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) { 5959125e618SVille Syrjälä if (plane->fb == fb) 5969125e618SVille Syrjälä drm_plane_force_disable(plane); 5978cf5c917SJesse Barnes } 598b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 599b62584e3SDaniel Vetter } 6008cf5c917SJesse Barnes 601f7eff60eSRob Clark drm_framebuffer_unreference(fb); 602f453ba04SDave Airlie } 603f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 604f453ba04SDave Airlie 605f453ba04SDave Airlie /** 606f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 607f453ba04SDave Airlie * @dev: DRM device 608f453ba04SDave Airlie * @crtc: CRTC object to init 609f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 610f453ba04SDave Airlie * 611ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6126bfc56aaSVille Syrjälä * 6136bfc56aaSVille Syrjälä * RETURNS: 6146bfc56aaSVille Syrjälä * Zero on success, error code on failure. 615f453ba04SDave Airlie */ 6166bfc56aaSVille Syrjälä int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 617f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 618f453ba04SDave Airlie { 6196bfc56aaSVille Syrjälä int ret; 6206bfc56aaSVille Syrjälä 621f453ba04SDave Airlie crtc->dev = dev; 622f453ba04SDave Airlie crtc->funcs = funcs; 6237c80e128SRob Clark crtc->invert_dimensions = false; 624f453ba04SDave Airlie 62584849903SDaniel Vetter drm_modeset_lock_all(dev); 62629494c17SDaniel Vetter mutex_init(&crtc->mutex); 62729494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 6286bfc56aaSVille Syrjälä 6296bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6306bfc56aaSVille Syrjälä if (ret) 6316bfc56aaSVille Syrjälä goto out; 632f453ba04SDave Airlie 633bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 634bffd9de0SPaulo Zanoni 635f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 636f453ba04SDave Airlie dev->mode_config.num_crtc++; 6376bfc56aaSVille Syrjälä 6386bfc56aaSVille Syrjälä out: 63984849903SDaniel Vetter drm_modeset_unlock_all(dev); 6406bfc56aaSVille Syrjälä 6416bfc56aaSVille Syrjälä return ret; 642f453ba04SDave Airlie } 643f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 644f453ba04SDave Airlie 645f453ba04SDave Airlie /** 646ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 647f453ba04SDave Airlie * @crtc: CRTC to cleanup 648f453ba04SDave Airlie * 649ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 650ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 651ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 652f453ba04SDave Airlie */ 653f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 654f453ba04SDave Airlie { 655f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 656f453ba04SDave Airlie 657f453ba04SDave Airlie kfree(crtc->gamma_store); 658f453ba04SDave Airlie crtc->gamma_store = NULL; 659f453ba04SDave Airlie 660f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 661f453ba04SDave Airlie list_del(&crtc->head); 662f453ba04SDave Airlie dev->mode_config.num_crtc--; 663f453ba04SDave Airlie } 664f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 665f453ba04SDave Airlie 666f453ba04SDave Airlie /** 667f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 668f453ba04SDave Airlie * @connector: connector the new mode 669f453ba04SDave Airlie * @mode: mode data 670f453ba04SDave Airlie * 671f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 672f453ba04SDave Airlie */ 673f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 674f453ba04SDave Airlie struct drm_display_mode *mode) 675f453ba04SDave Airlie { 676990256aeSVille Syrjälä list_add_tail(&mode->head, &connector->probed_modes); 677f453ba04SDave Airlie } 678f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 679f453ba04SDave Airlie 680f453ba04SDave Airlie /** 681f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 682f453ba04SDave Airlie * @connector: connector list to modify 683f453ba04SDave Airlie * @mode: mode to remove 684f453ba04SDave Airlie * 685f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 686f453ba04SDave Airlie */ 687f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 688f453ba04SDave Airlie struct drm_display_mode *mode) 689f453ba04SDave Airlie { 690f453ba04SDave Airlie list_del(&mode->head); 691554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 692f453ba04SDave Airlie } 693f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 694f453ba04SDave Airlie 695f453ba04SDave Airlie /** 696f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 697f453ba04SDave Airlie * @dev: DRM device 698f453ba04SDave Airlie * @connector: the connector to init 699f453ba04SDave Airlie * @funcs: callbacks for this connector 700065a50edSDaniel Vetter * @connector_type: user visible type of the connector 701f453ba04SDave Airlie * 702f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 703f453ba04SDave Airlie * subclassed as part of driver connector objects. 7046bfc56aaSVille Syrjälä * 7056bfc56aaSVille Syrjälä * RETURNS: 7066bfc56aaSVille Syrjälä * Zero on success, error code on failure. 707f453ba04SDave Airlie */ 7086bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 709f453ba04SDave Airlie struct drm_connector *connector, 710f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 711f453ba04SDave Airlie int connector_type) 712f453ba04SDave Airlie { 7136bfc56aaSVille Syrjälä int ret; 7146bfc56aaSVille Syrjälä 71584849903SDaniel Vetter drm_modeset_lock_all(dev); 716f453ba04SDave Airlie 7176bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 7186bfc56aaSVille Syrjälä if (ret) 7196bfc56aaSVille Syrjälä goto out; 7206bfc56aaSVille Syrjälä 7217e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 722f453ba04SDave Airlie connector->dev = dev; 723f453ba04SDave Airlie connector->funcs = funcs; 724f453ba04SDave Airlie connector->connector_type = connector_type; 725f453ba04SDave Airlie connector->connector_type_id = 726f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 727f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 728f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 729f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 7305e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 731f453ba04SDave Airlie 732f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 733f453ba04SDave Airlie dev->mode_config.num_connector++; 734f453ba04SDave Airlie 735a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 73658495563SRob Clark drm_object_attach_property(&connector->base, 737a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 738a7331e5cSThomas Hellstrom 0); 739f453ba04SDave Airlie 74058495563SRob Clark drm_object_attach_property(&connector->base, 741f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 742f453ba04SDave Airlie 7436bfc56aaSVille Syrjälä out: 74484849903SDaniel Vetter drm_modeset_unlock_all(dev); 7456bfc56aaSVille Syrjälä 7466bfc56aaSVille Syrjälä return ret; 747f453ba04SDave Airlie } 748f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 749f453ba04SDave Airlie 750f453ba04SDave Airlie /** 751f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 752f453ba04SDave Airlie * @connector: connector to cleanup 753f453ba04SDave Airlie * 754f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 755f453ba04SDave Airlie */ 756f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 757f453ba04SDave Airlie { 758f453ba04SDave Airlie struct drm_device *dev = connector->dev; 759f453ba04SDave Airlie struct drm_display_mode *mode, *t; 760f453ba04SDave Airlie 761f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 762f453ba04SDave Airlie drm_mode_remove(connector, mode); 763f453ba04SDave Airlie 764f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 765f453ba04SDave Airlie drm_mode_remove(connector, mode); 766f453ba04SDave Airlie 767f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 768f453ba04SDave Airlie list_del(&connector->head); 7696380c509SJoonyoung Shim dev->mode_config.num_connector--; 770f453ba04SDave Airlie } 771f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 772f453ba04SDave Airlie 773cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 774cbc7e221SDave Airlie { 775cbc7e221SDave Airlie struct drm_connector *connector; 776cbc7e221SDave Airlie 777cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 778cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 779cbc7e221SDave Airlie drm_sysfs_connector_remove(connector); 780cbc7e221SDave Airlie 781cbc7e221SDave Airlie } 782cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 783cbc7e221SDave Airlie 7846bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 785f453ba04SDave Airlie struct drm_encoder *encoder, 786f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 787f453ba04SDave Airlie int encoder_type) 788f453ba04SDave Airlie { 7896bfc56aaSVille Syrjälä int ret; 7906bfc56aaSVille Syrjälä 79184849903SDaniel Vetter drm_modeset_lock_all(dev); 792f453ba04SDave Airlie 7936bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 7946bfc56aaSVille Syrjälä if (ret) 7956bfc56aaSVille Syrjälä goto out; 796f453ba04SDave Airlie 7976bfc56aaSVille Syrjälä encoder->dev = dev; 798f453ba04SDave Airlie encoder->encoder_type = encoder_type; 799f453ba04SDave Airlie encoder->funcs = funcs; 800f453ba04SDave Airlie 801f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 802f453ba04SDave Airlie dev->mode_config.num_encoder++; 803f453ba04SDave Airlie 8046bfc56aaSVille Syrjälä out: 80584849903SDaniel Vetter drm_modeset_unlock_all(dev); 8066bfc56aaSVille Syrjälä 8076bfc56aaSVille Syrjälä return ret; 808f453ba04SDave Airlie } 809f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 810f453ba04SDave Airlie 811f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 812f453ba04SDave Airlie { 813f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 81484849903SDaniel Vetter drm_modeset_lock_all(dev); 815f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 816f453ba04SDave Airlie list_del(&encoder->head); 8176380c509SJoonyoung Shim dev->mode_config.num_encoder--; 81884849903SDaniel Vetter drm_modeset_unlock_all(dev); 819f453ba04SDave Airlie } 820f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 821f453ba04SDave Airlie 82235f2c3aeSVille Syrjälä /** 82335f2c3aeSVille Syrjälä * drm_plane_init - Initialise a new plane object 82435f2c3aeSVille Syrjälä * @dev: DRM device 82535f2c3aeSVille Syrjälä * @plane: plane object to init 82635f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 82735f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 82835f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 82935f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 83035f2c3aeSVille Syrjälä * @priv: plane is private (hidden from userspace)? 83135f2c3aeSVille Syrjälä * 83235f2c3aeSVille Syrjälä * Inits a new object created as base part of a driver plane object. 83335f2c3aeSVille Syrjälä * 83435f2c3aeSVille Syrjälä * RETURNS: 83535f2c3aeSVille Syrjälä * Zero on success, error code on failure. 83635f2c3aeSVille Syrjälä */ 8378cf5c917SJesse Barnes int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 8388cf5c917SJesse Barnes unsigned long possible_crtcs, 8398cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 8400a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 8410a7eb243SRob Clark bool priv) 8428cf5c917SJesse Barnes { 8436bfc56aaSVille Syrjälä int ret; 8446bfc56aaSVille Syrjälä 84584849903SDaniel Vetter drm_modeset_lock_all(dev); 8468cf5c917SJesse Barnes 8476bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 8486bfc56aaSVille Syrjälä if (ret) 8496bfc56aaSVille Syrjälä goto out; 8506bfc56aaSVille Syrjälä 8514d93914aSRob Clark plane->base.properties = &plane->properties; 8528cf5c917SJesse Barnes plane->dev = dev; 8538cf5c917SJesse Barnes plane->funcs = funcs; 8548cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 8558cf5c917SJesse Barnes GFP_KERNEL); 8568cf5c917SJesse Barnes if (!plane->format_types) { 8578cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 8588cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 8596bfc56aaSVille Syrjälä ret = -ENOMEM; 8606bfc56aaSVille Syrjälä goto out; 8618cf5c917SJesse Barnes } 8628cf5c917SJesse Barnes 863308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 8648cf5c917SJesse Barnes plane->format_count = format_count; 8658cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 8668cf5c917SJesse Barnes 8670a7eb243SRob Clark /* private planes are not exposed to userspace, but depending on 8680a7eb243SRob Clark * display hardware, might be convenient to allow sharing programming 8690a7eb243SRob Clark * for the scanout engine with the crtc implementation. 8700a7eb243SRob Clark */ 8710a7eb243SRob Clark if (!priv) { 8728cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 8738cf5c917SJesse Barnes dev->mode_config.num_plane++; 8740a7eb243SRob Clark } else { 8750a7eb243SRob Clark INIT_LIST_HEAD(&plane->head); 8760a7eb243SRob Clark } 8778cf5c917SJesse Barnes 8786bfc56aaSVille Syrjälä out: 87984849903SDaniel Vetter drm_modeset_unlock_all(dev); 8808cf5c917SJesse Barnes 8816bfc56aaSVille Syrjälä return ret; 8828cf5c917SJesse Barnes } 8838cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 8848cf5c917SJesse Barnes 88535f2c3aeSVille Syrjälä /** 88635f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 88735f2c3aeSVille Syrjälä * @plane: plane to cleanup 88835f2c3aeSVille Syrjälä * 88935f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 89035f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 89135f2c3aeSVille Syrjälä * this is the responsibility of the caller. 89235f2c3aeSVille Syrjälä */ 8938cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 8948cf5c917SJesse Barnes { 8958cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 8968cf5c917SJesse Barnes 89784849903SDaniel Vetter drm_modeset_lock_all(dev); 8988cf5c917SJesse Barnes kfree(plane->format_types); 8998cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 9000a7eb243SRob Clark /* if not added to a list, it must be a private plane */ 9010a7eb243SRob Clark if (!list_empty(&plane->head)) { 9028cf5c917SJesse Barnes list_del(&plane->head); 9038cf5c917SJesse Barnes dev->mode_config.num_plane--; 9040a7eb243SRob Clark } 90584849903SDaniel Vetter drm_modeset_unlock_all(dev); 9068cf5c917SJesse Barnes } 9078cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 9088cf5c917SJesse Barnes 90935f2c3aeSVille Syrjälä /** 91035f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 91135f2c3aeSVille Syrjälä * @plane: plane to disable 91235f2c3aeSVille Syrjälä * 91335f2c3aeSVille Syrjälä * Forces the plane to be disabled. 91435f2c3aeSVille Syrjälä * 91535f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 91635f2c3aeSVille Syrjälä * and when restoring fbdev mode. 91735f2c3aeSVille Syrjälä */ 9189125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 9199125e618SVille Syrjälä { 9209125e618SVille Syrjälä int ret; 9219125e618SVille Syrjälä 9229125e618SVille Syrjälä if (!plane->fb) 9239125e618SVille Syrjälä return; 9249125e618SVille Syrjälä 9259125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 9269125e618SVille Syrjälä if (ret) 9279125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 9289125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 9299125e618SVille Syrjälä __drm_framebuffer_unreference(plane->fb); 9309125e618SVille Syrjälä plane->fb = NULL; 9319125e618SVille Syrjälä plane->crtc = NULL; 9329125e618SVille Syrjälä } 9339125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 9349125e618SVille Syrjälä 935f453ba04SDave Airlie /** 936f453ba04SDave Airlie * drm_mode_create - create a new display mode 937f453ba04SDave Airlie * @dev: DRM device 938f453ba04SDave Airlie * 939f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 940f453ba04SDave Airlie * 941f453ba04SDave Airlie * RETURNS: 942f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 943f453ba04SDave Airlie */ 944f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 945f453ba04SDave Airlie { 946f453ba04SDave Airlie struct drm_display_mode *nmode; 947f453ba04SDave Airlie 948f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 949f453ba04SDave Airlie if (!nmode) 950f453ba04SDave Airlie return NULL; 951f453ba04SDave Airlie 9526bfc56aaSVille Syrjälä if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 9536bfc56aaSVille Syrjälä kfree(nmode); 9546bfc56aaSVille Syrjälä return NULL; 9556bfc56aaSVille Syrjälä } 9566bfc56aaSVille Syrjälä 957f453ba04SDave Airlie return nmode; 958f453ba04SDave Airlie } 959f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 960f453ba04SDave Airlie 961f453ba04SDave Airlie /** 962f453ba04SDave Airlie * drm_mode_destroy - remove a mode 963f453ba04SDave Airlie * @dev: DRM device 964f453ba04SDave Airlie * @mode: mode to remove 965f453ba04SDave Airlie * 966f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 967f453ba04SDave Airlie */ 968f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 969f453ba04SDave Airlie { 970ee34ab5bSVille Syrjälä if (!mode) 971ee34ab5bSVille Syrjälä return; 972ee34ab5bSVille Syrjälä 973f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 974f453ba04SDave Airlie 975f453ba04SDave Airlie kfree(mode); 976f453ba04SDave Airlie } 977f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 978f453ba04SDave Airlie 979f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 980f453ba04SDave Airlie { 981f453ba04SDave Airlie struct drm_property *edid; 982f453ba04SDave Airlie struct drm_property *dpms; 983f453ba04SDave Airlie 984f453ba04SDave Airlie /* 985f453ba04SDave Airlie * Standard properties (apply to all connectors) 986f453ba04SDave Airlie */ 987f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 988f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 989f453ba04SDave Airlie "EDID", 0); 990f453ba04SDave Airlie dev->mode_config.edid_property = edid; 991f453ba04SDave Airlie 9924a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 9934a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 9944a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 995f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 996f453ba04SDave Airlie 997f453ba04SDave Airlie return 0; 998f453ba04SDave Airlie } 999f453ba04SDave Airlie 1000f453ba04SDave Airlie /** 1001f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1002f453ba04SDave Airlie * @dev: DRM device 1003f453ba04SDave Airlie * 1004f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1005f453ba04SDave Airlie */ 1006f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1007f453ba04SDave Airlie { 1008f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1009f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1010f453ba04SDave Airlie 1011f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1012f453ba04SDave Airlie return 0; 1013f453ba04SDave Airlie 1014f453ba04SDave Airlie dvi_i_selector = 10154a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1016f453ba04SDave Airlie "select subconnector", 10174a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1018f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1019f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1020f453ba04SDave Airlie 10214a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1022f453ba04SDave Airlie "subconnector", 10234a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1024f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1025f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1026f453ba04SDave Airlie 1027f453ba04SDave Airlie return 0; 1028f453ba04SDave Airlie } 1029f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1030f453ba04SDave Airlie 1031f453ba04SDave Airlie /** 1032f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1033f453ba04SDave Airlie * @dev: DRM device 1034f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1035f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1036f453ba04SDave Airlie * 1037f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1038f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1039f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1040f453ba04SDave Airlie * this routine. 1041f453ba04SDave Airlie */ 1042f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 1043f453ba04SDave Airlie char *modes[]) 1044f453ba04SDave Airlie { 1045f453ba04SDave Airlie struct drm_property *tv_selector; 1046f453ba04SDave Airlie struct drm_property *tv_subconnector; 1047f453ba04SDave Airlie int i; 1048f453ba04SDave Airlie 1049f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1050f453ba04SDave Airlie return 0; 1051f453ba04SDave Airlie 1052f453ba04SDave Airlie /* 1053f453ba04SDave Airlie * Basic connector properties 1054f453ba04SDave Airlie */ 10554a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1056f453ba04SDave Airlie "select subconnector", 10574a67d391SSascha Hauer drm_tv_select_enum_list, 1058f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1059f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1060f453ba04SDave Airlie 1061f453ba04SDave Airlie tv_subconnector = 10624a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 10634a67d391SSascha Hauer "subconnector", 10644a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1065f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1066f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1067f453ba04SDave Airlie 1068f453ba04SDave Airlie /* 1069f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1070f453ba04SDave Airlie */ 1071f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1072d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1073f453ba04SDave Airlie 1074f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1075d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1076f453ba04SDave Airlie 1077f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1078d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1079f453ba04SDave Airlie 1080f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1081d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1082f453ba04SDave Airlie 1083f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1084f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1085f453ba04SDave Airlie "mode", num_modes); 1086f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1087f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1088f453ba04SDave Airlie i, modes[i]); 1089f453ba04SDave Airlie 1090b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1091d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1092b6b7902eSFrancisco Jerez 1093b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1094d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1095b6b7902eSFrancisco Jerez 1096b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1097d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1098b6b7902eSFrancisco Jerez 1099a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1100d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1101a75f0236SFrancisco Jerez 1102a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1103d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1104a75f0236SFrancisco Jerez 1105a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1106d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1107a75f0236SFrancisco Jerez 1108f453ba04SDave Airlie return 0; 1109f453ba04SDave Airlie } 1110f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1111f453ba04SDave Airlie 1112f453ba04SDave Airlie /** 1113f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1114f453ba04SDave Airlie * @dev: DRM device 1115f453ba04SDave Airlie * 1116f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1117f453ba04SDave Airlie * connectors. 1118f453ba04SDave Airlie */ 1119f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1120f453ba04SDave Airlie { 1121f453ba04SDave Airlie struct drm_property *scaling_mode; 1122f453ba04SDave Airlie 1123f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1124f453ba04SDave Airlie return 0; 1125f453ba04SDave Airlie 1126f453ba04SDave Airlie scaling_mode = 11274a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 11284a67d391SSascha Hauer drm_scaling_mode_enum_list, 1129f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1130f453ba04SDave Airlie 1131f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1132f453ba04SDave Airlie 1133f453ba04SDave Airlie return 0; 1134f453ba04SDave Airlie } 1135f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1136f453ba04SDave Airlie 1137f453ba04SDave Airlie /** 1138f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 1139f453ba04SDave Airlie * @dev: DRM device 1140f453ba04SDave Airlie * 1141f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1142f453ba04SDave Airlie * connectors. 1143f453ba04SDave Airlie */ 1144f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 1145f453ba04SDave Airlie { 1146f453ba04SDave Airlie struct drm_property *dithering_mode; 1147f453ba04SDave Airlie 1148f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 1149f453ba04SDave Airlie return 0; 1150f453ba04SDave Airlie 1151f453ba04SDave Airlie dithering_mode = 11524a67d391SSascha Hauer drm_property_create_enum(dev, 0, "dithering", 11534a67d391SSascha Hauer drm_dithering_mode_enum_list, 1154f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 1155f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 1156f453ba04SDave Airlie 1157f453ba04SDave Airlie return 0; 1158f453ba04SDave Airlie } 1159f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 1160f453ba04SDave Airlie 1161f453ba04SDave Airlie /** 1162884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1163884840aaSJakob Bornecrantz * @dev: DRM device 1164884840aaSJakob Bornecrantz * 1165884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1166884840aaSJakob Bornecrantz * connectors. 1167884840aaSJakob Bornecrantz */ 1168884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1169884840aaSJakob Bornecrantz { 1170884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1171884840aaSJakob Bornecrantz 1172884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1173884840aaSJakob Bornecrantz return 0; 1174884840aaSJakob Bornecrantz 1175884840aaSJakob Bornecrantz dirty_info = 11764a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1177884840aaSJakob Bornecrantz "dirty", 11784a67d391SSascha Hauer drm_dirty_info_enum_list, 1179884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1180884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1181884840aaSJakob Bornecrantz 1182884840aaSJakob Bornecrantz return 0; 1183884840aaSJakob Bornecrantz } 1184884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1185884840aaSJakob Bornecrantz 1186ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1187f453ba04SDave Airlie { 1188f453ba04SDave Airlie uint32_t total_objects = 0; 1189f453ba04SDave Airlie 1190f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1191f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1192f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1193f453ba04SDave Airlie 1194f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1195f453ba04SDave Airlie if (!group->id_list) 1196f453ba04SDave Airlie return -ENOMEM; 1197f453ba04SDave Airlie 1198f453ba04SDave Airlie group->num_crtcs = 0; 1199f453ba04SDave Airlie group->num_connectors = 0; 1200f453ba04SDave Airlie group->num_encoders = 0; 1201f453ba04SDave Airlie return 0; 1202f453ba04SDave Airlie } 1203f453ba04SDave Airlie 1204f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1205f453ba04SDave Airlie struct drm_mode_group *group) 1206f453ba04SDave Airlie { 1207f453ba04SDave Airlie struct drm_crtc *crtc; 1208f453ba04SDave Airlie struct drm_encoder *encoder; 1209f453ba04SDave Airlie struct drm_connector *connector; 1210f453ba04SDave Airlie int ret; 1211f453ba04SDave Airlie 1212f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1213f453ba04SDave Airlie return ret; 1214f453ba04SDave Airlie 1215f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1216f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1217f453ba04SDave Airlie 1218f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1219f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1220f453ba04SDave Airlie encoder->base.id; 1221f453ba04SDave Airlie 1222f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1223f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1224f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1225f453ba04SDave Airlie 1226f453ba04SDave Airlie return 0; 1227f453ba04SDave Airlie } 12289c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1229f453ba04SDave Airlie 1230f453ba04SDave Airlie /** 1231f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1232f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1233f453ba04SDave Airlie * @in: drm_display_mode to use 1234f453ba04SDave Airlie * 1235f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1236f453ba04SDave Airlie * the user. 1237f453ba04SDave Airlie */ 123893bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 123993bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1240f453ba04SDave Airlie { 1241e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1242e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1243e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1244e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1245e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1246e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1247e36fae38SVille Syrjälä 1248f453ba04SDave Airlie out->clock = in->clock; 1249f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1250f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1251f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1252f453ba04SDave Airlie out->htotal = in->htotal; 1253f453ba04SDave Airlie out->hskew = in->hskew; 1254f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1255f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1256f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1257f453ba04SDave Airlie out->vtotal = in->vtotal; 1258f453ba04SDave Airlie out->vscan = in->vscan; 1259f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1260f453ba04SDave Airlie out->flags = in->flags; 1261f453ba04SDave Airlie out->type = in->type; 1262f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1263f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1264f453ba04SDave Airlie } 1265f453ba04SDave Airlie 1266f453ba04SDave Airlie /** 1267f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1268f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1269f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1270f453ba04SDave Airlie * 1271f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1272f453ba04SDave Airlie * the caller. 127390367bf6SVille Syrjälä * 127490367bf6SVille Syrjälä * RETURNS: 127590367bf6SVille Syrjälä * Zero on success, errno on failure. 1276f453ba04SDave Airlie */ 127793bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 127893bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1279f453ba04SDave Airlie { 128090367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 128190367bf6SVille Syrjälä return -ERANGE; 128290367bf6SVille Syrjälä 1283f453ba04SDave Airlie out->clock = in->clock; 1284f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1285f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1286f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1287f453ba04SDave Airlie out->htotal = in->htotal; 1288f453ba04SDave Airlie out->hskew = in->hskew; 1289f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1290f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1291f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1292f453ba04SDave Airlie out->vtotal = in->vtotal; 1293f453ba04SDave Airlie out->vscan = in->vscan; 1294f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1295f453ba04SDave Airlie out->flags = in->flags; 1296f453ba04SDave Airlie out->type = in->type; 1297f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1298f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 129990367bf6SVille Syrjälä 130090367bf6SVille Syrjälä return 0; 1301f453ba04SDave Airlie } 1302f453ba04SDave Airlie 1303f453ba04SDave Airlie /** 1304f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1305065a50edSDaniel Vetter * @dev: drm device for the ioctl 1306065a50edSDaniel Vetter * @data: data pointer for the ioctl 1307065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1308f453ba04SDave Airlie * 1309f453ba04SDave Airlie * Construct a set of configuration description structures and return 1310f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1311f453ba04SDave Airlie * 1312f453ba04SDave Airlie * Called by the user via ioctl. 1313f453ba04SDave Airlie * 1314f453ba04SDave Airlie * RETURNS: 1315f453ba04SDave Airlie * Zero on success, errno on failure. 1316f453ba04SDave Airlie */ 1317f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1318f453ba04SDave Airlie struct drm_file *file_priv) 1319f453ba04SDave Airlie { 1320f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1321f453ba04SDave Airlie struct list_head *lh; 1322f453ba04SDave Airlie struct drm_framebuffer *fb; 1323f453ba04SDave Airlie struct drm_connector *connector; 1324f453ba04SDave Airlie struct drm_crtc *crtc; 1325f453ba04SDave Airlie struct drm_encoder *encoder; 1326f453ba04SDave Airlie int ret = 0; 1327f453ba04SDave Airlie int connector_count = 0; 1328f453ba04SDave Airlie int crtc_count = 0; 1329f453ba04SDave Airlie int fb_count = 0; 1330f453ba04SDave Airlie int encoder_count = 0; 1331f453ba04SDave Airlie int copied = 0, i; 1332f453ba04SDave Airlie uint32_t __user *fb_id; 1333f453ba04SDave Airlie uint32_t __user *crtc_id; 1334f453ba04SDave Airlie uint32_t __user *connector_id; 1335f453ba04SDave Airlie uint32_t __user *encoder_id; 1336f453ba04SDave Airlie struct drm_mode_group *mode_group; 1337f453ba04SDave Airlie 1338fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1339fb3b06c8SDave Airlie return -EINVAL; 1340fb3b06c8SDave Airlie 1341f453ba04SDave Airlie 13424b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1343f453ba04SDave Airlie /* 1344f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1345f453ba04SDave Airlie * by IDs in the group list for this node 1346f453ba04SDave Airlie */ 1347f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1348f453ba04SDave Airlie fb_count++; 1349f453ba04SDave Airlie 13504b096ac1SDaniel Vetter /* handle this in 4 parts */ 13514b096ac1SDaniel Vetter /* FBs */ 13524b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 13534b096ac1SDaniel Vetter copied = 0; 13544b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 13554b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 13564b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 13574b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 13584b096ac1SDaniel Vetter return -EFAULT; 13594b096ac1SDaniel Vetter } 13604b096ac1SDaniel Vetter copied++; 13614b096ac1SDaniel Vetter } 13624b096ac1SDaniel Vetter } 13634b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 13644b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 13654b096ac1SDaniel Vetter 13664b096ac1SDaniel Vetter drm_modeset_lock_all(dev); 1367f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1368f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1369f453ba04SDave Airlie 1370f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1371f453ba04SDave Airlie crtc_count++; 1372f453ba04SDave Airlie 1373f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1374f453ba04SDave Airlie connector_count++; 1375f453ba04SDave Airlie 1376f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1377f453ba04SDave Airlie encoder_count++; 1378f453ba04SDave Airlie } else { 1379f453ba04SDave Airlie 1380f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1381f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1382f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1383f453ba04SDave Airlie } 1384f453ba04SDave Airlie 1385f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1386f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1387f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1388f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1389f453ba04SDave Airlie 1390f453ba04SDave Airlie /* CRTCs */ 1391f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1392f453ba04SDave Airlie copied = 0; 1393f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1394f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1395f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1396f453ba04SDave Airlie head) { 13979440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1398f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1399f453ba04SDave Airlie ret = -EFAULT; 1400f453ba04SDave Airlie goto out; 1401f453ba04SDave Airlie } 1402f453ba04SDave Airlie copied++; 1403f453ba04SDave Airlie } 1404f453ba04SDave Airlie } else { 1405f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1406f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1407f453ba04SDave Airlie crtc_id + copied)) { 1408f453ba04SDave Airlie ret = -EFAULT; 1409f453ba04SDave Airlie goto out; 1410f453ba04SDave Airlie } 1411f453ba04SDave Airlie copied++; 1412f453ba04SDave Airlie } 1413f453ba04SDave Airlie } 1414f453ba04SDave Airlie } 1415f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1416f453ba04SDave Airlie 1417f453ba04SDave Airlie /* Encoders */ 1418f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1419f453ba04SDave Airlie copied = 0; 1420f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1421f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1422f453ba04SDave Airlie list_for_each_entry(encoder, 1423f453ba04SDave Airlie &dev->mode_config.encoder_list, 1424f453ba04SDave Airlie head) { 14259440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 14269440106bSJerome Glisse drm_get_encoder_name(encoder)); 1427f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1428f453ba04SDave Airlie copied)) { 1429f453ba04SDave Airlie ret = -EFAULT; 1430f453ba04SDave Airlie goto out; 1431f453ba04SDave Airlie } 1432f453ba04SDave Airlie copied++; 1433f453ba04SDave Airlie } 1434f453ba04SDave Airlie } else { 1435f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1436f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1437f453ba04SDave Airlie encoder_id + copied)) { 1438f453ba04SDave Airlie ret = -EFAULT; 1439f453ba04SDave Airlie goto out; 1440f453ba04SDave Airlie } 1441f453ba04SDave Airlie copied++; 1442f453ba04SDave Airlie } 1443f453ba04SDave Airlie 1444f453ba04SDave Airlie } 1445f453ba04SDave Airlie } 1446f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1447f453ba04SDave Airlie 1448f453ba04SDave Airlie /* Connectors */ 1449f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1450f453ba04SDave Airlie copied = 0; 1451f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1452f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1453f453ba04SDave Airlie list_for_each_entry(connector, 1454f453ba04SDave Airlie &dev->mode_config.connector_list, 1455f453ba04SDave Airlie head) { 14569440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 14579440106bSJerome Glisse connector->base.id, 14589440106bSJerome Glisse drm_get_connector_name(connector)); 1459f453ba04SDave Airlie if (put_user(connector->base.id, 1460f453ba04SDave Airlie connector_id + copied)) { 1461f453ba04SDave Airlie ret = -EFAULT; 1462f453ba04SDave Airlie goto out; 1463f453ba04SDave Airlie } 1464f453ba04SDave Airlie copied++; 1465f453ba04SDave Airlie } 1466f453ba04SDave Airlie } else { 1467f453ba04SDave Airlie int start = mode_group->num_crtcs + 1468f453ba04SDave Airlie mode_group->num_encoders; 1469f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1470f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1471f453ba04SDave Airlie connector_id + copied)) { 1472f453ba04SDave Airlie ret = -EFAULT; 1473f453ba04SDave Airlie goto out; 1474f453ba04SDave Airlie } 1475f453ba04SDave Airlie copied++; 1476f453ba04SDave Airlie } 1477f453ba04SDave Airlie } 1478f453ba04SDave Airlie } 1479f453ba04SDave Airlie card_res->count_connectors = connector_count; 1480f453ba04SDave Airlie 14819440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1482f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1483f453ba04SDave Airlie 1484f453ba04SDave Airlie out: 148584849903SDaniel Vetter drm_modeset_unlock_all(dev); 1486f453ba04SDave Airlie return ret; 1487f453ba04SDave Airlie } 1488f453ba04SDave Airlie 1489f453ba04SDave Airlie /** 1490f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1491065a50edSDaniel Vetter * @dev: drm device for the ioctl 1492065a50edSDaniel Vetter * @data: data pointer for the ioctl 1493065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1494f453ba04SDave Airlie * 1495f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1496f453ba04SDave Airlie * 1497f453ba04SDave Airlie * Called by the user via ioctl. 1498f453ba04SDave Airlie * 1499f453ba04SDave Airlie * RETURNS: 1500f453ba04SDave Airlie * Zero on success, errno on failure. 1501f453ba04SDave Airlie */ 1502f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1503f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1504f453ba04SDave Airlie { 1505f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1506f453ba04SDave Airlie struct drm_crtc *crtc; 1507f453ba04SDave Airlie struct drm_mode_object *obj; 1508f453ba04SDave Airlie int ret = 0; 1509f453ba04SDave Airlie 1510fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1511fb3b06c8SDave Airlie return -EINVAL; 1512fb3b06c8SDave Airlie 151384849903SDaniel Vetter drm_modeset_lock_all(dev); 1514f453ba04SDave Airlie 1515f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1516f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1517f453ba04SDave Airlie if (!obj) { 1518f453ba04SDave Airlie ret = -EINVAL; 1519f453ba04SDave Airlie goto out; 1520f453ba04SDave Airlie } 1521f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1522f453ba04SDave Airlie 1523f453ba04SDave Airlie crtc_resp->x = crtc->x; 1524f453ba04SDave Airlie crtc_resp->y = crtc->y; 1525f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1526f453ba04SDave Airlie if (crtc->fb) 1527f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1528f453ba04SDave Airlie else 1529f453ba04SDave Airlie crtc_resp->fb_id = 0; 1530f453ba04SDave Airlie 1531f453ba04SDave Airlie if (crtc->enabled) { 1532f453ba04SDave Airlie 1533f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1534f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1535f453ba04SDave Airlie 1536f453ba04SDave Airlie } else { 1537f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1538f453ba04SDave Airlie } 1539f453ba04SDave Airlie 1540f453ba04SDave Airlie out: 154184849903SDaniel Vetter drm_modeset_unlock_all(dev); 1542f453ba04SDave Airlie return ret; 1543f453ba04SDave Airlie } 1544f453ba04SDave Airlie 1545f453ba04SDave Airlie /** 1546f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1547065a50edSDaniel Vetter * @dev: drm device for the ioctl 1548065a50edSDaniel Vetter * @data: data pointer for the ioctl 1549065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1550f453ba04SDave Airlie * 1551f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1552f453ba04SDave Airlie * 1553f453ba04SDave Airlie * Called by the user via ioctl. 1554f453ba04SDave Airlie * 1555f453ba04SDave Airlie * RETURNS: 1556f453ba04SDave Airlie * Zero on success, errno on failure. 1557f453ba04SDave Airlie */ 1558f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1559f453ba04SDave Airlie struct drm_file *file_priv) 1560f453ba04SDave Airlie { 1561f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1562f453ba04SDave Airlie struct drm_mode_object *obj; 1563f453ba04SDave Airlie struct drm_connector *connector; 1564f453ba04SDave Airlie struct drm_display_mode *mode; 1565f453ba04SDave Airlie int mode_count = 0; 1566f453ba04SDave Airlie int props_count = 0; 1567f453ba04SDave Airlie int encoders_count = 0; 1568f453ba04SDave Airlie int ret = 0; 1569f453ba04SDave Airlie int copied = 0; 1570f453ba04SDave Airlie int i; 1571f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1572f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1573f453ba04SDave Airlie uint32_t __user *prop_ptr; 1574f453ba04SDave Airlie uint64_t __user *prop_values; 1575f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1576f453ba04SDave Airlie 1577fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1578fb3b06c8SDave Airlie return -EINVAL; 1579fb3b06c8SDave Airlie 1580f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1581f453ba04SDave Airlie 15829440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1583f453ba04SDave Airlie 15847b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1585f453ba04SDave Airlie 1586f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1587f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1588f453ba04SDave Airlie if (!obj) { 1589f453ba04SDave Airlie ret = -EINVAL; 1590f453ba04SDave Airlie goto out; 1591f453ba04SDave Airlie } 1592f453ba04SDave Airlie connector = obj_to_connector(obj); 1593f453ba04SDave Airlie 15947f88a9beSPaulo Zanoni props_count = connector->properties.count; 1595f453ba04SDave Airlie 1596f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1597f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1598f453ba04SDave Airlie encoders_count++; 1599f453ba04SDave Airlie } 1600f453ba04SDave Airlie } 1601f453ba04SDave Airlie 1602f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1603f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1604f453ba04SDave Airlie dev->mode_config.max_width, 1605f453ba04SDave Airlie dev->mode_config.max_height); 1606f453ba04SDave Airlie } 1607f453ba04SDave Airlie 1608f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1609f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1610f453ba04SDave Airlie mode_count++; 1611f453ba04SDave Airlie 1612f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1613f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1614f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1615f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1616f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1617f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1618f453ba04SDave Airlie out_resp->connection = connector->status; 1619f453ba04SDave Airlie if (connector->encoder) 1620f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1621f453ba04SDave Airlie else 1622f453ba04SDave Airlie out_resp->encoder_id = 0; 1623f453ba04SDave Airlie 1624f453ba04SDave Airlie /* 1625f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1626f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1627f453ba04SDave Airlie */ 1628f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1629f453ba04SDave Airlie copied = 0; 163081f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 1631f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1632f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1633f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1634f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1635f453ba04SDave Airlie ret = -EFAULT; 1636f453ba04SDave Airlie goto out; 1637f453ba04SDave Airlie } 1638f453ba04SDave Airlie copied++; 1639f453ba04SDave Airlie } 1640f453ba04SDave Airlie } 1641f453ba04SDave Airlie out_resp->count_modes = mode_count; 1642f453ba04SDave Airlie 1643f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1644f453ba04SDave Airlie copied = 0; 164581f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 164681f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 16477f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 16487e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 1649f453ba04SDave Airlie prop_ptr + copied)) { 1650f453ba04SDave Airlie ret = -EFAULT; 1651f453ba04SDave Airlie goto out; 1652f453ba04SDave Airlie } 1653f453ba04SDave Airlie 16547e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 1655f453ba04SDave Airlie prop_values + copied)) { 1656f453ba04SDave Airlie ret = -EFAULT; 1657f453ba04SDave Airlie goto out; 1658f453ba04SDave Airlie } 1659f453ba04SDave Airlie copied++; 1660f453ba04SDave Airlie } 1661f453ba04SDave Airlie } 1662f453ba04SDave Airlie out_resp->count_props = props_count; 1663f453ba04SDave Airlie 1664f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1665f453ba04SDave Airlie copied = 0; 166681f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 1667f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1668f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1669f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1670f453ba04SDave Airlie encoder_ptr + copied)) { 1671f453ba04SDave Airlie ret = -EFAULT; 1672f453ba04SDave Airlie goto out; 1673f453ba04SDave Airlie } 1674f453ba04SDave Airlie copied++; 1675f453ba04SDave Airlie } 1676f453ba04SDave Airlie } 1677f453ba04SDave Airlie } 1678f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1679f453ba04SDave Airlie 1680f453ba04SDave Airlie out: 16817b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 16827b24056bSDaniel Vetter 1683f453ba04SDave Airlie return ret; 1684f453ba04SDave Airlie } 1685f453ba04SDave Airlie 1686f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1687f453ba04SDave Airlie struct drm_file *file_priv) 1688f453ba04SDave Airlie { 1689f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1690f453ba04SDave Airlie struct drm_mode_object *obj; 1691f453ba04SDave Airlie struct drm_encoder *encoder; 1692f453ba04SDave Airlie int ret = 0; 1693f453ba04SDave Airlie 1694fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1695fb3b06c8SDave Airlie return -EINVAL; 1696fb3b06c8SDave Airlie 169784849903SDaniel Vetter drm_modeset_lock_all(dev); 1698f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1699f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1700f453ba04SDave Airlie if (!obj) { 1701f453ba04SDave Airlie ret = -EINVAL; 1702f453ba04SDave Airlie goto out; 1703f453ba04SDave Airlie } 1704f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1705f453ba04SDave Airlie 1706f453ba04SDave Airlie if (encoder->crtc) 1707f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1708f453ba04SDave Airlie else 1709f453ba04SDave Airlie enc_resp->crtc_id = 0; 1710f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1711f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1712f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1713f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1714f453ba04SDave Airlie 1715f453ba04SDave Airlie out: 171684849903SDaniel Vetter drm_modeset_unlock_all(dev); 1717f453ba04SDave Airlie return ret; 1718f453ba04SDave Airlie } 1719f453ba04SDave Airlie 1720f453ba04SDave Airlie /** 17218cf5c917SJesse Barnes * drm_mode_getplane_res - get plane info 17228cf5c917SJesse Barnes * @dev: DRM device 17238cf5c917SJesse Barnes * @data: ioctl data 17248cf5c917SJesse Barnes * @file_priv: DRM file info 17258cf5c917SJesse Barnes * 17268cf5c917SJesse Barnes * Return an plane count and set of IDs. 17278cf5c917SJesse Barnes */ 17288cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 17298cf5c917SJesse Barnes struct drm_file *file_priv) 17308cf5c917SJesse Barnes { 17318cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 17328cf5c917SJesse Barnes struct drm_mode_config *config; 17338cf5c917SJesse Barnes struct drm_plane *plane; 17348cf5c917SJesse Barnes uint32_t __user *plane_ptr; 17358cf5c917SJesse Barnes int copied = 0, ret = 0; 17368cf5c917SJesse Barnes 17378cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17388cf5c917SJesse Barnes return -EINVAL; 17398cf5c917SJesse Barnes 174084849903SDaniel Vetter drm_modeset_lock_all(dev); 17418cf5c917SJesse Barnes config = &dev->mode_config; 17428cf5c917SJesse Barnes 17438cf5c917SJesse Barnes /* 17448cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 17458cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 17468cf5c917SJesse Barnes */ 17478cf5c917SJesse Barnes if (config->num_plane && 17488cf5c917SJesse Barnes (plane_resp->count_planes >= config->num_plane)) { 174981f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 17508cf5c917SJesse Barnes 17518cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 17528cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 17538cf5c917SJesse Barnes ret = -EFAULT; 17548cf5c917SJesse Barnes goto out; 17558cf5c917SJesse Barnes } 17568cf5c917SJesse Barnes copied++; 17578cf5c917SJesse Barnes } 17588cf5c917SJesse Barnes } 17598cf5c917SJesse Barnes plane_resp->count_planes = config->num_plane; 17608cf5c917SJesse Barnes 17618cf5c917SJesse Barnes out: 176284849903SDaniel Vetter drm_modeset_unlock_all(dev); 17638cf5c917SJesse Barnes return ret; 17648cf5c917SJesse Barnes } 17658cf5c917SJesse Barnes 17668cf5c917SJesse Barnes /** 17678cf5c917SJesse Barnes * drm_mode_getplane - get plane info 17688cf5c917SJesse Barnes * @dev: DRM device 17698cf5c917SJesse Barnes * @data: ioctl data 17708cf5c917SJesse Barnes * @file_priv: DRM file info 17718cf5c917SJesse Barnes * 17728cf5c917SJesse Barnes * Return plane info, including formats supported, gamma size, any 17738cf5c917SJesse Barnes * current fb, etc. 17748cf5c917SJesse Barnes */ 17758cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 17768cf5c917SJesse Barnes struct drm_file *file_priv) 17778cf5c917SJesse Barnes { 17788cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 17798cf5c917SJesse Barnes struct drm_mode_object *obj; 17808cf5c917SJesse Barnes struct drm_plane *plane; 17818cf5c917SJesse Barnes uint32_t __user *format_ptr; 17828cf5c917SJesse Barnes int ret = 0; 17838cf5c917SJesse Barnes 17848cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17858cf5c917SJesse Barnes return -EINVAL; 17868cf5c917SJesse Barnes 178784849903SDaniel Vetter drm_modeset_lock_all(dev); 17888cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_resp->plane_id, 17898cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 17908cf5c917SJesse Barnes if (!obj) { 17918cf5c917SJesse Barnes ret = -ENOENT; 17928cf5c917SJesse Barnes goto out; 17938cf5c917SJesse Barnes } 17948cf5c917SJesse Barnes plane = obj_to_plane(obj); 17958cf5c917SJesse Barnes 17968cf5c917SJesse Barnes if (plane->crtc) 17978cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 17988cf5c917SJesse Barnes else 17998cf5c917SJesse Barnes plane_resp->crtc_id = 0; 18008cf5c917SJesse Barnes 18018cf5c917SJesse Barnes if (plane->fb) 18028cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 18038cf5c917SJesse Barnes else 18048cf5c917SJesse Barnes plane_resp->fb_id = 0; 18058cf5c917SJesse Barnes 18068cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 18078cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 1808778ad903SVille Syrjälä plane_resp->gamma_size = 0; 18098cf5c917SJesse Barnes 18108cf5c917SJesse Barnes /* 18118cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 18128cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 18138cf5c917SJesse Barnes */ 18148cf5c917SJesse Barnes if (plane->format_count && 18158cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 181681f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 18178cf5c917SJesse Barnes if (copy_to_user(format_ptr, 18188cf5c917SJesse Barnes plane->format_types, 18198cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 18208cf5c917SJesse Barnes ret = -EFAULT; 18218cf5c917SJesse Barnes goto out; 18228cf5c917SJesse Barnes } 18238cf5c917SJesse Barnes } 18248cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 18258cf5c917SJesse Barnes 18268cf5c917SJesse Barnes out: 182784849903SDaniel Vetter drm_modeset_unlock_all(dev); 18288cf5c917SJesse Barnes return ret; 18298cf5c917SJesse Barnes } 18308cf5c917SJesse Barnes 18318cf5c917SJesse Barnes /** 18328cf5c917SJesse Barnes * drm_mode_setplane - set up or tear down an plane 18338cf5c917SJesse Barnes * @dev: DRM device 18348cf5c917SJesse Barnes * @data: ioctl data* 1835065a50edSDaniel Vetter * @file_priv: DRM file info 18368cf5c917SJesse Barnes * 18378cf5c917SJesse Barnes * Set plane info, including placement, fb, scaling, and other factors. 18388cf5c917SJesse Barnes * Or pass a NULL fb to disable. 18398cf5c917SJesse Barnes */ 18408cf5c917SJesse Barnes int drm_mode_setplane(struct drm_device *dev, void *data, 18418cf5c917SJesse Barnes struct drm_file *file_priv) 18428cf5c917SJesse Barnes { 18438cf5c917SJesse Barnes struct drm_mode_set_plane *plane_req = data; 18448cf5c917SJesse Barnes struct drm_mode_object *obj; 18458cf5c917SJesse Barnes struct drm_plane *plane; 18468cf5c917SJesse Barnes struct drm_crtc *crtc; 18476c2a7532SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 18488cf5c917SJesse Barnes int ret = 0; 184942ef8789SVille Syrjälä unsigned int fb_width, fb_height; 185062443be6SVille Syrjälä int i; 18518cf5c917SJesse Barnes 18528cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 18538cf5c917SJesse Barnes return -EINVAL; 18548cf5c917SJesse Barnes 18558cf5c917SJesse Barnes /* 18568cf5c917SJesse Barnes * First, find the plane, crtc, and fb objects. If not available, 18578cf5c917SJesse Barnes * we don't bother to call the driver. 18588cf5c917SJesse Barnes */ 18598cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->plane_id, 18608cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 18618cf5c917SJesse Barnes if (!obj) { 18628cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown plane ID %d\n", 18638cf5c917SJesse Barnes plane_req->plane_id); 18646c2a7532SDaniel Vetter return -ENOENT; 18658cf5c917SJesse Barnes } 18668cf5c917SJesse Barnes plane = obj_to_plane(obj); 18678cf5c917SJesse Barnes 18688cf5c917SJesse Barnes /* No fb means shut it down */ 18698cf5c917SJesse Barnes if (!plane_req->fb_id) { 18706c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 18716c2a7532SDaniel Vetter old_fb = plane->fb; 18728cf5c917SJesse Barnes plane->funcs->disable_plane(plane); 1873e5e3b44cSVille Syrjälä plane->crtc = NULL; 1874e5e3b44cSVille Syrjälä plane->fb = NULL; 18756c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 18768cf5c917SJesse Barnes goto out; 18778cf5c917SJesse Barnes } 18788cf5c917SJesse Barnes 18798cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->crtc_id, 18808cf5c917SJesse Barnes DRM_MODE_OBJECT_CRTC); 18818cf5c917SJesse Barnes if (!obj) { 18828cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown crtc ID %d\n", 18838cf5c917SJesse Barnes plane_req->crtc_id); 18848cf5c917SJesse Barnes ret = -ENOENT; 18858cf5c917SJesse Barnes goto out; 18868cf5c917SJesse Barnes } 18878cf5c917SJesse Barnes crtc = obj_to_crtc(obj); 18888cf5c917SJesse Barnes 1889786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 1890786b99edSDaniel Vetter if (!fb) { 18918cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 18928cf5c917SJesse Barnes plane_req->fb_id); 18938cf5c917SJesse Barnes ret = -ENOENT; 18948cf5c917SJesse Barnes goto out; 18958cf5c917SJesse Barnes } 18968cf5c917SJesse Barnes 189762443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 189862443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 189962443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 190062443be6SVille Syrjälä break; 190162443be6SVille Syrjälä if (i == plane->format_count) { 19026ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 19036ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 190462443be6SVille Syrjälä ret = -EINVAL; 190562443be6SVille Syrjälä goto out; 190662443be6SVille Syrjälä } 190762443be6SVille Syrjälä 190842ef8789SVille Syrjälä fb_width = fb->width << 16; 190942ef8789SVille Syrjälä fb_height = fb->height << 16; 191042ef8789SVille Syrjälä 191142ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 191242ef8789SVille Syrjälä if (plane_req->src_w > fb_width || 191342ef8789SVille Syrjälä plane_req->src_x > fb_width - plane_req->src_w || 191442ef8789SVille Syrjälä plane_req->src_h > fb_height || 191542ef8789SVille Syrjälä plane_req->src_y > fb_height - plane_req->src_h) { 191642ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 191742ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 191842ef8789SVille Syrjälä plane_req->src_w >> 16, 191942ef8789SVille Syrjälä ((plane_req->src_w & 0xffff) * 15625) >> 10, 192042ef8789SVille Syrjälä plane_req->src_h >> 16, 192142ef8789SVille Syrjälä ((plane_req->src_h & 0xffff) * 15625) >> 10, 192242ef8789SVille Syrjälä plane_req->src_x >> 16, 192342ef8789SVille Syrjälä ((plane_req->src_x & 0xffff) * 15625) >> 10, 192442ef8789SVille Syrjälä plane_req->src_y >> 16, 192542ef8789SVille Syrjälä ((plane_req->src_y & 0xffff) * 15625) >> 10); 192642ef8789SVille Syrjälä ret = -ENOSPC; 192742ef8789SVille Syrjälä goto out; 192842ef8789SVille Syrjälä } 192942ef8789SVille Syrjälä 1930687a0400SVille Syrjälä /* Give drivers some help against integer overflows */ 1931687a0400SVille Syrjälä if (plane_req->crtc_w > INT_MAX || 1932687a0400SVille Syrjälä plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 1933687a0400SVille Syrjälä plane_req->crtc_h > INT_MAX || 1934687a0400SVille Syrjälä plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 1935687a0400SVille Syrjälä DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 1936687a0400SVille Syrjälä plane_req->crtc_w, plane_req->crtc_h, 1937687a0400SVille Syrjälä plane_req->crtc_x, plane_req->crtc_y); 1938687a0400SVille Syrjälä ret = -ERANGE; 1939687a0400SVille Syrjälä goto out; 1940687a0400SVille Syrjälä } 1941687a0400SVille Syrjälä 19426c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 19438cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 19448cf5c917SJesse Barnes plane_req->crtc_x, plane_req->crtc_y, 19458cf5c917SJesse Barnes plane_req->crtc_w, plane_req->crtc_h, 19468cf5c917SJesse Barnes plane_req->src_x, plane_req->src_y, 19478cf5c917SJesse Barnes plane_req->src_w, plane_req->src_h); 19488cf5c917SJesse Barnes if (!ret) { 19496c2a7532SDaniel Vetter old_fb = plane->fb; 19508cf5c917SJesse Barnes plane->crtc = crtc; 19518cf5c917SJesse Barnes plane->fb = fb; 195235f8badcSDaniel Vetter fb = NULL; 19538cf5c917SJesse Barnes } 19546c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 19558cf5c917SJesse Barnes 19568cf5c917SJesse Barnes out: 19576c2a7532SDaniel Vetter if (fb) 19586c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 19596c2a7532SDaniel Vetter if (old_fb) 19606c2a7532SDaniel Vetter drm_framebuffer_unreference(old_fb); 19618cf5c917SJesse Barnes 19628cf5c917SJesse Barnes return ret; 19638cf5c917SJesse Barnes } 19648cf5c917SJesse Barnes 19658cf5c917SJesse Barnes /** 19662d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 19672d13b679SDaniel Vetter * @set: modeset config to set 19682d13b679SDaniel Vetter * 19692d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 19702d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 19712d13b679SDaniel Vetter */ 19722d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 19732d13b679SDaniel Vetter { 19742d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 1975b0d12325SDaniel Vetter struct drm_framebuffer *fb, *old_fb; 1976b0d12325SDaniel Vetter int ret; 19772d13b679SDaniel Vetter 1978b0d12325SDaniel Vetter old_fb = crtc->fb; 1979b0d12325SDaniel Vetter fb = set->fb; 1980b0d12325SDaniel Vetter 1981b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 1982b0d12325SDaniel Vetter if (ret == 0) { 1983cc85e121SDaniel Vetter /* crtc->fb must be updated by ->set_config, enforces this. */ 1984cc85e121SDaniel Vetter WARN_ON(fb != crtc->fb); 1985cc85e121SDaniel Vetter 1986b0d12325SDaniel Vetter if (old_fb) 1987b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 1988b0d12325SDaniel Vetter if (fb) 1989b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 1990b0d12325SDaniel Vetter } 1991b0d12325SDaniel Vetter 1992b0d12325SDaniel Vetter return ret; 19932d13b679SDaniel Vetter } 19942d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 19952d13b679SDaniel Vetter 19962d13b679SDaniel Vetter /** 1997f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1998065a50edSDaniel Vetter * @dev: drm device for the ioctl 1999065a50edSDaniel Vetter * @data: data pointer for the ioctl 2000065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2001f453ba04SDave Airlie * 2002f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2003f453ba04SDave Airlie * 2004f453ba04SDave Airlie * Called by the user via ioctl. 2005f453ba04SDave Airlie * 2006f453ba04SDave Airlie * RETURNS: 2007f453ba04SDave Airlie * Zero on success, errno on failure. 2008f453ba04SDave Airlie */ 2009f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2010f453ba04SDave Airlie struct drm_file *file_priv) 2011f453ba04SDave Airlie { 2012f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2013f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 2014f453ba04SDave Airlie struct drm_mode_object *obj; 20156653cc8dSVille Syrjälä struct drm_crtc *crtc; 2016f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2017f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2018f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2019f453ba04SDave Airlie struct drm_mode_set set; 2020f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 20214a1b0714SLaurent Pinchart int ret; 2022f453ba04SDave Airlie int i; 2023f453ba04SDave Airlie 2024fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2025fb3b06c8SDave Airlie return -EINVAL; 2026fb3b06c8SDave Airlie 20271d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 20281d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 20291d97e915SVille Syrjälä return -ERANGE; 20301d97e915SVille Syrjälä 203184849903SDaniel Vetter drm_modeset_lock_all(dev); 2032f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 2033f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 2034f453ba04SDave Airlie if (!obj) { 203558367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2036f453ba04SDave Airlie ret = -EINVAL; 2037f453ba04SDave Airlie goto out; 2038f453ba04SDave Airlie } 2039f453ba04SDave Airlie crtc = obj_to_crtc(obj); 20409440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 2041f453ba04SDave Airlie 2042f453ba04SDave Airlie if (crtc_req->mode_valid) { 20437c80e128SRob Clark int hdisplay, vdisplay; 2044f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2045f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2046f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 20476653cc8dSVille Syrjälä if (!crtc->fb) { 20486653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 20496653cc8dSVille Syrjälä ret = -EINVAL; 20506653cc8dSVille Syrjälä goto out; 20516653cc8dSVille Syrjälä } 2052f453ba04SDave Airlie fb = crtc->fb; 2053b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2054b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2055f453ba04SDave Airlie } else { 2056786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2057786b99edSDaniel Vetter if (!fb) { 205858367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 205958367ed6SZhao Yakui crtc_req->fb_id); 2060f453ba04SDave Airlie ret = -EINVAL; 2061f453ba04SDave Airlie goto out; 2062f453ba04SDave Airlie } 2063f453ba04SDave Airlie } 2064f453ba04SDave Airlie 2065f453ba04SDave Airlie mode = drm_mode_create(dev); 2066ee34ab5bSVille Syrjälä if (!mode) { 2067ee34ab5bSVille Syrjälä ret = -ENOMEM; 2068ee34ab5bSVille Syrjälä goto out; 2069ee34ab5bSVille Syrjälä } 2070ee34ab5bSVille Syrjälä 207190367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 207290367bf6SVille Syrjälä if (ret) { 207390367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 207490367bf6SVille Syrjälä goto out; 207590367bf6SVille Syrjälä } 207690367bf6SVille Syrjälä 2077f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 20785f61bb42SVille Syrjälä 20797c80e128SRob Clark hdisplay = mode->hdisplay; 20807c80e128SRob Clark vdisplay = mode->vdisplay; 20817c80e128SRob Clark 20827c80e128SRob Clark if (crtc->invert_dimensions) 20837c80e128SRob Clark swap(hdisplay, vdisplay); 20847c80e128SRob Clark 20857c80e128SRob Clark if (hdisplay > fb->width || 20867c80e128SRob Clark vdisplay > fb->height || 20877c80e128SRob Clark crtc_req->x > fb->width - hdisplay || 20887c80e128SRob Clark crtc_req->y > fb->height - vdisplay) { 20897c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 20907c80e128SRob Clark fb->width, fb->height, 20917c80e128SRob Clark hdisplay, vdisplay, crtc_req->x, crtc_req->y, 20927c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 20935f61bb42SVille Syrjälä ret = -ENOSPC; 20945f61bb42SVille Syrjälä goto out; 20955f61bb42SVille Syrjälä } 2096f453ba04SDave Airlie } 2097f453ba04SDave Airlie 2098f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 209958367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2100f453ba04SDave Airlie ret = -EINVAL; 2101f453ba04SDave Airlie goto out; 2102f453ba04SDave Airlie } 2103f453ba04SDave Airlie 21047781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 210558367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2106f453ba04SDave Airlie crtc_req->count_connectors); 2107f453ba04SDave Airlie ret = -EINVAL; 2108f453ba04SDave Airlie goto out; 2109f453ba04SDave Airlie } 2110f453ba04SDave Airlie 2111f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2112f453ba04SDave Airlie u32 out_id; 2113f453ba04SDave Airlie 2114f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2115f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2116f453ba04SDave Airlie ret = -EINVAL; 2117f453ba04SDave Airlie goto out; 2118f453ba04SDave Airlie } 2119f453ba04SDave Airlie 2120f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 2121f453ba04SDave Airlie sizeof(struct drm_connector *), 2122f453ba04SDave Airlie GFP_KERNEL); 2123f453ba04SDave Airlie if (!connector_set) { 2124f453ba04SDave Airlie ret = -ENOMEM; 2125f453ba04SDave Airlie goto out; 2126f453ba04SDave Airlie } 2127f453ba04SDave Airlie 2128f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 212981f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2130f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2131f453ba04SDave Airlie ret = -EFAULT; 2132f453ba04SDave Airlie goto out; 2133f453ba04SDave Airlie } 2134f453ba04SDave Airlie 2135f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 2136f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 2137f453ba04SDave Airlie if (!obj) { 213858367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 213958367ed6SZhao Yakui out_id); 2140f453ba04SDave Airlie ret = -EINVAL; 2141f453ba04SDave Airlie goto out; 2142f453ba04SDave Airlie } 2143f453ba04SDave Airlie connector = obj_to_connector(obj); 21449440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 21459440106bSJerome Glisse connector->base.id, 21469440106bSJerome Glisse drm_get_connector_name(connector)); 2147f453ba04SDave Airlie 2148f453ba04SDave Airlie connector_set[i] = connector; 2149f453ba04SDave Airlie } 2150f453ba04SDave Airlie } 2151f453ba04SDave Airlie 2152f453ba04SDave Airlie set.crtc = crtc; 2153f453ba04SDave Airlie set.x = crtc_req->x; 2154f453ba04SDave Airlie set.y = crtc_req->y; 2155f453ba04SDave Airlie set.mode = mode; 2156f453ba04SDave Airlie set.connectors = connector_set; 2157f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2158f453ba04SDave Airlie set.fb = fb; 21592d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2160f453ba04SDave Airlie 2161f453ba04SDave Airlie out: 2162b0d12325SDaniel Vetter if (fb) 2163b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2164b0d12325SDaniel Vetter 2165f453ba04SDave Airlie kfree(connector_set); 2166ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 216784849903SDaniel Vetter drm_modeset_unlock_all(dev); 2168f453ba04SDave Airlie return ret; 2169f453ba04SDave Airlie } 2170f453ba04SDave Airlie 2171f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 2172f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2173f453ba04SDave Airlie { 2174f453ba04SDave Airlie struct drm_mode_cursor *req = data; 2175f453ba04SDave Airlie struct drm_mode_object *obj; 2176f453ba04SDave Airlie struct drm_crtc *crtc; 2177f453ba04SDave Airlie int ret = 0; 2178f453ba04SDave Airlie 2179fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2180fb3b06c8SDave Airlie return -EINVAL; 2181fb3b06c8SDave Airlie 21827c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2183f453ba04SDave Airlie return -EINVAL; 2184f453ba04SDave Airlie 2185e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 2186f453ba04SDave Airlie if (!obj) { 218758367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2188dac35663SDaniel Vetter return -EINVAL; 2189f453ba04SDave Airlie } 2190f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2191f453ba04SDave Airlie 2192dac35663SDaniel Vetter mutex_lock(&crtc->mutex); 2193f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 2194f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 2195f453ba04SDave Airlie ret = -ENXIO; 2196f453ba04SDave Airlie goto out; 2197f453ba04SDave Airlie } 2198f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 2199f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2200f453ba04SDave Airlie req->width, req->height); 2201f453ba04SDave Airlie } 2202f453ba04SDave Airlie 2203f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2204f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2205f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2206f453ba04SDave Airlie } else { 2207f453ba04SDave Airlie ret = -EFAULT; 2208f453ba04SDave Airlie goto out; 2209f453ba04SDave Airlie } 2210f453ba04SDave Airlie } 2211f453ba04SDave Airlie out: 2212dac35663SDaniel Vetter mutex_unlock(&crtc->mutex); 2213dac35663SDaniel Vetter 2214f453ba04SDave Airlie return ret; 2215f453ba04SDave Airlie } 2216f453ba04SDave Airlie 2217308e5bcbSJesse Barnes /* Original addfb only supported RGB formats, so figure out which one */ 2218308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2219308e5bcbSJesse Barnes { 2220308e5bcbSJesse Barnes uint32_t fmt; 2221308e5bcbSJesse Barnes 2222308e5bcbSJesse Barnes switch (bpp) { 2223308e5bcbSJesse Barnes case 8: 2224d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 2225308e5bcbSJesse Barnes break; 2226308e5bcbSJesse Barnes case 16: 2227308e5bcbSJesse Barnes if (depth == 15) 222804b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2229308e5bcbSJesse Barnes else 223004b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2231308e5bcbSJesse Barnes break; 2232308e5bcbSJesse Barnes case 24: 223304b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2234308e5bcbSJesse Barnes break; 2235308e5bcbSJesse Barnes case 32: 2236308e5bcbSJesse Barnes if (depth == 24) 223704b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2238308e5bcbSJesse Barnes else if (depth == 30) 223904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2240308e5bcbSJesse Barnes else 224104b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2242308e5bcbSJesse Barnes break; 2243308e5bcbSJesse Barnes default: 224404b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 224504b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2246308e5bcbSJesse Barnes break; 2247308e5bcbSJesse Barnes } 2248308e5bcbSJesse Barnes 2249308e5bcbSJesse Barnes return fmt; 2250308e5bcbSJesse Barnes } 2251308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2252308e5bcbSJesse Barnes 2253f453ba04SDave Airlie /** 2254f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2255065a50edSDaniel Vetter * @dev: drm device for the ioctl 2256065a50edSDaniel Vetter * @data: data pointer for the ioctl 2257065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2258f453ba04SDave Airlie * 2259f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 2260f453ba04SDave Airlie * 2261f453ba04SDave Airlie * Called by the user via ioctl. 2262f453ba04SDave Airlie * 2263f453ba04SDave Airlie * RETURNS: 2264f453ba04SDave Airlie * Zero on success, errno on failure. 2265f453ba04SDave Airlie */ 2266f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2267f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2268f453ba04SDave Airlie { 2269308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2270308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2271308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2272308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2273308e5bcbSJesse Barnes int ret = 0; 2274308e5bcbSJesse Barnes 2275308e5bcbSJesse Barnes /* Use new struct with format internally */ 2276308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2277308e5bcbSJesse Barnes r.width = or->width; 2278308e5bcbSJesse Barnes r.height = or->height; 2279308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2280308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2281308e5bcbSJesse Barnes r.handles[0] = or->handle; 2282308e5bcbSJesse Barnes 2283308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2284308e5bcbSJesse Barnes return -EINVAL; 2285308e5bcbSJesse Barnes 2286acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2287308e5bcbSJesse Barnes return -EINVAL; 2288acb4b992SJesse Barnes 2289acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2290308e5bcbSJesse Barnes return -EINVAL; 2291308e5bcbSJesse Barnes 2292308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2293308e5bcbSJesse Barnes if (IS_ERR(fb)) { 22941aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 22954b096ac1SDaniel Vetter return PTR_ERR(fb); 2296308e5bcbSJesse Barnes } 2297308e5bcbSJesse Barnes 22984b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2299308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2300308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2301308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 23024b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 23034b096ac1SDaniel Vetter 2304308e5bcbSJesse Barnes return ret; 2305308e5bcbSJesse Barnes } 2306308e5bcbSJesse Barnes 2307cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2308935b5977SVille Syrjälä { 2309935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2310935b5977SVille Syrjälä 2311935b5977SVille Syrjälä switch (format) { 2312935b5977SVille Syrjälä case DRM_FORMAT_C8: 2313935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2314935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2315935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2316935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2317935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2318935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2319935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2320935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2321935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2322935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2323935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2324935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2325935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 2326935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 2327935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 2328935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 2329935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 2330935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 2331935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 2332935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 2333935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 2334935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 2335935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 2336935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 2337935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 2338935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 2339935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 2340935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 2341935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 2342935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 2343935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 2344935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 2345935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 2346935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 2347935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 2348935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 2349935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 2350935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 2351935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 2352935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 2353935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 2354935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 2355935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 2356935b5977SVille Syrjälä case DRM_FORMAT_NV12: 2357935b5977SVille Syrjälä case DRM_FORMAT_NV21: 2358935b5977SVille Syrjälä case DRM_FORMAT_NV16: 2359935b5977SVille Syrjälä case DRM_FORMAT_NV61: 2360ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 2361ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 2362935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 2363935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 2364935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 2365935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 2366935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 2367935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 2368935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 2369935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 2370935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 2371935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 2372935b5977SVille Syrjälä return 0; 2373935b5977SVille Syrjälä default: 2374935b5977SVille Syrjälä return -EINVAL; 2375935b5977SVille Syrjälä } 2376935b5977SVille Syrjälä } 2377935b5977SVille Syrjälä 2378cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 2379d1b45d5fSVille Syrjälä { 2380d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 2381d1b45d5fSVille Syrjälä 2382d1b45d5fSVille Syrjälä ret = format_check(r); 2383d1b45d5fSVille Syrjälä if (ret) { 23846ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 23856ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 2386d1b45d5fSVille Syrjälä return ret; 2387d1b45d5fSVille Syrjälä } 2388d1b45d5fSVille Syrjälä 2389d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 2390d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 2391d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 2392d1b45d5fSVille Syrjälä 2393d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 23941aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 2395d1b45d5fSVille Syrjälä return -EINVAL; 2396d1b45d5fSVille Syrjälä } 2397d1b45d5fSVille Syrjälä 2398d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 23991aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 2400d1b45d5fSVille Syrjälä return -EINVAL; 2401d1b45d5fSVille Syrjälä } 2402d1b45d5fSVille Syrjälä 2403d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 2404d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 2405b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 2406b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 2407d1b45d5fSVille Syrjälä 2408d1b45d5fSVille Syrjälä if (!r->handles[i]) { 24091aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 2410d1b45d5fSVille Syrjälä return -EINVAL; 2411d1b45d5fSVille Syrjälä } 2412d1b45d5fSVille Syrjälä 2413b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 2414b180b5d1SVille Syrjälä return -ERANGE; 2415b180b5d1SVille Syrjälä 2416b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 2417b180b5d1SVille Syrjälä return -ERANGE; 2418b180b5d1SVille Syrjälä 2419b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 24201aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 2421d1b45d5fSVille Syrjälä return -EINVAL; 2422d1b45d5fSVille Syrjälä } 2423d1b45d5fSVille Syrjälä } 2424d1b45d5fSVille Syrjälä 2425d1b45d5fSVille Syrjälä return 0; 2426d1b45d5fSVille Syrjälä } 2427d1b45d5fSVille Syrjälä 2428308e5bcbSJesse Barnes /** 2429308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 2430065a50edSDaniel Vetter * @dev: drm device for the ioctl 2431065a50edSDaniel Vetter * @data: data pointer for the ioctl 2432065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2433308e5bcbSJesse Barnes * 2434308e5bcbSJesse Barnes * Add a new FB to the specified CRTC, given a user request with format. 2435308e5bcbSJesse Barnes * 2436308e5bcbSJesse Barnes * Called by the user via ioctl. 2437308e5bcbSJesse Barnes * 2438308e5bcbSJesse Barnes * RETURNS: 2439308e5bcbSJesse Barnes * Zero on success, errno on failure. 2440308e5bcbSJesse Barnes */ 2441308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 2442308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 2443308e5bcbSJesse Barnes { 2444308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 *r = data; 2445f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2446f453ba04SDave Airlie struct drm_framebuffer *fb; 24474a1b0714SLaurent Pinchart int ret; 2448f453ba04SDave Airlie 2449fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2450fb3b06c8SDave Airlie return -EINVAL; 2451fb3b06c8SDave Airlie 2452e3cc3520SVille Syrjälä if (r->flags & ~DRM_MODE_FB_INTERLACED) { 2453e3cc3520SVille Syrjälä DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 2454e3cc3520SVille Syrjälä return -EINVAL; 2455e3cc3520SVille Syrjälä } 2456e3cc3520SVille Syrjälä 2457f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 24581aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 24598cf5c917SJesse Barnes r->width, config->min_width, config->max_width); 2460f453ba04SDave Airlie return -EINVAL; 2461f453ba04SDave Airlie } 2462f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 24631aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 24648cf5c917SJesse Barnes r->height, config->min_height, config->max_height); 2465f453ba04SDave Airlie return -EINVAL; 2466f453ba04SDave Airlie } 2467f453ba04SDave Airlie 2468d1b45d5fSVille Syrjälä ret = framebuffer_check(r); 2469d1b45d5fSVille Syrjälä if (ret) 2470935b5977SVille Syrjälä return ret; 2471935b5977SVille Syrjälä 2472f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 2473cce13ff7SChris Wilson if (IS_ERR(fb)) { 24741aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 24754b096ac1SDaniel Vetter return PTR_ERR(fb); 2476f453ba04SDave Airlie } 2477f453ba04SDave Airlie 24784b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2479e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 2480f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 24819440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 24824b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2483f453ba04SDave Airlie 24844b096ac1SDaniel Vetter 2485f453ba04SDave Airlie return ret; 2486f453ba04SDave Airlie } 2487f453ba04SDave Airlie 2488f453ba04SDave Airlie /** 2489f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 2490065a50edSDaniel Vetter * @dev: drm device for the ioctl 2491065a50edSDaniel Vetter * @data: data pointer for the ioctl 2492065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2493f453ba04SDave Airlie * 2494f453ba04SDave Airlie * Remove the FB specified by the user. 2495f453ba04SDave Airlie * 2496f453ba04SDave Airlie * Called by the user via ioctl. 2497f453ba04SDave Airlie * 2498f453ba04SDave Airlie * RETURNS: 2499f453ba04SDave Airlie * Zero on success, errno on failure. 2500f453ba04SDave Airlie */ 2501f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 2502f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2503f453ba04SDave Airlie { 2504f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2505f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 2506f453ba04SDave Airlie uint32_t *id = data; 2507f453ba04SDave Airlie int found = 0; 2508f453ba04SDave Airlie 2509fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2510fb3b06c8SDave Airlie return -EINVAL; 2511fb3b06c8SDave Airlie 25124b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 25132b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 25142b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 25152b677e8cSDaniel Vetter if (!fb) 25162b677e8cSDaniel Vetter goto fail_lookup; 25172b677e8cSDaniel Vetter 2518f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2519f453ba04SDave Airlie if (fb == fbl) 2520f453ba04SDave Airlie found = 1; 25212b677e8cSDaniel Vetter if (!found) 25222b677e8cSDaniel Vetter goto fail_lookup; 25232b677e8cSDaniel Vetter 25242b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 25252b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 2526f453ba04SDave Airlie 25274b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 25282b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 25294b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2530f453ba04SDave Airlie 25314b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 25324b096ac1SDaniel Vetter 25332b677e8cSDaniel Vetter return 0; 25342b677e8cSDaniel Vetter 25352b677e8cSDaniel Vetter fail_lookup: 25362b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 25372b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 25382b677e8cSDaniel Vetter 25392b677e8cSDaniel Vetter return -EINVAL; 2540f453ba04SDave Airlie } 2541f453ba04SDave Airlie 2542f453ba04SDave Airlie /** 2543f453ba04SDave Airlie * drm_mode_getfb - get FB info 2544065a50edSDaniel Vetter * @dev: drm device for the ioctl 2545065a50edSDaniel Vetter * @data: data pointer for the ioctl 2546065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2547f453ba04SDave Airlie * 2548f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 2549f453ba04SDave Airlie * 2550f453ba04SDave Airlie * Called by the user via ioctl. 2551f453ba04SDave Airlie * 2552f453ba04SDave Airlie * RETURNS: 2553f453ba04SDave Airlie * Zero on success, errno on failure. 2554f453ba04SDave Airlie */ 2555f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 2556f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2557f453ba04SDave Airlie { 2558f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 2559f453ba04SDave Airlie struct drm_framebuffer *fb; 256058c0dca1SDaniel Vetter int ret; 2561f453ba04SDave Airlie 2562fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2563fb3b06c8SDave Airlie return -EINVAL; 2564fb3b06c8SDave Airlie 2565786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 256658c0dca1SDaniel Vetter if (!fb) 256758c0dca1SDaniel Vetter return -EINVAL; 2568f453ba04SDave Airlie 2569f453ba04SDave Airlie r->height = fb->height; 2570f453ba04SDave Airlie r->width = fb->width; 2571f453ba04SDave Airlie r->depth = fb->depth; 2572f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 257301f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 2574af26ef3bSDaniel Vetter if (fb->funcs->create_handle) 2575af26ef3bSDaniel Vetter ret = fb->funcs->create_handle(fb, file_priv, &r->handle); 2576af26ef3bSDaniel Vetter else 2577af26ef3bSDaniel Vetter ret = -ENODEV; 2578f453ba04SDave Airlie 257958c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 258058c0dca1SDaniel Vetter 2581f453ba04SDave Airlie return ret; 2582f453ba04SDave Airlie } 2583f453ba04SDave Airlie 2584884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2585884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 2586884840aaSJakob Bornecrantz { 2587884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 2588884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 2589884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 2590884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 2591884840aaSJakob Bornecrantz unsigned flags; 2592884840aaSJakob Bornecrantz int num_clips; 25934a1b0714SLaurent Pinchart int ret; 2594884840aaSJakob Bornecrantz 2595fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2596fb3b06c8SDave Airlie return -EINVAL; 2597fb3b06c8SDave Airlie 2598786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 25994ccf097fSDaniel Vetter if (!fb) 26004ccf097fSDaniel Vetter return -EINVAL; 2601884840aaSJakob Bornecrantz 2602884840aaSJakob Bornecrantz num_clips = r->num_clips; 260381f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 2604884840aaSJakob Bornecrantz 2605884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 2606884840aaSJakob Bornecrantz ret = -EINVAL; 2607884840aaSJakob Bornecrantz goto out_err1; 2608884840aaSJakob Bornecrantz } 2609884840aaSJakob Bornecrantz 2610884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2611884840aaSJakob Bornecrantz 2612884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 2613884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2614884840aaSJakob Bornecrantz ret = -EINVAL; 2615884840aaSJakob Bornecrantz goto out_err1; 2616884840aaSJakob Bornecrantz } 2617884840aaSJakob Bornecrantz 2618884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 2619a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2620a5cd3351SXi Wang ret = -EINVAL; 2621a5cd3351SXi Wang goto out_err1; 2622a5cd3351SXi Wang } 2623884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 2624884840aaSJakob Bornecrantz if (!clips) { 2625884840aaSJakob Bornecrantz ret = -ENOMEM; 2626884840aaSJakob Bornecrantz goto out_err1; 2627884840aaSJakob Bornecrantz } 2628884840aaSJakob Bornecrantz 2629884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 2630884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 2631e902a358SDan Carpenter if (ret) { 2632e902a358SDan Carpenter ret = -EFAULT; 2633884840aaSJakob Bornecrantz goto out_err2; 2634884840aaSJakob Bornecrantz } 2635e902a358SDan Carpenter } 2636884840aaSJakob Bornecrantz 2637884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 26384ccf097fSDaniel Vetter drm_modeset_lock_all(dev); 263902b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 264002b00162SThomas Hellstrom clips, num_clips); 26414ccf097fSDaniel Vetter drm_modeset_unlock_all(dev); 2642884840aaSJakob Bornecrantz } else { 2643884840aaSJakob Bornecrantz ret = -ENOSYS; 2644884840aaSJakob Bornecrantz } 2645884840aaSJakob Bornecrantz 2646884840aaSJakob Bornecrantz out_err2: 2647884840aaSJakob Bornecrantz kfree(clips); 2648884840aaSJakob Bornecrantz out_err1: 26494ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 26504ccf097fSDaniel Vetter 2651884840aaSJakob Bornecrantz return ret; 2652884840aaSJakob Bornecrantz } 2653884840aaSJakob Bornecrantz 2654884840aaSJakob Bornecrantz 2655f453ba04SDave Airlie /** 2656f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 2657065a50edSDaniel Vetter * @priv: drm file for the ioctl 2658f453ba04SDave Airlie * 2659f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 2660f453ba04SDave Airlie * 2661f453ba04SDave Airlie * Called by the user via ioctl. 2662f453ba04SDave Airlie * 2663f453ba04SDave Airlie * RETURNS: 2664f453ba04SDave Airlie * Zero on success, errno on failure. 2665f453ba04SDave Airlie */ 2666ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 2667f453ba04SDave Airlie { 2668f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 2669f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 2670f453ba04SDave Airlie 26714b096ac1SDaniel Vetter mutex_lock(&priv->fbs_lock); 2672f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 26732b677e8cSDaniel Vetter 26742b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 26752b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 26762b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 26772b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 26782b677e8cSDaniel Vetter 26794b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 26802b677e8cSDaniel Vetter 26812b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 2682f7eff60eSRob Clark drm_framebuffer_remove(fb); 2683f453ba04SDave Airlie } 26844b096ac1SDaniel Vetter mutex_unlock(&priv->fbs_lock); 2685f453ba04SDave Airlie } 2686f453ba04SDave Airlie 2687f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2688f453ba04SDave Airlie const char *name, int num_values) 2689f453ba04SDave Airlie { 2690f453ba04SDave Airlie struct drm_property *property = NULL; 26916bfc56aaSVille Syrjälä int ret; 2692f453ba04SDave Airlie 2693f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2694f453ba04SDave Airlie if (!property) 2695f453ba04SDave Airlie return NULL; 2696f453ba04SDave Airlie 2697f453ba04SDave Airlie if (num_values) { 2698f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2699f453ba04SDave Airlie if (!property->values) 2700f453ba04SDave Airlie goto fail; 2701f453ba04SDave Airlie } 2702f453ba04SDave Airlie 27036bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 27046bfc56aaSVille Syrjälä if (ret) 27056bfc56aaSVille Syrjälä goto fail; 27066bfc56aaSVille Syrjälä 2707f453ba04SDave Airlie property->flags = flags; 2708f453ba04SDave Airlie property->num_values = num_values; 2709f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2710f453ba04SDave Airlie 2711471dd2efSVinson Lee if (name) { 2712f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2713471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2714471dd2efSVinson Lee } 2715f453ba04SDave Airlie 2716f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2717f453ba04SDave Airlie return property; 2718f453ba04SDave Airlie fail: 27196bfc56aaSVille Syrjälä kfree(property->values); 2720f453ba04SDave Airlie kfree(property); 2721f453ba04SDave Airlie return NULL; 2722f453ba04SDave Airlie } 2723f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2724f453ba04SDave Airlie 27254a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 27264a67d391SSascha Hauer const char *name, 27274a67d391SSascha Hauer const struct drm_prop_enum_list *props, 27284a67d391SSascha Hauer int num_values) 27294a67d391SSascha Hauer { 27304a67d391SSascha Hauer struct drm_property *property; 27314a67d391SSascha Hauer int i, ret; 27324a67d391SSascha Hauer 27334a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 27344a67d391SSascha Hauer 27354a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 27364a67d391SSascha Hauer if (!property) 27374a67d391SSascha Hauer return NULL; 27384a67d391SSascha Hauer 27394a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 27404a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 27414a67d391SSascha Hauer props[i].type, 27424a67d391SSascha Hauer props[i].name); 27434a67d391SSascha Hauer if (ret) { 27444a67d391SSascha Hauer drm_property_destroy(dev, property); 27454a67d391SSascha Hauer return NULL; 27464a67d391SSascha Hauer } 27474a67d391SSascha Hauer } 27484a67d391SSascha Hauer 27494a67d391SSascha Hauer return property; 27504a67d391SSascha Hauer } 27514a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 27524a67d391SSascha Hauer 275349e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 275449e27545SRob Clark int flags, const char *name, 275549e27545SRob Clark const struct drm_prop_enum_list *props, 275649e27545SRob Clark int num_values) 275749e27545SRob Clark { 275849e27545SRob Clark struct drm_property *property; 275949e27545SRob Clark int i, ret; 276049e27545SRob Clark 276149e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 276249e27545SRob Clark 276349e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 276449e27545SRob Clark if (!property) 276549e27545SRob Clark return NULL; 276649e27545SRob Clark 276749e27545SRob Clark for (i = 0; i < num_values; i++) { 276849e27545SRob Clark ret = drm_property_add_enum(property, i, 276949e27545SRob Clark props[i].type, 277049e27545SRob Clark props[i].name); 277149e27545SRob Clark if (ret) { 277249e27545SRob Clark drm_property_destroy(dev, property); 277349e27545SRob Clark return NULL; 277449e27545SRob Clark } 277549e27545SRob Clark } 277649e27545SRob Clark 277749e27545SRob Clark return property; 277849e27545SRob Clark } 277949e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 278049e27545SRob Clark 2781d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2782d9bc3c02SSascha Hauer const char *name, 2783d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 2784d9bc3c02SSascha Hauer { 2785d9bc3c02SSascha Hauer struct drm_property *property; 2786d9bc3c02SSascha Hauer 2787d9bc3c02SSascha Hauer flags |= DRM_MODE_PROP_RANGE; 2788d9bc3c02SSascha Hauer 2789d9bc3c02SSascha Hauer property = drm_property_create(dev, flags, name, 2); 2790d9bc3c02SSascha Hauer if (!property) 2791d9bc3c02SSascha Hauer return NULL; 2792d9bc3c02SSascha Hauer 2793d9bc3c02SSascha Hauer property->values[0] = min; 2794d9bc3c02SSascha Hauer property->values[1] = max; 2795d9bc3c02SSascha Hauer 2796d9bc3c02SSascha Hauer return property; 2797d9bc3c02SSascha Hauer } 2798d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 2799d9bc3c02SSascha Hauer 2800f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2801f453ba04SDave Airlie uint64_t value, const char *name) 2802f453ba04SDave Airlie { 2803f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2804f453ba04SDave Airlie 280549e27545SRob Clark if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 280649e27545SRob Clark return -EINVAL; 280749e27545SRob Clark 280849e27545SRob Clark /* 280949e27545SRob Clark * Bitmask enum properties have the additional constraint of values 281049e27545SRob Clark * from 0 to 63 281149e27545SRob Clark */ 281249e27545SRob Clark if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) 2813f453ba04SDave Airlie return -EINVAL; 2814f453ba04SDave Airlie 2815f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2816f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2817f453ba04SDave Airlie if (prop_enum->value == value) { 2818f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2819f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2820f453ba04SDave Airlie return 0; 2821f453ba04SDave Airlie } 2822f453ba04SDave Airlie } 2823f453ba04SDave Airlie } 2824f453ba04SDave Airlie 2825f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 2826f453ba04SDave Airlie if (!prop_enum) 2827f453ba04SDave Airlie return -ENOMEM; 2828f453ba04SDave Airlie 2829f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2830f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2831f453ba04SDave Airlie prop_enum->value = value; 2832f453ba04SDave Airlie 2833f453ba04SDave Airlie property->values[index] = value; 2834f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2835f453ba04SDave Airlie return 0; 2836f453ba04SDave Airlie } 2837f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2838f453ba04SDave Airlie 2839f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2840f453ba04SDave Airlie { 2841f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2842f453ba04SDave Airlie 2843f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2844f453ba04SDave Airlie list_del(&prop_enum->head); 2845f453ba04SDave Airlie kfree(prop_enum); 2846f453ba04SDave Airlie } 2847f453ba04SDave Airlie 2848f453ba04SDave Airlie if (property->num_values) 2849f453ba04SDave Airlie kfree(property->values); 2850f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2851f453ba04SDave Airlie list_del(&property->head); 2852f453ba04SDave Airlie kfree(property); 2853f453ba04SDave Airlie } 2854f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2855f453ba04SDave Airlie 2856c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 2857c543188aSPaulo Zanoni struct drm_property *property, 2858c543188aSPaulo Zanoni uint64_t init_val) 2859c543188aSPaulo Zanoni { 28607f88a9beSPaulo Zanoni int count = obj->properties->count; 2861c543188aSPaulo Zanoni 28627f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 28637f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 28647f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 28657f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 28667f88a9beSPaulo Zanoni obj->type); 2867c543188aSPaulo Zanoni return; 2868c543188aSPaulo Zanoni } 2869c543188aSPaulo Zanoni 28707f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 28717f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 28727f88a9beSPaulo Zanoni obj->properties->count++; 2873c543188aSPaulo Zanoni } 2874c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 2875c543188aSPaulo Zanoni 2876c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 2877c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 2878c543188aSPaulo Zanoni { 2879c543188aSPaulo Zanoni int i; 2880c543188aSPaulo Zanoni 28817f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2882c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2883c543188aSPaulo Zanoni obj->properties->values[i] = val; 2884c543188aSPaulo Zanoni return 0; 2885c543188aSPaulo Zanoni } 2886c543188aSPaulo Zanoni } 2887c543188aSPaulo Zanoni 2888c543188aSPaulo Zanoni return -EINVAL; 2889c543188aSPaulo Zanoni } 2890c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 2891c543188aSPaulo Zanoni 2892c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 2893c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 2894c543188aSPaulo Zanoni { 2895c543188aSPaulo Zanoni int i; 2896c543188aSPaulo Zanoni 28977f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2898c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2899c543188aSPaulo Zanoni *val = obj->properties->values[i]; 2900c543188aSPaulo Zanoni return 0; 2901c543188aSPaulo Zanoni } 2902c543188aSPaulo Zanoni } 2903c543188aSPaulo Zanoni 2904c543188aSPaulo Zanoni return -EINVAL; 2905c543188aSPaulo Zanoni } 2906c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 2907c543188aSPaulo Zanoni 2908f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2909f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2910f453ba04SDave Airlie { 2911f453ba04SDave Airlie struct drm_mode_object *obj; 2912f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2913f453ba04SDave Airlie struct drm_property *property; 2914f453ba04SDave Airlie int enum_count = 0; 2915f453ba04SDave Airlie int blob_count = 0; 2916f453ba04SDave Airlie int value_count = 0; 2917f453ba04SDave Airlie int ret = 0, i; 2918f453ba04SDave Airlie int copied; 2919f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2920f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2921f453ba04SDave Airlie struct drm_property_blob *prop_blob; 292281f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 2923f453ba04SDave Airlie uint64_t __user *values_ptr; 2924f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2925f453ba04SDave Airlie 2926fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2927fb3b06c8SDave Airlie return -EINVAL; 2928fb3b06c8SDave Airlie 292984849903SDaniel Vetter drm_modeset_lock_all(dev); 2930f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2931f453ba04SDave Airlie if (!obj) { 2932f453ba04SDave Airlie ret = -EINVAL; 2933f453ba04SDave Airlie goto done; 2934f453ba04SDave Airlie } 2935f453ba04SDave Airlie property = obj_to_property(obj); 2936f453ba04SDave Airlie 293749e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2938f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2939f453ba04SDave Airlie enum_count++; 2940f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2941f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2942f453ba04SDave Airlie blob_count++; 2943f453ba04SDave Airlie } 2944f453ba04SDave Airlie 2945f453ba04SDave Airlie value_count = property->num_values; 2946f453ba04SDave Airlie 2947f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2948f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2949f453ba04SDave Airlie out_resp->flags = property->flags; 2950f453ba04SDave Airlie 2951f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 295281f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 2953f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2954f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2955f453ba04SDave Airlie ret = -EFAULT; 2956f453ba04SDave Airlie goto done; 2957f453ba04SDave Airlie } 2958f453ba04SDave Airlie } 2959f453ba04SDave Airlie } 2960f453ba04SDave Airlie out_resp->count_values = value_count; 2961f453ba04SDave Airlie 296249e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2963f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2964f453ba04SDave Airlie copied = 0; 296581f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 2966f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2967f453ba04SDave Airlie 2968f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 2969f453ba04SDave Airlie ret = -EFAULT; 2970f453ba04SDave Airlie goto done; 2971f453ba04SDave Airlie } 2972f453ba04SDave Airlie 2973f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 2974f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 2975f453ba04SDave Airlie ret = -EFAULT; 2976f453ba04SDave Airlie goto done; 2977f453ba04SDave Airlie } 2978f453ba04SDave Airlie copied++; 2979f453ba04SDave Airlie } 2980f453ba04SDave Airlie } 2981f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 2982f453ba04SDave Airlie } 2983f453ba04SDave Airlie 2984f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 2985f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2986f453ba04SDave Airlie copied = 0; 298781f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 298881f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 2989f453ba04SDave Airlie 2990f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2991f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 2992f453ba04SDave Airlie ret = -EFAULT; 2993f453ba04SDave Airlie goto done; 2994f453ba04SDave Airlie } 2995f453ba04SDave Airlie 2996f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 2997f453ba04SDave Airlie ret = -EFAULT; 2998f453ba04SDave Airlie goto done; 2999f453ba04SDave Airlie } 3000f453ba04SDave Airlie 3001f453ba04SDave Airlie copied++; 3002f453ba04SDave Airlie } 3003f453ba04SDave Airlie } 3004f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 3005f453ba04SDave Airlie } 3006f453ba04SDave Airlie done: 300784849903SDaniel Vetter drm_modeset_unlock_all(dev); 3008f453ba04SDave Airlie return ret; 3009f453ba04SDave Airlie } 3010f453ba04SDave Airlie 3011f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 3012f453ba04SDave Airlie void *data) 3013f453ba04SDave Airlie { 3014f453ba04SDave Airlie struct drm_property_blob *blob; 30156bfc56aaSVille Syrjälä int ret; 3016f453ba04SDave Airlie 3017f453ba04SDave Airlie if (!length || !data) 3018f453ba04SDave Airlie return NULL; 3019f453ba04SDave Airlie 3020f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 3021f453ba04SDave Airlie if (!blob) 3022f453ba04SDave Airlie return NULL; 3023f453ba04SDave Airlie 30246bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 30256bfc56aaSVille Syrjälä if (ret) { 30266bfc56aaSVille Syrjälä kfree(blob); 30276bfc56aaSVille Syrjälä return NULL; 30286bfc56aaSVille Syrjälä } 30296bfc56aaSVille Syrjälä 3030f453ba04SDave Airlie blob->length = length; 3031f453ba04SDave Airlie 3032f453ba04SDave Airlie memcpy(blob->data, data, length); 3033f453ba04SDave Airlie 3034f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 3035f453ba04SDave Airlie return blob; 3036f453ba04SDave Airlie } 3037f453ba04SDave Airlie 3038f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 3039f453ba04SDave Airlie struct drm_property_blob *blob) 3040f453ba04SDave Airlie { 3041f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 3042f453ba04SDave Airlie list_del(&blob->head); 3043f453ba04SDave Airlie kfree(blob); 3044f453ba04SDave Airlie } 3045f453ba04SDave Airlie 3046f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3047f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3048f453ba04SDave Airlie { 3049f453ba04SDave Airlie struct drm_mode_object *obj; 3050f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3051f453ba04SDave Airlie struct drm_property_blob *blob; 3052f453ba04SDave Airlie int ret = 0; 305381f6c7f8SVille Syrjälä void __user *blob_ptr; 3054f453ba04SDave Airlie 3055fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3056fb3b06c8SDave Airlie return -EINVAL; 3057fb3b06c8SDave Airlie 305884849903SDaniel Vetter drm_modeset_lock_all(dev); 3059f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 3060f453ba04SDave Airlie if (!obj) { 3061f453ba04SDave Airlie ret = -EINVAL; 3062f453ba04SDave Airlie goto done; 3063f453ba04SDave Airlie } 3064f453ba04SDave Airlie blob = obj_to_blob(obj); 3065f453ba04SDave Airlie 3066f453ba04SDave Airlie if (out_resp->length == blob->length) { 306781f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3068f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3069f453ba04SDave Airlie ret = -EFAULT; 3070f453ba04SDave Airlie goto done; 3071f453ba04SDave Airlie } 3072f453ba04SDave Airlie } 3073f453ba04SDave Airlie out_resp->length = blob->length; 3074f453ba04SDave Airlie 3075f453ba04SDave Airlie done: 307684849903SDaniel Vetter drm_modeset_unlock_all(dev); 3077f453ba04SDave Airlie return ret; 3078f453ba04SDave Airlie } 3079f453ba04SDave Airlie 3080f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 3081f453ba04SDave Airlie struct edid *edid) 3082f453ba04SDave Airlie { 3083f453ba04SDave Airlie struct drm_device *dev = connector->dev; 30844a1b0714SLaurent Pinchart int ret, size; 3085f453ba04SDave Airlie 3086f453ba04SDave Airlie if (connector->edid_blob_ptr) 3087f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 3088f453ba04SDave Airlie 3089f453ba04SDave Airlie /* Delete edid, when there is none. */ 3090f453ba04SDave Airlie if (!edid) { 3091f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 309258495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 3093f453ba04SDave Airlie return ret; 3094f453ba04SDave Airlie } 3095f453ba04SDave Airlie 30967466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 30977466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 30987466f4ccSAdam Jackson size, edid); 3099e655d122SSachin Kamat if (!connector->edid_blob_ptr) 3100e655d122SSachin Kamat return -EINVAL; 3101f453ba04SDave Airlie 310258495563SRob Clark ret = drm_object_property_set_value(&connector->base, 3103f453ba04SDave Airlie dev->mode_config.edid_property, 3104f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 3105f453ba04SDave Airlie 3106f453ba04SDave Airlie return ret; 3107f453ba04SDave Airlie } 3108f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 3109f453ba04SDave Airlie 311026a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 3111592c20eeSVille Syrjälä uint64_t value) 311226a34815SPaulo Zanoni { 311326a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 311426a34815SPaulo Zanoni return false; 311526a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_RANGE) { 311626a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 311726a34815SPaulo Zanoni return false; 311826a34815SPaulo Zanoni return true; 311949e27545SRob Clark } else if (property->flags & DRM_MODE_PROP_BITMASK) { 312049e27545SRob Clark int i; 3121592c20eeSVille Syrjälä uint64_t valid_mask = 0; 312249e27545SRob Clark for (i = 0; i < property->num_values; i++) 312349e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 312449e27545SRob Clark return !(value & ~valid_mask); 3125c4a56750SVille Syrjälä } else if (property->flags & DRM_MODE_PROP_BLOB) { 3126c4a56750SVille Syrjälä /* Only the driver knows */ 3127c4a56750SVille Syrjälä return true; 312826a34815SPaulo Zanoni } else { 312926a34815SPaulo Zanoni int i; 313026a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 313126a34815SPaulo Zanoni if (property->values[i] == value) 313226a34815SPaulo Zanoni return true; 313326a34815SPaulo Zanoni return false; 313426a34815SPaulo Zanoni } 313526a34815SPaulo Zanoni } 313626a34815SPaulo Zanoni 3137f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3138f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3139f453ba04SDave Airlie { 31400057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 31410057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 31420057d8ddSPaulo Zanoni .value = conn_set_prop->value, 31430057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 31440057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 31450057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 31460057d8ddSPaulo Zanoni }; 3147f453ba04SDave Airlie 31480057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 31490057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 3150f453ba04SDave Airlie } 3151f453ba04SDave Airlie 3152c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 3153c543188aSPaulo Zanoni struct drm_property *property, 3154c543188aSPaulo Zanoni uint64_t value) 3155c543188aSPaulo Zanoni { 3156c543188aSPaulo Zanoni int ret = -EINVAL; 3157c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 3158c543188aSPaulo Zanoni 3159c543188aSPaulo Zanoni /* Do DPMS ourselves */ 3160c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 3161c543188aSPaulo Zanoni if (connector->funcs->dpms) 3162c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 3163c543188aSPaulo Zanoni ret = 0; 3164c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 3165c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 3166c543188aSPaulo Zanoni 3167c543188aSPaulo Zanoni /* store the property value if successful */ 3168c543188aSPaulo Zanoni if (!ret) 316958495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 3170c543188aSPaulo Zanoni return ret; 3171c543188aSPaulo Zanoni } 3172c543188aSPaulo Zanoni 3173bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 3174bffd9de0SPaulo Zanoni struct drm_property *property, 3175bffd9de0SPaulo Zanoni uint64_t value) 3176bffd9de0SPaulo Zanoni { 3177bffd9de0SPaulo Zanoni int ret = -EINVAL; 3178bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 3179bffd9de0SPaulo Zanoni 3180bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 3181bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 3182bffd9de0SPaulo Zanoni if (!ret) 3183bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 3184bffd9de0SPaulo Zanoni 3185bffd9de0SPaulo Zanoni return ret; 3186bffd9de0SPaulo Zanoni } 3187bffd9de0SPaulo Zanoni 31884d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 31894d93914aSRob Clark struct drm_property *property, 31904d93914aSRob Clark uint64_t value) 31914d93914aSRob Clark { 31924d93914aSRob Clark int ret = -EINVAL; 31934d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 31944d93914aSRob Clark 31954d93914aSRob Clark if (plane->funcs->set_property) 31964d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 31974d93914aSRob Clark if (!ret) 31984d93914aSRob Clark drm_object_property_set_value(obj, property, value); 31994d93914aSRob Clark 32004d93914aSRob Clark return ret; 32014d93914aSRob Clark } 32024d93914aSRob Clark 3203c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 3204c543188aSPaulo Zanoni struct drm_file *file_priv) 3205c543188aSPaulo Zanoni { 3206c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 3207c543188aSPaulo Zanoni struct drm_mode_object *obj; 3208c543188aSPaulo Zanoni int ret = 0; 3209c543188aSPaulo Zanoni int i; 3210c543188aSPaulo Zanoni int copied = 0; 3211c543188aSPaulo Zanoni int props_count = 0; 3212c543188aSPaulo Zanoni uint32_t __user *props_ptr; 3213c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 3214c543188aSPaulo Zanoni 3215c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3216c543188aSPaulo Zanoni return -EINVAL; 3217c543188aSPaulo Zanoni 321884849903SDaniel Vetter drm_modeset_lock_all(dev); 3219c543188aSPaulo Zanoni 3220c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3221c543188aSPaulo Zanoni if (!obj) { 3222c543188aSPaulo Zanoni ret = -EINVAL; 3223c543188aSPaulo Zanoni goto out; 3224c543188aSPaulo Zanoni } 3225c543188aSPaulo Zanoni if (!obj->properties) { 3226c543188aSPaulo Zanoni ret = -EINVAL; 3227c543188aSPaulo Zanoni goto out; 3228c543188aSPaulo Zanoni } 3229c543188aSPaulo Zanoni 32307f88a9beSPaulo Zanoni props_count = obj->properties->count; 3231c543188aSPaulo Zanoni 3232c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 3233c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 3234c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 3235c543188aSPaulo Zanoni copied = 0; 3236c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 3237c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 3238c543188aSPaulo Zanoni (arg->prop_values_ptr); 3239c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 3240c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 3241c543188aSPaulo Zanoni props_ptr + copied)) { 3242c543188aSPaulo Zanoni ret = -EFAULT; 3243c543188aSPaulo Zanoni goto out; 3244c543188aSPaulo Zanoni } 3245c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 3246c543188aSPaulo Zanoni prop_values_ptr + copied)) { 3247c543188aSPaulo Zanoni ret = -EFAULT; 3248c543188aSPaulo Zanoni goto out; 3249c543188aSPaulo Zanoni } 3250c543188aSPaulo Zanoni copied++; 3251c543188aSPaulo Zanoni } 3252c543188aSPaulo Zanoni } 3253c543188aSPaulo Zanoni arg->count_props = props_count; 3254c543188aSPaulo Zanoni out: 325584849903SDaniel Vetter drm_modeset_unlock_all(dev); 3256c543188aSPaulo Zanoni return ret; 3257c543188aSPaulo Zanoni } 3258c543188aSPaulo Zanoni 3259c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 3260c543188aSPaulo Zanoni struct drm_file *file_priv) 3261c543188aSPaulo Zanoni { 3262c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 3263c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 3264c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 3265c543188aSPaulo Zanoni struct drm_property *property; 3266c543188aSPaulo Zanoni int ret = -EINVAL; 3267c543188aSPaulo Zanoni int i; 3268c543188aSPaulo Zanoni 3269c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3270c543188aSPaulo Zanoni return -EINVAL; 3271c543188aSPaulo Zanoni 327284849903SDaniel Vetter drm_modeset_lock_all(dev); 3273c543188aSPaulo Zanoni 3274c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3275c543188aSPaulo Zanoni if (!arg_obj) 3276c543188aSPaulo Zanoni goto out; 3277c543188aSPaulo Zanoni if (!arg_obj->properties) 3278c543188aSPaulo Zanoni goto out; 3279c543188aSPaulo Zanoni 32807f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 3281c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 3282c543188aSPaulo Zanoni break; 3283c543188aSPaulo Zanoni 32847f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 3285c543188aSPaulo Zanoni goto out; 3286c543188aSPaulo Zanoni 3287c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 3288c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 3289c543188aSPaulo Zanoni if (!prop_obj) 3290c543188aSPaulo Zanoni goto out; 3291c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 3292c543188aSPaulo Zanoni 3293c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 3294c543188aSPaulo Zanoni goto out; 3295c543188aSPaulo Zanoni 3296c543188aSPaulo Zanoni switch (arg_obj->type) { 3297c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 3298c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 3299c543188aSPaulo Zanoni arg->value); 3300c543188aSPaulo Zanoni break; 3301bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 3302bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 3303bffd9de0SPaulo Zanoni break; 33044d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 33054d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 33064d93914aSRob Clark break; 3307c543188aSPaulo Zanoni } 3308c543188aSPaulo Zanoni 3309c543188aSPaulo Zanoni out: 331084849903SDaniel Vetter drm_modeset_unlock_all(dev); 3311c543188aSPaulo Zanoni return ret; 3312c543188aSPaulo Zanoni } 3313c543188aSPaulo Zanoni 3314f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3315f453ba04SDave Airlie struct drm_encoder *encoder) 3316f453ba04SDave Airlie { 3317f453ba04SDave Airlie int i; 3318f453ba04SDave Airlie 3319f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3320f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 3321f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 3322f453ba04SDave Airlie return 0; 3323f453ba04SDave Airlie } 3324f453ba04SDave Airlie } 3325f453ba04SDave Airlie return -ENOMEM; 3326f453ba04SDave Airlie } 3327f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 3328f453ba04SDave Airlie 3329f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3330f453ba04SDave Airlie struct drm_encoder *encoder) 3331f453ba04SDave Airlie { 3332f453ba04SDave Airlie int i; 3333f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3334f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 3335f453ba04SDave Airlie connector->encoder_ids[i] = 0; 3336f453ba04SDave Airlie if (connector->encoder == encoder) 3337f453ba04SDave Airlie connector->encoder = NULL; 3338f453ba04SDave Airlie break; 3339f453ba04SDave Airlie } 3340f453ba04SDave Airlie } 3341f453ba04SDave Airlie } 3342f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 3343f453ba04SDave Airlie 33444cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3345f453ba04SDave Airlie int gamma_size) 3346f453ba04SDave Airlie { 3347f453ba04SDave Airlie crtc->gamma_size = gamma_size; 3348f453ba04SDave Airlie 3349f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 3350f453ba04SDave Airlie if (!crtc->gamma_store) { 3351f453ba04SDave Airlie crtc->gamma_size = 0; 33524cae5b84SSascha Hauer return -ENOMEM; 3353f453ba04SDave Airlie } 3354f453ba04SDave Airlie 33554cae5b84SSascha Hauer return 0; 3356f453ba04SDave Airlie } 3357f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 3358f453ba04SDave Airlie 3359f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3360f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3361f453ba04SDave Airlie { 3362f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3363f453ba04SDave Airlie struct drm_mode_object *obj; 3364f453ba04SDave Airlie struct drm_crtc *crtc; 3365f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3366f453ba04SDave Airlie int size; 3367f453ba04SDave Airlie int ret = 0; 3368f453ba04SDave Airlie 3369fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3370fb3b06c8SDave Airlie return -EINVAL; 3371fb3b06c8SDave Airlie 337284849903SDaniel Vetter drm_modeset_lock_all(dev); 3373f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3374f453ba04SDave Airlie if (!obj) { 3375f453ba04SDave Airlie ret = -EINVAL; 3376f453ba04SDave Airlie goto out; 3377f453ba04SDave Airlie } 3378f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3379f453ba04SDave Airlie 3380ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 3381ebe0f244SLaurent Pinchart ret = -ENOSYS; 3382ebe0f244SLaurent Pinchart goto out; 3383ebe0f244SLaurent Pinchart } 3384ebe0f244SLaurent Pinchart 3385f453ba04SDave Airlie /* memcpy into gamma store */ 3386f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3387f453ba04SDave Airlie ret = -EINVAL; 3388f453ba04SDave Airlie goto out; 3389f453ba04SDave Airlie } 3390f453ba04SDave Airlie 3391f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3392f453ba04SDave Airlie r_base = crtc->gamma_store; 3393f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 3394f453ba04SDave Airlie ret = -EFAULT; 3395f453ba04SDave Airlie goto out; 3396f453ba04SDave Airlie } 3397f453ba04SDave Airlie 3398f453ba04SDave Airlie g_base = r_base + size; 3399f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 3400f453ba04SDave Airlie ret = -EFAULT; 3401f453ba04SDave Airlie goto out; 3402f453ba04SDave Airlie } 3403f453ba04SDave Airlie 3404f453ba04SDave Airlie b_base = g_base + size; 3405f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 3406f453ba04SDave Airlie ret = -EFAULT; 3407f453ba04SDave Airlie goto out; 3408f453ba04SDave Airlie } 3409f453ba04SDave Airlie 34107203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3411f453ba04SDave Airlie 3412f453ba04SDave Airlie out: 341384849903SDaniel Vetter drm_modeset_unlock_all(dev); 3414f453ba04SDave Airlie return ret; 3415f453ba04SDave Airlie 3416f453ba04SDave Airlie } 3417f453ba04SDave Airlie 3418f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3419f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3420f453ba04SDave Airlie { 3421f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3422f453ba04SDave Airlie struct drm_mode_object *obj; 3423f453ba04SDave Airlie struct drm_crtc *crtc; 3424f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3425f453ba04SDave Airlie int size; 3426f453ba04SDave Airlie int ret = 0; 3427f453ba04SDave Airlie 3428fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3429fb3b06c8SDave Airlie return -EINVAL; 3430fb3b06c8SDave Airlie 343184849903SDaniel Vetter drm_modeset_lock_all(dev); 3432f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3433f453ba04SDave Airlie if (!obj) { 3434f453ba04SDave Airlie ret = -EINVAL; 3435f453ba04SDave Airlie goto out; 3436f453ba04SDave Airlie } 3437f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3438f453ba04SDave Airlie 3439f453ba04SDave Airlie /* memcpy into gamma store */ 3440f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3441f453ba04SDave Airlie ret = -EINVAL; 3442f453ba04SDave Airlie goto out; 3443f453ba04SDave Airlie } 3444f453ba04SDave Airlie 3445f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3446f453ba04SDave Airlie r_base = crtc->gamma_store; 3447f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 3448f453ba04SDave Airlie ret = -EFAULT; 3449f453ba04SDave Airlie goto out; 3450f453ba04SDave Airlie } 3451f453ba04SDave Airlie 3452f453ba04SDave Airlie g_base = r_base + size; 3453f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 3454f453ba04SDave Airlie ret = -EFAULT; 3455f453ba04SDave Airlie goto out; 3456f453ba04SDave Airlie } 3457f453ba04SDave Airlie 3458f453ba04SDave Airlie b_base = g_base + size; 3459f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 3460f453ba04SDave Airlie ret = -EFAULT; 3461f453ba04SDave Airlie goto out; 3462f453ba04SDave Airlie } 3463f453ba04SDave Airlie out: 346484849903SDaniel Vetter drm_modeset_unlock_all(dev); 3465f453ba04SDave Airlie return ret; 3466f453ba04SDave Airlie } 3467d91d8a3fSKristian Høgsberg 3468d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 3469d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 3470d91d8a3fSKristian Høgsberg { 3471d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 3472d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 3473d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 3474b0d12325SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 3475d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 3476d91d8a3fSKristian Høgsberg unsigned long flags; 34777c80e128SRob Clark int hdisplay, vdisplay; 3478d91d8a3fSKristian Høgsberg int ret = -EINVAL; 3479d91d8a3fSKristian Høgsberg 3480d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3481d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 3482d91d8a3fSKristian Høgsberg return -EINVAL; 3483d91d8a3fSKristian Høgsberg 3484d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3485d91d8a3fSKristian Høgsberg if (!obj) 3486b4d5e7d1SDaniel Vetter return -EINVAL; 3487d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 3488d91d8a3fSKristian Høgsberg 3489b4d5e7d1SDaniel Vetter mutex_lock(&crtc->mutex); 349090c1efddSChris Wilson if (crtc->fb == NULL) { 349190c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 349290c1efddSChris Wilson * due to a hotplug event, that userspace has not 349390c1efddSChris Wilson * yet discovered. 349490c1efddSChris Wilson */ 349590c1efddSChris Wilson ret = -EBUSY; 349690c1efddSChris Wilson goto out; 349790c1efddSChris Wilson } 349890c1efddSChris Wilson 3499d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 3500d91d8a3fSKristian Høgsberg goto out; 3501d91d8a3fSKristian Høgsberg 3502786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 3503786b99edSDaniel Vetter if (!fb) 3504d91d8a3fSKristian Høgsberg goto out; 3505d91d8a3fSKristian Høgsberg 35067c80e128SRob Clark hdisplay = crtc->mode.hdisplay; 35077c80e128SRob Clark vdisplay = crtc->mode.vdisplay; 35087c80e128SRob Clark 35097c80e128SRob Clark if (crtc->invert_dimensions) 35107c80e128SRob Clark swap(hdisplay, vdisplay); 35117c80e128SRob Clark 35127c80e128SRob Clark if (hdisplay > fb->width || 35137c80e128SRob Clark vdisplay > fb->height || 35147c80e128SRob Clark crtc->x > fb->width - hdisplay || 35157c80e128SRob Clark crtc->y > fb->height - vdisplay) { 35167c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 35177c80e128SRob Clark fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, 35187c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 35195f61bb42SVille Syrjälä ret = -ENOSPC; 35205f61bb42SVille Syrjälä goto out; 35215f61bb42SVille Syrjälä } 35225f61bb42SVille Syrjälä 3523909d9cdaSLaurent Pinchart if (crtc->fb->pixel_format != fb->pixel_format) { 3524909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 3525909d9cdaSLaurent Pinchart ret = -EINVAL; 3526909d9cdaSLaurent Pinchart goto out; 3527909d9cdaSLaurent Pinchart } 3528909d9cdaSLaurent Pinchart 3529d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3530d91d8a3fSKristian Høgsberg ret = -ENOMEM; 3531d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3532d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 3533d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3534d91d8a3fSKristian Høgsberg goto out; 3535d91d8a3fSKristian Høgsberg } 3536d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 3537d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3538d91d8a3fSKristian Høgsberg 3539d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 3540d91d8a3fSKristian Høgsberg if (e == NULL) { 3541d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3542d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3543d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3544d91d8a3fSKristian Høgsberg goto out; 3545d91d8a3fSKristian Høgsberg } 3546d91d8a3fSKristian Høgsberg 35477bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3548d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 3549d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 3550d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 3551d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 3552d91d8a3fSKristian Høgsberg e->base.destroy = 3553d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 3554d91d8a3fSKristian Høgsberg } 3555d91d8a3fSKristian Høgsberg 3556b0d12325SDaniel Vetter old_fb = crtc->fb; 3557d91d8a3fSKristian Høgsberg ret = crtc->funcs->page_flip(crtc, fb, e); 3558d91d8a3fSKristian Høgsberg if (ret) { 3559aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3560d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3561d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3562d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3563d91d8a3fSKristian Høgsberg kfree(e); 3564d91d8a3fSKristian Høgsberg } 3565b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 3566b0d12325SDaniel Vetter old_fb = NULL; 3567b0d12325SDaniel Vetter } else { 35688cf1e981SThierry Reding /* 35698cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 35708cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 35718cf1e981SThierry Reding * Failing to do so will screw with the reference counting 35728cf1e981SThierry Reding * on framebuffers. 35738cf1e981SThierry Reding */ 35748cf1e981SThierry Reding WARN_ON(crtc->fb != fb); 3575b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 3576b0d12325SDaniel Vetter fb = NULL; 3577aef6a7eeSJoonyoung Shim } 3578d91d8a3fSKristian Høgsberg 3579d91d8a3fSKristian Høgsberg out: 3580b0d12325SDaniel Vetter if (fb) 3581b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 3582b0d12325SDaniel Vetter if (old_fb) 3583b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 3584b4d5e7d1SDaniel Vetter mutex_unlock(&crtc->mutex); 3585b4d5e7d1SDaniel Vetter 3586d91d8a3fSKristian Høgsberg return ret; 3587d91d8a3fSKristian Høgsberg } 3588eb033556SChris Wilson 3589eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 3590eb033556SChris Wilson { 3591eb033556SChris Wilson struct drm_crtc *crtc; 3592eb033556SChris Wilson struct drm_encoder *encoder; 3593eb033556SChris Wilson struct drm_connector *connector; 3594eb033556SChris Wilson 3595eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3596eb033556SChris Wilson if (crtc->funcs->reset) 3597eb033556SChris Wilson crtc->funcs->reset(crtc); 3598eb033556SChris Wilson 3599eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3600eb033556SChris Wilson if (encoder->funcs->reset) 3601eb033556SChris Wilson encoder->funcs->reset(encoder); 3602eb033556SChris Wilson 36035e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 36045e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 36055e2cb2f6SDaniel Vetter 3606eb033556SChris Wilson if (connector->funcs->reset) 3607eb033556SChris Wilson connector->funcs->reset(connector); 3608eb033556SChris Wilson } 36095e2cb2f6SDaniel Vetter } 3610eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 3611ff72145bSDave Airlie 3612ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3613ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3614ff72145bSDave Airlie { 3615ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 3616ff72145bSDave Airlie 3617ff72145bSDave Airlie if (!dev->driver->dumb_create) 3618ff72145bSDave Airlie return -ENOSYS; 3619ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 3620ff72145bSDave Airlie } 3621ff72145bSDave Airlie 3622ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3623ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3624ff72145bSDave Airlie { 3625ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 3626ff72145bSDave Airlie 3627ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 3628ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 3629ff72145bSDave Airlie return -ENOSYS; 3630ff72145bSDave Airlie 3631ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3632ff72145bSDave Airlie } 3633ff72145bSDave Airlie 3634ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3635ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3636ff72145bSDave Airlie { 3637ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 3638ff72145bSDave Airlie 3639ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 3640ff72145bSDave Airlie return -ENOSYS; 3641ff72145bSDave Airlie 3642ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3643ff72145bSDave Airlie } 3644248dbc23SDave Airlie 3645248dbc23SDave Airlie /* 3646248dbc23SDave Airlie * Just need to support RGB formats here for compat with code that doesn't 3647248dbc23SDave Airlie * use pixel formats directly yet. 3648248dbc23SDave Airlie */ 3649248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3650248dbc23SDave Airlie int *bpp) 3651248dbc23SDave Airlie { 3652248dbc23SDave Airlie switch (format) { 3653c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 365404b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 365504b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 3656248dbc23SDave Airlie *depth = 8; 3657248dbc23SDave Airlie *bpp = 8; 3658248dbc23SDave Airlie break; 365904b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 366004b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 366104b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 366204b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 366304b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 366404b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 366504b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 366604b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 3667248dbc23SDave Airlie *depth = 15; 3668248dbc23SDave Airlie *bpp = 16; 3669248dbc23SDave Airlie break; 367004b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 367104b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 3672248dbc23SDave Airlie *depth = 16; 3673248dbc23SDave Airlie *bpp = 16; 3674248dbc23SDave Airlie break; 367504b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 367604b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 367704b3924dSVille Syrjälä *depth = 24; 367804b3924dSVille Syrjälä *bpp = 24; 367904b3924dSVille Syrjälä break; 368004b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 368104b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 368204b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 368304b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 3684248dbc23SDave Airlie *depth = 24; 3685248dbc23SDave Airlie *bpp = 32; 3686248dbc23SDave Airlie break; 368704b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 368804b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 368904b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 369004b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 369104b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 369204b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 369304b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 369404b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 3695248dbc23SDave Airlie *depth = 30; 3696248dbc23SDave Airlie *bpp = 32; 3697248dbc23SDave Airlie break; 369804b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 369904b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 370004b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 370104b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 3702248dbc23SDave Airlie *depth = 32; 3703248dbc23SDave Airlie *bpp = 32; 3704248dbc23SDave Airlie break; 3705248dbc23SDave Airlie default: 3706248dbc23SDave Airlie DRM_DEBUG_KMS("unsupported pixel format\n"); 3707248dbc23SDave Airlie *depth = 0; 3708248dbc23SDave Airlie *bpp = 0; 3709248dbc23SDave Airlie break; 3710248dbc23SDave Airlie } 3711248dbc23SDave Airlie } 3712248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 3713141670e9SVille Syrjälä 3714141670e9SVille Syrjälä /** 3715141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 3716141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 3717141670e9SVille Syrjälä * 3718141670e9SVille Syrjälä * RETURNS: 3719141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 3720141670e9SVille Syrjälä */ 3721141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 3722141670e9SVille Syrjälä { 3723141670e9SVille Syrjälä switch (format) { 3724141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 3725141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 3726141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 3727141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 3728141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 3729141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 3730141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 3731141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 3732141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 3733141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 3734141670e9SVille Syrjälä return 3; 3735141670e9SVille Syrjälä case DRM_FORMAT_NV12: 3736141670e9SVille Syrjälä case DRM_FORMAT_NV21: 3737141670e9SVille Syrjälä case DRM_FORMAT_NV16: 3738141670e9SVille Syrjälä case DRM_FORMAT_NV61: 3739ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3740ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3741141670e9SVille Syrjälä return 2; 3742141670e9SVille Syrjälä default: 3743141670e9SVille Syrjälä return 1; 3744141670e9SVille Syrjälä } 3745141670e9SVille Syrjälä } 3746141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 37475a86bd55SVille Syrjälä 37485a86bd55SVille Syrjälä /** 37495a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 37505a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 37515a86bd55SVille Syrjälä * @plane: plane index 37525a86bd55SVille Syrjälä * 37535a86bd55SVille Syrjälä * RETURNS: 37545a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 37555a86bd55SVille Syrjälä */ 37565a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 37575a86bd55SVille Syrjälä { 37585a86bd55SVille Syrjälä unsigned int depth; 37595a86bd55SVille Syrjälä int bpp; 37605a86bd55SVille Syrjälä 37615a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 37625a86bd55SVille Syrjälä return 0; 37635a86bd55SVille Syrjälä 37645a86bd55SVille Syrjälä switch (format) { 37655a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 37665a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 37675a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 37685a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 37695a86bd55SVille Syrjälä return 2; 37705a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 37715a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 37725a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 37735a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 3774ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3775ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 37765a86bd55SVille Syrjälä return plane ? 2 : 1; 37775a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 37785a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 37795a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 37805a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 37815a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 37825a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 37835a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 37845a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 37855a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 37865a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 37875a86bd55SVille Syrjälä return 1; 37885a86bd55SVille Syrjälä default: 37895a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 37905a86bd55SVille Syrjälä return bpp >> 3; 37915a86bd55SVille Syrjälä } 37925a86bd55SVille Syrjälä } 37935a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 379401b68b04SVille Syrjälä 379501b68b04SVille Syrjälä /** 379601b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 379701b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 379801b68b04SVille Syrjälä * 379901b68b04SVille Syrjälä * RETURNS: 380001b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 380101b68b04SVille Syrjälä * specified pixel format. 380201b68b04SVille Syrjälä */ 380301b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 380401b68b04SVille Syrjälä { 380501b68b04SVille Syrjälä switch (format) { 380601b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 380701b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 380801b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 380901b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 381001b68b04SVille Syrjälä return 4; 381101b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 381201b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 381301b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 381401b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 381501b68b04SVille Syrjälä case DRM_FORMAT_NV12: 381601b68b04SVille Syrjälä case DRM_FORMAT_NV21: 381701b68b04SVille Syrjälä case DRM_FORMAT_NV16: 381801b68b04SVille Syrjälä case DRM_FORMAT_NV61: 381901b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 382001b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 382101b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 382201b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 382301b68b04SVille Syrjälä return 2; 382401b68b04SVille Syrjälä default: 382501b68b04SVille Syrjälä return 1; 382601b68b04SVille Syrjälä } 382701b68b04SVille Syrjälä } 382801b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 382901b68b04SVille Syrjälä 383001b68b04SVille Syrjälä /** 383101b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 383201b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 383301b68b04SVille Syrjälä * 383401b68b04SVille Syrjälä * RETURNS: 383501b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 383601b68b04SVille Syrjälä * specified pixel format. 383701b68b04SVille Syrjälä */ 383801b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 383901b68b04SVille Syrjälä { 384001b68b04SVille Syrjälä switch (format) { 384101b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 384201b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 384301b68b04SVille Syrjälä return 4; 384401b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 384501b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 384601b68b04SVille Syrjälä case DRM_FORMAT_NV12: 384701b68b04SVille Syrjälä case DRM_FORMAT_NV21: 384801b68b04SVille Syrjälä return 2; 384901b68b04SVille Syrjälä default: 385001b68b04SVille Syrjälä return 1; 385101b68b04SVille Syrjälä } 385201b68b04SVille Syrjälä } 385301b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 385487d24fc3SLaurent Pinchart 385587d24fc3SLaurent Pinchart /** 385687d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 385787d24fc3SLaurent Pinchart * @dev: DRM device 385887d24fc3SLaurent Pinchart * 385987d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 386087d24fc3SLaurent Pinchart * configuration of @dev. 386187d24fc3SLaurent Pinchart * 386287d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 386387d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 386487d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 386587d24fc3SLaurent Pinchart * 386687d24fc3SLaurent Pinchart */ 386787d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 386887d24fc3SLaurent Pinchart { 386987d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 387087d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 387187d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 387287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 387387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 387487d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 387587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 387687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 387787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 387887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 387987d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 388087d24fc3SLaurent Pinchart 388187d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 388287d24fc3SLaurent Pinchart drm_mode_create_standard_connector_properties(dev); 388387d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 388487d24fc3SLaurent Pinchart 388587d24fc3SLaurent Pinchart /* Just to be sure */ 388687d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 388787d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 388887d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 388987d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 389087d24fc3SLaurent Pinchart } 389187d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 389287d24fc3SLaurent Pinchart 389387d24fc3SLaurent Pinchart /** 389487d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 389587d24fc3SLaurent Pinchart * @dev: DRM device 389687d24fc3SLaurent Pinchart * 389787d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 389887d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 389987d24fc3SLaurent Pinchart * 390087d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 390187d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 390287d24fc3SLaurent Pinchart * this guarantee actually holds true. 390387d24fc3SLaurent Pinchart * 390487d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 390587d24fc3SLaurent Pinchart */ 390687d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 390787d24fc3SLaurent Pinchart { 390887d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 390987d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 391087d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 391187d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 391287d24fc3SLaurent Pinchart struct drm_property *property, *pt; 391387d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 391487d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 391587d24fc3SLaurent Pinchart 391687d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 391787d24fc3SLaurent Pinchart head) { 391887d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 391987d24fc3SLaurent Pinchart } 392087d24fc3SLaurent Pinchart 392187d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 392287d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 392387d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 392487d24fc3SLaurent Pinchart } 392587d24fc3SLaurent Pinchart 392687d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 392787d24fc3SLaurent Pinchart head) { 392887d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 392987d24fc3SLaurent Pinchart } 393087d24fc3SLaurent Pinchart 393187d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 393287d24fc3SLaurent Pinchart head) { 393387d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 393487d24fc3SLaurent Pinchart } 393587d24fc3SLaurent Pinchart 393687d24fc3SLaurent Pinchart /* 393787d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 393887d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 393987d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 394087d24fc3SLaurent Pinchart * 394187d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 394287d24fc3SLaurent Pinchart * so politely WARN about this. 394387d24fc3SLaurent Pinchart */ 394487d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 394587d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 394687d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 394787d24fc3SLaurent Pinchart } 394887d24fc3SLaurent Pinchart 394987d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 395087d24fc3SLaurent Pinchart head) { 395187d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 395287d24fc3SLaurent Pinchart } 395387d24fc3SLaurent Pinchart 395487d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 395587d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 395687d24fc3SLaurent Pinchart } 395787d24fc3SLaurent Pinchart 395887d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 395987d24fc3SLaurent Pinchart } 396087d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 3961