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 128d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 129f453ba04SDave Airlie { 130f453ba04SDave Airlie { DRM_MODE_DITHERING_OFF, "Off" }, 131f453ba04SDave Airlie { DRM_MODE_DITHERING_ON, "On" }, 13292897b5cSBen Skeggs { DRM_MODE_DITHERING_AUTO, "Automatic" }, 133f453ba04SDave Airlie }; 134f453ba04SDave Airlie 135f453ba04SDave Airlie /* 136f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 137f453ba04SDave Airlie */ 138d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 139f453ba04SDave Airlie { 140f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 141f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 142f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 143f453ba04SDave Airlie }; 144f453ba04SDave Airlie 145f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 146f453ba04SDave Airlie 147d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 148f453ba04SDave Airlie { 149f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 150f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 151f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 152f453ba04SDave Airlie }; 153f453ba04SDave Airlie 154f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 155f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 156f453ba04SDave Airlie 157d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_select_enum_list[] = 158f453ba04SDave Airlie { 159f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 160f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 161f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 162f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 163aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 164f453ba04SDave Airlie }; 165f453ba04SDave Airlie 166f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 167f453ba04SDave Airlie 168d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 169f453ba04SDave Airlie { 170f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 171f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 172f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 173f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 174aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 175f453ba04SDave Airlie }; 176f453ba04SDave Airlie 177f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 178f453ba04SDave Airlie drm_tv_subconnector_enum_list) 179f453ba04SDave Airlie 180d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 181884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 182884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 183884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 184884840aaSJakob Bornecrantz }; 185884840aaSJakob Bornecrantz 186f453ba04SDave Airlie struct drm_conn_prop_enum_list { 187f453ba04SDave Airlie int type; 188d20d3174SVille Syrjälä const char *name; 189f453ba04SDave Airlie int count; 190f453ba04SDave Airlie }; 191f453ba04SDave Airlie 192f453ba04SDave Airlie /* 193f453ba04SDave Airlie * Connector and encoder types. 194f453ba04SDave Airlie */ 195f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 196f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 197f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 198f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 199f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 200f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 201f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 202f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 203f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 204f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 205e76116caSAlex Deucher { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, 206e76116caSAlex Deucher { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, 207e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, 208e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, 20974bd3c26SFrancisco Jerez { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 210e76116caSAlex Deucher { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, 211a7331e5cSThomas Hellstrom { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, 212f453ba04SDave Airlie }; 213f453ba04SDave Airlie 214d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_encoder_enum_list[] = 215f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 216f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 217f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 218f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 219f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 220a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 221f453ba04SDave Airlie }; 222f453ba04SDave Airlie 223d20d3174SVille Syrjälä const char *drm_get_encoder_name(const struct drm_encoder *encoder) 224f453ba04SDave Airlie { 225f453ba04SDave Airlie static char buf[32]; 226f453ba04SDave Airlie 227f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 228f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 229f453ba04SDave Airlie encoder->base.id); 230f453ba04SDave Airlie return buf; 231f453ba04SDave Airlie } 23213a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 233f453ba04SDave Airlie 234d20d3174SVille Syrjälä const char *drm_get_connector_name(const struct drm_connector *connector) 235f453ba04SDave Airlie { 236f453ba04SDave Airlie static char buf[32]; 237f453ba04SDave Airlie 238f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 239f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 240f453ba04SDave Airlie connector->connector_type_id); 241f453ba04SDave Airlie return buf; 242f453ba04SDave Airlie } 243f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 244f453ba04SDave Airlie 245d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 246f453ba04SDave Airlie { 247f453ba04SDave Airlie if (status == connector_status_connected) 248f453ba04SDave Airlie return "connected"; 249f453ba04SDave Airlie else if (status == connector_status_disconnected) 250f453ba04SDave Airlie return "disconnected"; 251f453ba04SDave Airlie else 252f453ba04SDave Airlie return "unknown"; 253f453ba04SDave Airlie } 254ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 255f453ba04SDave Airlie 2566ba6d03eSVille Syrjälä static char printable_char(int c) 2576ba6d03eSVille Syrjälä { 2586ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2596ba6d03eSVille Syrjälä } 2606ba6d03eSVille Syrjälä 261d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2626ba6d03eSVille Syrjälä { 2636ba6d03eSVille Syrjälä static char buf[32]; 2646ba6d03eSVille Syrjälä 2656ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 2666ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 2676ba6d03eSVille Syrjälä printable_char(format & 0xff), 2686ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 2696ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 2706ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 2716ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 2726ba6d03eSVille Syrjälä format); 2736ba6d03eSVille Syrjälä 2746ba6d03eSVille Syrjälä return buf; 2756ba6d03eSVille Syrjälä } 2766ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 2776ba6d03eSVille Syrjälä 278f453ba04SDave Airlie /** 279065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 280f453ba04SDave Airlie * @dev: DRM device 281065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 282065a50edSDaniel Vetter * @obj_type: object type 283f453ba04SDave Airlie * 284f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 285f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 286f453ba04SDave Airlie * 287f453ba04SDave Airlie * RETURNS: 288f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 289f453ba04SDave Airlie * object. 290f453ba04SDave Airlie */ 291f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 292f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 293f453ba04SDave Airlie { 294f453ba04SDave Airlie int ret; 295f453ba04SDave Airlie 296ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 2972e928815STejun Heo ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); 2982e928815STejun Heo if (ret >= 0) { 2994b096ac1SDaniel Vetter /* 3004b096ac1SDaniel Vetter * Set up the object linking under the protection of the idr 3014b096ac1SDaniel Vetter * lock so that other users can't see inconsistent state. 3024b096ac1SDaniel Vetter */ 3032e928815STejun Heo obj->id = ret; 304f453ba04SDave Airlie obj->type = obj_type; 3054b096ac1SDaniel Vetter } 3064b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 3074b096ac1SDaniel Vetter 3082e928815STejun Heo return ret < 0 ? ret : 0; 309f453ba04SDave Airlie } 310f453ba04SDave Airlie 311f453ba04SDave Airlie /** 312065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 313f453ba04SDave Airlie * @dev: DRM device 314065a50edSDaniel Vetter * @object: object to free 315f453ba04SDave Airlie * 316f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 317f453ba04SDave Airlie */ 318f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 319f453ba04SDave Airlie struct drm_mode_object *object) 320f453ba04SDave Airlie { 321ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 322f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 323ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 324f453ba04SDave Airlie } 325f453ba04SDave Airlie 326786b99edSDaniel Vetter /** 327786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 328786b99edSDaniel Vetter * @dev: drm device 329786b99edSDaniel Vetter * @id: id of the mode object 330786b99edSDaniel Vetter * @type: type of the mode object 331786b99edSDaniel Vetter * 332786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 333786b99edSDaniel Vetter * are reference counted, they need special treatment. 334786b99edSDaniel Vetter */ 3357a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3367a9c9060SDaniel Vetter uint32_t id, uint32_t type) 337f453ba04SDave Airlie { 338ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 339f453ba04SDave Airlie 340786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 341786b99edSDaniel Vetter * function.*/ 342786b99edSDaniel Vetter WARN_ON(type == DRM_MODE_OBJECT_FB); 343786b99edSDaniel Vetter 344ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 345f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 346f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 347ad2563c2SJesse Barnes obj = NULL; 348ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 349f453ba04SDave Airlie 350f453ba04SDave Airlie return obj; 351f453ba04SDave Airlie } 352f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 353f453ba04SDave Airlie 354f453ba04SDave Airlie /** 355f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 356f453ba04SDave Airlie * @dev: DRM device 357065a50edSDaniel Vetter * @fb: framebuffer to be initialized 358065a50edSDaniel Vetter * @funcs: ... with these functions 359f453ba04SDave Airlie * 360f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 361f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 362f453ba04SDave Airlie * 3634b096ac1SDaniel Vetter * IMPORTANT: 3644b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 3654b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 3664b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 3674b096ac1SDaniel Vetter * locking but only correct reference counting is required. 3684b096ac1SDaniel Vetter * 369f453ba04SDave Airlie * RETURNS: 370af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 371f453ba04SDave Airlie */ 372f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 373f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 374f453ba04SDave Airlie { 375f453ba04SDave Airlie int ret; 376f453ba04SDave Airlie 3774b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 378f7eff60eSRob Clark kref_init(&fb->refcount); 3794b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 3804b096ac1SDaniel Vetter fb->dev = dev; 3814b096ac1SDaniel Vetter fb->funcs = funcs; 382f7eff60eSRob Clark 383f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 3846bfc56aaSVille Syrjälä if (ret) 3854b096ac1SDaniel Vetter goto out; 386f453ba04SDave Airlie 3872b677e8cSDaniel Vetter /* Grab the idr reference. */ 3882b677e8cSDaniel Vetter drm_framebuffer_reference(fb); 3892b677e8cSDaniel Vetter 390f453ba04SDave Airlie dev->mode_config.num_fb++; 391f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 3924b096ac1SDaniel Vetter out: 3934b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 394f453ba04SDave Airlie 395f453ba04SDave Airlie return 0; 396f453ba04SDave Airlie } 397f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 398f453ba04SDave Airlie 399f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 400f7eff60eSRob Clark { 401f7eff60eSRob Clark struct drm_framebuffer *fb = 402f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 403f7eff60eSRob Clark fb->funcs->destroy(fb); 404f7eff60eSRob Clark } 405f7eff60eSRob Clark 4062b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4072b677e8cSDaniel Vetter uint32_t id) 4082b677e8cSDaniel Vetter { 4092b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4102b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4112b677e8cSDaniel Vetter 4122b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4132b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4142b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4152b677e8cSDaniel Vetter fb = NULL; 4162b677e8cSDaniel Vetter else 4172b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4182b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4192b677e8cSDaniel Vetter 4202b677e8cSDaniel Vetter return fb; 4212b677e8cSDaniel Vetter } 4222b677e8cSDaniel Vetter 423f7eff60eSRob Clark /** 424786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 425786b99edSDaniel Vetter * @dev: drm device 426786b99edSDaniel Vetter * @id: id of the fb object 427786b99edSDaniel Vetter * 428786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 429786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 430786b99edSDaniel Vetter * again. 431786b99edSDaniel Vetter */ 432786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 433786b99edSDaniel Vetter uint32_t id) 434786b99edSDaniel Vetter { 435786b99edSDaniel Vetter struct drm_framebuffer *fb; 436786b99edSDaniel Vetter 437786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4382b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 439786b99edSDaniel Vetter if (fb) 4409131d3d8Sarchit taneja drm_framebuffer_reference(fb); 441786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 442786b99edSDaniel Vetter 443786b99edSDaniel Vetter return fb; 444786b99edSDaniel Vetter } 445786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 446786b99edSDaniel Vetter 447786b99edSDaniel Vetter /** 448f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 449065a50edSDaniel Vetter * @fb: framebuffer to unref 450065a50edSDaniel Vetter * 451065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 452f7eff60eSRob Clark */ 453f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 454f7eff60eSRob Clark { 455f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 456f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 457f7eff60eSRob Clark } 458f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 459f7eff60eSRob Clark 460f7eff60eSRob Clark /** 461f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 462065a50edSDaniel Vetter * @fb: framebuffer 463f7eff60eSRob Clark */ 464f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 465f7eff60eSRob Clark { 466f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 467f7eff60eSRob Clark kref_get(&fb->refcount); 468f7eff60eSRob Clark } 469f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 470f7eff60eSRob Clark 4712b677e8cSDaniel Vetter static void drm_framebuffer_free_bug(struct kref *kref) 4722b677e8cSDaniel Vetter { 4732b677e8cSDaniel Vetter BUG(); 4742b677e8cSDaniel Vetter } 4752b677e8cSDaniel Vetter 4766c2a7532SDaniel Vetter static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) 4776c2a7532SDaniel Vetter { 4786c2a7532SDaniel Vetter DRM_DEBUG("FB ID: %d\n", fb->base.id); 4796c2a7532SDaniel Vetter kref_put(&fb->refcount, drm_framebuffer_free_bug); 4806c2a7532SDaniel Vetter } 4816c2a7532SDaniel Vetter 4822b677e8cSDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 4832b677e8cSDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 4842b677e8cSDaniel Vetter struct drm_framebuffer *fb) 4852b677e8cSDaniel Vetter { 4862b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4872b677e8cSDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 4882b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4892b677e8cSDaniel Vetter 4902b677e8cSDaniel Vetter fb->base.id = 0; 4912b677e8cSDaniel Vetter 4926c2a7532SDaniel Vetter __drm_framebuffer_unreference(fb); 4932b677e8cSDaniel Vetter } 4942b677e8cSDaniel Vetter 495f453ba04SDave Airlie /** 49636206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 49736206361SDaniel Vetter * @fb: fb to unregister 49836206361SDaniel Vetter * 49936206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 50036206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 50136206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 50236206361SDaniel Vetter * locking inversion). 50336206361SDaniel Vetter */ 50436206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 50536206361SDaniel Vetter { 5062b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 5072b677e8cSDaniel Vetter 5082b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5092b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5102b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5112b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 51236206361SDaniel Vetter } 51336206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 51436206361SDaniel Vetter 51536206361SDaniel Vetter /** 516f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 517f453ba04SDave Airlie * @fb: framebuffer to remove 518f453ba04SDave Airlie * 51936206361SDaniel Vetter * Cleanup references to a user-created framebuffer. This function is intended 52036206361SDaniel Vetter * to be used from the drivers ->destroy callback. 52136206361SDaniel Vetter * 52236206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 52336206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 52436206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 52536206361SDaniel Vetter * 52636206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 52736206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 52836206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 52936206361SDaniel Vetter * drm_framebuffer_unregister_private. 530f453ba04SDave Airlie */ 531f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 532f453ba04SDave Airlie { 533f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5348faf6b18SDaniel Vetter 5354b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 536f7eff60eSRob Clark list_del(&fb->head); 537f7eff60eSRob Clark dev->mode_config.num_fb--; 5384b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 539f7eff60eSRob Clark } 540f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 541f7eff60eSRob Clark 542f7eff60eSRob Clark /** 543f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 544f7eff60eSRob Clark * @fb: framebuffer to remove 545f7eff60eSRob Clark * 546f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 54736206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 548b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 549b62584e3SDaniel Vetter * 550b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 551b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 552b62584e3SDaniel Vetter * modeset locks in this case. 553f7eff60eSRob Clark */ 554f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 555f7eff60eSRob Clark { 556f7eff60eSRob Clark struct drm_device *dev = fb->dev; 557f453ba04SDave Airlie struct drm_crtc *crtc; 5588cf5c917SJesse Barnes struct drm_plane *plane; 5595ef5f72fSDave Airlie struct drm_mode_set set; 5605ef5f72fSDave Airlie int ret; 561f453ba04SDave Airlie 5624b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5638faf6b18SDaniel Vetter 564b62584e3SDaniel Vetter /* 565b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 566b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 567b62584e3SDaniel Vetter * longer need, try to optimize this away. 568b62584e3SDaniel Vetter * 569b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 570b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 571b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 572b62584e3SDaniel Vetter * locks. 573b62584e3SDaniel Vetter * 574b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 575b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 576b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 577b62584e3SDaniel Vetter * in this manner. 578b62584e3SDaniel Vetter */ 579b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 580b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 581f453ba04SDave Airlie /* remove from any CRTC */ 582f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 5835ef5f72fSDave Airlie if (crtc->fb == fb) { 5845ef5f72fSDave Airlie /* should turn off the crtc */ 5855ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 5865ef5f72fSDave Airlie set.crtc = crtc; 5875ef5f72fSDave Airlie set.fb = NULL; 5882d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 5895ef5f72fSDave Airlie if (ret) 5905ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 5915ef5f72fSDave Airlie } 592f453ba04SDave Airlie } 593f453ba04SDave Airlie 5948cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 5958cf5c917SJesse Barnes if (plane->fb == fb) { 5968cf5c917SJesse Barnes /* should turn off the crtc */ 5978cf5c917SJesse Barnes ret = plane->funcs->disable_plane(plane); 5988cf5c917SJesse Barnes if (ret) 5998cf5c917SJesse Barnes DRM_ERROR("failed to disable plane with busy fb\n"); 600a9971157SRob Clark /* disconnect the plane from the fb and crtc: */ 6016c2a7532SDaniel Vetter __drm_framebuffer_unreference(plane->fb); 602a9971157SRob Clark plane->fb = NULL; 603a9971157SRob Clark plane->crtc = NULL; 6048cf5c917SJesse Barnes } 6058cf5c917SJesse Barnes } 606b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 607b62584e3SDaniel Vetter } 6088cf5c917SJesse Barnes 609f7eff60eSRob Clark drm_framebuffer_unreference(fb); 610f453ba04SDave Airlie } 611f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 612f453ba04SDave Airlie 613f453ba04SDave Airlie /** 614f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 615f453ba04SDave Airlie * @dev: DRM device 616f453ba04SDave Airlie * @crtc: CRTC object to init 617f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 618f453ba04SDave Airlie * 619f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 6206bfc56aaSVille Syrjälä * 6216bfc56aaSVille Syrjälä * RETURNS: 6226bfc56aaSVille Syrjälä * Zero on success, error code on failure. 623f453ba04SDave Airlie */ 6246bfc56aaSVille Syrjälä int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 625f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 626f453ba04SDave Airlie { 6276bfc56aaSVille Syrjälä int ret; 6286bfc56aaSVille Syrjälä 629f453ba04SDave Airlie crtc->dev = dev; 630f453ba04SDave Airlie crtc->funcs = funcs; 6317c80e128SRob Clark crtc->invert_dimensions = false; 632f453ba04SDave Airlie 63384849903SDaniel Vetter drm_modeset_lock_all(dev); 63429494c17SDaniel Vetter mutex_init(&crtc->mutex); 63529494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 6366bfc56aaSVille Syrjälä 6376bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6386bfc56aaSVille Syrjälä if (ret) 6396bfc56aaSVille Syrjälä goto out; 640f453ba04SDave Airlie 641bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 642bffd9de0SPaulo Zanoni 643f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 644f453ba04SDave Airlie dev->mode_config.num_crtc++; 6456bfc56aaSVille Syrjälä 6466bfc56aaSVille Syrjälä out: 64784849903SDaniel Vetter drm_modeset_unlock_all(dev); 6486bfc56aaSVille Syrjälä 6496bfc56aaSVille Syrjälä return ret; 650f453ba04SDave Airlie } 651f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 652f453ba04SDave Airlie 653f453ba04SDave Airlie /** 654f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 655f453ba04SDave Airlie * @crtc: CRTC to cleanup 656f453ba04SDave Airlie * 657f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 658f453ba04SDave Airlie * does NOT free object, caller does that. 659f453ba04SDave Airlie */ 660f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 661f453ba04SDave Airlie { 662f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 663f453ba04SDave Airlie 664f453ba04SDave Airlie kfree(crtc->gamma_store); 665f453ba04SDave Airlie crtc->gamma_store = NULL; 666f453ba04SDave Airlie 667f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 668f453ba04SDave Airlie list_del(&crtc->head); 669f453ba04SDave Airlie dev->mode_config.num_crtc--; 670f453ba04SDave Airlie } 671f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 672f453ba04SDave Airlie 673f453ba04SDave Airlie /** 674f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 675f453ba04SDave Airlie * @connector: connector the new mode 676f453ba04SDave Airlie * @mode: mode data 677f453ba04SDave Airlie * 678f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 679f453ba04SDave Airlie */ 680f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 681f453ba04SDave Airlie struct drm_display_mode *mode) 682f453ba04SDave Airlie { 683990256aeSVille Syrjälä list_add_tail(&mode->head, &connector->probed_modes); 684f453ba04SDave Airlie } 685f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 686f453ba04SDave Airlie 687f453ba04SDave Airlie /** 688f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 689f453ba04SDave Airlie * @connector: connector list to modify 690f453ba04SDave Airlie * @mode: mode to remove 691f453ba04SDave Airlie * 692f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 693f453ba04SDave Airlie */ 694f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 695f453ba04SDave Airlie struct drm_display_mode *mode) 696f453ba04SDave Airlie { 697f453ba04SDave Airlie list_del(&mode->head); 698554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 699f453ba04SDave Airlie } 700f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 701f453ba04SDave Airlie 702f453ba04SDave Airlie /** 703f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 704f453ba04SDave Airlie * @dev: DRM device 705f453ba04SDave Airlie * @connector: the connector to init 706f453ba04SDave Airlie * @funcs: callbacks for this connector 707065a50edSDaniel Vetter * @connector_type: user visible type of the connector 708f453ba04SDave Airlie * 709f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 710f453ba04SDave Airlie * subclassed as part of driver connector objects. 7116bfc56aaSVille Syrjälä * 7126bfc56aaSVille Syrjälä * RETURNS: 7136bfc56aaSVille Syrjälä * Zero on success, error code on failure. 714f453ba04SDave Airlie */ 7156bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 716f453ba04SDave Airlie struct drm_connector *connector, 717f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 718f453ba04SDave Airlie int connector_type) 719f453ba04SDave Airlie { 7206bfc56aaSVille Syrjälä int ret; 7216bfc56aaSVille Syrjälä 72284849903SDaniel Vetter drm_modeset_lock_all(dev); 723f453ba04SDave Airlie 7246bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 7256bfc56aaSVille Syrjälä if (ret) 7266bfc56aaSVille Syrjälä goto out; 7276bfc56aaSVille Syrjälä 7287e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 729f453ba04SDave Airlie connector->dev = dev; 730f453ba04SDave Airlie connector->funcs = funcs; 731f453ba04SDave Airlie connector->connector_type = connector_type; 732f453ba04SDave Airlie connector->connector_type_id = 733f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 734f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 735f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 736f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 7375e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 738f453ba04SDave Airlie 739f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 740f453ba04SDave Airlie dev->mode_config.num_connector++; 741f453ba04SDave Airlie 742a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 74358495563SRob Clark drm_object_attach_property(&connector->base, 744a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 745a7331e5cSThomas Hellstrom 0); 746f453ba04SDave Airlie 74758495563SRob Clark drm_object_attach_property(&connector->base, 748f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 749f453ba04SDave Airlie 7506bfc56aaSVille Syrjälä out: 75184849903SDaniel Vetter drm_modeset_unlock_all(dev); 7526bfc56aaSVille Syrjälä 7536bfc56aaSVille Syrjälä return ret; 754f453ba04SDave Airlie } 755f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 756f453ba04SDave Airlie 757f453ba04SDave Airlie /** 758f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 759f453ba04SDave Airlie * @connector: connector to cleanup 760f453ba04SDave Airlie * 761f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 762f453ba04SDave Airlie */ 763f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 764f453ba04SDave Airlie { 765f453ba04SDave Airlie struct drm_device *dev = connector->dev; 766f453ba04SDave Airlie struct drm_display_mode *mode, *t; 767f453ba04SDave Airlie 768f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 769f453ba04SDave Airlie drm_mode_remove(connector, mode); 770f453ba04SDave Airlie 771f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 772f453ba04SDave Airlie drm_mode_remove(connector, mode); 773f453ba04SDave Airlie 774f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 775f453ba04SDave Airlie list_del(&connector->head); 7766380c509SJoonyoung Shim dev->mode_config.num_connector--; 777f453ba04SDave Airlie } 778f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 779f453ba04SDave Airlie 780cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 781cbc7e221SDave Airlie { 782cbc7e221SDave Airlie struct drm_connector *connector; 783cbc7e221SDave Airlie 784cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 785cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 786cbc7e221SDave Airlie drm_sysfs_connector_remove(connector); 787cbc7e221SDave Airlie 788cbc7e221SDave Airlie } 789cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 790cbc7e221SDave Airlie 7916bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 792f453ba04SDave Airlie struct drm_encoder *encoder, 793f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 794f453ba04SDave Airlie int encoder_type) 795f453ba04SDave Airlie { 7966bfc56aaSVille Syrjälä int ret; 7976bfc56aaSVille Syrjälä 79884849903SDaniel Vetter drm_modeset_lock_all(dev); 799f453ba04SDave Airlie 8006bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 8016bfc56aaSVille Syrjälä if (ret) 8026bfc56aaSVille Syrjälä goto out; 803f453ba04SDave Airlie 8046bfc56aaSVille Syrjälä encoder->dev = dev; 805f453ba04SDave Airlie encoder->encoder_type = encoder_type; 806f453ba04SDave Airlie encoder->funcs = funcs; 807f453ba04SDave Airlie 808f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 809f453ba04SDave Airlie dev->mode_config.num_encoder++; 810f453ba04SDave Airlie 8116bfc56aaSVille Syrjälä out: 81284849903SDaniel Vetter drm_modeset_unlock_all(dev); 8136bfc56aaSVille Syrjälä 8146bfc56aaSVille Syrjälä return ret; 815f453ba04SDave Airlie } 816f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 817f453ba04SDave Airlie 818f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 819f453ba04SDave Airlie { 820f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 82184849903SDaniel Vetter drm_modeset_lock_all(dev); 822f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 823f453ba04SDave Airlie list_del(&encoder->head); 8246380c509SJoonyoung Shim dev->mode_config.num_encoder--; 82584849903SDaniel Vetter drm_modeset_unlock_all(dev); 826f453ba04SDave Airlie } 827f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 828f453ba04SDave Airlie 8298cf5c917SJesse Barnes int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 8308cf5c917SJesse Barnes unsigned long possible_crtcs, 8318cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 8320a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 8330a7eb243SRob Clark bool priv) 8348cf5c917SJesse Barnes { 8356bfc56aaSVille Syrjälä int ret; 8366bfc56aaSVille Syrjälä 83784849903SDaniel Vetter drm_modeset_lock_all(dev); 8388cf5c917SJesse Barnes 8396bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 8406bfc56aaSVille Syrjälä if (ret) 8416bfc56aaSVille Syrjälä goto out; 8426bfc56aaSVille Syrjälä 8434d93914aSRob Clark plane->base.properties = &plane->properties; 8448cf5c917SJesse Barnes plane->dev = dev; 8458cf5c917SJesse Barnes plane->funcs = funcs; 8468cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 8478cf5c917SJesse Barnes GFP_KERNEL); 8488cf5c917SJesse Barnes if (!plane->format_types) { 8498cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 8508cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 8516bfc56aaSVille Syrjälä ret = -ENOMEM; 8526bfc56aaSVille Syrjälä goto out; 8538cf5c917SJesse Barnes } 8548cf5c917SJesse Barnes 855308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 8568cf5c917SJesse Barnes plane->format_count = format_count; 8578cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 8588cf5c917SJesse Barnes 8590a7eb243SRob Clark /* private planes are not exposed to userspace, but depending on 8600a7eb243SRob Clark * display hardware, might be convenient to allow sharing programming 8610a7eb243SRob Clark * for the scanout engine with the crtc implementation. 8620a7eb243SRob Clark */ 8630a7eb243SRob Clark if (!priv) { 8648cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 8658cf5c917SJesse Barnes dev->mode_config.num_plane++; 8660a7eb243SRob Clark } else { 8670a7eb243SRob Clark INIT_LIST_HEAD(&plane->head); 8680a7eb243SRob Clark } 8698cf5c917SJesse Barnes 8706bfc56aaSVille Syrjälä out: 87184849903SDaniel Vetter drm_modeset_unlock_all(dev); 8728cf5c917SJesse Barnes 8736bfc56aaSVille Syrjälä return ret; 8748cf5c917SJesse Barnes } 8758cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 8768cf5c917SJesse Barnes 8778cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 8788cf5c917SJesse Barnes { 8798cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 8808cf5c917SJesse Barnes 88184849903SDaniel Vetter drm_modeset_lock_all(dev); 8828cf5c917SJesse Barnes kfree(plane->format_types); 8838cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 8840a7eb243SRob Clark /* if not added to a list, it must be a private plane */ 8850a7eb243SRob Clark if (!list_empty(&plane->head)) { 8868cf5c917SJesse Barnes list_del(&plane->head); 8878cf5c917SJesse Barnes dev->mode_config.num_plane--; 8880a7eb243SRob Clark } 88984849903SDaniel Vetter drm_modeset_unlock_all(dev); 8908cf5c917SJesse Barnes } 8918cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 8928cf5c917SJesse Barnes 893f453ba04SDave Airlie /** 894f453ba04SDave Airlie * drm_mode_create - create a new display mode 895f453ba04SDave Airlie * @dev: DRM device 896f453ba04SDave Airlie * 897f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 898f453ba04SDave Airlie * 899f453ba04SDave Airlie * RETURNS: 900f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 901f453ba04SDave Airlie */ 902f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 903f453ba04SDave Airlie { 904f453ba04SDave Airlie struct drm_display_mode *nmode; 905f453ba04SDave Airlie 906f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 907f453ba04SDave Airlie if (!nmode) 908f453ba04SDave Airlie return NULL; 909f453ba04SDave Airlie 9106bfc56aaSVille Syrjälä if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 9116bfc56aaSVille Syrjälä kfree(nmode); 9126bfc56aaSVille Syrjälä return NULL; 9136bfc56aaSVille Syrjälä } 9146bfc56aaSVille Syrjälä 915f453ba04SDave Airlie return nmode; 916f453ba04SDave Airlie } 917f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 918f453ba04SDave Airlie 919f453ba04SDave Airlie /** 920f453ba04SDave Airlie * drm_mode_destroy - remove a mode 921f453ba04SDave Airlie * @dev: DRM device 922f453ba04SDave Airlie * @mode: mode to remove 923f453ba04SDave Airlie * 924f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 925f453ba04SDave Airlie */ 926f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 927f453ba04SDave Airlie { 928ee34ab5bSVille Syrjälä if (!mode) 929ee34ab5bSVille Syrjälä return; 930ee34ab5bSVille Syrjälä 931f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 932f453ba04SDave Airlie 933f453ba04SDave Airlie kfree(mode); 934f453ba04SDave Airlie } 935f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 936f453ba04SDave Airlie 937f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 938f453ba04SDave Airlie { 939f453ba04SDave Airlie struct drm_property *edid; 940f453ba04SDave Airlie struct drm_property *dpms; 941f453ba04SDave Airlie 942f453ba04SDave Airlie /* 943f453ba04SDave Airlie * Standard properties (apply to all connectors) 944f453ba04SDave Airlie */ 945f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 946f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 947f453ba04SDave Airlie "EDID", 0); 948f453ba04SDave Airlie dev->mode_config.edid_property = edid; 949f453ba04SDave Airlie 9504a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 9514a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 9524a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 953f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 954f453ba04SDave Airlie 955f453ba04SDave Airlie return 0; 956f453ba04SDave Airlie } 957f453ba04SDave Airlie 958f453ba04SDave Airlie /** 959f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 960f453ba04SDave Airlie * @dev: DRM device 961f453ba04SDave Airlie * 962f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 963f453ba04SDave Airlie */ 964f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 965f453ba04SDave Airlie { 966f453ba04SDave Airlie struct drm_property *dvi_i_selector; 967f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 968f453ba04SDave Airlie 969f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 970f453ba04SDave Airlie return 0; 971f453ba04SDave Airlie 972f453ba04SDave Airlie dvi_i_selector = 9734a67d391SSascha Hauer drm_property_create_enum(dev, 0, 974f453ba04SDave Airlie "select subconnector", 9754a67d391SSascha Hauer drm_dvi_i_select_enum_list, 976f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 977f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 978f453ba04SDave Airlie 9794a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 980f453ba04SDave Airlie "subconnector", 9814a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 982f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 983f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 984f453ba04SDave Airlie 985f453ba04SDave Airlie return 0; 986f453ba04SDave Airlie } 987f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 988f453ba04SDave Airlie 989f453ba04SDave Airlie /** 990f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 991f453ba04SDave Airlie * @dev: DRM device 992f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 993f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 994f453ba04SDave Airlie * 995f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 996f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 997f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 998f453ba04SDave Airlie * this routine. 999f453ba04SDave Airlie */ 1000f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 1001f453ba04SDave Airlie char *modes[]) 1002f453ba04SDave Airlie { 1003f453ba04SDave Airlie struct drm_property *tv_selector; 1004f453ba04SDave Airlie struct drm_property *tv_subconnector; 1005f453ba04SDave Airlie int i; 1006f453ba04SDave Airlie 1007f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1008f453ba04SDave Airlie return 0; 1009f453ba04SDave Airlie 1010f453ba04SDave Airlie /* 1011f453ba04SDave Airlie * Basic connector properties 1012f453ba04SDave Airlie */ 10134a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1014f453ba04SDave Airlie "select subconnector", 10154a67d391SSascha Hauer drm_tv_select_enum_list, 1016f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1017f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1018f453ba04SDave Airlie 1019f453ba04SDave Airlie tv_subconnector = 10204a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 10214a67d391SSascha Hauer "subconnector", 10224a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1023f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1024f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1025f453ba04SDave Airlie 1026f453ba04SDave Airlie /* 1027f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1028f453ba04SDave Airlie */ 1029f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1030d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1031f453ba04SDave Airlie 1032f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1033d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1034f453ba04SDave Airlie 1035f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1036d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1037f453ba04SDave Airlie 1038f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1039d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1040f453ba04SDave Airlie 1041f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1042f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1043f453ba04SDave Airlie "mode", num_modes); 1044f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1045f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1046f453ba04SDave Airlie i, modes[i]); 1047f453ba04SDave Airlie 1048b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1049d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1050b6b7902eSFrancisco Jerez 1051b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1052d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1053b6b7902eSFrancisco Jerez 1054b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1055d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1056b6b7902eSFrancisco Jerez 1057a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1058d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1059a75f0236SFrancisco Jerez 1060a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1061d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1062a75f0236SFrancisco Jerez 1063a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1064d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1065a75f0236SFrancisco Jerez 1066f453ba04SDave Airlie return 0; 1067f453ba04SDave Airlie } 1068f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1069f453ba04SDave Airlie 1070f453ba04SDave Airlie /** 1071f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1072f453ba04SDave Airlie * @dev: DRM device 1073f453ba04SDave Airlie * 1074f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1075f453ba04SDave Airlie * connectors. 1076f453ba04SDave Airlie */ 1077f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1078f453ba04SDave Airlie { 1079f453ba04SDave Airlie struct drm_property *scaling_mode; 1080f453ba04SDave Airlie 1081f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1082f453ba04SDave Airlie return 0; 1083f453ba04SDave Airlie 1084f453ba04SDave Airlie scaling_mode = 10854a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 10864a67d391SSascha Hauer drm_scaling_mode_enum_list, 1087f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1088f453ba04SDave Airlie 1089f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1090f453ba04SDave Airlie 1091f453ba04SDave Airlie return 0; 1092f453ba04SDave Airlie } 1093f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1094f453ba04SDave Airlie 1095f453ba04SDave Airlie /** 1096f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 1097f453ba04SDave Airlie * @dev: DRM device 1098f453ba04SDave Airlie * 1099f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1100f453ba04SDave Airlie * connectors. 1101f453ba04SDave Airlie */ 1102f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 1103f453ba04SDave Airlie { 1104f453ba04SDave Airlie struct drm_property *dithering_mode; 1105f453ba04SDave Airlie 1106f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 1107f453ba04SDave Airlie return 0; 1108f453ba04SDave Airlie 1109f453ba04SDave Airlie dithering_mode = 11104a67d391SSascha Hauer drm_property_create_enum(dev, 0, "dithering", 11114a67d391SSascha Hauer drm_dithering_mode_enum_list, 1112f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 1113f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 1114f453ba04SDave Airlie 1115f453ba04SDave Airlie return 0; 1116f453ba04SDave Airlie } 1117f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 1118f453ba04SDave Airlie 1119f453ba04SDave Airlie /** 1120884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1121884840aaSJakob Bornecrantz * @dev: DRM device 1122884840aaSJakob Bornecrantz * 1123884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1124884840aaSJakob Bornecrantz * connectors. 1125884840aaSJakob Bornecrantz */ 1126884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1127884840aaSJakob Bornecrantz { 1128884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1129884840aaSJakob Bornecrantz 1130884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1131884840aaSJakob Bornecrantz return 0; 1132884840aaSJakob Bornecrantz 1133884840aaSJakob Bornecrantz dirty_info = 11344a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1135884840aaSJakob Bornecrantz "dirty", 11364a67d391SSascha Hauer drm_dirty_info_enum_list, 1137884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1138884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1139884840aaSJakob Bornecrantz 1140884840aaSJakob Bornecrantz return 0; 1141884840aaSJakob Bornecrantz } 1142884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1143884840aaSJakob Bornecrantz 1144ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1145f453ba04SDave Airlie { 1146f453ba04SDave Airlie uint32_t total_objects = 0; 1147f453ba04SDave Airlie 1148f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1149f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1150f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1151f453ba04SDave Airlie 1152f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1153f453ba04SDave Airlie if (!group->id_list) 1154f453ba04SDave Airlie return -ENOMEM; 1155f453ba04SDave Airlie 1156f453ba04SDave Airlie group->num_crtcs = 0; 1157f453ba04SDave Airlie group->num_connectors = 0; 1158f453ba04SDave Airlie group->num_encoders = 0; 1159f453ba04SDave Airlie return 0; 1160f453ba04SDave Airlie } 1161f453ba04SDave Airlie 1162f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1163f453ba04SDave Airlie struct drm_mode_group *group) 1164f453ba04SDave Airlie { 1165f453ba04SDave Airlie struct drm_crtc *crtc; 1166f453ba04SDave Airlie struct drm_encoder *encoder; 1167f453ba04SDave Airlie struct drm_connector *connector; 1168f453ba04SDave Airlie int ret; 1169f453ba04SDave Airlie 1170f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1171f453ba04SDave Airlie return ret; 1172f453ba04SDave Airlie 1173f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1174f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1175f453ba04SDave Airlie 1176f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1177f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1178f453ba04SDave Airlie encoder->base.id; 1179f453ba04SDave Airlie 1180f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1181f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1182f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1183f453ba04SDave Airlie 1184f453ba04SDave Airlie return 0; 1185f453ba04SDave Airlie } 11869c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1187f453ba04SDave Airlie 1188f453ba04SDave Airlie /** 1189f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1190f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1191f453ba04SDave Airlie * @in: drm_display_mode to use 1192f453ba04SDave Airlie * 1193f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1194f453ba04SDave Airlie * the user. 1195f453ba04SDave Airlie */ 119693bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 119793bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1198f453ba04SDave Airlie { 1199e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1200e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1201e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1202e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1203e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1204e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1205e36fae38SVille Syrjälä 1206f453ba04SDave Airlie out->clock = in->clock; 1207f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1208f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1209f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1210f453ba04SDave Airlie out->htotal = in->htotal; 1211f453ba04SDave Airlie out->hskew = in->hskew; 1212f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1213f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1214f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1215f453ba04SDave Airlie out->vtotal = in->vtotal; 1216f453ba04SDave Airlie out->vscan = in->vscan; 1217f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1218f453ba04SDave Airlie out->flags = in->flags; 1219f453ba04SDave Airlie out->type = in->type; 1220f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1221f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1222f453ba04SDave Airlie } 1223f453ba04SDave Airlie 1224f453ba04SDave Airlie /** 1225f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1226f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1227f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1228f453ba04SDave Airlie * 1229f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1230f453ba04SDave Airlie * the caller. 123190367bf6SVille Syrjälä * 123290367bf6SVille Syrjälä * RETURNS: 123390367bf6SVille Syrjälä * Zero on success, errno on failure. 1234f453ba04SDave Airlie */ 123593bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 123693bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1237f453ba04SDave Airlie { 123890367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 123990367bf6SVille Syrjälä return -ERANGE; 124090367bf6SVille Syrjälä 1241f453ba04SDave Airlie out->clock = in->clock; 1242f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1243f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1244f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1245f453ba04SDave Airlie out->htotal = in->htotal; 1246f453ba04SDave Airlie out->hskew = in->hskew; 1247f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1248f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1249f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1250f453ba04SDave Airlie out->vtotal = in->vtotal; 1251f453ba04SDave Airlie out->vscan = in->vscan; 1252f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1253f453ba04SDave Airlie out->flags = in->flags; 1254f453ba04SDave Airlie out->type = in->type; 1255f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1256f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 125790367bf6SVille Syrjälä 125890367bf6SVille Syrjälä return 0; 1259f453ba04SDave Airlie } 1260f453ba04SDave Airlie 1261f453ba04SDave Airlie /** 1262f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1263065a50edSDaniel Vetter * @dev: drm device for the ioctl 1264065a50edSDaniel Vetter * @data: data pointer for the ioctl 1265065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1266f453ba04SDave Airlie * 1267f453ba04SDave Airlie * Construct a set of configuration description structures and return 1268f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1269f453ba04SDave Airlie * 1270f453ba04SDave Airlie * Called by the user via ioctl. 1271f453ba04SDave Airlie * 1272f453ba04SDave Airlie * RETURNS: 1273f453ba04SDave Airlie * Zero on success, errno on failure. 1274f453ba04SDave Airlie */ 1275f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1276f453ba04SDave Airlie struct drm_file *file_priv) 1277f453ba04SDave Airlie { 1278f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1279f453ba04SDave Airlie struct list_head *lh; 1280f453ba04SDave Airlie struct drm_framebuffer *fb; 1281f453ba04SDave Airlie struct drm_connector *connector; 1282f453ba04SDave Airlie struct drm_crtc *crtc; 1283f453ba04SDave Airlie struct drm_encoder *encoder; 1284f453ba04SDave Airlie int ret = 0; 1285f453ba04SDave Airlie int connector_count = 0; 1286f453ba04SDave Airlie int crtc_count = 0; 1287f453ba04SDave Airlie int fb_count = 0; 1288f453ba04SDave Airlie int encoder_count = 0; 1289f453ba04SDave Airlie int copied = 0, i; 1290f453ba04SDave Airlie uint32_t __user *fb_id; 1291f453ba04SDave Airlie uint32_t __user *crtc_id; 1292f453ba04SDave Airlie uint32_t __user *connector_id; 1293f453ba04SDave Airlie uint32_t __user *encoder_id; 1294f453ba04SDave Airlie struct drm_mode_group *mode_group; 1295f453ba04SDave Airlie 1296fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1297fb3b06c8SDave Airlie return -EINVAL; 1298fb3b06c8SDave Airlie 1299f453ba04SDave Airlie 13004b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1301f453ba04SDave Airlie /* 1302f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1303f453ba04SDave Airlie * by IDs in the group list for this node 1304f453ba04SDave Airlie */ 1305f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1306f453ba04SDave Airlie fb_count++; 1307f453ba04SDave Airlie 13084b096ac1SDaniel Vetter /* handle this in 4 parts */ 13094b096ac1SDaniel Vetter /* FBs */ 13104b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 13114b096ac1SDaniel Vetter copied = 0; 13124b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 13134b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 13144b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 13154b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 13164b096ac1SDaniel Vetter return -EFAULT; 13174b096ac1SDaniel Vetter } 13184b096ac1SDaniel Vetter copied++; 13194b096ac1SDaniel Vetter } 13204b096ac1SDaniel Vetter } 13214b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 13224b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 13234b096ac1SDaniel Vetter 13244b096ac1SDaniel Vetter drm_modeset_lock_all(dev); 1325f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1326f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1327f453ba04SDave Airlie 1328f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1329f453ba04SDave Airlie crtc_count++; 1330f453ba04SDave Airlie 1331f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1332f453ba04SDave Airlie connector_count++; 1333f453ba04SDave Airlie 1334f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1335f453ba04SDave Airlie encoder_count++; 1336f453ba04SDave Airlie } else { 1337f453ba04SDave Airlie 1338f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1339f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1340f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1341f453ba04SDave Airlie } 1342f453ba04SDave Airlie 1343f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1344f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1345f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1346f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1347f453ba04SDave Airlie 1348f453ba04SDave Airlie /* CRTCs */ 1349f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1350f453ba04SDave Airlie copied = 0; 1351f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1352f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1353f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1354f453ba04SDave Airlie head) { 13559440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1356f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1357f453ba04SDave Airlie ret = -EFAULT; 1358f453ba04SDave Airlie goto out; 1359f453ba04SDave Airlie } 1360f453ba04SDave Airlie copied++; 1361f453ba04SDave Airlie } 1362f453ba04SDave Airlie } else { 1363f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1364f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1365f453ba04SDave Airlie crtc_id + copied)) { 1366f453ba04SDave Airlie ret = -EFAULT; 1367f453ba04SDave Airlie goto out; 1368f453ba04SDave Airlie } 1369f453ba04SDave Airlie copied++; 1370f453ba04SDave Airlie } 1371f453ba04SDave Airlie } 1372f453ba04SDave Airlie } 1373f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1374f453ba04SDave Airlie 1375f453ba04SDave Airlie /* Encoders */ 1376f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1377f453ba04SDave Airlie copied = 0; 1378f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1379f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1380f453ba04SDave Airlie list_for_each_entry(encoder, 1381f453ba04SDave Airlie &dev->mode_config.encoder_list, 1382f453ba04SDave Airlie head) { 13839440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 13849440106bSJerome Glisse drm_get_encoder_name(encoder)); 1385f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1386f453ba04SDave Airlie copied)) { 1387f453ba04SDave Airlie ret = -EFAULT; 1388f453ba04SDave Airlie goto out; 1389f453ba04SDave Airlie } 1390f453ba04SDave Airlie copied++; 1391f453ba04SDave Airlie } 1392f453ba04SDave Airlie } else { 1393f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1394f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1395f453ba04SDave Airlie encoder_id + copied)) { 1396f453ba04SDave Airlie ret = -EFAULT; 1397f453ba04SDave Airlie goto out; 1398f453ba04SDave Airlie } 1399f453ba04SDave Airlie copied++; 1400f453ba04SDave Airlie } 1401f453ba04SDave Airlie 1402f453ba04SDave Airlie } 1403f453ba04SDave Airlie } 1404f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1405f453ba04SDave Airlie 1406f453ba04SDave Airlie /* Connectors */ 1407f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1408f453ba04SDave Airlie copied = 0; 1409f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1410f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1411f453ba04SDave Airlie list_for_each_entry(connector, 1412f453ba04SDave Airlie &dev->mode_config.connector_list, 1413f453ba04SDave Airlie head) { 14149440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 14159440106bSJerome Glisse connector->base.id, 14169440106bSJerome Glisse drm_get_connector_name(connector)); 1417f453ba04SDave Airlie if (put_user(connector->base.id, 1418f453ba04SDave Airlie connector_id + copied)) { 1419f453ba04SDave Airlie ret = -EFAULT; 1420f453ba04SDave Airlie goto out; 1421f453ba04SDave Airlie } 1422f453ba04SDave Airlie copied++; 1423f453ba04SDave Airlie } 1424f453ba04SDave Airlie } else { 1425f453ba04SDave Airlie int start = mode_group->num_crtcs + 1426f453ba04SDave Airlie mode_group->num_encoders; 1427f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1428f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1429f453ba04SDave Airlie connector_id + copied)) { 1430f453ba04SDave Airlie ret = -EFAULT; 1431f453ba04SDave Airlie goto out; 1432f453ba04SDave Airlie } 1433f453ba04SDave Airlie copied++; 1434f453ba04SDave Airlie } 1435f453ba04SDave Airlie } 1436f453ba04SDave Airlie } 1437f453ba04SDave Airlie card_res->count_connectors = connector_count; 1438f453ba04SDave Airlie 14399440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1440f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1441f453ba04SDave Airlie 1442f453ba04SDave Airlie out: 144384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1444f453ba04SDave Airlie return ret; 1445f453ba04SDave Airlie } 1446f453ba04SDave Airlie 1447f453ba04SDave Airlie /** 1448f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1449065a50edSDaniel Vetter * @dev: drm device for the ioctl 1450065a50edSDaniel Vetter * @data: data pointer for the ioctl 1451065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1452f453ba04SDave Airlie * 1453f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1454f453ba04SDave Airlie * 1455f453ba04SDave Airlie * Called by the user via ioctl. 1456f453ba04SDave Airlie * 1457f453ba04SDave Airlie * RETURNS: 1458f453ba04SDave Airlie * Zero on success, errno on failure. 1459f453ba04SDave Airlie */ 1460f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1461f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1462f453ba04SDave Airlie { 1463f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1464f453ba04SDave Airlie struct drm_crtc *crtc; 1465f453ba04SDave Airlie struct drm_mode_object *obj; 1466f453ba04SDave Airlie int ret = 0; 1467f453ba04SDave Airlie 1468fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1469fb3b06c8SDave Airlie return -EINVAL; 1470fb3b06c8SDave Airlie 147184849903SDaniel Vetter drm_modeset_lock_all(dev); 1472f453ba04SDave Airlie 1473f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1474f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1475f453ba04SDave Airlie if (!obj) { 1476f453ba04SDave Airlie ret = -EINVAL; 1477f453ba04SDave Airlie goto out; 1478f453ba04SDave Airlie } 1479f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1480f453ba04SDave Airlie 1481f453ba04SDave Airlie crtc_resp->x = crtc->x; 1482f453ba04SDave Airlie crtc_resp->y = crtc->y; 1483f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1484f453ba04SDave Airlie if (crtc->fb) 1485f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1486f453ba04SDave Airlie else 1487f453ba04SDave Airlie crtc_resp->fb_id = 0; 1488f453ba04SDave Airlie 1489f453ba04SDave Airlie if (crtc->enabled) { 1490f453ba04SDave Airlie 1491f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1492f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1493f453ba04SDave Airlie 1494f453ba04SDave Airlie } else { 1495f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1496f453ba04SDave Airlie } 1497f453ba04SDave Airlie 1498f453ba04SDave Airlie out: 149984849903SDaniel Vetter drm_modeset_unlock_all(dev); 1500f453ba04SDave Airlie return ret; 1501f453ba04SDave Airlie } 1502f453ba04SDave Airlie 1503f453ba04SDave Airlie /** 1504f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1505065a50edSDaniel Vetter * @dev: drm device for the ioctl 1506065a50edSDaniel Vetter * @data: data pointer for the ioctl 1507065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1508f453ba04SDave Airlie * 1509f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1510f453ba04SDave Airlie * 1511f453ba04SDave Airlie * Called by the user via ioctl. 1512f453ba04SDave Airlie * 1513f453ba04SDave Airlie * RETURNS: 1514f453ba04SDave Airlie * Zero on success, errno on failure. 1515f453ba04SDave Airlie */ 1516f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1517f453ba04SDave Airlie struct drm_file *file_priv) 1518f453ba04SDave Airlie { 1519f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1520f453ba04SDave Airlie struct drm_mode_object *obj; 1521f453ba04SDave Airlie struct drm_connector *connector; 1522f453ba04SDave Airlie struct drm_display_mode *mode; 1523f453ba04SDave Airlie int mode_count = 0; 1524f453ba04SDave Airlie int props_count = 0; 1525f453ba04SDave Airlie int encoders_count = 0; 1526f453ba04SDave Airlie int ret = 0; 1527f453ba04SDave Airlie int copied = 0; 1528f453ba04SDave Airlie int i; 1529f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1530f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1531f453ba04SDave Airlie uint32_t __user *prop_ptr; 1532f453ba04SDave Airlie uint64_t __user *prop_values; 1533f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1534f453ba04SDave Airlie 1535fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1536fb3b06c8SDave Airlie return -EINVAL; 1537fb3b06c8SDave Airlie 1538f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1539f453ba04SDave Airlie 15409440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1541f453ba04SDave Airlie 15427b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1543f453ba04SDave Airlie 1544f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1545f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1546f453ba04SDave Airlie if (!obj) { 1547f453ba04SDave Airlie ret = -EINVAL; 1548f453ba04SDave Airlie goto out; 1549f453ba04SDave Airlie } 1550f453ba04SDave Airlie connector = obj_to_connector(obj); 1551f453ba04SDave Airlie 15527f88a9beSPaulo Zanoni props_count = connector->properties.count; 1553f453ba04SDave Airlie 1554f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1555f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1556f453ba04SDave Airlie encoders_count++; 1557f453ba04SDave Airlie } 1558f453ba04SDave Airlie } 1559f453ba04SDave Airlie 1560f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1561f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1562f453ba04SDave Airlie dev->mode_config.max_width, 1563f453ba04SDave Airlie dev->mode_config.max_height); 1564f453ba04SDave Airlie } 1565f453ba04SDave Airlie 1566f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1567f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1568f453ba04SDave Airlie mode_count++; 1569f453ba04SDave Airlie 1570f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1571f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1572f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1573f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1574f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1575f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1576f453ba04SDave Airlie out_resp->connection = connector->status; 1577f453ba04SDave Airlie if (connector->encoder) 1578f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1579f453ba04SDave Airlie else 1580f453ba04SDave Airlie out_resp->encoder_id = 0; 1581f453ba04SDave Airlie 1582f453ba04SDave Airlie /* 1583f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1584f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1585f453ba04SDave Airlie */ 1586f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1587f453ba04SDave Airlie copied = 0; 158881f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 1589f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1590f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1591f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1592f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1593f453ba04SDave Airlie ret = -EFAULT; 1594f453ba04SDave Airlie goto out; 1595f453ba04SDave Airlie } 1596f453ba04SDave Airlie copied++; 1597f453ba04SDave Airlie } 1598f453ba04SDave Airlie } 1599f453ba04SDave Airlie out_resp->count_modes = mode_count; 1600f453ba04SDave Airlie 1601f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1602f453ba04SDave Airlie copied = 0; 160381f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 160481f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 16057f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 16067e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 1607f453ba04SDave Airlie prop_ptr + copied)) { 1608f453ba04SDave Airlie ret = -EFAULT; 1609f453ba04SDave Airlie goto out; 1610f453ba04SDave Airlie } 1611f453ba04SDave Airlie 16127e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 1613f453ba04SDave Airlie prop_values + copied)) { 1614f453ba04SDave Airlie ret = -EFAULT; 1615f453ba04SDave Airlie goto out; 1616f453ba04SDave Airlie } 1617f453ba04SDave Airlie copied++; 1618f453ba04SDave Airlie } 1619f453ba04SDave Airlie } 1620f453ba04SDave Airlie out_resp->count_props = props_count; 1621f453ba04SDave Airlie 1622f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1623f453ba04SDave Airlie copied = 0; 162481f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 1625f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1626f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1627f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1628f453ba04SDave Airlie encoder_ptr + copied)) { 1629f453ba04SDave Airlie ret = -EFAULT; 1630f453ba04SDave Airlie goto out; 1631f453ba04SDave Airlie } 1632f453ba04SDave Airlie copied++; 1633f453ba04SDave Airlie } 1634f453ba04SDave Airlie } 1635f453ba04SDave Airlie } 1636f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1637f453ba04SDave Airlie 1638f453ba04SDave Airlie out: 16397b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 16407b24056bSDaniel Vetter 1641f453ba04SDave Airlie return ret; 1642f453ba04SDave Airlie } 1643f453ba04SDave Airlie 1644f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1645f453ba04SDave Airlie struct drm_file *file_priv) 1646f453ba04SDave Airlie { 1647f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1648f453ba04SDave Airlie struct drm_mode_object *obj; 1649f453ba04SDave Airlie struct drm_encoder *encoder; 1650f453ba04SDave Airlie int ret = 0; 1651f453ba04SDave Airlie 1652fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1653fb3b06c8SDave Airlie return -EINVAL; 1654fb3b06c8SDave Airlie 165584849903SDaniel Vetter drm_modeset_lock_all(dev); 1656f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1657f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1658f453ba04SDave Airlie if (!obj) { 1659f453ba04SDave Airlie ret = -EINVAL; 1660f453ba04SDave Airlie goto out; 1661f453ba04SDave Airlie } 1662f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1663f453ba04SDave Airlie 1664f453ba04SDave Airlie if (encoder->crtc) 1665f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1666f453ba04SDave Airlie else 1667f453ba04SDave Airlie enc_resp->crtc_id = 0; 1668f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1669f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1670f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1671f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1672f453ba04SDave Airlie 1673f453ba04SDave Airlie out: 167484849903SDaniel Vetter drm_modeset_unlock_all(dev); 1675f453ba04SDave Airlie return ret; 1676f453ba04SDave Airlie } 1677f453ba04SDave Airlie 1678f453ba04SDave Airlie /** 16798cf5c917SJesse Barnes * drm_mode_getplane_res - get plane info 16808cf5c917SJesse Barnes * @dev: DRM device 16818cf5c917SJesse Barnes * @data: ioctl data 16828cf5c917SJesse Barnes * @file_priv: DRM file info 16838cf5c917SJesse Barnes * 16848cf5c917SJesse Barnes * Return an plane count and set of IDs. 16858cf5c917SJesse Barnes */ 16868cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 16878cf5c917SJesse Barnes struct drm_file *file_priv) 16888cf5c917SJesse Barnes { 16898cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 16908cf5c917SJesse Barnes struct drm_mode_config *config; 16918cf5c917SJesse Barnes struct drm_plane *plane; 16928cf5c917SJesse Barnes uint32_t __user *plane_ptr; 16938cf5c917SJesse Barnes int copied = 0, ret = 0; 16948cf5c917SJesse Barnes 16958cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 16968cf5c917SJesse Barnes return -EINVAL; 16978cf5c917SJesse Barnes 169884849903SDaniel Vetter drm_modeset_lock_all(dev); 16998cf5c917SJesse Barnes config = &dev->mode_config; 17008cf5c917SJesse Barnes 17018cf5c917SJesse Barnes /* 17028cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 17038cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 17048cf5c917SJesse Barnes */ 17058cf5c917SJesse Barnes if (config->num_plane && 17068cf5c917SJesse Barnes (plane_resp->count_planes >= config->num_plane)) { 170781f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 17088cf5c917SJesse Barnes 17098cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 17108cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 17118cf5c917SJesse Barnes ret = -EFAULT; 17128cf5c917SJesse Barnes goto out; 17138cf5c917SJesse Barnes } 17148cf5c917SJesse Barnes copied++; 17158cf5c917SJesse Barnes } 17168cf5c917SJesse Barnes } 17178cf5c917SJesse Barnes plane_resp->count_planes = config->num_plane; 17188cf5c917SJesse Barnes 17198cf5c917SJesse Barnes out: 172084849903SDaniel Vetter drm_modeset_unlock_all(dev); 17218cf5c917SJesse Barnes return ret; 17228cf5c917SJesse Barnes } 17238cf5c917SJesse Barnes 17248cf5c917SJesse Barnes /** 17258cf5c917SJesse Barnes * drm_mode_getplane - get plane info 17268cf5c917SJesse Barnes * @dev: DRM device 17278cf5c917SJesse Barnes * @data: ioctl data 17288cf5c917SJesse Barnes * @file_priv: DRM file info 17298cf5c917SJesse Barnes * 17308cf5c917SJesse Barnes * Return plane info, including formats supported, gamma size, any 17318cf5c917SJesse Barnes * current fb, etc. 17328cf5c917SJesse Barnes */ 17338cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 17348cf5c917SJesse Barnes struct drm_file *file_priv) 17358cf5c917SJesse Barnes { 17368cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 17378cf5c917SJesse Barnes struct drm_mode_object *obj; 17388cf5c917SJesse Barnes struct drm_plane *plane; 17398cf5c917SJesse Barnes uint32_t __user *format_ptr; 17408cf5c917SJesse Barnes int ret = 0; 17418cf5c917SJesse Barnes 17428cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17438cf5c917SJesse Barnes return -EINVAL; 17448cf5c917SJesse Barnes 174584849903SDaniel Vetter drm_modeset_lock_all(dev); 17468cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_resp->plane_id, 17478cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 17488cf5c917SJesse Barnes if (!obj) { 17498cf5c917SJesse Barnes ret = -ENOENT; 17508cf5c917SJesse Barnes goto out; 17518cf5c917SJesse Barnes } 17528cf5c917SJesse Barnes plane = obj_to_plane(obj); 17538cf5c917SJesse Barnes 17548cf5c917SJesse Barnes if (plane->crtc) 17558cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 17568cf5c917SJesse Barnes else 17578cf5c917SJesse Barnes plane_resp->crtc_id = 0; 17588cf5c917SJesse Barnes 17598cf5c917SJesse Barnes if (plane->fb) 17608cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 17618cf5c917SJesse Barnes else 17628cf5c917SJesse Barnes plane_resp->fb_id = 0; 17638cf5c917SJesse Barnes 17648cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 17658cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 17668cf5c917SJesse Barnes plane_resp->gamma_size = plane->gamma_size; 17678cf5c917SJesse Barnes 17688cf5c917SJesse Barnes /* 17698cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 17708cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 17718cf5c917SJesse Barnes */ 17728cf5c917SJesse Barnes if (plane->format_count && 17738cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 177481f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 17758cf5c917SJesse Barnes if (copy_to_user(format_ptr, 17768cf5c917SJesse Barnes plane->format_types, 17778cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 17788cf5c917SJesse Barnes ret = -EFAULT; 17798cf5c917SJesse Barnes goto out; 17808cf5c917SJesse Barnes } 17818cf5c917SJesse Barnes } 17828cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 17838cf5c917SJesse Barnes 17848cf5c917SJesse Barnes out: 178584849903SDaniel Vetter drm_modeset_unlock_all(dev); 17868cf5c917SJesse Barnes return ret; 17878cf5c917SJesse Barnes } 17888cf5c917SJesse Barnes 17898cf5c917SJesse Barnes /** 17908cf5c917SJesse Barnes * drm_mode_setplane - set up or tear down an plane 17918cf5c917SJesse Barnes * @dev: DRM device 17928cf5c917SJesse Barnes * @data: ioctl data* 1793065a50edSDaniel Vetter * @file_priv: DRM file info 17948cf5c917SJesse Barnes * 17958cf5c917SJesse Barnes * Set plane info, including placement, fb, scaling, and other factors. 17968cf5c917SJesse Barnes * Or pass a NULL fb to disable. 17978cf5c917SJesse Barnes */ 17988cf5c917SJesse Barnes int drm_mode_setplane(struct drm_device *dev, void *data, 17998cf5c917SJesse Barnes struct drm_file *file_priv) 18008cf5c917SJesse Barnes { 18018cf5c917SJesse Barnes struct drm_mode_set_plane *plane_req = data; 18028cf5c917SJesse Barnes struct drm_mode_object *obj; 18038cf5c917SJesse Barnes struct drm_plane *plane; 18048cf5c917SJesse Barnes struct drm_crtc *crtc; 18056c2a7532SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 18068cf5c917SJesse Barnes int ret = 0; 180742ef8789SVille Syrjälä unsigned int fb_width, fb_height; 180862443be6SVille Syrjälä int i; 18098cf5c917SJesse Barnes 18108cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 18118cf5c917SJesse Barnes return -EINVAL; 18128cf5c917SJesse Barnes 18138cf5c917SJesse Barnes /* 18148cf5c917SJesse Barnes * First, find the plane, crtc, and fb objects. If not available, 18158cf5c917SJesse Barnes * we don't bother to call the driver. 18168cf5c917SJesse Barnes */ 18178cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->plane_id, 18188cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 18198cf5c917SJesse Barnes if (!obj) { 18208cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown plane ID %d\n", 18218cf5c917SJesse Barnes plane_req->plane_id); 18226c2a7532SDaniel Vetter return -ENOENT; 18238cf5c917SJesse Barnes } 18248cf5c917SJesse Barnes plane = obj_to_plane(obj); 18258cf5c917SJesse Barnes 18268cf5c917SJesse Barnes /* No fb means shut it down */ 18278cf5c917SJesse Barnes if (!plane_req->fb_id) { 18286c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 18296c2a7532SDaniel Vetter old_fb = plane->fb; 18308cf5c917SJesse Barnes plane->funcs->disable_plane(plane); 1831e5e3b44cSVille Syrjälä plane->crtc = NULL; 1832e5e3b44cSVille Syrjälä plane->fb = NULL; 18336c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 18348cf5c917SJesse Barnes goto out; 18358cf5c917SJesse Barnes } 18368cf5c917SJesse Barnes 18378cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->crtc_id, 18388cf5c917SJesse Barnes DRM_MODE_OBJECT_CRTC); 18398cf5c917SJesse Barnes if (!obj) { 18408cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown crtc ID %d\n", 18418cf5c917SJesse Barnes plane_req->crtc_id); 18428cf5c917SJesse Barnes ret = -ENOENT; 18438cf5c917SJesse Barnes goto out; 18448cf5c917SJesse Barnes } 18458cf5c917SJesse Barnes crtc = obj_to_crtc(obj); 18468cf5c917SJesse Barnes 1847786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 1848786b99edSDaniel Vetter if (!fb) { 18498cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 18508cf5c917SJesse Barnes plane_req->fb_id); 18518cf5c917SJesse Barnes ret = -ENOENT; 18528cf5c917SJesse Barnes goto out; 18538cf5c917SJesse Barnes } 18548cf5c917SJesse Barnes 185562443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 185662443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 185762443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 185862443be6SVille Syrjälä break; 185962443be6SVille Syrjälä if (i == plane->format_count) { 18606ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 18616ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 186262443be6SVille Syrjälä ret = -EINVAL; 186362443be6SVille Syrjälä goto out; 186462443be6SVille Syrjälä } 186562443be6SVille Syrjälä 186642ef8789SVille Syrjälä fb_width = fb->width << 16; 186742ef8789SVille Syrjälä fb_height = fb->height << 16; 186842ef8789SVille Syrjälä 186942ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 187042ef8789SVille Syrjälä if (plane_req->src_w > fb_width || 187142ef8789SVille Syrjälä plane_req->src_x > fb_width - plane_req->src_w || 187242ef8789SVille Syrjälä plane_req->src_h > fb_height || 187342ef8789SVille Syrjälä plane_req->src_y > fb_height - plane_req->src_h) { 187442ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 187542ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 187642ef8789SVille Syrjälä plane_req->src_w >> 16, 187742ef8789SVille Syrjälä ((plane_req->src_w & 0xffff) * 15625) >> 10, 187842ef8789SVille Syrjälä plane_req->src_h >> 16, 187942ef8789SVille Syrjälä ((plane_req->src_h & 0xffff) * 15625) >> 10, 188042ef8789SVille Syrjälä plane_req->src_x >> 16, 188142ef8789SVille Syrjälä ((plane_req->src_x & 0xffff) * 15625) >> 10, 188242ef8789SVille Syrjälä plane_req->src_y >> 16, 188342ef8789SVille Syrjälä ((plane_req->src_y & 0xffff) * 15625) >> 10); 188442ef8789SVille Syrjälä ret = -ENOSPC; 188542ef8789SVille Syrjälä goto out; 188642ef8789SVille Syrjälä } 188742ef8789SVille Syrjälä 1888687a0400SVille Syrjälä /* Give drivers some help against integer overflows */ 1889687a0400SVille Syrjälä if (plane_req->crtc_w > INT_MAX || 1890687a0400SVille Syrjälä plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 1891687a0400SVille Syrjälä plane_req->crtc_h > INT_MAX || 1892687a0400SVille Syrjälä plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 1893687a0400SVille Syrjälä DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 1894687a0400SVille Syrjälä plane_req->crtc_w, plane_req->crtc_h, 1895687a0400SVille Syrjälä plane_req->crtc_x, plane_req->crtc_y); 1896687a0400SVille Syrjälä ret = -ERANGE; 1897687a0400SVille Syrjälä goto out; 1898687a0400SVille Syrjälä } 1899687a0400SVille Syrjälä 19006c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 19018cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 19028cf5c917SJesse Barnes plane_req->crtc_x, plane_req->crtc_y, 19038cf5c917SJesse Barnes plane_req->crtc_w, plane_req->crtc_h, 19048cf5c917SJesse Barnes plane_req->src_x, plane_req->src_y, 19058cf5c917SJesse Barnes plane_req->src_w, plane_req->src_h); 19068cf5c917SJesse Barnes if (!ret) { 19076c2a7532SDaniel Vetter old_fb = plane->fb; 19088cf5c917SJesse Barnes plane->crtc = crtc; 19098cf5c917SJesse Barnes plane->fb = fb; 191035f8badcSDaniel Vetter fb = NULL; 19118cf5c917SJesse Barnes } 19126c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 19138cf5c917SJesse Barnes 19148cf5c917SJesse Barnes out: 19156c2a7532SDaniel Vetter if (fb) 19166c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 19176c2a7532SDaniel Vetter if (old_fb) 19186c2a7532SDaniel Vetter drm_framebuffer_unreference(old_fb); 19198cf5c917SJesse Barnes 19208cf5c917SJesse Barnes return ret; 19218cf5c917SJesse Barnes } 19228cf5c917SJesse Barnes 19238cf5c917SJesse Barnes /** 19242d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 19252d13b679SDaniel Vetter * @set: modeset config to set 19262d13b679SDaniel Vetter * 19272d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 19282d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 19292d13b679SDaniel Vetter */ 19302d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 19312d13b679SDaniel Vetter { 19322d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 1933b0d12325SDaniel Vetter struct drm_framebuffer *fb, *old_fb; 1934b0d12325SDaniel Vetter int ret; 19352d13b679SDaniel Vetter 1936b0d12325SDaniel Vetter old_fb = crtc->fb; 1937b0d12325SDaniel Vetter fb = set->fb; 1938b0d12325SDaniel Vetter 1939b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 1940b0d12325SDaniel Vetter if (ret == 0) { 1941b0d12325SDaniel Vetter if (old_fb) 1942b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 1943b0d12325SDaniel Vetter if (fb) 1944b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 1945b0d12325SDaniel Vetter } 1946b0d12325SDaniel Vetter 1947b0d12325SDaniel Vetter return ret; 19482d13b679SDaniel Vetter } 19492d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 19502d13b679SDaniel Vetter 19512d13b679SDaniel Vetter /** 1952f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1953065a50edSDaniel Vetter * @dev: drm device for the ioctl 1954065a50edSDaniel Vetter * @data: data pointer for the ioctl 1955065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1956f453ba04SDave Airlie * 1957f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1958f453ba04SDave Airlie * 1959f453ba04SDave Airlie * Called by the user via ioctl. 1960f453ba04SDave Airlie * 1961f453ba04SDave Airlie * RETURNS: 1962f453ba04SDave Airlie * Zero on success, errno on failure. 1963f453ba04SDave Airlie */ 1964f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1965f453ba04SDave Airlie struct drm_file *file_priv) 1966f453ba04SDave Airlie { 1967f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1968f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1969f453ba04SDave Airlie struct drm_mode_object *obj; 19706653cc8dSVille Syrjälä struct drm_crtc *crtc; 1971f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1972f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1973f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1974f453ba04SDave Airlie struct drm_mode_set set; 1975f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 19764a1b0714SLaurent Pinchart int ret; 1977f453ba04SDave Airlie int i; 1978f453ba04SDave Airlie 1979fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1980fb3b06c8SDave Airlie return -EINVAL; 1981fb3b06c8SDave Airlie 19821d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 19831d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 19841d97e915SVille Syrjälä return -ERANGE; 19851d97e915SVille Syrjälä 198684849903SDaniel Vetter drm_modeset_lock_all(dev); 1987f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1988f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1989f453ba04SDave Airlie if (!obj) { 199058367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1991f453ba04SDave Airlie ret = -EINVAL; 1992f453ba04SDave Airlie goto out; 1993f453ba04SDave Airlie } 1994f453ba04SDave Airlie crtc = obj_to_crtc(obj); 19959440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1996f453ba04SDave Airlie 1997f453ba04SDave Airlie if (crtc_req->mode_valid) { 19987c80e128SRob Clark int hdisplay, vdisplay; 1999f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2000f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2001f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 20026653cc8dSVille Syrjälä if (!crtc->fb) { 20036653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 20046653cc8dSVille Syrjälä ret = -EINVAL; 20056653cc8dSVille Syrjälä goto out; 20066653cc8dSVille Syrjälä } 2007f453ba04SDave Airlie fb = crtc->fb; 2008b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2009b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2010f453ba04SDave Airlie } else { 2011786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2012786b99edSDaniel Vetter if (!fb) { 201358367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 201458367ed6SZhao Yakui crtc_req->fb_id); 2015f453ba04SDave Airlie ret = -EINVAL; 2016f453ba04SDave Airlie goto out; 2017f453ba04SDave Airlie } 2018f453ba04SDave Airlie } 2019f453ba04SDave Airlie 2020f453ba04SDave Airlie mode = drm_mode_create(dev); 2021ee34ab5bSVille Syrjälä if (!mode) { 2022ee34ab5bSVille Syrjälä ret = -ENOMEM; 2023ee34ab5bSVille Syrjälä goto out; 2024ee34ab5bSVille Syrjälä } 2025ee34ab5bSVille Syrjälä 202690367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 202790367bf6SVille Syrjälä if (ret) { 202890367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 202990367bf6SVille Syrjälä goto out; 203090367bf6SVille Syrjälä } 203190367bf6SVille Syrjälä 2032f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 20335f61bb42SVille Syrjälä 20347c80e128SRob Clark hdisplay = mode->hdisplay; 20357c80e128SRob Clark vdisplay = mode->vdisplay; 20367c80e128SRob Clark 20377c80e128SRob Clark if (crtc->invert_dimensions) 20387c80e128SRob Clark swap(hdisplay, vdisplay); 20397c80e128SRob Clark 20407c80e128SRob Clark if (hdisplay > fb->width || 20417c80e128SRob Clark vdisplay > fb->height || 20427c80e128SRob Clark crtc_req->x > fb->width - hdisplay || 20437c80e128SRob Clark crtc_req->y > fb->height - vdisplay) { 20447c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 20457c80e128SRob Clark fb->width, fb->height, 20467c80e128SRob Clark hdisplay, vdisplay, crtc_req->x, crtc_req->y, 20477c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 20485f61bb42SVille Syrjälä ret = -ENOSPC; 20495f61bb42SVille Syrjälä goto out; 20505f61bb42SVille Syrjälä } 2051f453ba04SDave Airlie } 2052f453ba04SDave Airlie 2053f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 205458367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2055f453ba04SDave Airlie ret = -EINVAL; 2056f453ba04SDave Airlie goto out; 2057f453ba04SDave Airlie } 2058f453ba04SDave Airlie 20597781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 206058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2061f453ba04SDave Airlie crtc_req->count_connectors); 2062f453ba04SDave Airlie ret = -EINVAL; 2063f453ba04SDave Airlie goto out; 2064f453ba04SDave Airlie } 2065f453ba04SDave Airlie 2066f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2067f453ba04SDave Airlie u32 out_id; 2068f453ba04SDave Airlie 2069f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2070f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2071f453ba04SDave Airlie ret = -EINVAL; 2072f453ba04SDave Airlie goto out; 2073f453ba04SDave Airlie } 2074f453ba04SDave Airlie 2075f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 2076f453ba04SDave Airlie sizeof(struct drm_connector *), 2077f453ba04SDave Airlie GFP_KERNEL); 2078f453ba04SDave Airlie if (!connector_set) { 2079f453ba04SDave Airlie ret = -ENOMEM; 2080f453ba04SDave Airlie goto out; 2081f453ba04SDave Airlie } 2082f453ba04SDave Airlie 2083f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 208481f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2085f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2086f453ba04SDave Airlie ret = -EFAULT; 2087f453ba04SDave Airlie goto out; 2088f453ba04SDave Airlie } 2089f453ba04SDave Airlie 2090f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 2091f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 2092f453ba04SDave Airlie if (!obj) { 209358367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 209458367ed6SZhao Yakui out_id); 2095f453ba04SDave Airlie ret = -EINVAL; 2096f453ba04SDave Airlie goto out; 2097f453ba04SDave Airlie } 2098f453ba04SDave Airlie connector = obj_to_connector(obj); 20999440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 21009440106bSJerome Glisse connector->base.id, 21019440106bSJerome Glisse drm_get_connector_name(connector)); 2102f453ba04SDave Airlie 2103f453ba04SDave Airlie connector_set[i] = connector; 2104f453ba04SDave Airlie } 2105f453ba04SDave Airlie } 2106f453ba04SDave Airlie 2107f453ba04SDave Airlie set.crtc = crtc; 2108f453ba04SDave Airlie set.x = crtc_req->x; 2109f453ba04SDave Airlie set.y = crtc_req->y; 2110f453ba04SDave Airlie set.mode = mode; 2111f453ba04SDave Airlie set.connectors = connector_set; 2112f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2113f453ba04SDave Airlie set.fb = fb; 21142d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2115f453ba04SDave Airlie 2116f453ba04SDave Airlie out: 2117b0d12325SDaniel Vetter if (fb) 2118b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2119b0d12325SDaniel Vetter 2120f453ba04SDave Airlie kfree(connector_set); 2121ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 212284849903SDaniel Vetter drm_modeset_unlock_all(dev); 2123f453ba04SDave Airlie return ret; 2124f453ba04SDave Airlie } 2125f453ba04SDave Airlie 2126f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 2127f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2128f453ba04SDave Airlie { 2129f453ba04SDave Airlie struct drm_mode_cursor *req = data; 2130f453ba04SDave Airlie struct drm_mode_object *obj; 2131f453ba04SDave Airlie struct drm_crtc *crtc; 2132f453ba04SDave Airlie int ret = 0; 2133f453ba04SDave Airlie 2134fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2135fb3b06c8SDave Airlie return -EINVAL; 2136fb3b06c8SDave Airlie 21377c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2138f453ba04SDave Airlie return -EINVAL; 2139f453ba04SDave Airlie 2140e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 2141f453ba04SDave Airlie if (!obj) { 214258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2143dac35663SDaniel Vetter return -EINVAL; 2144f453ba04SDave Airlie } 2145f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2146f453ba04SDave Airlie 2147dac35663SDaniel Vetter mutex_lock(&crtc->mutex); 2148f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 2149f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 2150f453ba04SDave Airlie ret = -ENXIO; 2151f453ba04SDave Airlie goto out; 2152f453ba04SDave Airlie } 2153f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 2154f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2155f453ba04SDave Airlie req->width, req->height); 2156f453ba04SDave Airlie } 2157f453ba04SDave Airlie 2158f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2159f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2160f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2161f453ba04SDave Airlie } else { 2162f453ba04SDave Airlie ret = -EFAULT; 2163f453ba04SDave Airlie goto out; 2164f453ba04SDave Airlie } 2165f453ba04SDave Airlie } 2166f453ba04SDave Airlie out: 2167dac35663SDaniel Vetter mutex_unlock(&crtc->mutex); 2168dac35663SDaniel Vetter 2169f453ba04SDave Airlie return ret; 2170f453ba04SDave Airlie } 2171f453ba04SDave Airlie 2172308e5bcbSJesse Barnes /* Original addfb only supported RGB formats, so figure out which one */ 2173308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2174308e5bcbSJesse Barnes { 2175308e5bcbSJesse Barnes uint32_t fmt; 2176308e5bcbSJesse Barnes 2177308e5bcbSJesse Barnes switch (bpp) { 2178308e5bcbSJesse Barnes case 8: 2179d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 2180308e5bcbSJesse Barnes break; 2181308e5bcbSJesse Barnes case 16: 2182308e5bcbSJesse Barnes if (depth == 15) 218304b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2184308e5bcbSJesse Barnes else 218504b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2186308e5bcbSJesse Barnes break; 2187308e5bcbSJesse Barnes case 24: 218804b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2189308e5bcbSJesse Barnes break; 2190308e5bcbSJesse Barnes case 32: 2191308e5bcbSJesse Barnes if (depth == 24) 219204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2193308e5bcbSJesse Barnes else if (depth == 30) 219404b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2195308e5bcbSJesse Barnes else 219604b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2197308e5bcbSJesse Barnes break; 2198308e5bcbSJesse Barnes default: 219904b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 220004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2201308e5bcbSJesse Barnes break; 2202308e5bcbSJesse Barnes } 2203308e5bcbSJesse Barnes 2204308e5bcbSJesse Barnes return fmt; 2205308e5bcbSJesse Barnes } 2206308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2207308e5bcbSJesse Barnes 2208f453ba04SDave Airlie /** 2209f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2210065a50edSDaniel Vetter * @dev: drm device for the ioctl 2211065a50edSDaniel Vetter * @data: data pointer for the ioctl 2212065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2213f453ba04SDave Airlie * 2214f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 2215f453ba04SDave Airlie * 2216f453ba04SDave Airlie * Called by the user via ioctl. 2217f453ba04SDave Airlie * 2218f453ba04SDave Airlie * RETURNS: 2219f453ba04SDave Airlie * Zero on success, errno on failure. 2220f453ba04SDave Airlie */ 2221f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2222f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2223f453ba04SDave Airlie { 2224308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2225308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2226308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2227308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2228308e5bcbSJesse Barnes int ret = 0; 2229308e5bcbSJesse Barnes 2230308e5bcbSJesse Barnes /* Use new struct with format internally */ 2231308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2232308e5bcbSJesse Barnes r.width = or->width; 2233308e5bcbSJesse Barnes r.height = or->height; 2234308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2235308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2236308e5bcbSJesse Barnes r.handles[0] = or->handle; 2237308e5bcbSJesse Barnes 2238308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2239308e5bcbSJesse Barnes return -EINVAL; 2240308e5bcbSJesse Barnes 2241acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2242308e5bcbSJesse Barnes return -EINVAL; 2243acb4b992SJesse Barnes 2244acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2245308e5bcbSJesse Barnes return -EINVAL; 2246308e5bcbSJesse Barnes 2247308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2248308e5bcbSJesse Barnes if (IS_ERR(fb)) { 22491aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 22504b096ac1SDaniel Vetter return PTR_ERR(fb); 2251308e5bcbSJesse Barnes } 2252308e5bcbSJesse Barnes 22534b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2254308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2255308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2256308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 22574b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 22584b096ac1SDaniel Vetter 2259308e5bcbSJesse Barnes return ret; 2260308e5bcbSJesse Barnes } 2261308e5bcbSJesse Barnes 2262cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2263935b5977SVille Syrjälä { 2264935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2265935b5977SVille Syrjälä 2266935b5977SVille Syrjälä switch (format) { 2267935b5977SVille Syrjälä case DRM_FORMAT_C8: 2268935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2269935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2270935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2271935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2272935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2273935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2274935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2275935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2276935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2277935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2278935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2279935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2280935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 2281935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 2282935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 2283935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 2284935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 2285935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 2286935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 2287935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 2288935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 2289935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 2290935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 2291935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 2292935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 2293935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 2294935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 2295935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 2296935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 2297935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 2298935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 2299935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 2300935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 2301935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 2302935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 2303935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 2304935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 2305935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 2306935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 2307935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 2308935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 2309935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 2310935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 2311935b5977SVille Syrjälä case DRM_FORMAT_NV12: 2312935b5977SVille Syrjälä case DRM_FORMAT_NV21: 2313935b5977SVille Syrjälä case DRM_FORMAT_NV16: 2314935b5977SVille Syrjälä case DRM_FORMAT_NV61: 2315ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 2316ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 2317935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 2318935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 2319935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 2320935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 2321935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 2322935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 2323935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 2324935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 2325935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 2326935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 2327935b5977SVille Syrjälä return 0; 2328935b5977SVille Syrjälä default: 2329935b5977SVille Syrjälä return -EINVAL; 2330935b5977SVille Syrjälä } 2331935b5977SVille Syrjälä } 2332935b5977SVille Syrjälä 2333cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 2334d1b45d5fSVille Syrjälä { 2335d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 2336d1b45d5fSVille Syrjälä 2337d1b45d5fSVille Syrjälä ret = format_check(r); 2338d1b45d5fSVille Syrjälä if (ret) { 23396ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 23406ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 2341d1b45d5fSVille Syrjälä return ret; 2342d1b45d5fSVille Syrjälä } 2343d1b45d5fSVille Syrjälä 2344d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 2345d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 2346d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 2347d1b45d5fSVille Syrjälä 2348d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 23491aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 2350d1b45d5fSVille Syrjälä return -EINVAL; 2351d1b45d5fSVille Syrjälä } 2352d1b45d5fSVille Syrjälä 2353d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 23541aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 2355d1b45d5fSVille Syrjälä return -EINVAL; 2356d1b45d5fSVille Syrjälä } 2357d1b45d5fSVille Syrjälä 2358d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 2359d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 2360b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 2361b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 2362d1b45d5fSVille Syrjälä 2363d1b45d5fSVille Syrjälä if (!r->handles[i]) { 23641aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 2365d1b45d5fSVille Syrjälä return -EINVAL; 2366d1b45d5fSVille Syrjälä } 2367d1b45d5fSVille Syrjälä 2368b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 2369b180b5d1SVille Syrjälä return -ERANGE; 2370b180b5d1SVille Syrjälä 2371b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 2372b180b5d1SVille Syrjälä return -ERANGE; 2373b180b5d1SVille Syrjälä 2374b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 23751aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 2376d1b45d5fSVille Syrjälä return -EINVAL; 2377d1b45d5fSVille Syrjälä } 2378d1b45d5fSVille Syrjälä } 2379d1b45d5fSVille Syrjälä 2380d1b45d5fSVille Syrjälä return 0; 2381d1b45d5fSVille Syrjälä } 2382d1b45d5fSVille Syrjälä 2383308e5bcbSJesse Barnes /** 2384308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 2385065a50edSDaniel Vetter * @dev: drm device for the ioctl 2386065a50edSDaniel Vetter * @data: data pointer for the ioctl 2387065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2388308e5bcbSJesse Barnes * 2389308e5bcbSJesse Barnes * Add a new FB to the specified CRTC, given a user request with format. 2390308e5bcbSJesse Barnes * 2391308e5bcbSJesse Barnes * Called by the user via ioctl. 2392308e5bcbSJesse Barnes * 2393308e5bcbSJesse Barnes * RETURNS: 2394308e5bcbSJesse Barnes * Zero on success, errno on failure. 2395308e5bcbSJesse Barnes */ 2396308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 2397308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 2398308e5bcbSJesse Barnes { 2399308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 *r = data; 2400f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2401f453ba04SDave Airlie struct drm_framebuffer *fb; 24024a1b0714SLaurent Pinchart int ret; 2403f453ba04SDave Airlie 2404fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2405fb3b06c8SDave Airlie return -EINVAL; 2406fb3b06c8SDave Airlie 2407e3cc3520SVille Syrjälä if (r->flags & ~DRM_MODE_FB_INTERLACED) { 2408e3cc3520SVille Syrjälä DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 2409e3cc3520SVille Syrjälä return -EINVAL; 2410e3cc3520SVille Syrjälä } 2411e3cc3520SVille Syrjälä 2412f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 24131aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 24148cf5c917SJesse Barnes r->width, config->min_width, config->max_width); 2415f453ba04SDave Airlie return -EINVAL; 2416f453ba04SDave Airlie } 2417f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 24181aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 24198cf5c917SJesse Barnes r->height, config->min_height, config->max_height); 2420f453ba04SDave Airlie return -EINVAL; 2421f453ba04SDave Airlie } 2422f453ba04SDave Airlie 2423d1b45d5fSVille Syrjälä ret = framebuffer_check(r); 2424d1b45d5fSVille Syrjälä if (ret) 2425935b5977SVille Syrjälä return ret; 2426935b5977SVille Syrjälä 2427f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 2428cce13ff7SChris Wilson if (IS_ERR(fb)) { 24291aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 24304b096ac1SDaniel Vetter return PTR_ERR(fb); 2431f453ba04SDave Airlie } 2432f453ba04SDave Airlie 24334b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2434e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 2435f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 24369440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 24374b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2438f453ba04SDave Airlie 24394b096ac1SDaniel Vetter 2440f453ba04SDave Airlie return ret; 2441f453ba04SDave Airlie } 2442f453ba04SDave Airlie 2443f453ba04SDave Airlie /** 2444f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 2445065a50edSDaniel Vetter * @dev: drm device for the ioctl 2446065a50edSDaniel Vetter * @data: data pointer for the ioctl 2447065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2448f453ba04SDave Airlie * 2449f453ba04SDave Airlie * Remove the FB specified by the user. 2450f453ba04SDave Airlie * 2451f453ba04SDave Airlie * Called by the user via ioctl. 2452f453ba04SDave Airlie * 2453f453ba04SDave Airlie * RETURNS: 2454f453ba04SDave Airlie * Zero on success, errno on failure. 2455f453ba04SDave Airlie */ 2456f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 2457f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2458f453ba04SDave Airlie { 2459f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2460f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 2461f453ba04SDave Airlie uint32_t *id = data; 2462f453ba04SDave Airlie int found = 0; 2463f453ba04SDave Airlie 2464fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2465fb3b06c8SDave Airlie return -EINVAL; 2466fb3b06c8SDave Airlie 24674b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 24682b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 24692b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 24702b677e8cSDaniel Vetter if (!fb) 24712b677e8cSDaniel Vetter goto fail_lookup; 24722b677e8cSDaniel Vetter 2473f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2474f453ba04SDave Airlie if (fb == fbl) 2475f453ba04SDave Airlie found = 1; 24762b677e8cSDaniel Vetter if (!found) 24772b677e8cSDaniel Vetter goto fail_lookup; 24782b677e8cSDaniel Vetter 24792b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 24802b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 2481f453ba04SDave Airlie 24824b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 24832b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 24844b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2485f453ba04SDave Airlie 24864b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 24874b096ac1SDaniel Vetter 24882b677e8cSDaniel Vetter return 0; 24892b677e8cSDaniel Vetter 24902b677e8cSDaniel Vetter fail_lookup: 24912b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 24922b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 24932b677e8cSDaniel Vetter 24942b677e8cSDaniel Vetter return -EINVAL; 2495f453ba04SDave Airlie } 2496f453ba04SDave Airlie 2497f453ba04SDave Airlie /** 2498f453ba04SDave Airlie * drm_mode_getfb - get FB info 2499065a50edSDaniel Vetter * @dev: drm device for the ioctl 2500065a50edSDaniel Vetter * @data: data pointer for the ioctl 2501065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2502f453ba04SDave Airlie * 2503f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 2504f453ba04SDave Airlie * 2505f453ba04SDave Airlie * Called by the user via ioctl. 2506f453ba04SDave Airlie * 2507f453ba04SDave Airlie * RETURNS: 2508f453ba04SDave Airlie * Zero on success, errno on failure. 2509f453ba04SDave Airlie */ 2510f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 2511f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2512f453ba04SDave Airlie { 2513f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 2514f453ba04SDave Airlie struct drm_framebuffer *fb; 251558c0dca1SDaniel Vetter int ret; 2516f453ba04SDave Airlie 2517fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2518fb3b06c8SDave Airlie return -EINVAL; 2519fb3b06c8SDave Airlie 2520786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 252158c0dca1SDaniel Vetter if (!fb) 252258c0dca1SDaniel Vetter return -EINVAL; 2523f453ba04SDave Airlie 2524f453ba04SDave Airlie r->height = fb->height; 2525f453ba04SDave Airlie r->width = fb->width; 2526f453ba04SDave Airlie r->depth = fb->depth; 2527f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 252801f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 2529af26ef3bSDaniel Vetter if (fb->funcs->create_handle) 2530af26ef3bSDaniel Vetter ret = fb->funcs->create_handle(fb, file_priv, &r->handle); 2531af26ef3bSDaniel Vetter else 2532af26ef3bSDaniel Vetter ret = -ENODEV; 2533f453ba04SDave Airlie 253458c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 253558c0dca1SDaniel Vetter 2536f453ba04SDave Airlie return ret; 2537f453ba04SDave Airlie } 2538f453ba04SDave Airlie 2539884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2540884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 2541884840aaSJakob Bornecrantz { 2542884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 2543884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 2544884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 2545884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 2546884840aaSJakob Bornecrantz unsigned flags; 2547884840aaSJakob Bornecrantz int num_clips; 25484a1b0714SLaurent Pinchart int ret; 2549884840aaSJakob Bornecrantz 2550fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2551fb3b06c8SDave Airlie return -EINVAL; 2552fb3b06c8SDave Airlie 2553786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 25544ccf097fSDaniel Vetter if (!fb) 25554ccf097fSDaniel Vetter return -EINVAL; 2556884840aaSJakob Bornecrantz 2557884840aaSJakob Bornecrantz num_clips = r->num_clips; 255881f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 2559884840aaSJakob Bornecrantz 2560884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 2561884840aaSJakob Bornecrantz ret = -EINVAL; 2562884840aaSJakob Bornecrantz goto out_err1; 2563884840aaSJakob Bornecrantz } 2564884840aaSJakob Bornecrantz 2565884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2566884840aaSJakob Bornecrantz 2567884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 2568884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2569884840aaSJakob Bornecrantz ret = -EINVAL; 2570884840aaSJakob Bornecrantz goto out_err1; 2571884840aaSJakob Bornecrantz } 2572884840aaSJakob Bornecrantz 2573884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 2574a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2575a5cd3351SXi Wang ret = -EINVAL; 2576a5cd3351SXi Wang goto out_err1; 2577a5cd3351SXi Wang } 2578884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 2579884840aaSJakob Bornecrantz if (!clips) { 2580884840aaSJakob Bornecrantz ret = -ENOMEM; 2581884840aaSJakob Bornecrantz goto out_err1; 2582884840aaSJakob Bornecrantz } 2583884840aaSJakob Bornecrantz 2584884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 2585884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 2586e902a358SDan Carpenter if (ret) { 2587e902a358SDan Carpenter ret = -EFAULT; 2588884840aaSJakob Bornecrantz goto out_err2; 2589884840aaSJakob Bornecrantz } 2590e902a358SDan Carpenter } 2591884840aaSJakob Bornecrantz 2592884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 25934ccf097fSDaniel Vetter drm_modeset_lock_all(dev); 259402b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 259502b00162SThomas Hellstrom clips, num_clips); 25964ccf097fSDaniel Vetter drm_modeset_unlock_all(dev); 2597884840aaSJakob Bornecrantz } else { 2598884840aaSJakob Bornecrantz ret = -ENOSYS; 2599884840aaSJakob Bornecrantz } 2600884840aaSJakob Bornecrantz 2601884840aaSJakob Bornecrantz out_err2: 2602884840aaSJakob Bornecrantz kfree(clips); 2603884840aaSJakob Bornecrantz out_err1: 26044ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 26054ccf097fSDaniel Vetter 2606884840aaSJakob Bornecrantz return ret; 2607884840aaSJakob Bornecrantz } 2608884840aaSJakob Bornecrantz 2609884840aaSJakob Bornecrantz 2610f453ba04SDave Airlie /** 2611f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 2612065a50edSDaniel Vetter * @priv: drm file for the ioctl 2613f453ba04SDave Airlie * 2614f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 2615f453ba04SDave Airlie * 2616f453ba04SDave Airlie * Called by the user via ioctl. 2617f453ba04SDave Airlie * 2618f453ba04SDave Airlie * RETURNS: 2619f453ba04SDave Airlie * Zero on success, errno on failure. 2620f453ba04SDave Airlie */ 2621ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 2622f453ba04SDave Airlie { 2623f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 2624f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 2625f453ba04SDave Airlie 26264b096ac1SDaniel Vetter mutex_lock(&priv->fbs_lock); 2627f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 26282b677e8cSDaniel Vetter 26292b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 26302b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 26312b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 26322b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 26332b677e8cSDaniel Vetter 26344b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 26352b677e8cSDaniel Vetter 26362b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 2637f7eff60eSRob Clark drm_framebuffer_remove(fb); 2638f453ba04SDave Airlie } 26394b096ac1SDaniel Vetter mutex_unlock(&priv->fbs_lock); 2640f453ba04SDave Airlie } 2641f453ba04SDave Airlie 2642f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2643f453ba04SDave Airlie const char *name, int num_values) 2644f453ba04SDave Airlie { 2645f453ba04SDave Airlie struct drm_property *property = NULL; 26466bfc56aaSVille Syrjälä int ret; 2647f453ba04SDave Airlie 2648f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2649f453ba04SDave Airlie if (!property) 2650f453ba04SDave Airlie return NULL; 2651f453ba04SDave Airlie 2652f453ba04SDave Airlie if (num_values) { 2653f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2654f453ba04SDave Airlie if (!property->values) 2655f453ba04SDave Airlie goto fail; 2656f453ba04SDave Airlie } 2657f453ba04SDave Airlie 26586bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 26596bfc56aaSVille Syrjälä if (ret) 26606bfc56aaSVille Syrjälä goto fail; 26616bfc56aaSVille Syrjälä 2662f453ba04SDave Airlie property->flags = flags; 2663f453ba04SDave Airlie property->num_values = num_values; 2664f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2665f453ba04SDave Airlie 2666471dd2efSVinson Lee if (name) { 2667f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2668471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2669471dd2efSVinson Lee } 2670f453ba04SDave Airlie 2671f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2672f453ba04SDave Airlie return property; 2673f453ba04SDave Airlie fail: 26746bfc56aaSVille Syrjälä kfree(property->values); 2675f453ba04SDave Airlie kfree(property); 2676f453ba04SDave Airlie return NULL; 2677f453ba04SDave Airlie } 2678f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2679f453ba04SDave Airlie 26804a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 26814a67d391SSascha Hauer const char *name, 26824a67d391SSascha Hauer const struct drm_prop_enum_list *props, 26834a67d391SSascha Hauer int num_values) 26844a67d391SSascha Hauer { 26854a67d391SSascha Hauer struct drm_property *property; 26864a67d391SSascha Hauer int i, ret; 26874a67d391SSascha Hauer 26884a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 26894a67d391SSascha Hauer 26904a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 26914a67d391SSascha Hauer if (!property) 26924a67d391SSascha Hauer return NULL; 26934a67d391SSascha Hauer 26944a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 26954a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 26964a67d391SSascha Hauer props[i].type, 26974a67d391SSascha Hauer props[i].name); 26984a67d391SSascha Hauer if (ret) { 26994a67d391SSascha Hauer drm_property_destroy(dev, property); 27004a67d391SSascha Hauer return NULL; 27014a67d391SSascha Hauer } 27024a67d391SSascha Hauer } 27034a67d391SSascha Hauer 27044a67d391SSascha Hauer return property; 27054a67d391SSascha Hauer } 27064a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 27074a67d391SSascha Hauer 270849e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 270949e27545SRob Clark int flags, const char *name, 271049e27545SRob Clark const struct drm_prop_enum_list *props, 271149e27545SRob Clark int num_values) 271249e27545SRob Clark { 271349e27545SRob Clark struct drm_property *property; 271449e27545SRob Clark int i, ret; 271549e27545SRob Clark 271649e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 271749e27545SRob Clark 271849e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 271949e27545SRob Clark if (!property) 272049e27545SRob Clark return NULL; 272149e27545SRob Clark 272249e27545SRob Clark for (i = 0; i < num_values; i++) { 272349e27545SRob Clark ret = drm_property_add_enum(property, i, 272449e27545SRob Clark props[i].type, 272549e27545SRob Clark props[i].name); 272649e27545SRob Clark if (ret) { 272749e27545SRob Clark drm_property_destroy(dev, property); 272849e27545SRob Clark return NULL; 272949e27545SRob Clark } 273049e27545SRob Clark } 273149e27545SRob Clark 273249e27545SRob Clark return property; 273349e27545SRob Clark } 273449e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 273549e27545SRob Clark 2736d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2737d9bc3c02SSascha Hauer const char *name, 2738d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 2739d9bc3c02SSascha Hauer { 2740d9bc3c02SSascha Hauer struct drm_property *property; 2741d9bc3c02SSascha Hauer 2742d9bc3c02SSascha Hauer flags |= DRM_MODE_PROP_RANGE; 2743d9bc3c02SSascha Hauer 2744d9bc3c02SSascha Hauer property = drm_property_create(dev, flags, name, 2); 2745d9bc3c02SSascha Hauer if (!property) 2746d9bc3c02SSascha Hauer return NULL; 2747d9bc3c02SSascha Hauer 2748d9bc3c02SSascha Hauer property->values[0] = min; 2749d9bc3c02SSascha Hauer property->values[1] = max; 2750d9bc3c02SSascha Hauer 2751d9bc3c02SSascha Hauer return property; 2752d9bc3c02SSascha Hauer } 2753d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 2754d9bc3c02SSascha Hauer 2755f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2756f453ba04SDave Airlie uint64_t value, const char *name) 2757f453ba04SDave Airlie { 2758f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2759f453ba04SDave Airlie 276049e27545SRob Clark if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 276149e27545SRob Clark return -EINVAL; 276249e27545SRob Clark 276349e27545SRob Clark /* 276449e27545SRob Clark * Bitmask enum properties have the additional constraint of values 276549e27545SRob Clark * from 0 to 63 276649e27545SRob Clark */ 276749e27545SRob Clark if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) 2768f453ba04SDave Airlie return -EINVAL; 2769f453ba04SDave Airlie 2770f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2771f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2772f453ba04SDave Airlie if (prop_enum->value == value) { 2773f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2774f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2775f453ba04SDave Airlie return 0; 2776f453ba04SDave Airlie } 2777f453ba04SDave Airlie } 2778f453ba04SDave Airlie } 2779f453ba04SDave Airlie 2780f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 2781f453ba04SDave Airlie if (!prop_enum) 2782f453ba04SDave Airlie return -ENOMEM; 2783f453ba04SDave Airlie 2784f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2785f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2786f453ba04SDave Airlie prop_enum->value = value; 2787f453ba04SDave Airlie 2788f453ba04SDave Airlie property->values[index] = value; 2789f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2790f453ba04SDave Airlie return 0; 2791f453ba04SDave Airlie } 2792f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2793f453ba04SDave Airlie 2794f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2795f453ba04SDave Airlie { 2796f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2797f453ba04SDave Airlie 2798f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2799f453ba04SDave Airlie list_del(&prop_enum->head); 2800f453ba04SDave Airlie kfree(prop_enum); 2801f453ba04SDave Airlie } 2802f453ba04SDave Airlie 2803f453ba04SDave Airlie if (property->num_values) 2804f453ba04SDave Airlie kfree(property->values); 2805f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2806f453ba04SDave Airlie list_del(&property->head); 2807f453ba04SDave Airlie kfree(property); 2808f453ba04SDave Airlie } 2809f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2810f453ba04SDave Airlie 2811c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 2812c543188aSPaulo Zanoni struct drm_property *property, 2813c543188aSPaulo Zanoni uint64_t init_val) 2814c543188aSPaulo Zanoni { 28157f88a9beSPaulo Zanoni int count = obj->properties->count; 2816c543188aSPaulo Zanoni 28177f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 28187f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 28197f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 28207f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 28217f88a9beSPaulo Zanoni obj->type); 2822c543188aSPaulo Zanoni return; 2823c543188aSPaulo Zanoni } 2824c543188aSPaulo Zanoni 28257f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 28267f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 28277f88a9beSPaulo Zanoni obj->properties->count++; 2828c543188aSPaulo Zanoni } 2829c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 2830c543188aSPaulo Zanoni 2831c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 2832c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 2833c543188aSPaulo Zanoni { 2834c543188aSPaulo Zanoni int i; 2835c543188aSPaulo Zanoni 28367f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2837c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2838c543188aSPaulo Zanoni obj->properties->values[i] = val; 2839c543188aSPaulo Zanoni return 0; 2840c543188aSPaulo Zanoni } 2841c543188aSPaulo Zanoni } 2842c543188aSPaulo Zanoni 2843c543188aSPaulo Zanoni return -EINVAL; 2844c543188aSPaulo Zanoni } 2845c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 2846c543188aSPaulo Zanoni 2847c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 2848c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 2849c543188aSPaulo Zanoni { 2850c543188aSPaulo Zanoni int i; 2851c543188aSPaulo Zanoni 28527f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2853c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2854c543188aSPaulo Zanoni *val = obj->properties->values[i]; 2855c543188aSPaulo Zanoni return 0; 2856c543188aSPaulo Zanoni } 2857c543188aSPaulo Zanoni } 2858c543188aSPaulo Zanoni 2859c543188aSPaulo Zanoni return -EINVAL; 2860c543188aSPaulo Zanoni } 2861c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 2862c543188aSPaulo Zanoni 2863f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2864f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2865f453ba04SDave Airlie { 2866f453ba04SDave Airlie struct drm_mode_object *obj; 2867f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2868f453ba04SDave Airlie struct drm_property *property; 2869f453ba04SDave Airlie int enum_count = 0; 2870f453ba04SDave Airlie int blob_count = 0; 2871f453ba04SDave Airlie int value_count = 0; 2872f453ba04SDave Airlie int ret = 0, i; 2873f453ba04SDave Airlie int copied; 2874f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2875f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2876f453ba04SDave Airlie struct drm_property_blob *prop_blob; 287781f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 2878f453ba04SDave Airlie uint64_t __user *values_ptr; 2879f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2880f453ba04SDave Airlie 2881fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2882fb3b06c8SDave Airlie return -EINVAL; 2883fb3b06c8SDave Airlie 288484849903SDaniel Vetter drm_modeset_lock_all(dev); 2885f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2886f453ba04SDave Airlie if (!obj) { 2887f453ba04SDave Airlie ret = -EINVAL; 2888f453ba04SDave Airlie goto done; 2889f453ba04SDave Airlie } 2890f453ba04SDave Airlie property = obj_to_property(obj); 2891f453ba04SDave Airlie 289249e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2893f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2894f453ba04SDave Airlie enum_count++; 2895f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2896f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2897f453ba04SDave Airlie blob_count++; 2898f453ba04SDave Airlie } 2899f453ba04SDave Airlie 2900f453ba04SDave Airlie value_count = property->num_values; 2901f453ba04SDave Airlie 2902f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2903f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2904f453ba04SDave Airlie out_resp->flags = property->flags; 2905f453ba04SDave Airlie 2906f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 290781f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 2908f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2909f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2910f453ba04SDave Airlie ret = -EFAULT; 2911f453ba04SDave Airlie goto done; 2912f453ba04SDave Airlie } 2913f453ba04SDave Airlie } 2914f453ba04SDave Airlie } 2915f453ba04SDave Airlie out_resp->count_values = value_count; 2916f453ba04SDave Airlie 291749e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2918f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2919f453ba04SDave Airlie copied = 0; 292081f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 2921f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2922f453ba04SDave Airlie 2923f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 2924f453ba04SDave Airlie ret = -EFAULT; 2925f453ba04SDave Airlie goto done; 2926f453ba04SDave Airlie } 2927f453ba04SDave Airlie 2928f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 2929f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 2930f453ba04SDave Airlie ret = -EFAULT; 2931f453ba04SDave Airlie goto done; 2932f453ba04SDave Airlie } 2933f453ba04SDave Airlie copied++; 2934f453ba04SDave Airlie } 2935f453ba04SDave Airlie } 2936f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 2937f453ba04SDave Airlie } 2938f453ba04SDave Airlie 2939f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 2940f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2941f453ba04SDave Airlie copied = 0; 294281f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 294381f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 2944f453ba04SDave Airlie 2945f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2946f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 2947f453ba04SDave Airlie ret = -EFAULT; 2948f453ba04SDave Airlie goto done; 2949f453ba04SDave Airlie } 2950f453ba04SDave Airlie 2951f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 2952f453ba04SDave Airlie ret = -EFAULT; 2953f453ba04SDave Airlie goto done; 2954f453ba04SDave Airlie } 2955f453ba04SDave Airlie 2956f453ba04SDave Airlie copied++; 2957f453ba04SDave Airlie } 2958f453ba04SDave Airlie } 2959f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 2960f453ba04SDave Airlie } 2961f453ba04SDave Airlie done: 296284849903SDaniel Vetter drm_modeset_unlock_all(dev); 2963f453ba04SDave Airlie return ret; 2964f453ba04SDave Airlie } 2965f453ba04SDave Airlie 2966f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 2967f453ba04SDave Airlie void *data) 2968f453ba04SDave Airlie { 2969f453ba04SDave Airlie struct drm_property_blob *blob; 29706bfc56aaSVille Syrjälä int ret; 2971f453ba04SDave Airlie 2972f453ba04SDave Airlie if (!length || !data) 2973f453ba04SDave Airlie return NULL; 2974f453ba04SDave Airlie 2975f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 2976f453ba04SDave Airlie if (!blob) 2977f453ba04SDave Airlie return NULL; 2978f453ba04SDave Airlie 29796bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 29806bfc56aaSVille Syrjälä if (ret) { 29816bfc56aaSVille Syrjälä kfree(blob); 29826bfc56aaSVille Syrjälä return NULL; 29836bfc56aaSVille Syrjälä } 29846bfc56aaSVille Syrjälä 2985f453ba04SDave Airlie blob->length = length; 2986f453ba04SDave Airlie 2987f453ba04SDave Airlie memcpy(blob->data, data, length); 2988f453ba04SDave Airlie 2989f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 2990f453ba04SDave Airlie return blob; 2991f453ba04SDave Airlie } 2992f453ba04SDave Airlie 2993f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 2994f453ba04SDave Airlie struct drm_property_blob *blob) 2995f453ba04SDave Airlie { 2996f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 2997f453ba04SDave Airlie list_del(&blob->head); 2998f453ba04SDave Airlie kfree(blob); 2999f453ba04SDave Airlie } 3000f453ba04SDave Airlie 3001f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3002f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3003f453ba04SDave Airlie { 3004f453ba04SDave Airlie struct drm_mode_object *obj; 3005f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3006f453ba04SDave Airlie struct drm_property_blob *blob; 3007f453ba04SDave Airlie int ret = 0; 300881f6c7f8SVille Syrjälä void __user *blob_ptr; 3009f453ba04SDave Airlie 3010fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3011fb3b06c8SDave Airlie return -EINVAL; 3012fb3b06c8SDave Airlie 301384849903SDaniel Vetter drm_modeset_lock_all(dev); 3014f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 3015f453ba04SDave Airlie if (!obj) { 3016f453ba04SDave Airlie ret = -EINVAL; 3017f453ba04SDave Airlie goto done; 3018f453ba04SDave Airlie } 3019f453ba04SDave Airlie blob = obj_to_blob(obj); 3020f453ba04SDave Airlie 3021f453ba04SDave Airlie if (out_resp->length == blob->length) { 302281f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3023f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3024f453ba04SDave Airlie ret = -EFAULT; 3025f453ba04SDave Airlie goto done; 3026f453ba04SDave Airlie } 3027f453ba04SDave Airlie } 3028f453ba04SDave Airlie out_resp->length = blob->length; 3029f453ba04SDave Airlie 3030f453ba04SDave Airlie done: 303184849903SDaniel Vetter drm_modeset_unlock_all(dev); 3032f453ba04SDave Airlie return ret; 3033f453ba04SDave Airlie } 3034f453ba04SDave Airlie 3035f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 3036f453ba04SDave Airlie struct edid *edid) 3037f453ba04SDave Airlie { 3038f453ba04SDave Airlie struct drm_device *dev = connector->dev; 30394a1b0714SLaurent Pinchart int ret, size; 3040f453ba04SDave Airlie 3041f453ba04SDave Airlie if (connector->edid_blob_ptr) 3042f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 3043f453ba04SDave Airlie 3044f453ba04SDave Airlie /* Delete edid, when there is none. */ 3045f453ba04SDave Airlie if (!edid) { 3046f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 304758495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 3048f453ba04SDave Airlie return ret; 3049f453ba04SDave Airlie } 3050f453ba04SDave Airlie 30517466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 30527466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 30537466f4ccSAdam Jackson size, edid); 3054e655d122SSachin Kamat if (!connector->edid_blob_ptr) 3055e655d122SSachin Kamat return -EINVAL; 3056f453ba04SDave Airlie 305758495563SRob Clark ret = drm_object_property_set_value(&connector->base, 3058f453ba04SDave Airlie dev->mode_config.edid_property, 3059f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 3060f453ba04SDave Airlie 3061f453ba04SDave Airlie return ret; 3062f453ba04SDave Airlie } 3063f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 3064f453ba04SDave Airlie 306526a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 3066592c20eeSVille Syrjälä uint64_t value) 306726a34815SPaulo Zanoni { 306826a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 306926a34815SPaulo Zanoni return false; 307026a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_RANGE) { 307126a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 307226a34815SPaulo Zanoni return false; 307326a34815SPaulo Zanoni return true; 307449e27545SRob Clark } else if (property->flags & DRM_MODE_PROP_BITMASK) { 307549e27545SRob Clark int i; 3076592c20eeSVille Syrjälä uint64_t valid_mask = 0; 307749e27545SRob Clark for (i = 0; i < property->num_values; i++) 307849e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 307949e27545SRob Clark return !(value & ~valid_mask); 3080c4a56750SVille Syrjälä } else if (property->flags & DRM_MODE_PROP_BLOB) { 3081c4a56750SVille Syrjälä /* Only the driver knows */ 3082c4a56750SVille Syrjälä return true; 308326a34815SPaulo Zanoni } else { 308426a34815SPaulo Zanoni int i; 308526a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 308626a34815SPaulo Zanoni if (property->values[i] == value) 308726a34815SPaulo Zanoni return true; 308826a34815SPaulo Zanoni return false; 308926a34815SPaulo Zanoni } 309026a34815SPaulo Zanoni } 309126a34815SPaulo Zanoni 3092f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3093f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3094f453ba04SDave Airlie { 30950057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 30960057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 30970057d8ddSPaulo Zanoni .value = conn_set_prop->value, 30980057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 30990057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 31000057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 31010057d8ddSPaulo Zanoni }; 3102f453ba04SDave Airlie 31030057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 31040057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 3105f453ba04SDave Airlie } 3106f453ba04SDave Airlie 3107c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 3108c543188aSPaulo Zanoni struct drm_property *property, 3109c543188aSPaulo Zanoni uint64_t value) 3110c543188aSPaulo Zanoni { 3111c543188aSPaulo Zanoni int ret = -EINVAL; 3112c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 3113c543188aSPaulo Zanoni 3114c543188aSPaulo Zanoni /* Do DPMS ourselves */ 3115c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 3116c543188aSPaulo Zanoni if (connector->funcs->dpms) 3117c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 3118c543188aSPaulo Zanoni ret = 0; 3119c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 3120c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 3121c543188aSPaulo Zanoni 3122c543188aSPaulo Zanoni /* store the property value if successful */ 3123c543188aSPaulo Zanoni if (!ret) 312458495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 3125c543188aSPaulo Zanoni return ret; 3126c543188aSPaulo Zanoni } 3127c543188aSPaulo Zanoni 3128bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 3129bffd9de0SPaulo Zanoni struct drm_property *property, 3130bffd9de0SPaulo Zanoni uint64_t value) 3131bffd9de0SPaulo Zanoni { 3132bffd9de0SPaulo Zanoni int ret = -EINVAL; 3133bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 3134bffd9de0SPaulo Zanoni 3135bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 3136bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 3137bffd9de0SPaulo Zanoni if (!ret) 3138bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 3139bffd9de0SPaulo Zanoni 3140bffd9de0SPaulo Zanoni return ret; 3141bffd9de0SPaulo Zanoni } 3142bffd9de0SPaulo Zanoni 31434d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 31444d93914aSRob Clark struct drm_property *property, 31454d93914aSRob Clark uint64_t value) 31464d93914aSRob Clark { 31474d93914aSRob Clark int ret = -EINVAL; 31484d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 31494d93914aSRob Clark 31504d93914aSRob Clark if (plane->funcs->set_property) 31514d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 31524d93914aSRob Clark if (!ret) 31534d93914aSRob Clark drm_object_property_set_value(obj, property, value); 31544d93914aSRob Clark 31554d93914aSRob Clark return ret; 31564d93914aSRob Clark } 31574d93914aSRob Clark 3158c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 3159c543188aSPaulo Zanoni struct drm_file *file_priv) 3160c543188aSPaulo Zanoni { 3161c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 3162c543188aSPaulo Zanoni struct drm_mode_object *obj; 3163c543188aSPaulo Zanoni int ret = 0; 3164c543188aSPaulo Zanoni int i; 3165c543188aSPaulo Zanoni int copied = 0; 3166c543188aSPaulo Zanoni int props_count = 0; 3167c543188aSPaulo Zanoni uint32_t __user *props_ptr; 3168c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 3169c543188aSPaulo Zanoni 3170c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3171c543188aSPaulo Zanoni return -EINVAL; 3172c543188aSPaulo Zanoni 317384849903SDaniel Vetter drm_modeset_lock_all(dev); 3174c543188aSPaulo Zanoni 3175c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3176c543188aSPaulo Zanoni if (!obj) { 3177c543188aSPaulo Zanoni ret = -EINVAL; 3178c543188aSPaulo Zanoni goto out; 3179c543188aSPaulo Zanoni } 3180c543188aSPaulo Zanoni if (!obj->properties) { 3181c543188aSPaulo Zanoni ret = -EINVAL; 3182c543188aSPaulo Zanoni goto out; 3183c543188aSPaulo Zanoni } 3184c543188aSPaulo Zanoni 31857f88a9beSPaulo Zanoni props_count = obj->properties->count; 3186c543188aSPaulo Zanoni 3187c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 3188c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 3189c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 3190c543188aSPaulo Zanoni copied = 0; 3191c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 3192c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 3193c543188aSPaulo Zanoni (arg->prop_values_ptr); 3194c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 3195c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 3196c543188aSPaulo Zanoni props_ptr + copied)) { 3197c543188aSPaulo Zanoni ret = -EFAULT; 3198c543188aSPaulo Zanoni goto out; 3199c543188aSPaulo Zanoni } 3200c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 3201c543188aSPaulo Zanoni prop_values_ptr + copied)) { 3202c543188aSPaulo Zanoni ret = -EFAULT; 3203c543188aSPaulo Zanoni goto out; 3204c543188aSPaulo Zanoni } 3205c543188aSPaulo Zanoni copied++; 3206c543188aSPaulo Zanoni } 3207c543188aSPaulo Zanoni } 3208c543188aSPaulo Zanoni arg->count_props = props_count; 3209c543188aSPaulo Zanoni out: 321084849903SDaniel Vetter drm_modeset_unlock_all(dev); 3211c543188aSPaulo Zanoni return ret; 3212c543188aSPaulo Zanoni } 3213c543188aSPaulo Zanoni 3214c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 3215c543188aSPaulo Zanoni struct drm_file *file_priv) 3216c543188aSPaulo Zanoni { 3217c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 3218c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 3219c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 3220c543188aSPaulo Zanoni struct drm_property *property; 3221c543188aSPaulo Zanoni int ret = -EINVAL; 3222c543188aSPaulo Zanoni int i; 3223c543188aSPaulo Zanoni 3224c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3225c543188aSPaulo Zanoni return -EINVAL; 3226c543188aSPaulo Zanoni 322784849903SDaniel Vetter drm_modeset_lock_all(dev); 3228c543188aSPaulo Zanoni 3229c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3230c543188aSPaulo Zanoni if (!arg_obj) 3231c543188aSPaulo Zanoni goto out; 3232c543188aSPaulo Zanoni if (!arg_obj->properties) 3233c543188aSPaulo Zanoni goto out; 3234c543188aSPaulo Zanoni 32357f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 3236c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 3237c543188aSPaulo Zanoni break; 3238c543188aSPaulo Zanoni 32397f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 3240c543188aSPaulo Zanoni goto out; 3241c543188aSPaulo Zanoni 3242c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 3243c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 3244c543188aSPaulo Zanoni if (!prop_obj) 3245c543188aSPaulo Zanoni goto out; 3246c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 3247c543188aSPaulo Zanoni 3248c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 3249c543188aSPaulo Zanoni goto out; 3250c543188aSPaulo Zanoni 3251c543188aSPaulo Zanoni switch (arg_obj->type) { 3252c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 3253c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 3254c543188aSPaulo Zanoni arg->value); 3255c543188aSPaulo Zanoni break; 3256bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 3257bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 3258bffd9de0SPaulo Zanoni break; 32594d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 32604d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 32614d93914aSRob Clark break; 3262c543188aSPaulo Zanoni } 3263c543188aSPaulo Zanoni 3264c543188aSPaulo Zanoni out: 326584849903SDaniel Vetter drm_modeset_unlock_all(dev); 3266c543188aSPaulo Zanoni return ret; 3267c543188aSPaulo Zanoni } 3268c543188aSPaulo Zanoni 3269f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3270f453ba04SDave Airlie struct drm_encoder *encoder) 3271f453ba04SDave Airlie { 3272f453ba04SDave Airlie int i; 3273f453ba04SDave Airlie 3274f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3275f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 3276f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 3277f453ba04SDave Airlie return 0; 3278f453ba04SDave Airlie } 3279f453ba04SDave Airlie } 3280f453ba04SDave Airlie return -ENOMEM; 3281f453ba04SDave Airlie } 3282f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 3283f453ba04SDave Airlie 3284f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3285f453ba04SDave Airlie struct drm_encoder *encoder) 3286f453ba04SDave Airlie { 3287f453ba04SDave Airlie int i; 3288f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3289f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 3290f453ba04SDave Airlie connector->encoder_ids[i] = 0; 3291f453ba04SDave Airlie if (connector->encoder == encoder) 3292f453ba04SDave Airlie connector->encoder = NULL; 3293f453ba04SDave Airlie break; 3294f453ba04SDave Airlie } 3295f453ba04SDave Airlie } 3296f453ba04SDave Airlie } 3297f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 3298f453ba04SDave Airlie 32994cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3300f453ba04SDave Airlie int gamma_size) 3301f453ba04SDave Airlie { 3302f453ba04SDave Airlie crtc->gamma_size = gamma_size; 3303f453ba04SDave Airlie 3304f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 3305f453ba04SDave Airlie if (!crtc->gamma_store) { 3306f453ba04SDave Airlie crtc->gamma_size = 0; 33074cae5b84SSascha Hauer return -ENOMEM; 3308f453ba04SDave Airlie } 3309f453ba04SDave Airlie 33104cae5b84SSascha Hauer return 0; 3311f453ba04SDave Airlie } 3312f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 3313f453ba04SDave Airlie 3314f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3315f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3316f453ba04SDave Airlie { 3317f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3318f453ba04SDave Airlie struct drm_mode_object *obj; 3319f453ba04SDave Airlie struct drm_crtc *crtc; 3320f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3321f453ba04SDave Airlie int size; 3322f453ba04SDave Airlie int ret = 0; 3323f453ba04SDave Airlie 3324fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3325fb3b06c8SDave Airlie return -EINVAL; 3326fb3b06c8SDave Airlie 332784849903SDaniel Vetter drm_modeset_lock_all(dev); 3328f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3329f453ba04SDave Airlie if (!obj) { 3330f453ba04SDave Airlie ret = -EINVAL; 3331f453ba04SDave Airlie goto out; 3332f453ba04SDave Airlie } 3333f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3334f453ba04SDave Airlie 3335ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 3336ebe0f244SLaurent Pinchart ret = -ENOSYS; 3337ebe0f244SLaurent Pinchart goto out; 3338ebe0f244SLaurent Pinchart } 3339ebe0f244SLaurent Pinchart 3340f453ba04SDave Airlie /* memcpy into gamma store */ 3341f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3342f453ba04SDave Airlie ret = -EINVAL; 3343f453ba04SDave Airlie goto out; 3344f453ba04SDave Airlie } 3345f453ba04SDave Airlie 3346f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3347f453ba04SDave Airlie r_base = crtc->gamma_store; 3348f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 3349f453ba04SDave Airlie ret = -EFAULT; 3350f453ba04SDave Airlie goto out; 3351f453ba04SDave Airlie } 3352f453ba04SDave Airlie 3353f453ba04SDave Airlie g_base = r_base + size; 3354f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 3355f453ba04SDave Airlie ret = -EFAULT; 3356f453ba04SDave Airlie goto out; 3357f453ba04SDave Airlie } 3358f453ba04SDave Airlie 3359f453ba04SDave Airlie b_base = g_base + size; 3360f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 3361f453ba04SDave Airlie ret = -EFAULT; 3362f453ba04SDave Airlie goto out; 3363f453ba04SDave Airlie } 3364f453ba04SDave Airlie 33657203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3366f453ba04SDave Airlie 3367f453ba04SDave Airlie out: 336884849903SDaniel Vetter drm_modeset_unlock_all(dev); 3369f453ba04SDave Airlie return ret; 3370f453ba04SDave Airlie 3371f453ba04SDave Airlie } 3372f453ba04SDave Airlie 3373f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3374f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3375f453ba04SDave Airlie { 3376f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3377f453ba04SDave Airlie struct drm_mode_object *obj; 3378f453ba04SDave Airlie struct drm_crtc *crtc; 3379f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3380f453ba04SDave Airlie int size; 3381f453ba04SDave Airlie int ret = 0; 3382f453ba04SDave Airlie 3383fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3384fb3b06c8SDave Airlie return -EINVAL; 3385fb3b06c8SDave Airlie 338684849903SDaniel Vetter drm_modeset_lock_all(dev); 3387f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3388f453ba04SDave Airlie if (!obj) { 3389f453ba04SDave Airlie ret = -EINVAL; 3390f453ba04SDave Airlie goto out; 3391f453ba04SDave Airlie } 3392f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3393f453ba04SDave Airlie 3394f453ba04SDave Airlie /* memcpy into gamma store */ 3395f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3396f453ba04SDave Airlie ret = -EINVAL; 3397f453ba04SDave Airlie goto out; 3398f453ba04SDave Airlie } 3399f453ba04SDave Airlie 3400f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3401f453ba04SDave Airlie r_base = crtc->gamma_store; 3402f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 3403f453ba04SDave Airlie ret = -EFAULT; 3404f453ba04SDave Airlie goto out; 3405f453ba04SDave Airlie } 3406f453ba04SDave Airlie 3407f453ba04SDave Airlie g_base = r_base + size; 3408f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 3409f453ba04SDave Airlie ret = -EFAULT; 3410f453ba04SDave Airlie goto out; 3411f453ba04SDave Airlie } 3412f453ba04SDave Airlie 3413f453ba04SDave Airlie b_base = g_base + size; 3414f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 3415f453ba04SDave Airlie ret = -EFAULT; 3416f453ba04SDave Airlie goto out; 3417f453ba04SDave Airlie } 3418f453ba04SDave Airlie out: 341984849903SDaniel Vetter drm_modeset_unlock_all(dev); 3420f453ba04SDave Airlie return ret; 3421f453ba04SDave Airlie } 3422d91d8a3fSKristian Høgsberg 3423d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 3424d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 3425d91d8a3fSKristian Høgsberg { 3426d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 3427d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 3428d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 3429b0d12325SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 3430d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 3431d91d8a3fSKristian Høgsberg unsigned long flags; 34327c80e128SRob Clark int hdisplay, vdisplay; 3433d91d8a3fSKristian Høgsberg int ret = -EINVAL; 3434d91d8a3fSKristian Høgsberg 3435d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3436d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 3437d91d8a3fSKristian Høgsberg return -EINVAL; 3438d91d8a3fSKristian Høgsberg 3439d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3440d91d8a3fSKristian Høgsberg if (!obj) 3441b4d5e7d1SDaniel Vetter return -EINVAL; 3442d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 3443d91d8a3fSKristian Høgsberg 3444b4d5e7d1SDaniel Vetter mutex_lock(&crtc->mutex); 344590c1efddSChris Wilson if (crtc->fb == NULL) { 344690c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 344790c1efddSChris Wilson * due to a hotplug event, that userspace has not 344890c1efddSChris Wilson * yet discovered. 344990c1efddSChris Wilson */ 345090c1efddSChris Wilson ret = -EBUSY; 345190c1efddSChris Wilson goto out; 345290c1efddSChris Wilson } 345390c1efddSChris Wilson 3454d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 3455d91d8a3fSKristian Høgsberg goto out; 3456d91d8a3fSKristian Høgsberg 3457786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 3458786b99edSDaniel Vetter if (!fb) 3459d91d8a3fSKristian Høgsberg goto out; 3460d91d8a3fSKristian Høgsberg 34617c80e128SRob Clark hdisplay = crtc->mode.hdisplay; 34627c80e128SRob Clark vdisplay = crtc->mode.vdisplay; 34637c80e128SRob Clark 34647c80e128SRob Clark if (crtc->invert_dimensions) 34657c80e128SRob Clark swap(hdisplay, vdisplay); 34667c80e128SRob Clark 34677c80e128SRob Clark if (hdisplay > fb->width || 34687c80e128SRob Clark vdisplay > fb->height || 34697c80e128SRob Clark crtc->x > fb->width - hdisplay || 34707c80e128SRob Clark crtc->y > fb->height - vdisplay) { 34717c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 34727c80e128SRob Clark fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, 34737c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 34745f61bb42SVille Syrjälä ret = -ENOSPC; 34755f61bb42SVille Syrjälä goto out; 34765f61bb42SVille Syrjälä } 34775f61bb42SVille Syrjälä 3478909d9cdaSLaurent Pinchart if (crtc->fb->pixel_format != fb->pixel_format) { 3479909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 3480909d9cdaSLaurent Pinchart ret = -EINVAL; 3481909d9cdaSLaurent Pinchart goto out; 3482909d9cdaSLaurent Pinchart } 3483909d9cdaSLaurent Pinchart 3484d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3485d91d8a3fSKristian Høgsberg ret = -ENOMEM; 3486d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3487d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 3488d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3489d91d8a3fSKristian Høgsberg goto out; 3490d91d8a3fSKristian Høgsberg } 3491d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 3492d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3493d91d8a3fSKristian Høgsberg 3494d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 3495d91d8a3fSKristian Høgsberg if (e == NULL) { 3496d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3497d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3498d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3499d91d8a3fSKristian Høgsberg goto out; 3500d91d8a3fSKristian Høgsberg } 3501d91d8a3fSKristian Høgsberg 35027bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3503d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 3504d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 3505d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 3506d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 3507d91d8a3fSKristian Høgsberg e->base.destroy = 3508d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 3509d91d8a3fSKristian Høgsberg } 3510d91d8a3fSKristian Høgsberg 3511b0d12325SDaniel Vetter old_fb = crtc->fb; 3512d91d8a3fSKristian Høgsberg ret = crtc->funcs->page_flip(crtc, fb, e); 3513d91d8a3fSKristian Høgsberg if (ret) { 3514aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3515d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3516d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3517d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3518d91d8a3fSKristian Høgsberg kfree(e); 3519d91d8a3fSKristian Høgsberg } 3520b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 3521b0d12325SDaniel Vetter old_fb = NULL; 3522b0d12325SDaniel Vetter } else { 35238cf1e981SThierry Reding /* 35248cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 35258cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 35268cf1e981SThierry Reding * Failing to do so will screw with the reference counting 35278cf1e981SThierry Reding * on framebuffers. 35288cf1e981SThierry Reding */ 35298cf1e981SThierry Reding WARN_ON(crtc->fb != fb); 3530b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 3531b0d12325SDaniel Vetter fb = NULL; 3532aef6a7eeSJoonyoung Shim } 3533d91d8a3fSKristian Høgsberg 3534d91d8a3fSKristian Høgsberg out: 3535b0d12325SDaniel Vetter if (fb) 3536b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 3537b0d12325SDaniel Vetter if (old_fb) 3538b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 3539b4d5e7d1SDaniel Vetter mutex_unlock(&crtc->mutex); 3540b4d5e7d1SDaniel Vetter 3541d91d8a3fSKristian Høgsberg return ret; 3542d91d8a3fSKristian Høgsberg } 3543eb033556SChris Wilson 3544eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 3545eb033556SChris Wilson { 3546eb033556SChris Wilson struct drm_crtc *crtc; 3547eb033556SChris Wilson struct drm_encoder *encoder; 3548eb033556SChris Wilson struct drm_connector *connector; 3549eb033556SChris Wilson 3550eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3551eb033556SChris Wilson if (crtc->funcs->reset) 3552eb033556SChris Wilson crtc->funcs->reset(crtc); 3553eb033556SChris Wilson 3554eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3555eb033556SChris Wilson if (encoder->funcs->reset) 3556eb033556SChris Wilson encoder->funcs->reset(encoder); 3557eb033556SChris Wilson 35585e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 35595e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 35605e2cb2f6SDaniel Vetter 3561eb033556SChris Wilson if (connector->funcs->reset) 3562eb033556SChris Wilson connector->funcs->reset(connector); 3563eb033556SChris Wilson } 35645e2cb2f6SDaniel Vetter } 3565eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 3566ff72145bSDave Airlie 3567ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3568ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3569ff72145bSDave Airlie { 3570ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 3571ff72145bSDave Airlie 3572ff72145bSDave Airlie if (!dev->driver->dumb_create) 3573ff72145bSDave Airlie return -ENOSYS; 3574ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 3575ff72145bSDave Airlie } 3576ff72145bSDave Airlie 3577ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3578ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3579ff72145bSDave Airlie { 3580ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 3581ff72145bSDave Airlie 3582ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 3583ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 3584ff72145bSDave Airlie return -ENOSYS; 3585ff72145bSDave Airlie 3586ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3587ff72145bSDave Airlie } 3588ff72145bSDave Airlie 3589ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3590ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3591ff72145bSDave Airlie { 3592ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 3593ff72145bSDave Airlie 3594ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 3595ff72145bSDave Airlie return -ENOSYS; 3596ff72145bSDave Airlie 3597ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3598ff72145bSDave Airlie } 3599248dbc23SDave Airlie 3600248dbc23SDave Airlie /* 3601248dbc23SDave Airlie * Just need to support RGB formats here for compat with code that doesn't 3602248dbc23SDave Airlie * use pixel formats directly yet. 3603248dbc23SDave Airlie */ 3604248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3605248dbc23SDave Airlie int *bpp) 3606248dbc23SDave Airlie { 3607248dbc23SDave Airlie switch (format) { 3608c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 360904b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 361004b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 3611248dbc23SDave Airlie *depth = 8; 3612248dbc23SDave Airlie *bpp = 8; 3613248dbc23SDave Airlie break; 361404b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 361504b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 361604b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 361704b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 361804b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 361904b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 362004b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 362104b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 3622248dbc23SDave Airlie *depth = 15; 3623248dbc23SDave Airlie *bpp = 16; 3624248dbc23SDave Airlie break; 362504b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 362604b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 3627248dbc23SDave Airlie *depth = 16; 3628248dbc23SDave Airlie *bpp = 16; 3629248dbc23SDave Airlie break; 363004b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 363104b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 363204b3924dSVille Syrjälä *depth = 24; 363304b3924dSVille Syrjälä *bpp = 24; 363404b3924dSVille Syrjälä break; 363504b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 363604b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 363704b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 363804b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 3639248dbc23SDave Airlie *depth = 24; 3640248dbc23SDave Airlie *bpp = 32; 3641248dbc23SDave Airlie break; 364204b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 364304b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 364404b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 364504b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 364604b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 364704b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 364804b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 364904b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 3650248dbc23SDave Airlie *depth = 30; 3651248dbc23SDave Airlie *bpp = 32; 3652248dbc23SDave Airlie break; 365304b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 365404b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 365504b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 365604b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 3657248dbc23SDave Airlie *depth = 32; 3658248dbc23SDave Airlie *bpp = 32; 3659248dbc23SDave Airlie break; 3660248dbc23SDave Airlie default: 3661248dbc23SDave Airlie DRM_DEBUG_KMS("unsupported pixel format\n"); 3662248dbc23SDave Airlie *depth = 0; 3663248dbc23SDave Airlie *bpp = 0; 3664248dbc23SDave Airlie break; 3665248dbc23SDave Airlie } 3666248dbc23SDave Airlie } 3667248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 3668141670e9SVille Syrjälä 3669141670e9SVille Syrjälä /** 3670141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 3671141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 3672141670e9SVille Syrjälä * 3673141670e9SVille Syrjälä * RETURNS: 3674141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 3675141670e9SVille Syrjälä */ 3676141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 3677141670e9SVille Syrjälä { 3678141670e9SVille Syrjälä switch (format) { 3679141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 3680141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 3681141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 3682141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 3683141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 3684141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 3685141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 3686141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 3687141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 3688141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 3689141670e9SVille Syrjälä return 3; 3690141670e9SVille Syrjälä case DRM_FORMAT_NV12: 3691141670e9SVille Syrjälä case DRM_FORMAT_NV21: 3692141670e9SVille Syrjälä case DRM_FORMAT_NV16: 3693141670e9SVille Syrjälä case DRM_FORMAT_NV61: 3694ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3695ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3696141670e9SVille Syrjälä return 2; 3697141670e9SVille Syrjälä default: 3698141670e9SVille Syrjälä return 1; 3699141670e9SVille Syrjälä } 3700141670e9SVille Syrjälä } 3701141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 37025a86bd55SVille Syrjälä 37035a86bd55SVille Syrjälä /** 37045a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 37055a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 37065a86bd55SVille Syrjälä * @plane: plane index 37075a86bd55SVille Syrjälä * 37085a86bd55SVille Syrjälä * RETURNS: 37095a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 37105a86bd55SVille Syrjälä */ 37115a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 37125a86bd55SVille Syrjälä { 37135a86bd55SVille Syrjälä unsigned int depth; 37145a86bd55SVille Syrjälä int bpp; 37155a86bd55SVille Syrjälä 37165a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 37175a86bd55SVille Syrjälä return 0; 37185a86bd55SVille Syrjälä 37195a86bd55SVille Syrjälä switch (format) { 37205a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 37215a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 37225a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 37235a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 37245a86bd55SVille Syrjälä return 2; 37255a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 37265a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 37275a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 37285a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 3729ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3730ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 37315a86bd55SVille Syrjälä return plane ? 2 : 1; 37325a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 37335a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 37345a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 37355a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 37365a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 37375a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 37385a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 37395a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 37405a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 37415a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 37425a86bd55SVille Syrjälä return 1; 37435a86bd55SVille Syrjälä default: 37445a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 37455a86bd55SVille Syrjälä return bpp >> 3; 37465a86bd55SVille Syrjälä } 37475a86bd55SVille Syrjälä } 37485a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 374901b68b04SVille Syrjälä 375001b68b04SVille Syrjälä /** 375101b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 375201b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 375301b68b04SVille Syrjälä * 375401b68b04SVille Syrjälä * RETURNS: 375501b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 375601b68b04SVille Syrjälä * specified pixel format. 375701b68b04SVille Syrjälä */ 375801b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 375901b68b04SVille Syrjälä { 376001b68b04SVille Syrjälä switch (format) { 376101b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 376201b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 376301b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 376401b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 376501b68b04SVille Syrjälä return 4; 376601b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 376701b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 376801b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 376901b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 377001b68b04SVille Syrjälä case DRM_FORMAT_NV12: 377101b68b04SVille Syrjälä case DRM_FORMAT_NV21: 377201b68b04SVille Syrjälä case DRM_FORMAT_NV16: 377301b68b04SVille Syrjälä case DRM_FORMAT_NV61: 377401b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 377501b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 377601b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 377701b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 377801b68b04SVille Syrjälä return 2; 377901b68b04SVille Syrjälä default: 378001b68b04SVille Syrjälä return 1; 378101b68b04SVille Syrjälä } 378201b68b04SVille Syrjälä } 378301b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 378401b68b04SVille Syrjälä 378501b68b04SVille Syrjälä /** 378601b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 378701b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 378801b68b04SVille Syrjälä * 378901b68b04SVille Syrjälä * RETURNS: 379001b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 379101b68b04SVille Syrjälä * specified pixel format. 379201b68b04SVille Syrjälä */ 379301b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 379401b68b04SVille Syrjälä { 379501b68b04SVille Syrjälä switch (format) { 379601b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 379701b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 379801b68b04SVille Syrjälä return 4; 379901b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 380001b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 380101b68b04SVille Syrjälä case DRM_FORMAT_NV12: 380201b68b04SVille Syrjälä case DRM_FORMAT_NV21: 380301b68b04SVille Syrjälä return 2; 380401b68b04SVille Syrjälä default: 380501b68b04SVille Syrjälä return 1; 380601b68b04SVille Syrjälä } 380701b68b04SVille Syrjälä } 380801b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 380987d24fc3SLaurent Pinchart 381087d24fc3SLaurent Pinchart /** 381187d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 381287d24fc3SLaurent Pinchart * @dev: DRM device 381387d24fc3SLaurent Pinchart * 381487d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 381587d24fc3SLaurent Pinchart * configuration of @dev. 381687d24fc3SLaurent Pinchart * 381787d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 381887d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 381987d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 382087d24fc3SLaurent Pinchart * 382187d24fc3SLaurent Pinchart */ 382287d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 382387d24fc3SLaurent Pinchart { 382487d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 382587d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 382687d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 382787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 382887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 382987d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 383087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 383187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 383287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 383387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 383487d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 383587d24fc3SLaurent Pinchart 383687d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 383787d24fc3SLaurent Pinchart drm_mode_create_standard_connector_properties(dev); 383887d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 383987d24fc3SLaurent Pinchart 384087d24fc3SLaurent Pinchart /* Just to be sure */ 384187d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 384287d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 384387d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 384487d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 384587d24fc3SLaurent Pinchart } 384687d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 384787d24fc3SLaurent Pinchart 384887d24fc3SLaurent Pinchart /** 384987d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 385087d24fc3SLaurent Pinchart * @dev: DRM device 385187d24fc3SLaurent Pinchart * 385287d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 385387d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 385487d24fc3SLaurent Pinchart * 385587d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 385687d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 385787d24fc3SLaurent Pinchart * this guarantee actually holds true. 385887d24fc3SLaurent Pinchart * 385987d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 386087d24fc3SLaurent Pinchart */ 386187d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 386287d24fc3SLaurent Pinchart { 386387d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 386487d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 386587d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 386687d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 386787d24fc3SLaurent Pinchart struct drm_property *property, *pt; 386887d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 386987d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 387087d24fc3SLaurent Pinchart 387187d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 387287d24fc3SLaurent Pinchart head) { 387387d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 387487d24fc3SLaurent Pinchart } 387587d24fc3SLaurent Pinchart 387687d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 387787d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 387887d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 387987d24fc3SLaurent Pinchart } 388087d24fc3SLaurent Pinchart 388187d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 388287d24fc3SLaurent Pinchart head) { 388387d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 388487d24fc3SLaurent Pinchart } 388587d24fc3SLaurent Pinchart 388687d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 388787d24fc3SLaurent Pinchart head) { 388887d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 388987d24fc3SLaurent Pinchart } 389087d24fc3SLaurent Pinchart 389187d24fc3SLaurent Pinchart /* 389287d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 389387d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 389487d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 389587d24fc3SLaurent Pinchart * 389687d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 389787d24fc3SLaurent Pinchart * so politely WARN about this. 389887d24fc3SLaurent Pinchart */ 389987d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 390087d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 390187d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 390287d24fc3SLaurent Pinchart } 390387d24fc3SLaurent Pinchart 390487d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 390587d24fc3SLaurent Pinchart head) { 390687d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 390787d24fc3SLaurent Pinchart } 390887d24fc3SLaurent Pinchart 390987d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 391087d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 391187d24fc3SLaurent Pinchart } 391287d24fc3SLaurent Pinchart 391387d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 391487d24fc3SLaurent Pinchart } 391587d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 3916