave Airlie crtc_id + copied)) { 1496f453ba04SDave Airlie ret = -EFAULT; 1497f453ba04SDave Airlie goto out; 1498f453ba04SDave Airlie } 1499f453ba04SDave Airlie copied++; 1500f453ba04SDave Airlie } 1501f453ba04SDave Airlie } 1502f453ba04SDave Airlie } 1503f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1504f453ba04SDave Airlie 1505f453ba04SDave Airlie /* Encoders */ 1506f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1507f453ba04SDave Airlie copied = 0; 1508f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1509f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1510f453ba04SDave Airlie list_for_each_entry(encoder, 1511f453ba04SDave Airlie &dev->mode_config.encoder_list, 1512f453ba04SDave Airlie head) { 15139440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 15149440106bSJerome Glisse drm_get_encoder_name(encoder)); 1515f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1516f453ba04SDave Airlie copied)) { 1517f453ba04SDave Airlie ret = -EFAULT; 1518f453ba04SDave Airlie goto out; 1519f453ba04SDave Airlie } 1520f453ba04SDave Airlie copied++; 1521f453ba04SDave Airlie } 1522f453ba04SDave Airlie } else { 1523f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1524f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1525f453ba04SDave Airlie encoder_id + copied)) { 1526f453ba04SDave Airlie ret = -EFAULT; 1527f453ba04SDave Airlie goto out; 1528f453ba04SDave Airlie } 1529f453ba04SDave Airlie copied++; 1530f453ba04SDave Airlie } 1531f453ba04SDave Airlie 1532f453ba04SDave Airlie } 1533f453ba04SDave Airlie } 1534f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1535f453ba04SDave Airlie 1536f453ba04SDave Airlie /* Connectors */ 1537f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1538f453ba04SDave Airlie copied = 0; 1539f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1540f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1541f453ba04SDave Airlie list_for_each_entry(connector, 1542f453ba04SDave Airlie &dev->mode_config.connector_list, 1543f453ba04SDave Airlie head) { 15449440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 15459440106bSJerome Glisse connector->base.id, 15469440106bSJerome Glisse drm_get_connector_name(connector)); 1547f453ba04SDave Airlie if (put_user(connector->base.id, 1548f453ba04SDave Airlie connector_id + copied)) { 1549f453ba04SDave Airlie ret = -EFAULT; 1550f453ba04SDave Airlie goto out; 1551f453ba04SDave Airlie } 1552f453ba04SDave Airlie copied++; 1553f453ba04SDave Airlie } 1554f453ba04SDave Airlie } else { 1555f453ba04SDave Airlie int start = mode_group->num_crtcs + 1556f453ba04SDave Airlie mode_group->num_encoders; 1557f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1558f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1559f453ba04SDave Airlie connector_id + copied)) { 1560f453ba04SDave Airlie ret = -EFAULT; 1561f453ba04SDave Airlie goto out; 1562f453ba04SDave Airlie } 1563f453ba04SDave Airlie copied++; 1564f453ba04SDave Airlie } 1565f453ba04SDave Airlie } 1566f453ba04SDave Airlie } 1567f453ba04SDave Airlie card_res->count_connectors = connector_count; 1568f453ba04SDave Airlie 15699440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1570f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1571f453ba04SDave Airlie 1572f453ba04SDave Airlie out: 157384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1574f453ba04SDave Airlie return ret; 1575f453ba04SDave Airlie } 1576f453ba04SDave Airlie 1577f453ba04SDave Airlie /** 1578f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1579065a50edSDaniel Vetter * @dev: drm device for the ioctl 1580065a50edSDaniel Vetter * @data: data pointer for the ioctl 1581065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1582f453ba04SDave Airlie * 1583f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1584f453ba04SDave Airlie * 1585f453ba04SDave Airlie * Called by the user via ioctl. 1586f453ba04SDave Airlie * 1587f453ba04SDave Airlie * RETURNS: 1588f453ba04SDave Airlie * Zero on success, errno on failure. 1589f453ba04SDave Airlie */ 1590f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1591f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1592f453ba04SDave Airlie { 1593f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1594f453ba04SDave Airlie struct drm_crtc *crtc; 1595f453ba04SDave Airlie struct drm_mode_object *obj; 1596f453ba04SDave Airlie int ret = 0; 1597f453ba04SDave Airlie 1598fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1599fb3b06c8SDave Airlie return -EINVAL; 1600fb3b06c8SDave Airlie 160184849903SDaniel Vetter drm_modeset_lock_all(dev); 1602f453ba04SDave Airlie 1603f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1604f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1605f453ba04SDave Airlie if (!obj) { 1606f27657f2SVille Syrjälä ret = -ENOENT; 1607f453ba04SDave Airlie goto out; 1608f453ba04SDave Airlie } 1609f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1610f453ba04SDave Airlie 1611f453ba04SDave Airlie crtc_resp->x = crtc->x; 1612f453ba04SDave Airlie crtc_resp->y = crtc->y; 1613f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1614f453ba04SDave Airlie if (crtc->fb) 1615f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1616f453ba04SDave Airlie else 1617f453ba04SDave Airlie crtc_resp->fb_id = 0; 1618f453ba04SDave Airlie 1619f453ba04SDave Airlie if (crtc->enabled) { 1620f453ba04SDave Airlie 1621f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1622f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1623f453ba04SDave Airlie 1624f453ba04SDave Airlie } else { 1625f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1626f453ba04SDave Airlie } 1627f453ba04SDave Airlie 1628f453ba04SDave Airlie out: 162984849903SDaniel Vetter drm_modeset_unlock_all(dev); 1630f453ba04SDave Airlie return ret; 1631f453ba04SDave Airlie } 1632f453ba04SDave Airlie 163361d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 163461d8e328SDamien Lespiau const struct drm_file *file_priv) 163561d8e328SDamien Lespiau { 163661d8e328SDamien Lespiau /* 163761d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 163861d8e328SDamien Lespiau * modes, don't expose them. 163961d8e328SDamien Lespiau */ 164061d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 164161d8e328SDamien Lespiau return false; 164261d8e328SDamien Lespiau 164361d8e328SDamien Lespiau return true; 164461d8e328SDamien Lespiau } 164561d8e328SDamien Lespiau 1646f453ba04SDave Airlie /** 1647f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1648065a50edSDaniel Vetter * @dev: drm device for the ioctl 1649065a50edSDaniel Vetter * @data: data pointer for the ioctl 1650065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1651f453ba04SDave Airlie * 1652f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1653f453ba04SDave Airlie * 1654f453ba04SDave Airlie * Called by the user via ioctl. 1655f453ba04SDave Airlie * 1656f453ba04SDave Airlie * RETURNS: 1657f453ba04SDave Airlie * Zero on success, errno on failure. 1658f453ba04SDave Airlie */ 1659f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1660f453ba04SDave Airlie struct drm_file *file_priv) 1661f453ba04SDave Airlie { 1662f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1663f453ba04SDave Airlie struct drm_mode_object *obj; 1664f453ba04SDave Airlie struct drm_connector *connector; 1665f453ba04SDave Airlie struct drm_display_mode *mode; 1666f453ba04SDave Airlie int mode_count = 0; 1667f453ba04SDave Airlie int props_count = 0; 1668f453ba04SDave Airlie int encoders_count = 0; 1669f453ba04SDave Airlie int ret = 0; 1670f453ba04SDave Airlie int copied = 0; 1671f453ba04SDave Airlie int i; 1672f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1673f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1674f453ba04SDave Airlie uint32_t __user *prop_ptr; 1675f453ba04SDave Airlie uint64_t __user *prop_values; 1676f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1677f453ba04SDave Airlie 1678fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1679fb3b06c8SDave Airlie return -EINVAL; 1680fb3b06c8SDave Airlie 1681f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1682f453ba04SDave Airlie 16839440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1684f453ba04SDave Airlie 16857b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1686f453ba04SDave Airlie 1687f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1688f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1689f453ba04SDave Airlie if (!obj) { 1690f27657f2SVille Syrjälä ret = -ENOENT; 1691f453ba04SDave Airlie goto out; 1692f453ba04SDave Airlie } 1693f453ba04SDave Airlie connector = obj_to_connector(obj); 1694f453ba04SDave Airlie 16957f88a9beSPaulo Zanoni props_count = connector->properties.count; 1696f453ba04SDave Airlie 1697f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1698f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1699f453ba04SDave Airlie encoders_count++; 1700f453ba04SDave Airlie } 1701f453ba04SDave Airlie } 1702f453ba04SDave Airlie 1703f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1704f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1705f453ba04SDave Airlie dev->mode_config.max_width, 1706f453ba04SDave Airlie dev->mode_config.max_height); 1707f453ba04SDave Airlie } 1708f453ba04SDave Airlie 1709f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1710f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 171161d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 1712f453ba04SDave Airlie mode_count++; 1713f453ba04SDave Airlie 1714f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1715f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1716f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1717f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1718f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1719f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1720f453ba04SDave Airlie out_resp->connection = connector->status; 1721f453ba04SDave Airlie if (connector->encoder) 1722f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1723f453ba04SDave Airlie else 1724f453ba04SDave Airlie out_resp->encoder_id = 0; 1725f453ba04SDave Airlie 1726f453ba04SDave Airlie /* 1727f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1728f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1729f453ba04SDave Airlie */ 1730f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1731f453ba04SDave Airlie copied = 0; 173281f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 1733f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 173461d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 173561d8e328SDamien Lespiau continue; 173661d8e328SDamien Lespiau 1737f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1738f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1739f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1740f453ba04SDave Airlie ret = -EFAULT; 1741f453ba04SDave Airlie goto out; 1742f453ba04SDave Airlie } 1743f453ba04SDave Airlie copied++; 1744f453ba04SDave Airlie } 1745f453ba04SDave Airlie } 1746f453ba04SDave Airlie out_resp->count_modes = mode_count; 1747f453ba04SDave Airlie 1748f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1749f453ba04SDave Airlie copied = 0; 175081f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 175181f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 17527f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 17537e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 1754f453ba04SDave Airlie prop_ptr + copied)) { 1755f453ba04SDave Airlie ret = -EFAULT; 1756f453ba04SDave Airlie goto out; 1757f453ba04SDave Airlie } 1758f453ba04SDave Airlie 17597e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 1760f453ba04SDave Airlie prop_values + copied)) { 1761f453ba04SDave Airlie ret = -EFAULT; 1762f453ba04SDave Airlie goto out; 1763f453ba04SDave Airlie } 1764f453ba04SDave Airlie copied++; 1765f453ba04SDave Airlie } 1766f453ba04SDave Airlie } 1767f453ba04SDave Airlie out_resp->count_props = props_count; 1768f453ba04SDave Airlie 1769f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1770f453ba04SDave Airlie copied = 0; 177181f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 1772f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1773f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1774f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1775f453ba04SDave Airlie encoder_ptr + copied)) { 1776f453ba04SDave Airlie ret = -EFAULT; 1777f453ba04SDave Airlie goto out; 1778f453ba04SDave Airlie } 1779f453ba04SDave Airlie copied++; 1780f453ba04SDave Airlie } 1781f453ba04SDave Airlie } 1782f453ba04SDave Airlie } 1783f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1784f453ba04SDave Airlie 1785f453ba04SDave Airlie out: 17867b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 17877b24056bSDaniel Vetter 1788f453ba04SDave Airlie return ret; 1789f453ba04SDave Airlie } 1790f453ba04SDave Airlie 1791f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1792f453ba04SDave Airlie struct drm_file *file_priv) 1793f453ba04SDave Airlie { 1794f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1795f453ba04SDave Airlie struct drm_mode_object *obj; 1796f453ba04SDave Airlie struct drm_encoder *encoder; 1797f453ba04SDave Airlie int ret = 0; 1798f453ba04SDave Airlie 1799fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1800fb3b06c8SDave Airlie return -EINVAL; 1801fb3b06c8SDave Airlie 180284849903SDaniel Vetter drm_modeset_lock_all(dev); 1803f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1804f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1805f453ba04SDave Airlie if (!obj) { 1806f27657f2SVille Syrjälä ret = -ENOENT; 1807f453ba04SDave Airlie goto out; 1808f453ba04SDave Airlie } 1809f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1810f453ba04SDave Airlie 1811f453ba04SDave Airlie if (encoder->crtc) 1812f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1813f453ba04SDave Airlie else 1814f453ba04SDave Airlie enc_resp->crtc_id = 0; 1815f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1816f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1817f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1818f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1819f453ba04SDave Airlie 1820f453ba04SDave Airlie out: 182184849903SDaniel Vetter drm_modeset_unlock_all(dev); 1822f453ba04SDave Airlie return ret; 1823f453ba04SDave Airlie } 1824f453ba04SDave Airlie 1825f453ba04SDave Airlie /** 18268cf5c917SJesse Barnes * drm_mode_getplane_res - get plane info 18278cf5c917SJesse Barnes * @dev: DRM device 18288cf5c917SJesse Barnes * @data: ioctl data 18298cf5c917SJesse Barnes * @file_priv: DRM file info 18308cf5c917SJesse Barnes * 18318cf5c917SJesse Barnes * Return an plane count and set of IDs. 18328cf5c917SJesse Barnes */ 18338cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 18348cf5c917SJesse Barnes struct drm_file *file_priv) 18358cf5c917SJesse Barnes { 18368cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 18378cf5c917SJesse Barnes struct drm_mode_config *config; 18388cf5c917SJesse Barnes struct drm_plane *plane; 18398cf5c917SJesse Barnes uint32_t __user *plane_ptr; 18408cf5c917SJesse Barnes int copied = 0, ret = 0; 18418cf5c917SJesse Barnes 18428cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 18438cf5c917SJesse Barnes return -EINVAL; 18448cf5c917SJesse Barnes 184584849903SDaniel Vetter drm_modeset_lock_all(dev); 18468cf5c917SJesse Barnes config = &dev->mode_config; 18478cf5c917SJesse Barnes 18488cf5c917SJesse Barnes /* 18498cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 18508cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 18518cf5c917SJesse Barnes */ 18528cf5c917SJesse Barnes if (config->num_plane && 18538cf5c917SJesse Barnes (plane_resp->count_planes >= config->num_plane)) { 185481f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 18558cf5c917SJesse Barnes 18568cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 18578cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 18588cf5c917SJesse Barnes ret = -EFAULT; 18598cf5c917SJesse Barnes goto out; 18608cf5c917SJesse Barnes } 18618cf5c917SJesse Barnes copied++; 18628cf5c917SJesse Barnes } 18638cf5c917SJesse Barnes } 18648cf5c917SJesse Barnes plane_resp->count_planes = config->num_plane; 18658cf5c917SJesse Barnes 18668cf5c917SJesse Barnes out: 186784849903SDaniel Vetter drm_modeset_unlock_all(dev); 18688cf5c917SJesse Barnes return ret; 18698cf5c917SJesse Barnes } 18708cf5c917SJesse Barnes 18718cf5c917SJesse Barnes /** 18728cf5c917SJesse Barnes * drm_mode_getplane - get plane info 18738cf5c917SJesse Barnes * @dev: DRM device 18748cf5c917SJesse Barnes * @data: ioctl data 18758cf5c917SJesse Barnes * @file_priv: DRM file info 18768cf5c917SJesse Barnes * 18778cf5c917SJesse Barnes * Return plane info, including formats supported, gamma size, any 18788cf5c917SJesse Barnes * current fb, etc. 18798cf5c917SJesse Barnes */ 18808cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 18818cf5c917SJesse Barnes struct drm_file *file_priv) 18828cf5c917SJesse Barnes { 18838cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 18848cf5c917SJesse Barnes struct drm_mode_object *obj; 18858cf5c917SJesse Barnes struct drm_plane *plane; 18868cf5c917SJesse Barnes uint32_t __user *format_ptr; 18878cf5c917SJesse Barnes int ret = 0; 18888cf5c917SJesse Barnes 18898cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 18908cf5c917SJesse Barnes return -EINVAL; 18918cf5c917SJesse Barnes 189284849903SDaniel Vetter drm_modeset_lock_all(dev); 18938cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_resp->plane_id, 18948cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 18958cf5c917SJesse Barnes if (!obj) { 18968cf5c917SJesse Barnes ret = -ENOENT; 18978cf5c917SJesse Barnes goto out; 18988cf5c917SJesse Barnes } 18998cf5c917SJesse Barnes plane = obj_to_plane(obj); 19008cf5c917SJesse Barnes 19018cf5c917SJesse Barnes if (plane->crtc) 19028cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 19038cf5c917SJesse Barnes else 19048cf5c917SJesse Barnes plane_resp->crtc_id = 0; 19058cf5c917SJesse Barnes 19068cf5c917SJesse Barnes if (plane->fb) 19078cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 19088cf5c917SJesse Barnes else 19098cf5c917SJesse Barnes plane_resp->fb_id = 0; 19108cf5c917SJesse Barnes 19118cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 19128cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 1913778ad903SVille Syrjälä plane_resp->gamma_size = 0; 19148cf5c917SJesse Barnes 19158cf5c917SJesse Barnes /* 19168cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 19178cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 19188cf5c917SJesse Barnes */ 19198cf5c917SJesse Barnes if (plane->format_count && 19208cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 192181f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 19228cf5c917SJesse Barnes if (copy_to_user(format_ptr, 19238cf5c917SJesse Barnes plane->format_types, 19248cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 19258cf5c917SJesse Barnes ret = -EFAULT; 19268cf5c917SJesse Barnes goto out; 19278cf5c917SJesse Barnes } 19288cf5c917SJesse Barnes } 19298cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 19308cf5c917SJesse Barnes 19318cf5c917SJesse Barnes out: 193284849903SDaniel Vetter drm_modeset_unlock_all(dev); 19338cf5c917SJesse Barnes return ret; 19348cf5c917SJesse Barnes } 19358cf5c917SJesse Barnes 19368cf5c917SJesse Barnes /** 19378cf5c917SJesse Barnes * drm_mode_setplane - set up or tear down an plane 19388cf5c917SJesse Barnes * @dev: DRM device 19398cf5c917SJesse Barnes * @data: ioctl data* 1940065a50edSDaniel Vetter * @file_priv: DRM file info 19418cf5c917SJesse Barnes * 19428cf5c917SJesse Barnes * Set plane info, including placement, fb, scaling, and other factors. 19438cf5c917SJesse Barnes * Or pass a NULL fb to disable. 19448cf5c917SJesse Barnes */ 19458cf5c917SJesse Barnes int drm_mode_setplane(struct drm_device *dev, void *data, 19468cf5c917SJesse Barnes struct drm_file *file_priv) 19478cf5c917SJesse Barnes { 19488cf5c917SJesse Barnes struct drm_mode_set_plane *plane_req = data; 19498cf5c917SJesse Barnes struct drm_mode_object *obj; 19508cf5c917SJesse Barnes struct drm_plane *plane; 19518cf5c917SJesse Barnes struct drm_crtc *crtc; 19526c2a7532SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 19538cf5c917SJesse Barnes int ret = 0; 195442ef8789SVille Syrjälä unsigned int fb_width, fb_height; 195562443be6SVille Syrjälä int i; 19568cf5c917SJesse Barnes 19578cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 19588cf5c917SJesse Barnes return -EINVAL; 19598cf5c917SJesse Barnes 19608cf5c917SJesse Barnes /* 19618cf5c917SJesse Barnes * First, find the plane, crtc, and fb objects. If not available, 19628cf5c917SJesse Barnes * we don't bother to call the driver. 19638cf5c917SJesse Barnes */ 19648cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->plane_id, 19658cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 19668cf5c917SJesse Barnes if (!obj) { 19678cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown plane ID %d\n", 19688cf5c917SJesse Barnes plane_req->plane_id); 19696c2a7532SDaniel Vetter return -ENOENT; 19708cf5c917SJesse Barnes } 19718cf5c917SJesse Barnes plane = obj_to_plane(obj); 19728cf5c917SJesse Barnes 19738cf5c917SJesse Barnes /* No fb means shut it down */ 19748cf5c917SJesse Barnes if (!plane_req->fb_id) { 19756c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 19766c2a7532SDaniel Vetter old_fb = plane->fb; 19778cf5c917SJesse Barnes plane->funcs->disable_plane(plane); 1978e5e3b44cSVille Syrjälä plane->crtc = NULL; 1979e5e3b44cSVille Syrjälä plane->fb = NULL; 19806c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 19818cf5c917SJesse Barnes goto out; 19828cf5c917SJesse Barnes } 19838cf5c917SJesse Barnes 19848cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->crtc_id, 19858cf5c917SJesse Barnes DRM_MODE_OBJECT_CRTC); 19868cf5c917SJesse Barnes if (!obj) { 19878cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown crtc ID %d\n", 19888cf5c917SJesse Barnes plane_req->crtc_id); 19898cf5c917SJesse Barnes ret = -ENOENT; 19908cf5c917SJesse Barnes goto out; 19918cf5c917SJesse Barnes } 19928cf5c917SJesse Barnes crtc = obj_to_crtc(obj); 19938cf5c917SJesse Barnes 1994786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 1995786b99edSDaniel Vetter if (!fb) { 19968cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 19978cf5c917SJesse Barnes plane_req->fb_id); 19988cf5c917SJesse Barnes ret = -ENOENT; 19998cf5c917SJesse Barnes goto out; 20008cf5c917SJesse Barnes } 20018cf5c917SJesse Barnes 200262443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 200362443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 200462443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 200562443be6SVille Syrjälä break; 200662443be6SVille Syrjälä if (i == plane->format_count) { 20076ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 20086ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 200962443be6SVille Syrjälä ret = -EINVAL; 201062443be6SVille Syrjälä goto out; 201162443be6SVille Syrjälä } 201262443be6SVille Syrjälä 201342ef8789SVille Syrjälä fb_width = fb->width << 16; 201442ef8789SVille Syrjälä fb_height = fb->height << 16; 201542ef8789SVille Syrjälä 201642ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 201742ef8789SVille Syrjälä if (plane_req->src_w > fb_width || 201842ef8789SVille Syrjälä plane_req->src_x > fb_width - plane_req->src_w || 201942ef8789SVille Syrjälä plane_req->src_h > fb_height || 202042ef8789SVille Syrjälä plane_req->src_y > fb_height - plane_req->src_h) { 202142ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 202242ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 202342ef8789SVille Syrjälä plane_req->src_w >> 16, 202442ef8789SVille Syrjälä ((plane_req->src_w & 0xffff) * 15625) >> 10, 202542ef8789SVille Syrjälä plane_req->src_h >> 16, 202642ef8789SVille Syrjälä ((plane_req->src_h & 0xffff) * 15625) >> 10, 202742ef8789SVille Syrjälä plane_req->src_x >> 16, 202842ef8789SVille Syrjälä ((plane_req->src_x & 0xffff) * 15625) >> 10, 202942ef8789SVille Syrjälä plane_req->src_y >> 16, 203042ef8789SVille Syrjälä ((plane_req->src_y & 0xffff) * 15625) >> 10); 203142ef8789SVille Syrjälä ret = -ENOSPC; 203242ef8789SVille Syrjälä goto out; 203342ef8789SVille Syrjälä } 203442ef8789SVille Syrjälä 2035687a0400SVille Syrjälä /* Give drivers some help against integer overflows */ 2036687a0400SVille Syrjälä if (plane_req->crtc_w > INT_MAX || 2037687a0400SVille Syrjälä plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 2038687a0400SVille Syrjälä plane_req->crtc_h > INT_MAX || 2039687a0400SVille Syrjälä plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 2040687a0400SVille Syrjälä DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 2041687a0400SVille Syrjälä plane_req->crtc_w, plane_req->crtc_h, 2042687a0400SVille Syrjälä plane_req->crtc_x, plane_req->crtc_y); 2043687a0400SVille Syrjälä ret = -ERANGE; 2044687a0400SVille Syrjälä goto out; 2045687a0400SVille Syrjälä } 2046687a0400SVille Syrjälä 20476c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 20488cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 20498cf5c917SJesse Barnes plane_req->crtc_x, plane_req->crtc_y, 20508cf5c917SJesse Barnes plane_req->crtc_w, plane_req->crtc_h, 20518cf5c917SJesse Barnes plane_req->src_x, plane_req->src_y, 20528cf5c917SJesse Barnes plane_req->src_w, plane_req->src_h); 20538cf5c917SJesse Barnes if (!ret) { 20546c2a7532SDaniel Vetter old_fb = plane->fb; 20558cf5c917SJesse Barnes plane->crtc = crtc; 20568cf5c917SJesse Barnes plane->fb = fb; 205735f8badcSDaniel Vetter fb = NULL; 20588cf5c917SJesse Barnes } 20596c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 20608cf5c917SJesse Barnes 20618cf5c917SJesse Barnes out: 20626c2a7532SDaniel Vetter if (fb) 20636c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 20646c2a7532SDaniel Vetter if (old_fb) 20656c2a7532SDaniel Vetter drm_framebuffer_unreference(old_fb); 20668cf5c917SJesse Barnes 20678cf5c917SJesse Barnes return ret; 20688cf5c917SJesse Barnes } 20698cf5c917SJesse Barnes 20708cf5c917SJesse Barnes /** 20712d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 20722d13b679SDaniel Vetter * @set: modeset config to set 20732d13b679SDaniel Vetter * 20742d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 20752d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 20762d13b679SDaniel Vetter */ 20772d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 20782d13b679SDaniel Vetter { 20792d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 20805cef29aaSDaniel Vetter struct drm_framebuffer *fb; 20815cef29aaSDaniel Vetter struct drm_crtc *tmp; 2082b0d12325SDaniel Vetter int ret; 20832d13b679SDaniel Vetter 20845cef29aaSDaniel Vetter /* 20855cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 20865cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 20875cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 20885cef29aaSDaniel Vetter */ 20895cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) 20905cef29aaSDaniel Vetter tmp->old_fb = tmp->fb; 20915cef29aaSDaniel Vetter 2092b0d12325SDaniel Vetter fb = set->fb; 2093b0d12325SDaniel Vetter 2094b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2095b0d12325SDaniel Vetter if (ret == 0) { 2096cc85e121SDaniel Vetter /* crtc->fb must be updated by ->set_config, enforces this. */ 2097cc85e121SDaniel Vetter WARN_ON(fb != crtc->fb); 20985cef29aaSDaniel Vetter } 2099cc85e121SDaniel Vetter 21005cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 21015cef29aaSDaniel Vetter if (tmp->fb) 21025cef29aaSDaniel Vetter drm_framebuffer_reference(tmp->fb); 21035cef29aaSDaniel Vetter if (tmp->old_fb) 21045cef29aaSDaniel Vetter drm_framebuffer_unreference(tmp->old_fb); 2105b0d12325SDaniel Vetter } 2106b0d12325SDaniel Vetter 2107b0d12325SDaniel Vetter return ret; 21082d13b679SDaniel Vetter } 21092d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 21102d13b679SDaniel Vetter 2111c11e9283SDamien Lespiau /* 2112c11e9283SDamien Lespiau * Checks that the framebuffer is big enough for the CRTC viewport 2113c11e9283SDamien Lespiau * (x, y, hdisplay, vdisplay) 2114c11e9283SDamien Lespiau */ 2115c11e9283SDamien Lespiau static int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2116c11e9283SDamien Lespiau int x, int y, 2117c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2118c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2119c11e9283SDamien Lespiau 2120c11e9283SDamien Lespiau { 2121c11e9283SDamien Lespiau int hdisplay, vdisplay; 2122c11e9283SDamien Lespiau 2123c11e9283SDamien Lespiau hdisplay = mode->hdisplay; 2124c11e9283SDamien Lespiau vdisplay = mode->vdisplay; 2125c11e9283SDamien Lespiau 2126a0c1bbb0SDamien Lespiau if (drm_mode_is_stereo(mode)) { 2127a0c1bbb0SDamien Lespiau struct drm_display_mode adjusted = *mode; 2128a0c1bbb0SDamien Lespiau 2129a0c1bbb0SDamien Lespiau drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE); 2130a0c1bbb0SDamien Lespiau hdisplay = adjusted.crtc_hdisplay; 2131a0c1bbb0SDamien Lespiau vdisplay = adjusted.crtc_vdisplay; 2132a0c1bbb0SDamien Lespiau } 2133a0c1bbb0SDamien Lespiau 2134c11e9283SDamien Lespiau if (crtc->invert_dimensions) 2135c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2136c11e9283SDamien Lespiau 2137c11e9283SDamien Lespiau if (hdisplay > fb->width || 2138c11e9283SDamien Lespiau vdisplay > fb->height || 2139c11e9283SDamien Lespiau x > fb->width - hdisplay || 2140c11e9283SDamien Lespiau y > fb->height - vdisplay) { 2141c11e9283SDamien Lespiau DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 2142c11e9283SDamien Lespiau fb->width, fb->height, hdisplay, vdisplay, x, y, 2143c11e9283SDamien Lespiau crtc->invert_dimensions ? " (inverted)" : ""); 2144c11e9283SDamien Lespiau return -ENOSPC; 2145c11e9283SDamien Lespiau } 2146c11e9283SDamien Lespiau 2147c11e9283SDamien Lespiau return 0; 2148c11e9283SDamien Lespiau } 2149c11e9283SDamien Lespiau 21502d13b679SDaniel Vetter /** 2151f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2152065a50edSDaniel Vetter * @dev: drm device for the ioctl 2153065a50edSDaniel Vetter * @data: data pointer for the ioctl 2154065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2155f453ba04SDave Airlie * 2156f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2157f453ba04SDave Airlie * 2158f453ba04SDave Airlie * Called by the user via ioctl. 2159f453ba04SDave Airlie * 2160f453ba04SDave Airlie * RETURNS: 2161f453ba04SDave Airlie * Zero on success, errno on failure. 2162f453ba04SDave Airlie */ 2163f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2164f453ba04SDave Airlie struct drm_file *file_priv) 2165f453ba04SDave Airlie { 2166f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2167f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 2168f453ba04SDave Airlie struct drm_mode_object *obj; 21696653cc8dSVille Syrjälä struct drm_crtc *crtc; 2170f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2171f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2172f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2173f453ba04SDave Airlie struct drm_mode_set set; 2174f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 21754a1b0714SLaurent Pinchart int ret; 2176f453ba04SDave Airlie int i; 2177f453ba04SDave Airlie 2178fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2179fb3b06c8SDave Airlie return -EINVAL; 2180fb3b06c8SDave Airlie 21811d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 21821d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 21831d97e915SVille Syrjälä return -ERANGE; 21841d97e915SVille Syrjälä 218584849903SDaniel Vetter drm_modeset_lock_all(dev); 2186f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 2187f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 2188f453ba04SDave Airlie if (!obj) { 218958367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2190f27657f2SVille Syrjälä ret = -ENOENT; 2191f453ba04SDave Airlie goto out; 2192f453ba04SDave Airlie } 2193f453ba04SDave Airlie crtc = obj_to_crtc(obj); 21949440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 2195f453ba04SDave Airlie 2196f453ba04SDave Airlie if (crtc_req->mode_valid) { 2197f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2198f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2199f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 22006653cc8dSVille Syrjälä if (!crtc->fb) { 22016653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 22026653cc8dSVille Syrjälä ret = -EINVAL; 22036653cc8dSVille Syrjälä goto out; 22046653cc8dSVille Syrjälä } 2205f453ba04SDave Airlie fb = crtc->fb; 2206b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2207b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2208f453ba04SDave Airlie } else { 2209786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2210786b99edSDaniel Vetter if (!fb) { 221158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 221258367ed6SZhao Yakui crtc_req->fb_id); 221337c4e705SVille Syrjälä ret = -ENOENT; 2214f453ba04SDave Airlie goto out; 2215f453ba04SDave Airlie } 2216f453ba04SDave Airlie } 2217f453ba04SDave Airlie 2218f453ba04SDave Airlie mode = drm_mode_create(dev); 2219ee34ab5bSVille Syrjälä if (!mode) { 2220ee34ab5bSVille Syrjälä ret = -ENOMEM; 2221ee34ab5bSVille Syrjälä goto out; 2222ee34ab5bSVille Syrjälä } 2223ee34ab5bSVille Syrjälä 222490367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 222590367bf6SVille Syrjälä if (ret) { 222690367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 222790367bf6SVille Syrjälä goto out; 222890367bf6SVille Syrjälä } 222990367bf6SVille Syrjälä 2230f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 22315f61bb42SVille Syrjälä 2232c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2233c11e9283SDamien Lespiau mode, fb); 2234c11e9283SDamien Lespiau if (ret) 22355f61bb42SVille Syrjälä goto out; 2236c11e9283SDamien Lespiau 2237f453ba04SDave Airlie } 2238f453ba04SDave Airlie 2239f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 224058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2241f453ba04SDave Airlie ret = -EINVAL; 2242f453ba04SDave Airlie goto out; 2243f453ba04SDave Airlie } 2244f453ba04SDave Airlie 22457781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 224658367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2247f453ba04SDave Airlie crtc_req->count_connectors); 2248f453ba04SDave Airlie ret = -EINVAL; 2249f453ba04SDave Airlie goto out; 2250f453ba04SDave Airlie } 2251f453ba04SDave Airlie 2252f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2253f453ba04SDave Airlie u32 out_id; 2254f453ba04SDave Airlie 2255f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2256f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2257f453ba04SDave Airlie ret = -EINVAL; 2258f453ba04SDave Airlie goto out; 2259f453ba04SDave Airlie } 2260f453ba04SDave Airlie 2261f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 2262f453ba04SDave Airlie sizeof(struct drm_connector *), 2263f453ba04SDave Airlie GFP_KERNEL); 2264f453ba04SDave Airlie if (!connector_set) { 2265f453ba04SDave Airlie ret = -ENOMEM; 2266f453ba04SDave Airlie goto out; 2267f453ba04SDave Airlie } 2268f453ba04SDave Airlie 2269f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 227081f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2271f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2272f453ba04SDave Airlie ret = -EFAULT; 2273f453ba04SDave Airlie goto out; 2274f453ba04SDave Airlie } 2275f453ba04SDave Airlie 2276f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 2277f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 2278f453ba04SDave Airlie if (!obj) { 227958367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 228058367ed6SZhao Yakui out_id); 2281f27657f2SVille Syrjälä ret = -ENOENT; 2282f453ba04SDave Airlie goto out; 2283f453ba04SDave Airlie } 2284f453ba04SDave Airlie connector = obj_to_connector(obj); 22859440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 22869440106bSJerome Glisse connector->base.id, 22879440106bSJerome Glisse drm_get_connector_name(connector)); 2288f453ba04SDave Airlie 2289f453ba04SDave Airlie connector_set[i] = connector; 2290f453ba04SDave Airlie } 2291f453ba04SDave Airlie } 2292f453ba04SDave Airlie 2293f453ba04SDave Airlie set.crtc = crtc; 2294f453ba04SDave Airlie set.x = crtc_req->x; 2295f453ba04SDave Airlie set.y = crtc_req->y; 2296f453ba04SDave Airlie set.mode = mode; 2297f453ba04SDave Airlie set.connectors = connector_set; 2298f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2299f453ba04SDave Airlie set.fb = fb; 23002d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2301f453ba04SDave Airlie 2302f453ba04SDave Airlie out: 2303b0d12325SDaniel Vetter if (fb) 2304b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2305b0d12325SDaniel Vetter 2306f453ba04SDave Airlie kfree(connector_set); 2307ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 230884849903SDaniel Vetter drm_modeset_unlock_all(dev); 2309f453ba04SDave Airlie return ret; 2310f453ba04SDave Airlie } 2311f453ba04SDave Airlie 23124c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 23134c813d4dSDave Airlie struct drm_mode_cursor2 *req, 23144c813d4dSDave Airlie struct drm_file *file_priv) 2315f453ba04SDave Airlie { 2316f453ba04SDave Airlie struct drm_mode_object *obj; 2317f453ba04SDave Airlie struct drm_crtc *crtc; 2318f453ba04SDave Airlie int ret = 0; 2319f453ba04SDave Airlie 2320fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2321fb3b06c8SDave Airlie return -EINVAL; 2322fb3b06c8SDave Airlie 23237c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2324f453ba04SDave Airlie return -EINVAL; 2325f453ba04SDave Airlie 2326e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 2327f453ba04SDave Airlie if (!obj) { 232858367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2329f27657f2SVille Syrjälä return -ENOENT; 2330f453ba04SDave Airlie } 2331f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2332f453ba04SDave Airlie 2333dac35663SDaniel Vetter mutex_lock(&crtc->mutex); 2334f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 23354c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 2336f453ba04SDave Airlie ret = -ENXIO; 2337f453ba04SDave Airlie goto out; 2338f453ba04SDave Airlie } 2339f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 23404c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 23414c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 23424c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 23434c813d4dSDave Airlie else 2344f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2345f453ba04SDave Airlie req->width, req->height); 2346f453ba04SDave Airlie } 2347f453ba04SDave Airlie 2348f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2349f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2350f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2351f453ba04SDave Airlie } else { 2352f453ba04SDave Airlie ret = -EFAULT; 2353f453ba04SDave Airlie goto out; 2354f453ba04SDave Airlie } 2355f453ba04SDave Airlie } 2356f453ba04SDave Airlie out: 2357dac35663SDaniel Vetter mutex_unlock(&crtc->mutex); 2358dac35663SDaniel Vetter 2359f453ba04SDave Airlie return ret; 23604c813d4dSDave Airlie 23614c813d4dSDave Airlie } 23624c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 23634c813d4dSDave Airlie void *data, struct drm_file *file_priv) 23644c813d4dSDave Airlie { 23654c813d4dSDave Airlie struct drm_mode_cursor *req = data; 23664c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 23674c813d4dSDave Airlie 23684c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 23694c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 23704c813d4dSDave Airlie 23714c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 23724c813d4dSDave Airlie } 23734c813d4dSDave Airlie 23744c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 23754c813d4dSDave Airlie void *data, struct drm_file *file_priv) 23764c813d4dSDave Airlie { 23774c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 23784c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 2379f453ba04SDave Airlie } 2380f453ba04SDave Airlie 2381308e5bcbSJesse Barnes /* Original addfb only supported RGB formats, so figure out which one */ 2382308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2383308e5bcbSJesse Barnes { 2384308e5bcbSJesse Barnes uint32_t fmt; 2385308e5bcbSJesse Barnes 2386308e5bcbSJesse Barnes switch (bpp) { 2387308e5bcbSJesse Barnes case 8: 2388d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 2389308e5bcbSJesse Barnes break; 2390308e5bcbSJesse Barnes case 16: 2391308e5bcbSJesse Barnes if (depth == 15) 239204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2393308e5bcbSJesse Barnes else 239404b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2395308e5bcbSJesse Barnes break; 2396308e5bcbSJesse Barnes case 24: 239704b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2398308e5bcbSJesse Barnes break; 2399308e5bcbSJesse Barnes case 32: 2400308e5bcbSJesse Barnes if (depth == 24) 240104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2402308e5bcbSJesse Barnes else if (depth == 30) 240304b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2404308e5bcbSJesse Barnes else 240504b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2406308e5bcbSJesse Barnes break; 2407308e5bcbSJesse Barnes default: 240804b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 240904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2410308e5bcbSJesse Barnes break; 2411308e5bcbSJesse Barnes } 2412308e5bcbSJesse Barnes 2413308e5bcbSJesse Barnes return fmt; 2414308e5bcbSJesse Barnes } 2415308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2416308e5bcbSJesse Barnes 2417f453ba04SDave Airlie /** 2418f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2419065a50edSDaniel Vetter * @dev: drm device for the ioctl 2420065a50edSDaniel Vetter * @data: data pointer for the ioctl 2421065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2422f453ba04SDave Airlie * 2423f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 2424f453ba04SDave Airlie * 2425f453ba04SDave Airlie * Called by the user via ioctl. 2426f453ba04SDave Airlie * 2427f453ba04SDave Airlie * RETURNS: 2428f453ba04SDave Airlie * Zero on success, errno on failure. 2429f453ba04SDave Airlie */ 2430f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2431f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2432f453ba04SDave Airlie { 2433308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2434308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2435308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2436308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2437308e5bcbSJesse Barnes int ret = 0; 2438308e5bcbSJesse Barnes 2439308e5bcbSJesse Barnes /* Use new struct with format internally */ 2440308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2441308e5bcbSJesse Barnes r.width = or->width; 2442308e5bcbSJesse Barnes r.height = or->height; 2443308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2444308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2445308e5bcbSJesse Barnes r.handles[0] = or->handle; 2446308e5bcbSJesse Barnes 2447308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2448308e5bcbSJesse Barnes return -EINVAL; 2449308e5bcbSJesse Barnes 2450acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2451308e5bcbSJesse Barnes return -EINVAL; 2452acb4b992SJesse Barnes 2453acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2454308e5bcbSJesse Barnes return -EINVAL; 2455308e5bcbSJesse Barnes 2456308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2457308e5bcbSJesse Barnes if (IS_ERR(fb)) { 24581aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 24594b096ac1SDaniel Vetter return PTR_ERR(fb); 2460308e5bcbSJesse Barnes } 2461308e5bcbSJesse Barnes 24624b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2463308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2464308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2465308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 24664b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 24674b096ac1SDaniel Vetter 2468308e5bcbSJesse Barnes return ret; 2469308e5bcbSJesse Barnes } 2470308e5bcbSJesse Barnes 2471cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2472935b5977SVille Syrjälä { 2473935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2474935b5977SVille Syrjälä 2475935b5977SVille Syrjälä switch (format) { 2476935b5977SVille Syrjälä case DRM_FORMAT_C8: 2477935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2478935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2479935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2480935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2481935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2482935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2483935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2484935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2485935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2486935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2487935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2488935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2489935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 2490935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 2491935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 2492935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 2493935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 2494935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 2495935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 2496935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 2497935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 2498935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 2499935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 2500935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 2501935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 2502935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 2503935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 2504935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 2505935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 2506935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 2507935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 2508935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 2509935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 2510935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 2511935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 2512935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 2513935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 2514935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 2515935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 2516935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 2517935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 2518935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 2519935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 2520935b5977SVille Syrjälä case DRM_FORMAT_NV12: 2521935b5977SVille Syrjälä case DRM_FORMAT_NV21: 2522935b5977SVille Syrjälä case DRM_FORMAT_NV16: 2523935b5977SVille Syrjälä case DRM_FORMAT_NV61: 2524ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 2525ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 2526935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 2527935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 2528935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 2529935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 2530935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 2531935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 2532935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 2533935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 2534935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 2535935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 2536935b5977SVille Syrjälä return 0; 2537935b5977SVille Syrjälä default: 253823c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 253923c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 2540935b5977SVille Syrjälä return -EINVAL; 2541935b5977SVille Syrjälä } 2542935b5977SVille Syrjälä } 2543935b5977SVille Syrjälä 2544cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 2545d1b45d5fSVille Syrjälä { 2546d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 2547d1b45d5fSVille Syrjälä 2548d1b45d5fSVille Syrjälä ret = format_check(r); 2549d1b45d5fSVille Syrjälä if (ret) { 25506ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 25516ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 2552d1b45d5fSVille Syrjälä return ret; 2553d1b45d5fSVille Syrjälä } 2554d1b45d5fSVille Syrjälä 2555d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 2556d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 2557d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 2558d1b45d5fSVille Syrjälä 2559d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 25601aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 2561d1b45d5fSVille Syrjälä return -EINVAL; 2562d1b45d5fSVille Syrjälä } 2563d1b45d5fSVille Syrjälä 2564d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 25651aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 2566d1b45d5fSVille Syrjälä return -EINVAL; 2567d1b45d5fSVille Syrjälä } 2568d1b45d5fSVille Syrjälä 2569d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 2570d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 2571b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 2572b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 2573d1b45d5fSVille Syrjälä 2574d1b45d5fSVille Syrjälä if (!r->handles[i]) { 25751aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 2576d1b45d5fSVille Syrjälä return -EINVAL; 2577d1b45d5fSVille Syrjälä } 2578d1b45d5fSVille Syrjälä 2579b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 2580b180b5d1SVille Syrjälä return -ERANGE; 2581b180b5d1SVille Syrjälä 2582b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 2583b180b5d1SVille Syrjälä return -ERANGE; 2584b180b5d1SVille Syrjälä 2585b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 25861aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 2587d1b45d5fSVille Syrjälä return -EINVAL; 2588d1b45d5fSVille Syrjälä } 2589d1b45d5fSVille Syrjälä } 2590d1b45d5fSVille Syrjälä 2591d1b45d5fSVille Syrjälä return 0; 2592d1b45d5fSVille Syrjälä } 2593d1b45d5fSVille Syrjälä 2594308e5bcbSJesse Barnes /** 2595308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 2596065a50edSDaniel Vetter * @dev: drm device for the ioctl 2597065a50edSDaniel Vetter * @data: data pointer for the ioctl 2598065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2599308e5bcbSJesse Barnes * 2600308e5bcbSJesse Barnes * Add a new FB to the specified CRTC, given a user request with format. 2601308e5bcbSJesse Barnes * 2602308e5bcbSJesse Barnes * Called by the user via ioctl. 2603308e5bcbSJesse Barnes * 2604308e5bcbSJesse Barnes * RETURNS: 2605308e5bcbSJesse Barnes * Zero on success, errno on failure. 2606308e5bcbSJesse Barnes */ 2607308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 2608308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 2609308e5bcbSJesse Barnes { 2610308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 *r = data; 2611f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2612f453ba04SDave Airlie struct drm_framebuffer *fb; 26134a1b0714SLaurent Pinchart int ret; 2614f453ba04SDave Airlie 2615fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2616fb3b06c8SDave Airlie return -EINVAL; 2617fb3b06c8SDave Airlie 2618e3cc3520SVille Syrjälä if (r->flags & ~DRM_MODE_FB_INTERLACED) { 2619e3cc3520SVille Syrjälä DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 2620e3cc3520SVille Syrjälä return -EINVAL; 2621e3cc3520SVille Syrjälä } 2622e3cc3520SVille Syrjälä 2623f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 26241aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 26258cf5c917SJesse Barnes r->width, config->min_width, config->max_width); 2626f453ba04SDave Airlie return -EINVAL; 2627f453ba04SDave Airlie } 2628f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 26291aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 26308cf5c917SJesse Barnes r->height, config->min_height, config->max_height); 2631f453ba04SDave Airlie return -EINVAL; 2632f453ba04SDave Airlie } 2633f453ba04SDave Airlie 2634d1b45d5fSVille Syrjälä ret = framebuffer_check(r); 2635d1b45d5fSVille Syrjälä if (ret) 2636935b5977SVille Syrjälä return ret; 2637935b5977SVille Syrjälä 2638f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 2639cce13ff7SChris Wilson if (IS_ERR(fb)) { 26401aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 26414b096ac1SDaniel Vetter return PTR_ERR(fb); 2642f453ba04SDave Airlie } 2643f453ba04SDave Airlie 26444b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2645e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 2646f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 26479440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 26484b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2649f453ba04SDave Airlie 26504b096ac1SDaniel Vetter 2651f453ba04SDave Airlie return ret; 2652f453ba04SDave Airlie } 2653f453ba04SDave Airlie 2654f453ba04SDave Airlie /** 2655f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 2656065a50edSDaniel Vetter * @dev: drm device for the ioctl 2657065a50edSDaniel Vetter * @data: data pointer for the ioctl 2658065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2659f453ba04SDave Airlie * 2660f453ba04SDave Airlie * Remove the FB specified by the user. 2661f453ba04SDave Airlie * 2662f453ba04SDave Airlie * Called by the user via ioctl. 2663f453ba04SDave Airlie * 2664f453ba04SDave Airlie * RETURNS: 2665f453ba04SDave Airlie * Zero on success, errno on failure. 2666f453ba04SDave Airlie */ 2667f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 2668f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2669f453ba04SDave Airlie { 2670f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2671f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 2672f453ba04SDave Airlie uint32_t *id = data; 2673f453ba04SDave Airlie int found = 0; 2674f453ba04SDave Airlie 2675fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2676fb3b06c8SDave Airlie return -EINVAL; 2677fb3b06c8SDave Airlie 26784b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 26792b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 26802b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 26812b677e8cSDaniel Vetter if (!fb) 26822b677e8cSDaniel Vetter goto fail_lookup; 26832b677e8cSDaniel Vetter 2684f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2685f453ba04SDave Airlie if (fb == fbl) 2686f453ba04SDave Airlie found = 1; 26872b677e8cSDaniel Vetter if (!found) 26882b677e8cSDaniel Vetter goto fail_lookup; 26892b677e8cSDaniel Vetter 26902b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 26912b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 2692f453ba04SDave Airlie 26934b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 26942b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 26954b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2696f453ba04SDave Airlie 26974b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 26984b096ac1SDaniel Vetter 26992b677e8cSDaniel Vetter return 0; 27002b677e8cSDaniel Vetter 27012b677e8cSDaniel Vetter fail_lookup: 27022b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 27032b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 27042b677e8cSDaniel Vetter 270537c4e705SVille Syrjälä return -ENOENT; 2706f453ba04SDave Airlie } 2707f453ba04SDave Airlie 2708f453ba04SDave Airlie /** 2709f453ba04SDave Airlie * drm_mode_getfb - get FB info 2710065a50edSDaniel Vetter * @dev: drm device for the ioctl 2711065a50edSDaniel Vetter * @data: data pointer for the ioctl 2712065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2713f453ba04SDave Airlie * 2714f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 2715f453ba04SDave Airlie * 2716f453ba04SDave Airlie * Called by the user via ioctl. 2717f453ba04SDave Airlie * 2718f453ba04SDave Airlie * RETURNS: 2719f453ba04SDave Airlie * Zero on success, errno on failure. 2720f453ba04SDave Airlie */ 2721f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 2722f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2723f453ba04SDave Airlie { 2724f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 2725f453ba04SDave Airlie struct drm_framebuffer *fb; 272658c0dca1SDaniel Vetter int ret; 2727f453ba04SDave Airlie 2728fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2729fb3b06c8SDave Airlie return -EINVAL; 2730fb3b06c8SDave Airlie 2731786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 273258c0dca1SDaniel Vetter if (!fb) 273337c4e705SVille Syrjälä return -ENOENT; 2734f453ba04SDave Airlie 2735f453ba04SDave Airlie r->height = fb->height; 2736f453ba04SDave Airlie r->width = fb->width; 2737f453ba04SDave Airlie r->depth = fb->depth; 2738f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 273901f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 2740101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 2741101b96f3SDavid Herrmann if (file_priv->is_master || capable(CAP_SYS_ADMIN)) { 2742101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 2743101b96f3SDavid Herrmann &r->handle); 2744101b96f3SDavid Herrmann } else { 2745101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 2746101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 2747101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 2748101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 2749101b96f3SDavid Herrmann * for non-masters. */ 2750101b96f3SDavid Herrmann r->handle = 0; 2751101b96f3SDavid Herrmann ret = 0; 2752101b96f3SDavid Herrmann } 2753101b96f3SDavid Herrmann } else { 2754af26ef3bSDaniel Vetter ret = -ENODEV; 2755101b96f3SDavid Herrmann } 2756f453ba04SDave Airlie 275758c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 275858c0dca1SDaniel Vetter 2759f453ba04SDave Airlie return ret; 2760f453ba04SDave Airlie } 2761f453ba04SDave Airlie 2762884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2763884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 2764884840aaSJakob Bornecrantz { 2765884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 2766884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 2767884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 2768884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 2769884840aaSJakob Bornecrantz unsigned flags; 2770884840aaSJakob Bornecrantz int num_clips; 27714a1b0714SLaurent Pinchart int ret; 2772884840aaSJakob Bornecrantz 2773fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2774fb3b06c8SDave Airlie return -EINVAL; 2775fb3b06c8SDave Airlie 2776786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 27774ccf097fSDaniel Vetter if (!fb) 277837c4e705SVille Syrjälä return -ENOENT; 2779884840aaSJakob Bornecrantz 2780884840aaSJakob Bornecrantz num_clips = r->num_clips; 278181f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 2782884840aaSJakob Bornecrantz 2783884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 2784884840aaSJakob Bornecrantz ret = -EINVAL; 2785884840aaSJakob Bornecrantz goto out_err1; 2786884840aaSJakob Bornecrantz } 2787884840aaSJakob Bornecrantz 2788884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2789884840aaSJakob Bornecrantz 2790884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 2791884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2792884840aaSJakob Bornecrantz ret = -EINVAL; 2793884840aaSJakob Bornecrantz goto out_err1; 2794884840aaSJakob Bornecrantz } 2795884840aaSJakob Bornecrantz 2796884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 2797a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2798a5cd3351SXi Wang ret = -EINVAL; 2799a5cd3351SXi Wang goto out_err1; 2800a5cd3351SXi Wang } 2801884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 2802884840aaSJakob Bornecrantz if (!clips) { 2803884840aaSJakob Bornecrantz ret = -ENOMEM; 2804884840aaSJakob Bornecrantz goto out_err1; 2805884840aaSJakob Bornecrantz } 2806884840aaSJakob Bornecrantz 2807884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 2808884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 2809e902a358SDan Carpenter if (ret) { 2810e902a358SDan Carpenter ret = -EFAULT; 2811884840aaSJakob Bornecrantz goto out_err2; 2812884840aaSJakob Bornecrantz } 2813e902a358SDan Carpenter } 2814884840aaSJakob Bornecrantz 2815884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 281602b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 281702b00162SThomas Hellstrom clips, num_clips); 2818884840aaSJakob Bornecrantz } else { 2819884840aaSJakob Bornecrantz ret = -ENOSYS; 2820884840aaSJakob Bornecrantz } 2821884840aaSJakob Bornecrantz 2822884840aaSJakob Bornecrantz out_err2: 2823884840aaSJakob Bornecrantz kfree(clips); 2824884840aaSJakob Bornecrantz out_err1: 28254ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 28264ccf097fSDaniel Vetter 2827884840aaSJakob Bornecrantz return ret; 2828884840aaSJakob Bornecrantz } 2829884840aaSJakob Bornecrantz 2830884840aaSJakob Bornecrantz 2831f453ba04SDave Airlie /** 2832f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 2833065a50edSDaniel Vetter * @priv: drm file for the ioctl 2834f453ba04SDave Airlie * 2835f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 2836f453ba04SDave Airlie * 2837f453ba04SDave Airlie * Called by the user via ioctl. 2838f453ba04SDave Airlie * 2839f453ba04SDave Airlie * RETURNS: 2840f453ba04SDave Airlie * Zero on success, errno on failure. 2841f453ba04SDave Airlie */ 2842ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 2843f453ba04SDave Airlie { 2844f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 2845f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 2846f453ba04SDave Airlie 28474b096ac1SDaniel Vetter mutex_lock(&priv->fbs_lock); 2848f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 28492b677e8cSDaniel Vetter 28502b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 28512b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 28522b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 28532b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 28542b677e8cSDaniel Vetter 28554b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 28562b677e8cSDaniel Vetter 28572b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 2858f7eff60eSRob Clark drm_framebuffer_remove(fb); 2859f453ba04SDave Airlie } 28604b096ac1SDaniel Vetter mutex_unlock(&priv->fbs_lock); 2861f453ba04SDave Airlie } 2862f453ba04SDave Airlie 2863f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2864f453ba04SDave Airlie const char *name, int num_values) 2865f453ba04SDave Airlie { 2866f453ba04SDave Airlie struct drm_property *property = NULL; 28676bfc56aaSVille Syrjälä int ret; 2868f453ba04SDave Airlie 2869f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2870f453ba04SDave Airlie if (!property) 2871f453ba04SDave Airlie return NULL; 2872f453ba04SDave Airlie 2873f453ba04SDave Airlie if (num_values) { 2874f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2875f453ba04SDave Airlie if (!property->values) 2876f453ba04SDave Airlie goto fail; 2877f453ba04SDave Airlie } 2878f453ba04SDave Airlie 28796bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 28806bfc56aaSVille Syrjälä if (ret) 28816bfc56aaSVille Syrjälä goto fail; 28826bfc56aaSVille Syrjälä 2883f453ba04SDave Airlie property->flags = flags; 2884f453ba04SDave Airlie property->num_values = num_values; 2885f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2886f453ba04SDave Airlie 2887471dd2efSVinson Lee if (name) { 2888f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2889471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2890471dd2efSVinson Lee } 2891f453ba04SDave Airlie 2892f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2893f453ba04SDave Airlie return property; 2894f453ba04SDave Airlie fail: 28956bfc56aaSVille Syrjälä kfree(property->values); 2896f453ba04SDave Airlie kfree(property); 2897f453ba04SDave Airlie return NULL; 2898f453ba04SDave Airlie } 2899f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2900f453ba04SDave Airlie 29014a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 29024a67d391SSascha Hauer const char *name, 29034a67d391SSascha Hauer const struct drm_prop_enum_list *props, 29044a67d391SSascha Hauer int num_values) 29054a67d391SSascha Hauer { 29064a67d391SSascha Hauer struct drm_property *property; 29074a67d391SSascha Hauer int i, ret; 29084a67d391SSascha Hauer 29094a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 29104a67d391SSascha Hauer 29114a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 29124a67d391SSascha Hauer if (!property) 29134a67d391SSascha Hauer return NULL; 29144a67d391SSascha Hauer 29154a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 29164a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 29174a67d391SSascha Hauer props[i].type, 29184a67d391SSascha Hauer props[i].name); 29194a67d391SSascha Hauer if (ret) { 29204a67d391SSascha Hauer drm_property_destroy(dev, property); 29214a67d391SSascha Hauer return NULL; 29224a67d391SSascha Hauer } 29234a67d391SSascha Hauer } 29244a67d391SSascha Hauer 29254a67d391SSascha Hauer return property; 29264a67d391SSascha Hauer } 29274a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 29284a67d391SSascha Hauer 292949e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 293049e27545SRob Clark int flags, const char *name, 293149e27545SRob Clark const struct drm_prop_enum_list *props, 293249e27545SRob Clark int num_values) 293349e27545SRob Clark { 293449e27545SRob Clark struct drm_property *property; 293549e27545SRob Clark int i, ret; 293649e27545SRob Clark 293749e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 293849e27545SRob Clark 293949e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 294049e27545SRob Clark if (!property) 294149e27545SRob Clark return NULL; 294249e27545SRob Clark 294349e27545SRob Clark for (i = 0; i < num_values; i++) { 294449e27545SRob Clark ret = drm_property_add_enum(property, i, 294549e27545SRob Clark props[i].type, 294649e27545SRob Clark props[i].name); 294749e27545SRob Clark if (ret) { 294849e27545SRob Clark drm_property_destroy(dev, property); 294949e27545SRob Clark return NULL; 295049e27545SRob Clark } 295149e27545SRob Clark } 295249e27545SRob Clark 295349e27545SRob Clark return property; 295449e27545SRob Clark } 295549e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 295649e27545SRob Clark 2957d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2958d9bc3c02SSascha Hauer const char *name, 2959d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 2960d9bc3c02SSascha Hauer { 2961d9bc3c02SSascha Hauer struct drm_property *property; 2962d9bc3c02SSascha Hauer 2963d9bc3c02SSascha Hauer flags |= DRM_MODE_PROP_RANGE; 2964d9bc3c02SSascha Hauer 2965d9bc3c02SSascha Hauer property = drm_property_create(dev, flags, name, 2); 2966d9bc3c02SSascha Hauer if (!property) 2967d9bc3c02SSascha Hauer return NULL; 2968d9bc3c02SSascha Hauer 2969d9bc3c02SSascha Hauer property->values[0] = min; 2970d9bc3c02SSascha Hauer property->values[1] = max; 2971d9bc3c02SSascha Hauer 2972d9bc3c02SSascha Hauer return property; 2973d9bc3c02SSascha Hauer } 2974d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 2975d9bc3c02SSascha Hauer 2976f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2977f453ba04SDave Airlie uint64_t value, const char *name) 2978f453ba04SDave Airlie { 2979f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2980f453ba04SDave Airlie 298149e27545SRob Clark if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 298249e27545SRob Clark return -EINVAL; 298349e27545SRob Clark 298449e27545SRob Clark /* 298549e27545SRob Clark * Bitmask enum properties have the additional constraint of values 298649e27545SRob Clark * from 0 to 63 298749e27545SRob Clark */ 298849e27545SRob Clark if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) 2989f453ba04SDave Airlie return -EINVAL; 2990f453ba04SDave Airlie 2991f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2992f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2993f453ba04SDave Airlie if (prop_enum->value == value) { 2994f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2995f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2996f453ba04SDave Airlie return 0; 2997f453ba04SDave Airlie } 2998f453ba04SDave Airlie } 2999f453ba04SDave Airlie } 3000f453ba04SDave Airlie 3001f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 3002f453ba04SDave Airlie if (!prop_enum) 3003f453ba04SDave Airlie return -ENOMEM; 3004f453ba04SDave Airlie 3005f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3006f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3007f453ba04SDave Airlie prop_enum->value = value; 3008f453ba04SDave Airlie 3009f453ba04SDave Airlie property->values[index] = value; 3010f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 3011f453ba04SDave Airlie return 0; 3012f453ba04SDave Airlie } 3013f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 3014f453ba04SDave Airlie 3015f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 3016f453ba04SDave Airlie { 3017f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 3018f453ba04SDave Airlie 3019f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 3020f453ba04SDave Airlie list_del(&prop_enum->head); 3021f453ba04SDave Airlie kfree(prop_enum); 3022f453ba04SDave Airlie } 3023f453ba04SDave Airlie 3024f453ba04SDave Airlie if (property->num_values) 3025f453ba04SDave Airlie kfree(property->values); 3026f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 3027f453ba04SDave Airlie list_del(&property->head); 3028f453ba04SDave Airlie kfree(property); 3029f453ba04SDave Airlie } 3030f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 3031f453ba04SDave Airlie 3032c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 3033c543188aSPaulo Zanoni struct drm_property *property, 3034c543188aSPaulo Zanoni uint64_t init_val) 3035c543188aSPaulo Zanoni { 30367f88a9beSPaulo Zanoni int count = obj->properties->count; 3037c543188aSPaulo Zanoni 30387f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 30397f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 30407f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 30417f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 30427f88a9beSPaulo Zanoni obj->type); 3043c543188aSPaulo Zanoni return; 3044c543188aSPaulo Zanoni } 3045c543188aSPaulo Zanoni 30467f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 30477f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 30487f88a9beSPaulo Zanoni obj->properties->count++; 3049c543188aSPaulo Zanoni } 3050c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 3051c543188aSPaulo Zanoni 3052c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 3053c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 3054c543188aSPaulo Zanoni { 3055c543188aSPaulo Zanoni int i; 3056c543188aSPaulo Zanoni 30577f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 3058c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 3059c543188aSPaulo Zanoni obj->properties->values[i] = val; 3060c543188aSPaulo Zanoni return 0; 3061c543188aSPaulo Zanoni } 3062c543188aSPaulo Zanoni } 3063c543188aSPaulo Zanoni 3064c543188aSPaulo Zanoni return -EINVAL; 3065c543188aSPaulo Zanoni } 3066c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 3067c543188aSPaulo Zanoni 3068c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 3069c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 3070c543188aSPaulo Zanoni { 3071c543188aSPaulo Zanoni int i; 3072c543188aSPaulo Zanoni 30737f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 3074c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 3075c543188aSPaulo Zanoni *val = obj->properties->values[i]; 3076c543188aSPaulo Zanoni return 0; 3077c543188aSPaulo Zanoni } 3078c543188aSPaulo Zanoni } 3079c543188aSPaulo Zanoni 3080c543188aSPaulo Zanoni return -EINVAL; 3081c543188aSPaulo Zanoni } 3082c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 3083c543188aSPaulo Zanoni 3084f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 3085f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3086f453ba04SDave Airlie { 3087f453ba04SDave Airlie struct drm_mode_object *obj; 3088f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 3089f453ba04SDave Airlie struct drm_property *property; 3090f453ba04SDave Airlie int enum_count = 0; 3091f453ba04SDave Airlie int blob_count = 0; 3092f453ba04SDave Airlie int value_count = 0; 3093f453ba04SDave Airlie int ret = 0, i; 3094f453ba04SDave Airlie int copied; 3095f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3096f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 3097f453ba04SDave Airlie struct drm_property_blob *prop_blob; 309881f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 3099f453ba04SDave Airlie uint64_t __user *values_ptr; 3100f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 3101f453ba04SDave Airlie 3102fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3103fb3b06c8SDave Airlie return -EINVAL; 3104fb3b06c8SDave Airlie 310584849903SDaniel Vetter drm_modeset_lock_all(dev); 3106f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 3107f453ba04SDave Airlie if (!obj) { 3108f27657f2SVille Syrjälä ret = -ENOENT; 3109f453ba04SDave Airlie goto done; 3110f453ba04SDave Airlie } 3111f453ba04SDave Airlie property = obj_to_property(obj); 3112f453ba04SDave Airlie 311349e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 3114f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 3115f453ba04SDave Airlie enum_count++; 3116f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 3117f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 3118f453ba04SDave Airlie blob_count++; 3119f453ba04SDave Airlie } 3120f453ba04SDave Airlie 3121f453ba04SDave Airlie value_count = property->num_values; 3122f453ba04SDave Airlie 3123f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 3124f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 3125f453ba04SDave Airlie out_resp->flags = property->flags; 3126f453ba04SDave Airlie 3127f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 312881f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 3129f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 3130f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 3131f453ba04SDave Airlie ret = -EFAULT; 3132f453ba04SDave Airlie goto done; 3133f453ba04SDave Airlie } 3134f453ba04SDave Airlie } 3135f453ba04SDave Airlie } 3136f453ba04SDave Airlie out_resp->count_values = value_count; 3137f453ba04SDave Airlie 313849e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 3139f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 3140f453ba04SDave Airlie copied = 0; 314181f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 3142f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 3143f453ba04SDave Airlie 3144f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 3145f453ba04SDave Airlie ret = -EFAULT; 3146f453ba04SDave Airlie goto done; 3147f453ba04SDave Airlie } 3148f453ba04SDave Airlie 3149f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 3150f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 3151f453ba04SDave Airlie ret = -EFAULT; 3152f453ba04SDave Airlie goto done; 3153f453ba04SDave Airlie } 3154f453ba04SDave Airlie copied++; 3155f453ba04SDave Airlie } 3156f453ba04SDave Airlie } 3157f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 3158f453ba04SDave Airlie } 3159f453ba04SDave Airlie 3160f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 3161f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 3162f453ba04SDave Airlie copied = 0; 316381f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 316481f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 3165f453ba04SDave Airlie 3166f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 3167f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 3168f453ba04SDave Airlie ret = -EFAULT; 3169f453ba04SDave Airlie goto done; 3170f453ba04SDave Airlie } 3171f453ba04SDave Airlie 3172f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 3173f453ba04SDave Airlie ret = -EFAULT; 3174f453ba04SDave Airlie goto done; 3175f453ba04SDave Airlie } 3176f453ba04SDave Airlie 3177f453ba04SDave Airlie copied++; 3178f453ba04SDave Airlie } 3179f453ba04SDave Airlie } 3180f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 3181f453ba04SDave Airlie } 3182f453ba04SDave Airlie done: 318384849903SDaniel Vetter drm_modeset_unlock_all(dev); 3184f453ba04SDave Airlie return ret; 3185f453ba04SDave Airlie } 3186f453ba04SDave Airlie 3187f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 3188f453ba04SDave Airlie void *data) 3189f453ba04SDave Airlie { 3190f453ba04SDave Airlie struct drm_property_blob *blob; 31916bfc56aaSVille Syrjälä int ret; 3192f453ba04SDave Airlie 3193f453ba04SDave Airlie if (!length || !data) 3194f453ba04SDave Airlie return NULL; 3195f453ba04SDave Airlie 3196f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 3197f453ba04SDave Airlie if (!blob) 3198f453ba04SDave Airlie return NULL; 3199f453ba04SDave Airlie 32006bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 32016bfc56aaSVille Syrjälä if (ret) { 32026bfc56aaSVille Syrjälä kfree(blob); 32036bfc56aaSVille Syrjälä return NULL; 32046bfc56aaSVille Syrjälä } 32056bfc56aaSVille Syrjälä 3206f453ba04SDave Airlie blob->length = length; 3207f453ba04SDave Airlie 3208f453ba04SDave Airlie memcpy(blob->data, data, length); 3209f453ba04SDave Airlie 3210f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 3211f453ba04SDave Airlie return blob; 3212f453ba04SDave Airlie } 3213f453ba04SDave Airlie 3214f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 3215f453ba04SDave Airlie struct drm_property_blob *blob) 3216f453ba04SDave Airlie { 3217f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 3218f453ba04SDave Airlie list_del(&blob->head); 3219f453ba04SDave Airlie kfree(blob); 3220f453ba04SDave Airlie } 3221f453ba04SDave Airlie 3222f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3223f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3224f453ba04SDave Airlie { 3225f453ba04SDave Airlie struct drm_mode_object *obj; 3226f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3227f453ba04SDave Airlie struct drm_property_blob *blob; 3228f453ba04SDave Airlie int ret = 0; 322981f6c7f8SVille Syrjälä void __user *blob_ptr; 3230f453ba04SDave Airlie 3231fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3232fb3b06c8SDave Airlie return -EINVAL; 3233fb3b06c8SDave Airlie 323484849903SDaniel Vetter drm_modeset_lock_all(dev); 3235f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 3236f453ba04SDave Airlie if (!obj) { 3237f27657f2SVille Syrjälä ret = -ENOENT; 3238f453ba04SDave Airlie goto done; 3239f453ba04SDave Airlie } 3240f453ba04SDave Airlie blob = obj_to_blob(obj); 3241f453ba04SDave Airlie 3242f453ba04SDave Airlie if (out_resp->length == blob->length) { 324381f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3244f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3245f453ba04SDave Airlie ret = -EFAULT; 3246f453ba04SDave Airlie goto done; 3247f453ba04SDave Airlie } 3248f453ba04SDave Airlie } 3249f453ba04SDave Airlie out_resp->length = blob->length; 3250f453ba04SDave Airlie 3251f453ba04SDave Airlie done: 325284849903SDaniel Vetter drm_modeset_unlock_all(dev); 3253f453ba04SDave Airlie return ret; 3254f453ba04SDave Airlie } 3255f453ba04SDave Airlie 3256f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 3257f453ba04SDave Airlie struct edid *edid) 3258f453ba04SDave Airlie { 3259f453ba04SDave Airlie struct drm_device *dev = connector->dev; 32604a1b0714SLaurent Pinchart int ret, size; 3261f453ba04SDave Airlie 3262f453ba04SDave Airlie if (connector->edid_blob_ptr) 3263f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 3264f453ba04SDave Airlie 3265f453ba04SDave Airlie /* Delete edid, when there is none. */ 3266f453ba04SDave Airlie if (!edid) { 3267f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 326858495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 3269f453ba04SDave Airlie return ret; 3270f453ba04SDave Airlie } 3271f453ba04SDave Airlie 32727466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 32737466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 32747466f4ccSAdam Jackson size, edid); 3275e655d122SSachin Kamat if (!connector->edid_blob_ptr) 3276e655d122SSachin Kamat return -EINVAL; 3277f453ba04SDave Airlie 327858495563SRob Clark ret = drm_object_property_set_value(&connector->base, 3279f453ba04SDave Airlie dev->mode_config.edid_property, 3280f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 3281f453ba04SDave Airlie 3282f453ba04SDave Airlie return ret; 3283f453ba04SDave Airlie } 3284f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 3285f453ba04SDave Airlie 328626a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 3287592c20eeSVille Syrjälä uint64_t value) 328826a34815SPaulo Zanoni { 328926a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 329026a34815SPaulo Zanoni return false; 329126a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_RANGE) { 329226a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 329326a34815SPaulo Zanoni return false; 329426a34815SPaulo Zanoni return true; 329549e27545SRob Clark } else if (property->flags & DRM_MODE_PROP_BITMASK) { 329649e27545SRob Clark int i; 3297592c20eeSVille Syrjälä uint64_t valid_mask = 0; 329849e27545SRob Clark for (i = 0; i < property->num_values; i++) 329949e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 330049e27545SRob Clark return !(value & ~valid_mask); 3301c4a56750SVille Syrjälä } else if (property->flags & DRM_MODE_PROP_BLOB) { 3302c4a56750SVille Syrjälä /* Only the driver knows */ 3303c4a56750SVille Syrjälä return true; 330426a34815SPaulo Zanoni } else { 330526a34815SPaulo Zanoni int i; 330626a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 330726a34815SPaulo Zanoni if (property->values[i] == value) 330826a34815SPaulo Zanoni return true; 330926a34815SPaulo Zanoni return false; 331026a34815SPaulo Zanoni } 331126a34815SPaulo Zanoni } 331226a34815SPaulo Zanoni 3313f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3314f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3315f453ba04SDave Airlie { 33160057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 33170057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 33180057d8ddSPaulo Zanoni .value = conn_set_prop->value, 33190057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 33200057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 33210057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 33220057d8ddSPaulo Zanoni }; 3323f453ba04SDave Airlie 33240057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 33250057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 3326f453ba04SDave Airlie } 3327f453ba04SDave Airlie 3328c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 3329c543188aSPaulo Zanoni struct drm_property *property, 3330c543188aSPaulo Zanoni uint64_t value) 3331c543188aSPaulo Zanoni { 3332c543188aSPaulo Zanoni int ret = -EINVAL; 3333c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 3334c543188aSPaulo Zanoni 3335c543188aSPaulo Zanoni /* Do DPMS ourselves */ 3336c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 3337c543188aSPaulo Zanoni if (connector->funcs->dpms) 3338c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 3339c543188aSPaulo Zanoni ret = 0; 3340c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 3341c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 3342c543188aSPaulo Zanoni 3343c543188aSPaulo Zanoni /* store the property value if successful */ 3344c543188aSPaulo Zanoni if (!ret) 334558495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 3346c543188aSPaulo Zanoni return ret; 3347c543188aSPaulo Zanoni } 3348c543188aSPaulo Zanoni 3349bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 3350bffd9de0SPaulo Zanoni struct drm_property *property, 3351bffd9de0SPaulo Zanoni uint64_t value) 3352bffd9de0SPaulo Zanoni { 3353bffd9de0SPaulo Zanoni int ret = -EINVAL; 3354bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 3355bffd9de0SPaulo Zanoni 3356bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 3357bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 3358bffd9de0SPaulo Zanoni if (!ret) 3359bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 3360bffd9de0SPaulo Zanoni 3361bffd9de0SPaulo Zanoni return ret; 3362bffd9de0SPaulo Zanoni } 3363bffd9de0SPaulo Zanoni 33644d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 33654d93914aSRob Clark struct drm_property *property, 33664d93914aSRob Clark uint64_t value) 33674d93914aSRob Clark { 33684d93914aSRob Clark int ret = -EINVAL; 33694d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 33704d93914aSRob Clark 33714d93914aSRob Clark if (plane->funcs->set_property) 33724d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 33734d93914aSRob Clark if (!ret) 33744d93914aSRob Clark drm_object_property_set_value(obj, property, value); 33754d93914aSRob Clark 33764d93914aSRob Clark return ret; 33774d93914aSRob Clark } 33784d93914aSRob Clark 3379c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 3380c543188aSPaulo Zanoni struct drm_file *file_priv) 3381c543188aSPaulo Zanoni { 3382c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 3383c543188aSPaulo Zanoni struct drm_mode_object *obj; 3384c543188aSPaulo Zanoni int ret = 0; 3385c543188aSPaulo Zanoni int i; 3386c543188aSPaulo Zanoni int copied = 0; 3387c543188aSPaulo Zanoni int props_count = 0; 3388c543188aSPaulo Zanoni uint32_t __user *props_ptr; 3389c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 3390c543188aSPaulo Zanoni 3391c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3392c543188aSPaulo Zanoni return -EINVAL; 3393c543188aSPaulo Zanoni 339484849903SDaniel Vetter drm_modeset_lock_all(dev); 3395c543188aSPaulo Zanoni 3396c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3397c543188aSPaulo Zanoni if (!obj) { 3398f27657f2SVille Syrjälä ret = -ENOENT; 3399c543188aSPaulo Zanoni goto out; 3400c543188aSPaulo Zanoni } 3401c543188aSPaulo Zanoni if (!obj->properties) { 3402c543188aSPaulo Zanoni ret = -EINVAL; 3403c543188aSPaulo Zanoni goto out; 3404c543188aSPaulo Zanoni } 3405c543188aSPaulo Zanoni 34067f88a9beSPaulo Zanoni props_count = obj->properties->count; 3407c543188aSPaulo Zanoni 3408c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 3409c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 3410c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 3411c543188aSPaulo Zanoni copied = 0; 3412c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 3413c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 3414c543188aSPaulo Zanoni (arg->prop_values_ptr); 3415c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 3416c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 3417c543188aSPaulo Zanoni props_ptr + copied)) { 3418c543188aSPaulo Zanoni ret = -EFAULT; 3419c543188aSPaulo Zanoni goto out; 3420c543188aSPaulo Zanoni } 3421c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 3422c543188aSPaulo Zanoni prop_values_ptr + copied)) { 3423c543188aSPaulo Zanoni ret = -EFAULT; 3424c543188aSPaulo Zanoni goto out; 3425c543188aSPaulo Zanoni } 3426c543188aSPaulo Zanoni copied++; 3427c543188aSPaulo Zanoni } 3428c543188aSPaulo Zanoni } 3429c543188aSPaulo Zanoni arg->count_props = props_count; 3430c543188aSPaulo Zanoni out: 343184849903SDaniel Vetter drm_modeset_unlock_all(dev); 3432c543188aSPaulo Zanoni return ret; 3433c543188aSPaulo Zanoni } 3434c543188aSPaulo Zanoni 3435c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 3436c543188aSPaulo Zanoni struct drm_file *file_priv) 3437c543188aSPaulo Zanoni { 3438c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 3439c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 3440c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 3441c543188aSPaulo Zanoni struct drm_property *property; 3442c543188aSPaulo Zanoni int ret = -EINVAL; 3443c543188aSPaulo Zanoni int i; 3444c543188aSPaulo Zanoni 3445c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3446c543188aSPaulo Zanoni return -EINVAL; 3447c543188aSPaulo Zanoni 344884849903SDaniel Vetter drm_modeset_lock_all(dev); 3449c543188aSPaulo Zanoni 3450c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3451f27657f2SVille Syrjälä if (!arg_obj) { 3452f27657f2SVille Syrjälä ret = -ENOENT; 3453c543188aSPaulo Zanoni goto out; 3454f27657f2SVille Syrjälä } 3455c543188aSPaulo Zanoni if (!arg_obj->properties) 3456c543188aSPaulo Zanoni goto out; 3457c543188aSPaulo Zanoni 34587f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 3459c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 3460c543188aSPaulo Zanoni break; 3461c543188aSPaulo Zanoni 34627f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 3463c543188aSPaulo Zanoni goto out; 3464c543188aSPaulo Zanoni 3465c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 3466c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 3467f27657f2SVille Syrjälä if (!prop_obj) { 3468f27657f2SVille Syrjälä ret = -ENOENT; 3469c543188aSPaulo Zanoni goto out; 3470f27657f2SVille Syrjälä } 3471c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 3472c543188aSPaulo Zanoni 3473c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 3474c543188aSPaulo Zanoni goto out; 3475c543188aSPaulo Zanoni 3476c543188aSPaulo Zanoni switch (arg_obj->type) { 3477c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 3478c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 3479c543188aSPaulo Zanoni arg->value); 3480c543188aSPaulo Zanoni break; 3481bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 3482bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 3483bffd9de0SPaulo Zanoni break; 34844d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 34854d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 34864d93914aSRob Clark break; 3487c543188aSPaulo Zanoni } 3488c543188aSPaulo Zanoni 3489c543188aSPaulo Zanoni out: 349084849903SDaniel Vetter drm_modeset_unlock_all(dev); 3491c543188aSPaulo Zanoni return ret; 3492c543188aSPaulo Zanoni } 3493c543188aSPaulo Zanoni 3494f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3495f453ba04SDave Airlie struct drm_encoder *encoder) 3496f453ba04SDave Airlie { 3497f453ba04SDave Airlie int i; 3498f453ba04SDave Airlie 3499f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3500f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 3501f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 3502f453ba04SDave Airlie return 0; 3503f453ba04SDave Airlie } 3504f453ba04SDave Airlie } 3505f453ba04SDave Airlie return -ENOMEM; 3506f453ba04SDave Airlie } 3507f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 3508f453ba04SDave Airlie 3509f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3510f453ba04SDave Airlie struct drm_encoder *encoder) 3511f453ba04SDave Airlie { 3512f453ba04SDave Airlie int i; 3513f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3514f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 3515f453ba04SDave Airlie connector->encoder_ids[i] = 0; 3516f453ba04SDave Airlie if (connector->encoder == encoder) 3517f453ba04SDave Airlie connector->encoder = NULL; 3518f453ba04SDave Airlie break; 3519f453ba04SDave Airlie } 3520f453ba04SDave Airlie } 3521f453ba04SDave Airlie } 3522f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 3523f453ba04SDave Airlie 35244cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3525f453ba04SDave Airlie int gamma_size) 3526f453ba04SDave Airlie { 3527f453ba04SDave Airlie crtc->gamma_size = gamma_size; 3528f453ba04SDave Airlie 3529f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 3530f453ba04SDave Airlie if (!crtc->gamma_store) { 3531f453ba04SDave Airlie crtc->gamma_size = 0; 35324cae5b84SSascha Hauer return -ENOMEM; 3533f453ba04SDave Airlie } 3534f453ba04SDave Airlie 35354cae5b84SSascha Hauer return 0; 3536f453ba04SDave Airlie } 3537f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 3538f453ba04SDave Airlie 3539f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3540f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3541f453ba04SDave Airlie { 3542f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3543f453ba04SDave Airlie struct drm_mode_object *obj; 3544f453ba04SDave Airlie struct drm_crtc *crtc; 3545f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3546f453ba04SDave Airlie int size; 3547f453ba04SDave Airlie int ret = 0; 3548f453ba04SDave Airlie 3549fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3550fb3b06c8SDave Airlie return -EINVAL; 3551fb3b06c8SDave Airlie 355284849903SDaniel Vetter drm_modeset_lock_all(dev); 3553f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3554f453ba04SDave Airlie if (!obj) { 3555f27657f2SVille Syrjälä ret = -ENOENT; 3556f453ba04SDave Airlie goto out; 3557f453ba04SDave Airlie } 3558f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3559f453ba04SDave Airlie 3560ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 3561ebe0f244SLaurent Pinchart ret = -ENOSYS; 3562ebe0f244SLaurent Pinchart goto out; 3563ebe0f244SLaurent Pinchart } 3564ebe0f244SLaurent Pinchart 3565f453ba04SDave Airlie /* memcpy into gamma store */ 3566f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3567f453ba04SDave Airlie ret = -EINVAL; 3568f453ba04SDave Airlie goto out; 3569f453ba04SDave Airlie } 3570f453ba04SDave Airlie 3571f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3572f453ba04SDave Airlie r_base = crtc->gamma_store; 3573f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 3574f453ba04SDave Airlie ret = -EFAULT; 3575f453ba04SDave Airlie goto out; 3576f453ba04SDave Airlie } 3577f453ba04SDave Airlie 3578f453ba04SDave Airlie g_base = r_base + size; 3579f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 3580f453ba04SDave Airlie ret = -EFAULT; 3581f453ba04SDave Airlie goto out; 3582f453ba04SDave Airlie } 3583f453ba04SDave Airlie 3584f453ba04SDave Airlie b_base = g_base + size; 3585f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 3586f453ba04SDave Airlie ret = -EFAULT; 3587f453ba04SDave Airlie goto out; 3588f453ba04SDave Airlie } 3589f453ba04SDave Airlie 35907203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3591f453ba04SDave Airlie 3592f453ba04SDave Airlie out: 359384849903SDaniel Vetter drm_modeset_unlock_all(dev); 3594f453ba04SDave Airlie return ret; 3595f453ba04SDave Airlie 3596f453ba04SDave Airlie } 3597f453ba04SDave Airlie 3598f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3599f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3600f453ba04SDave Airlie { 3601f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3602f453ba04SDave Airlie struct drm_mode_object *obj; 3603f453ba04SDave Airlie struct drm_crtc *crtc; 3604f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3605f453ba04SDave Airlie int size; 3606f453ba04SDave Airlie int ret = 0; 3607f453ba04SDave Airlie 3608fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3609fb3b06c8SDave Airlie return -EINVAL; 3610fb3b06c8SDave Airlie 361184849903SDaniel Vetter drm_modeset_lock_all(dev); 3612f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3613f453ba04SDave Airlie if (!obj) { 3614f27657f2SVille Syrjälä ret = -ENOENT; 3615f453ba04SDave Airlie goto out; 3616f453ba04SDave Airlie } 3617f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3618f453ba04SDave Airlie 3619f453ba04SDave Airlie /* memcpy into gamma store */ 3620f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3621f453ba04SDave Airlie ret = -EINVAL; 3622f453ba04SDave Airlie goto out; 3623f453ba04SDave Airlie } 3624f453ba04SDave Airlie 3625f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3626f453ba04SDave Airlie r_base = crtc->gamma_store; 3627f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 3628f453ba04SDave Airlie ret = -EFAULT; 3629f453ba04SDave Airlie goto out; 3630f453ba04SDave Airlie } 3631f453ba04SDave Airlie 3632f453ba04SDave Airlie g_base = r_base + size; 3633f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 3634f453ba04SDave Airlie ret = -EFAULT; 3635f453ba04SDave Airlie goto out; 3636f453ba04SDave Airlie } 3637f453ba04SDave Airlie 3638f453ba04SDave Airlie b_base = g_base + size; 3639f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 3640f453ba04SDave Airlie ret = -EFAULT; 3641f453ba04SDave Airlie goto out; 3642f453ba04SDave Airlie } 3643f453ba04SDave Airlie out: 364484849903SDaniel Vetter drm_modeset_unlock_all(dev); 3645f453ba04SDave Airlie return ret; 3646f453ba04SDave Airlie } 3647d91d8a3fSKristian Høgsberg 3648d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 3649d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 3650d91d8a3fSKristian Høgsberg { 3651d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 3652d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 3653d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 3654b0d12325SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 3655d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 3656d91d8a3fSKristian Høgsberg unsigned long flags; 3657d91d8a3fSKristian Høgsberg int ret = -EINVAL; 3658d91d8a3fSKristian Høgsberg 3659d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3660d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 3661d91d8a3fSKristian Høgsberg return -EINVAL; 3662d91d8a3fSKristian Høgsberg 366362f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 366462f2104fSKeith Packard return -EINVAL; 366562f2104fSKeith Packard 3666d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3667d91d8a3fSKristian Høgsberg if (!obj) 3668f27657f2SVille Syrjälä return -ENOENT; 3669d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 3670d91d8a3fSKristian Høgsberg 3671b4d5e7d1SDaniel Vetter mutex_lock(&crtc->mutex); 367290c1efddSChris Wilson if (crtc->fb == NULL) { 367390c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 367490c1efddSChris Wilson * due to a hotplug event, that userspace has not 367590c1efddSChris Wilson * yet discovered. 367690c1efddSChris Wilson */ 367790c1efddSChris Wilson ret = -EBUSY; 367890c1efddSChris Wilson goto out; 367990c1efddSChris Wilson } 368090c1efddSChris Wilson 3681d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 3682d91d8a3fSKristian Høgsberg goto out; 3683d91d8a3fSKristian Høgsberg 3684786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 368537c4e705SVille Syrjälä if (!fb) { 368637c4e705SVille Syrjälä ret = -ENOENT; 3687d91d8a3fSKristian Høgsberg goto out; 368837c4e705SVille Syrjälä } 3689d91d8a3fSKristian Høgsberg 3690c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 3691c11e9283SDamien Lespiau if (ret) 36925f61bb42SVille Syrjälä goto out; 36935f61bb42SVille Syrjälä 3694909d9cdaSLaurent Pinchart if (crtc->fb->pixel_format != fb->pixel_format) { 3695909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 3696909d9cdaSLaurent Pinchart ret = -EINVAL; 3697909d9cdaSLaurent Pinchart goto out; 3698909d9cdaSLaurent Pinchart } 3699909d9cdaSLaurent Pinchart 3700d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3701d91d8a3fSKristian Høgsberg ret = -ENOMEM; 3702d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3703d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 3704d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3705d91d8a3fSKristian Høgsberg goto out; 3706d91d8a3fSKristian Høgsberg } 3707d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 3708d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3709d91d8a3fSKristian Høgsberg 3710d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 3711d91d8a3fSKristian Høgsberg if (e == NULL) { 3712d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3713d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3714d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3715d91d8a3fSKristian Høgsberg goto out; 3716d91d8a3fSKristian Høgsberg } 3717d91d8a3fSKristian Høgsberg 37187bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3719d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 3720d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 3721d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 3722d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 3723d91d8a3fSKristian Høgsberg e->base.destroy = 3724d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 3725d91d8a3fSKristian Høgsberg } 3726d91d8a3fSKristian Høgsberg 3727b0d12325SDaniel Vetter old_fb = crtc->fb; 3728ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 3729d91d8a3fSKristian Høgsberg if (ret) { 3730aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3731d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3732d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3733d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3734d91d8a3fSKristian Høgsberg kfree(e); 3735d91d8a3fSKristian Høgsberg } 3736b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 3737b0d12325SDaniel Vetter old_fb = NULL; 3738b0d12325SDaniel Vetter } else { 37398cf1e981SThierry Reding /* 37408cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 37418cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 37428cf1e981SThierry Reding * Failing to do so will screw with the reference counting 37438cf1e981SThierry Reding * on framebuffers. 37448cf1e981SThierry Reding */ 37458cf1e981SThierry Reding WARN_ON(crtc->fb != fb); 3746b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 3747b0d12325SDaniel Vetter fb = NULL; 3748aef6a7eeSJoonyoung Shim } 3749d91d8a3fSKristian Høgsberg 3750d91d8a3fSKristian Høgsberg out: 3751b0d12325SDaniel Vetter if (fb) 3752b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 3753b0d12325SDaniel Vetter if (old_fb) 3754b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 3755b4d5e7d1SDaniel Vetter mutex_unlock(&crtc->mutex); 3756b4d5e7d1SDaniel Vetter 3757d91d8a3fSKristian Høgsberg return ret; 3758d91d8a3fSKristian Høgsberg } 3759eb033556SChris Wilson 3760eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 3761eb033556SChris Wilson { 3762eb033556SChris Wilson struct drm_crtc *crtc; 3763eb033556SChris Wilson struct drm_encoder *encoder; 3764eb033556SChris Wilson struct drm_connector *connector; 3765eb033556SChris Wilson 3766eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3767eb033556SChris Wilson if (crtc->funcs->reset) 3768eb033556SChris Wilson crtc->funcs->reset(crtc); 3769eb033556SChris Wilson 3770eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3771eb033556SChris Wilson if (encoder->funcs->reset) 3772eb033556SChris Wilson encoder->funcs->reset(encoder); 3773eb033556SChris Wilson 37745e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 37755e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 37765e2cb2f6SDaniel Vetter 3777eb033556SChris Wilson if (connector->funcs->reset) 3778eb033556SChris Wilson connector->funcs->reset(connector); 3779eb033556SChris Wilson } 37805e2cb2f6SDaniel Vetter } 3781eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 3782ff72145bSDave Airlie 3783ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3784ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3785ff72145bSDave Airlie { 3786ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 3787b28cd41fSDavid Herrmann u32 cpp, stride, size; 3788ff72145bSDave Airlie 3789ff72145bSDave Airlie if (!dev->driver->dumb_create) 3790ff72145bSDave Airlie return -ENOSYS; 3791b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 3792b28cd41fSDavid Herrmann return -EINVAL; 3793b28cd41fSDavid Herrmann 3794b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 3795b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 3796b28cd41fSDavid Herrmann if (cpp > 0xffffffffU / args->width) 3797b28cd41fSDavid Herrmann return -EINVAL; 3798b28cd41fSDavid Herrmann stride = cpp * args->width; 3799b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 3800b28cd41fSDavid Herrmann return -EINVAL; 3801b28cd41fSDavid Herrmann 3802b28cd41fSDavid Herrmann /* test for wrap-around */ 3803b28cd41fSDavid Herrmann size = args->height * stride; 3804b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 3805b28cd41fSDavid Herrmann return -EINVAL; 3806b28cd41fSDavid Herrmann 3807ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 3808ff72145bSDave Airlie } 3809ff72145bSDave Airlie 3810ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3811ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3812ff72145bSDave Airlie { 3813ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 3814ff72145bSDave Airlie 3815ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 3816ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 3817ff72145bSDave Airlie return -ENOSYS; 3818ff72145bSDave Airlie 3819ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3820ff72145bSDave Airlie } 3821ff72145bSDave Airlie 3822ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3823ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3824ff72145bSDave Airlie { 3825ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 3826ff72145bSDave Airlie 3827ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 3828ff72145bSDave Airlie return -ENOSYS; 3829ff72145bSDave Airlie 3830ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3831ff72145bSDave Airlie } 3832248dbc23SDave Airlie 3833248dbc23SDave Airlie /* 3834248dbc23SDave Airlie * Just need to support RGB formats here for compat with code that doesn't 3835248dbc23SDave Airlie * use pixel formats directly yet. 3836248dbc23SDave Airlie */ 3837248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3838248dbc23SDave Airlie int *bpp) 3839248dbc23SDave Airlie { 3840248dbc23SDave Airlie switch (format) { 3841c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 384204b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 384304b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 3844248dbc23SDave Airlie *depth = 8; 3845248dbc23SDave Airlie *bpp = 8; 3846248dbc23SDave Airlie break; 384704b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 384804b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 384904b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 385004b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 385104b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 385204b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 385304b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 385404b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 3855248dbc23SDave Airlie *depth = 15; 3856248dbc23SDave Airlie *bpp = 16; 3857248dbc23SDave Airlie break; 385804b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 385904b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 3860248dbc23SDave Airlie *depth = 16; 3861248dbc23SDave Airlie *bpp = 16; 3862248dbc23SDave Airlie break; 386304b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 386404b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 386504b3924dSVille Syrjälä *depth = 24; 386604b3924dSVille Syrjälä *bpp = 24; 386704b3924dSVille Syrjälä break; 386804b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 386904b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 387004b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 387104b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 3872248dbc23SDave Airlie *depth = 24; 3873248dbc23SDave Airlie *bpp = 32; 3874248dbc23SDave Airlie break; 387504b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 387604b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 387704b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 387804b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 387904b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 388004b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 388104b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 388204b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 3883248dbc23SDave Airlie *depth = 30; 3884248dbc23SDave Airlie *bpp = 32; 3885248dbc23SDave Airlie break; 388604b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 388704b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 388804b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 388904b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 3890248dbc23SDave Airlie *depth = 32; 3891248dbc23SDave Airlie *bpp = 32; 3892248dbc23SDave Airlie break; 3893248dbc23SDave Airlie default: 389423c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 389523c453a4SVille Syrjälä drm_get_format_name(format)); 3896248dbc23SDave Airlie *depth = 0; 3897248dbc23SDave Airlie *bpp = 0; 3898248dbc23SDave Airlie break; 3899248dbc23SDave Airlie } 3900248dbc23SDave Airlie } 3901248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 3902141670e9SVille Syrjälä 3903141670e9SVille Syrjälä /** 3904141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 3905141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 3906141670e9SVille Syrjälä * 3907141670e9SVille Syrjälä * RETURNS: 3908141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 3909141670e9SVille Syrjälä */ 3910141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 3911141670e9SVille Syrjälä { 3912141670e9SVille Syrjälä switch (format) { 3913141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 3914141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 3915141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 3916141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 3917141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 3918141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 3919141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 3920141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 3921141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 3922141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 3923141670e9SVille Syrjälä return 3; 3924141670e9SVille Syrjälä case DRM_FORMAT_NV12: 3925141670e9SVille Syrjälä case DRM_FORMAT_NV21: 3926141670e9SVille Syrjälä case DRM_FORMAT_NV16: 3927141670e9SVille Syrjälä case DRM_FORMAT_NV61: 3928ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3929ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3930141670e9SVille Syrjälä return 2; 3931141670e9SVille Syrjälä default: 3932141670e9SVille Syrjälä return 1; 3933141670e9SVille Syrjälä } 3934141670e9SVille Syrjälä } 3935141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 39365a86bd55SVille Syrjälä 39375a86bd55SVille Syrjälä /** 39385a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 39395a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 39405a86bd55SVille Syrjälä * @plane: plane index 39415a86bd55SVille Syrjälä * 39425a86bd55SVille Syrjälä * RETURNS: 39435a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 39445a86bd55SVille Syrjälä */ 39455a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 39465a86bd55SVille Syrjälä { 39475a86bd55SVille Syrjälä unsigned int depth; 39485a86bd55SVille Syrjälä int bpp; 39495a86bd55SVille Syrjälä 39505a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 39515a86bd55SVille Syrjälä return 0; 39525a86bd55SVille Syrjälä 39535a86bd55SVille Syrjälä switch (format) { 39545a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 39555a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 39565a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 39575a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 39585a86bd55SVille Syrjälä return 2; 39595a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 39605a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 39615a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 39625a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 3963ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3964ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 39655a86bd55SVille Syrjälä return plane ? 2 : 1; 39665a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 39675a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 39685a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 39695a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 39705a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 39715a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 39725a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 39735a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 39745a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 39755a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 39765a86bd55SVille Syrjälä return 1; 39775a86bd55SVille Syrjälä default: 39785a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 39795a86bd55SVille Syrjälä return bpp >> 3; 39805a86bd55SVille Syrjälä } 39815a86bd55SVille Syrjälä } 39825a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 398301b68b04SVille Syrjälä 398401b68b04SVille Syrjälä /** 398501b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 398601b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 398701b68b04SVille Syrjälä * 398801b68b04SVille Syrjälä * RETURNS: 398901b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 399001b68b04SVille Syrjälä * specified pixel format. 399101b68b04SVille Syrjälä */ 399201b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 399301b68b04SVille Syrjälä { 399401b68b04SVille Syrjälä switch (format) { 399501b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 399601b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 399701b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 399801b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 399901b68b04SVille Syrjälä return 4; 400001b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 400101b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 400201b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 400301b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 400401b68b04SVille Syrjälä case DRM_FORMAT_NV12: 400501b68b04SVille Syrjälä case DRM_FORMAT_NV21: 400601b68b04SVille Syrjälä case DRM_FORMAT_NV16: 400701b68b04SVille Syrjälä case DRM_FORMAT_NV61: 400801b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 400901b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 401001b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 401101b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 401201b68b04SVille Syrjälä return 2; 401301b68b04SVille Syrjälä default: 401401b68b04SVille Syrjälä return 1; 401501b68b04SVille Syrjälä } 401601b68b04SVille Syrjälä } 401701b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 401801b68b04SVille Syrjälä 401901b68b04SVille Syrjälä /** 402001b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 402101b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 402201b68b04SVille Syrjälä * 402301b68b04SVille Syrjälä * RETURNS: 402401b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 402501b68b04SVille Syrjälä * specified pixel format. 402601b68b04SVille Syrjälä */ 402701b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 402801b68b04SVille Syrjälä { 402901b68b04SVille Syrjälä switch (format) { 403001b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 403101b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 403201b68b04SVille Syrjälä return 4; 403301b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 403401b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 403501b68b04SVille Syrjälä case DRM_FORMAT_NV12: 403601b68b04SVille Syrjälä case DRM_FORMAT_NV21: 403701b68b04SVille Syrjälä return 2; 403801b68b04SVille Syrjälä default: 403901b68b04SVille Syrjälä return 1; 404001b68b04SVille Syrjälä } 404101b68b04SVille Syrjälä } 404201b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 404387d24fc3SLaurent Pinchart 404487d24fc3SLaurent Pinchart /** 404587d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 404687d24fc3SLaurent Pinchart * @dev: DRM device 404787d24fc3SLaurent Pinchart * 404887d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 404987d24fc3SLaurent Pinchart * configuration of @dev. 405087d24fc3SLaurent Pinchart * 405187d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 405287d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 405387d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 405487d24fc3SLaurent Pinchart * 405587d24fc3SLaurent Pinchart */ 405687d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 405787d24fc3SLaurent Pinchart { 405887d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 405987d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 406087d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 406187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 406287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 406387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 40643b336ec4SSean Paul INIT_LIST_HEAD(&dev->mode_config.bridge_list); 406587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 406687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 406787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 406887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 406987d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 407087d24fc3SLaurent Pinchart 407187d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 407287d24fc3SLaurent Pinchart drm_mode_create_standard_connector_properties(dev); 407387d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 407487d24fc3SLaurent Pinchart 407587d24fc3SLaurent Pinchart /* Just to be sure */ 407687d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 407787d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 407887d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 407987d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 408087d24fc3SLaurent Pinchart } 408187d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 408287d24fc3SLaurent Pinchart 408387d24fc3SLaurent Pinchart /** 408487d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 408587d24fc3SLaurent Pinchart * @dev: DRM device 408687d24fc3SLaurent Pinchart * 408787d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 408887d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 408987d24fc3SLaurent Pinchart * 409087d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 409187d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 409287d24fc3SLaurent Pinchart * this guarantee actually holds true. 409387d24fc3SLaurent Pinchart * 409487d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 409587d24fc3SLaurent Pinchart */ 409687d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 409787d24fc3SLaurent Pinchart { 409887d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 409987d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 410087d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 41013b336ec4SSean Paul struct drm_bridge *bridge, *brt; 410287d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 410387d24fc3SLaurent Pinchart struct drm_property *property, *pt; 410487d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 410587d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 410687d24fc3SLaurent Pinchart 410787d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 410887d24fc3SLaurent Pinchart head) { 410987d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 411087d24fc3SLaurent Pinchart } 411187d24fc3SLaurent Pinchart 41123b336ec4SSean Paul list_for_each_entry_safe(bridge, brt, 41133b336ec4SSean Paul &dev->mode_config.bridge_list, head) { 41143b336ec4SSean Paul bridge->funcs->destroy(bridge); 41153b336ec4SSean Paul } 41163b336ec4SSean Paul 411787d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 411887d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 411987d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 412087d24fc3SLaurent Pinchart } 412187d24fc3SLaurent Pinchart 412287d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 412387d24fc3SLaurent Pinchart head) { 412487d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 412587d24fc3SLaurent Pinchart } 412687d24fc3SLaurent Pinchart 412787d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 412887d24fc3SLaurent Pinchart head) { 412987d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 413087d24fc3SLaurent Pinchart } 413187d24fc3SLaurent Pinchart 413287d24fc3SLaurent Pinchart /* 413387d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 413487d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 413587d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 413687d24fc3SLaurent Pinchart * 413787d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 413887d24fc3SLaurent Pinchart * so politely WARN about this. 413987d24fc3SLaurent Pinchart */ 414087d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 414187d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 414287d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 414387d24fc3SLaurent Pinchart } 414487d24fc3SLaurent Pinchart 414587d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 414687d24fc3SLaurent Pinchart head) { 414787d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 414887d24fc3SLaurent Pinchart } 414987d24fc3SLaurent Pinchart 415087d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 415187d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 415287d24fc3SLaurent Pinchart } 415387d24fc3SLaurent Pinchart 415487d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 415587d24fc3SLaurent Pinchart } 415687d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 4157