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 */ 32f453ba04SDave Airlie #include <linux/list.h> 335a0e3ad6STejun Heo #include <linux/slab.h> 342d1a8a48SPaul Gortmaker #include <linux/export.h> 35760285e7SDavid Howells #include <drm/drmP.h> 36760285e7SDavid Howells #include <drm/drm_crtc.h> 37760285e7SDavid Howells #include <drm/drm_edid.h> 38760285e7SDavid Howells #include <drm/drm_fourcc.h> 39f453ba04SDave Airlie 4084849903SDaniel Vetter /** 4184849903SDaniel Vetter * drm_modeset_lock_all - take all modeset locks 4284849903SDaniel Vetter * @dev: drm device 4384849903SDaniel Vetter * 4484849903SDaniel Vetter * This function takes all modeset locks, suitable where a more fine-grained 4584849903SDaniel Vetter * scheme isn't (yet) implemented. 4684849903SDaniel Vetter */ 4784849903SDaniel Vetter void drm_modeset_lock_all(struct drm_device *dev) 4884849903SDaniel Vetter { 4929494c17SDaniel Vetter struct drm_crtc *crtc; 5029494c17SDaniel Vetter 5184849903SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 5229494c17SDaniel Vetter 5329494c17SDaniel Vetter list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 5429494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 5584849903SDaniel Vetter } 5684849903SDaniel Vetter EXPORT_SYMBOL(drm_modeset_lock_all); 5784849903SDaniel Vetter 5884849903SDaniel Vetter /** 5984849903SDaniel Vetter * drm_modeset_unlock_all - drop all modeset locks 6084849903SDaniel Vetter * @dev: device 6184849903SDaniel Vetter */ 6284849903SDaniel Vetter void drm_modeset_unlock_all(struct drm_device *dev) 6384849903SDaniel Vetter { 6429494c17SDaniel Vetter struct drm_crtc *crtc; 6529494c17SDaniel Vetter 6629494c17SDaniel Vetter list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 6729494c17SDaniel Vetter mutex_unlock(&crtc->mutex); 6829494c17SDaniel Vetter 6984849903SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 7084849903SDaniel Vetter } 7184849903SDaniel Vetter EXPORT_SYMBOL(drm_modeset_unlock_all); 7284849903SDaniel Vetter 736aed8ec3SDaniel Vetter /** 746aed8ec3SDaniel Vetter * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked 756aed8ec3SDaniel Vetter * @dev: device 766aed8ec3SDaniel Vetter */ 776aed8ec3SDaniel Vetter void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) 786aed8ec3SDaniel Vetter { 796aed8ec3SDaniel Vetter struct drm_crtc *crtc; 806aed8ec3SDaniel Vetter 81a9b054e8SDaniel Vetter /* Locking is currently fubar in the panic handler. */ 82a9b054e8SDaniel Vetter if (oops_in_progress) 83a9b054e8SDaniel Vetter return; 84a9b054e8SDaniel Vetter 856aed8ec3SDaniel Vetter list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 866aed8ec3SDaniel Vetter WARN_ON(!mutex_is_locked(&crtc->mutex)); 876aed8ec3SDaniel Vetter 886aed8ec3SDaniel Vetter WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); 896aed8ec3SDaniel Vetter } 906aed8ec3SDaniel Vetter EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); 916aed8ec3SDaniel Vetter 92f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 93f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 94f453ba04SDave Airlie char *fnname(int val) \ 95f453ba04SDave Airlie { \ 96f453ba04SDave Airlie int i; \ 97f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 98f453ba04SDave Airlie if (list[i].type == val) \ 99f453ba04SDave Airlie return list[i].name; \ 100f453ba04SDave Airlie } \ 101f453ba04SDave Airlie return "(unknown)"; \ 102f453ba04SDave Airlie } 103f453ba04SDave Airlie 104f453ba04SDave Airlie /* 105f453ba04SDave Airlie * Global properties 106f453ba04SDave Airlie */ 107f453ba04SDave Airlie static struct drm_prop_enum_list drm_dpms_enum_list[] = 108f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 109f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 110f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 111f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 112f453ba04SDave Airlie }; 113f453ba04SDave Airlie 114f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 115f453ba04SDave Airlie 116f453ba04SDave Airlie /* 117f453ba04SDave Airlie * Optional properties 118f453ba04SDave Airlie */ 119f453ba04SDave Airlie static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 120f453ba04SDave Airlie { 12153bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 12253bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 12353bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 12453bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 125f453ba04SDave Airlie }; 126f453ba04SDave Airlie 127f453ba04SDave Airlie static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 128f453ba04SDave Airlie { 129f453ba04SDave Airlie { DRM_MODE_DITHERING_OFF, "Off" }, 130f453ba04SDave Airlie { DRM_MODE_DITHERING_ON, "On" }, 13192897b5cSBen Skeggs { DRM_MODE_DITHERING_AUTO, "Automatic" }, 132f453ba04SDave Airlie }; 133f453ba04SDave Airlie 134f453ba04SDave Airlie /* 135f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 136f453ba04SDave Airlie */ 137f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 138f453ba04SDave Airlie { 139f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 140f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 141f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 142f453ba04SDave Airlie }; 143f453ba04SDave Airlie 144f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 145f453ba04SDave Airlie 146f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 147f453ba04SDave Airlie { 148f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 149f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 150f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 151f453ba04SDave Airlie }; 152f453ba04SDave Airlie 153f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 154f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 155f453ba04SDave Airlie 156f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_select_enum_list[] = 157f453ba04SDave Airlie { 158f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 159f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 160f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 161f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 162aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 163f453ba04SDave Airlie }; 164f453ba04SDave Airlie 165f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 166f453ba04SDave Airlie 167f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 168f453ba04SDave Airlie { 169f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 170f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 171f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 172f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 173aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 174f453ba04SDave Airlie }; 175f453ba04SDave Airlie 176f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 177f453ba04SDave Airlie drm_tv_subconnector_enum_list) 178f453ba04SDave Airlie 179884840aaSJakob Bornecrantz static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 180884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 181884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 182884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 183884840aaSJakob Bornecrantz }; 184884840aaSJakob Bornecrantz 185f453ba04SDave Airlie struct drm_conn_prop_enum_list { 186f453ba04SDave Airlie int type; 187f453ba04SDave Airlie char *name; 188f453ba04SDave Airlie int count; 189f453ba04SDave Airlie }; 190f453ba04SDave Airlie 191f453ba04SDave Airlie /* 192f453ba04SDave Airlie * Connector and encoder types. 193f453ba04SDave Airlie */ 194f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 195f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 196f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 197f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 198f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 199f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 200f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 201f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 202f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 203f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 204e76116caSAlex Deucher { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, 205e76116caSAlex Deucher { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, 206e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, 207e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, 20874bd3c26SFrancisco Jerez { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 209e76116caSAlex Deucher { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, 210a7331e5cSThomas Hellstrom { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, 211f453ba04SDave Airlie }; 212f453ba04SDave Airlie 213f453ba04SDave Airlie static struct drm_prop_enum_list drm_encoder_enum_list[] = 214f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 215f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 216f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 217f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 218f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 219a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 220f453ba04SDave Airlie }; 221f453ba04SDave Airlie 222f453ba04SDave Airlie char *drm_get_encoder_name(struct drm_encoder *encoder) 223f453ba04SDave Airlie { 224f453ba04SDave Airlie static char buf[32]; 225f453ba04SDave Airlie 226f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 227f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 228f453ba04SDave Airlie encoder->base.id); 229f453ba04SDave Airlie return buf; 230f453ba04SDave Airlie } 23113a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 232f453ba04SDave Airlie 233f453ba04SDave Airlie char *drm_get_connector_name(struct drm_connector *connector) 234f453ba04SDave Airlie { 235f453ba04SDave Airlie static char buf[32]; 236f453ba04SDave Airlie 237f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 238f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 239f453ba04SDave Airlie connector->connector_type_id); 240f453ba04SDave Airlie return buf; 241f453ba04SDave Airlie } 242f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 243f453ba04SDave Airlie 244f453ba04SDave Airlie char *drm_get_connector_status_name(enum drm_connector_status status) 245f453ba04SDave Airlie { 246f453ba04SDave Airlie if (status == connector_status_connected) 247f453ba04SDave Airlie return "connected"; 248f453ba04SDave Airlie else if (status == connector_status_disconnected) 249f453ba04SDave Airlie return "disconnected"; 250f453ba04SDave Airlie else 251f453ba04SDave Airlie return "unknown"; 252f453ba04SDave Airlie } 253ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 254f453ba04SDave Airlie 255f453ba04SDave Airlie /** 256065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 257f453ba04SDave Airlie * @dev: DRM device 258065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 259065a50edSDaniel Vetter * @obj_type: object type 260f453ba04SDave Airlie * 261f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 262f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 263f453ba04SDave Airlie * 264f453ba04SDave Airlie * RETURNS: 265f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 266f453ba04SDave Airlie * object. 267f453ba04SDave Airlie */ 268f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 269f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 270f453ba04SDave Airlie { 271f453ba04SDave Airlie int ret; 272f453ba04SDave Airlie 273ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 2742e928815STejun Heo ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); 2752e928815STejun Heo if (ret >= 0) { 2764b096ac1SDaniel Vetter /* 2774b096ac1SDaniel Vetter * Set up the object linking under the protection of the idr 2784b096ac1SDaniel Vetter * lock so that other users can't see inconsistent state. 2794b096ac1SDaniel Vetter */ 2802e928815STejun Heo obj->id = ret; 281f453ba04SDave Airlie obj->type = obj_type; 2824b096ac1SDaniel Vetter } 2834b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 2844b096ac1SDaniel Vetter 2852e928815STejun Heo return ret < 0 ? ret : 0; 286f453ba04SDave Airlie } 287f453ba04SDave Airlie 288f453ba04SDave Airlie /** 289065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 290f453ba04SDave Airlie * @dev: DRM device 291065a50edSDaniel Vetter * @object: object to free 292f453ba04SDave Airlie * 293f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 294f453ba04SDave Airlie */ 295f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 296f453ba04SDave Airlie struct drm_mode_object *object) 297f453ba04SDave Airlie { 298ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 299f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 300ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 301f453ba04SDave Airlie } 302f453ba04SDave Airlie 303786b99edSDaniel Vetter /** 304786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 305786b99edSDaniel Vetter * @dev: drm device 306786b99edSDaniel Vetter * @id: id of the mode object 307786b99edSDaniel Vetter * @type: type of the mode object 308786b99edSDaniel Vetter * 309786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 310786b99edSDaniel Vetter * are reference counted, they need special treatment. 311786b99edSDaniel Vetter */ 3127a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3137a9c9060SDaniel Vetter uint32_t id, uint32_t type) 314f453ba04SDave Airlie { 315ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 316f453ba04SDave Airlie 317786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 318786b99edSDaniel Vetter * function.*/ 319786b99edSDaniel Vetter WARN_ON(type == DRM_MODE_OBJECT_FB); 320786b99edSDaniel Vetter 321ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 322f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 323f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 324ad2563c2SJesse Barnes obj = NULL; 325ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 326f453ba04SDave Airlie 327f453ba04SDave Airlie return obj; 328f453ba04SDave Airlie } 329f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 330f453ba04SDave Airlie 331f453ba04SDave Airlie /** 332f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 333f453ba04SDave Airlie * @dev: DRM device 334065a50edSDaniel Vetter * @fb: framebuffer to be initialized 335065a50edSDaniel Vetter * @funcs: ... with these functions 336f453ba04SDave Airlie * 337f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 338f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 339f453ba04SDave Airlie * 3404b096ac1SDaniel Vetter * IMPORTANT: 3414b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 3424b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 3434b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 3444b096ac1SDaniel Vetter * locking but only correct reference counting is required. 3454b096ac1SDaniel Vetter * 346f453ba04SDave Airlie * RETURNS: 347af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 348f453ba04SDave Airlie */ 349f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 350f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 351f453ba04SDave Airlie { 352f453ba04SDave Airlie int ret; 353f453ba04SDave Airlie 3544b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 355f7eff60eSRob Clark kref_init(&fb->refcount); 3564b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 3574b096ac1SDaniel Vetter fb->dev = dev; 3584b096ac1SDaniel Vetter fb->funcs = funcs; 359f7eff60eSRob Clark 360f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 3616bfc56aaSVille Syrjälä if (ret) 3624b096ac1SDaniel Vetter goto out; 363f453ba04SDave Airlie 3642b677e8cSDaniel Vetter /* Grab the idr reference. */ 3652b677e8cSDaniel Vetter drm_framebuffer_reference(fb); 3662b677e8cSDaniel Vetter 367f453ba04SDave Airlie dev->mode_config.num_fb++; 368f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 3694b096ac1SDaniel Vetter out: 3704b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 371f453ba04SDave Airlie 372f453ba04SDave Airlie return 0; 373f453ba04SDave Airlie } 374f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 375f453ba04SDave Airlie 376f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 377f7eff60eSRob Clark { 378f7eff60eSRob Clark struct drm_framebuffer *fb = 379f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 380f7eff60eSRob Clark fb->funcs->destroy(fb); 381f7eff60eSRob Clark } 382f7eff60eSRob Clark 3832b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 3842b677e8cSDaniel Vetter uint32_t id) 3852b677e8cSDaniel Vetter { 3862b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 3872b677e8cSDaniel Vetter struct drm_framebuffer *fb; 3882b677e8cSDaniel Vetter 3892b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 3902b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 3912b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 3922b677e8cSDaniel Vetter fb = NULL; 3932b677e8cSDaniel Vetter else 3942b677e8cSDaniel Vetter fb = obj_to_fb(obj); 3952b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 3962b677e8cSDaniel Vetter 3972b677e8cSDaniel Vetter return fb; 3982b677e8cSDaniel Vetter } 3992b677e8cSDaniel Vetter 400f7eff60eSRob Clark /** 401786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 402786b99edSDaniel Vetter * @dev: drm device 403786b99edSDaniel Vetter * @id: id of the fb object 404786b99edSDaniel Vetter * 405786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 406786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 407786b99edSDaniel Vetter * again. 408786b99edSDaniel Vetter */ 409786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 410786b99edSDaniel Vetter uint32_t id) 411786b99edSDaniel Vetter { 412786b99edSDaniel Vetter struct drm_framebuffer *fb; 413786b99edSDaniel Vetter 414786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4152b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 416786b99edSDaniel Vetter if (fb) 4179131d3d8Sarchit taneja drm_framebuffer_reference(fb); 418786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 419786b99edSDaniel Vetter 420786b99edSDaniel Vetter return fb; 421786b99edSDaniel Vetter } 422786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 423786b99edSDaniel Vetter 424786b99edSDaniel Vetter /** 425f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 426065a50edSDaniel Vetter * @fb: framebuffer to unref 427065a50edSDaniel Vetter * 428065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 429f7eff60eSRob Clark */ 430f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 431f7eff60eSRob Clark { 432f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 433f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 434f7eff60eSRob Clark } 435f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 436f7eff60eSRob Clark 437f7eff60eSRob Clark /** 438f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 439065a50edSDaniel Vetter * @fb: framebuffer 440f7eff60eSRob Clark */ 441f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 442f7eff60eSRob Clark { 443f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 444f7eff60eSRob Clark kref_get(&fb->refcount); 445f7eff60eSRob Clark } 446f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 447f7eff60eSRob Clark 4482b677e8cSDaniel Vetter static void drm_framebuffer_free_bug(struct kref *kref) 4492b677e8cSDaniel Vetter { 4502b677e8cSDaniel Vetter BUG(); 4512b677e8cSDaniel Vetter } 4522b677e8cSDaniel Vetter 4536c2a7532SDaniel Vetter static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) 4546c2a7532SDaniel Vetter { 4556c2a7532SDaniel Vetter DRM_DEBUG("FB ID: %d\n", fb->base.id); 4566c2a7532SDaniel Vetter kref_put(&fb->refcount, drm_framebuffer_free_bug); 4576c2a7532SDaniel Vetter } 4586c2a7532SDaniel Vetter 4592b677e8cSDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 4602b677e8cSDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 4612b677e8cSDaniel Vetter struct drm_framebuffer *fb) 4622b677e8cSDaniel Vetter { 4632b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4642b677e8cSDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 4652b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4662b677e8cSDaniel Vetter 4672b677e8cSDaniel Vetter fb->base.id = 0; 4682b677e8cSDaniel Vetter 4696c2a7532SDaniel Vetter __drm_framebuffer_unreference(fb); 4702b677e8cSDaniel Vetter } 4712b677e8cSDaniel Vetter 472f453ba04SDave Airlie /** 47336206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 47436206361SDaniel Vetter * @fb: fb to unregister 47536206361SDaniel Vetter * 47636206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 47736206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 47836206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 47936206361SDaniel Vetter * locking inversion). 48036206361SDaniel Vetter */ 48136206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 48236206361SDaniel Vetter { 4832b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 4842b677e8cSDaniel Vetter 4852b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4862b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 4872b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 4882b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 48936206361SDaniel Vetter } 49036206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 49136206361SDaniel Vetter 49236206361SDaniel Vetter /** 493f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 494f453ba04SDave Airlie * @fb: framebuffer to remove 495f453ba04SDave Airlie * 49636206361SDaniel Vetter * Cleanup references to a user-created framebuffer. This function is intended 49736206361SDaniel Vetter * to be used from the drivers ->destroy callback. 49836206361SDaniel Vetter * 49936206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 50036206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 50136206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 50236206361SDaniel Vetter * 50336206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 50436206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 50536206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 50636206361SDaniel Vetter * drm_framebuffer_unregister_private. 507f453ba04SDave Airlie */ 508f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 509f453ba04SDave Airlie { 510f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5118faf6b18SDaniel Vetter 5124b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 513f7eff60eSRob Clark list_del(&fb->head); 514f7eff60eSRob Clark dev->mode_config.num_fb--; 5154b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 516f7eff60eSRob Clark } 517f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 518f7eff60eSRob Clark 519f7eff60eSRob Clark /** 520f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 521f7eff60eSRob Clark * @fb: framebuffer to remove 522f7eff60eSRob Clark * 523f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 52436206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 525b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 526b62584e3SDaniel Vetter * 527b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 528b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 529b62584e3SDaniel Vetter * modeset locks in this case. 530f7eff60eSRob Clark */ 531f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 532f7eff60eSRob Clark { 533f7eff60eSRob Clark struct drm_device *dev = fb->dev; 534f453ba04SDave Airlie struct drm_crtc *crtc; 5358cf5c917SJesse Barnes struct drm_plane *plane; 5365ef5f72fSDave Airlie struct drm_mode_set set; 5375ef5f72fSDave Airlie int ret; 538f453ba04SDave Airlie 5394b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5408faf6b18SDaniel Vetter 541b62584e3SDaniel Vetter /* 542b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 543b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 544b62584e3SDaniel Vetter * longer need, try to optimize this away. 545b62584e3SDaniel Vetter * 546b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 547b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 548b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 549b62584e3SDaniel Vetter * locks. 550b62584e3SDaniel Vetter * 551b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 552b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 553b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 554b62584e3SDaniel Vetter * in this manner. 555b62584e3SDaniel Vetter */ 556b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 557b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 558f453ba04SDave Airlie /* remove from any CRTC */ 559f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 5605ef5f72fSDave Airlie if (crtc->fb == fb) { 5615ef5f72fSDave Airlie /* should turn off the crtc */ 5625ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 5635ef5f72fSDave Airlie set.crtc = crtc; 5645ef5f72fSDave Airlie set.fb = NULL; 5652d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 5665ef5f72fSDave Airlie if (ret) 5675ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 5685ef5f72fSDave Airlie } 569f453ba04SDave Airlie } 570f453ba04SDave Airlie 5718cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 5728cf5c917SJesse Barnes if (plane->fb == fb) { 5738cf5c917SJesse Barnes /* should turn off the crtc */ 5748cf5c917SJesse Barnes ret = plane->funcs->disable_plane(plane); 5758cf5c917SJesse Barnes if (ret) 5768cf5c917SJesse Barnes DRM_ERROR("failed to disable plane with busy fb\n"); 577a9971157SRob Clark /* disconnect the plane from the fb and crtc: */ 5786c2a7532SDaniel Vetter __drm_framebuffer_unreference(plane->fb); 579a9971157SRob Clark plane->fb = NULL; 580a9971157SRob Clark plane->crtc = NULL; 5818cf5c917SJesse Barnes } 5828cf5c917SJesse Barnes } 583b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 584b62584e3SDaniel Vetter } 5858cf5c917SJesse Barnes 586f7eff60eSRob Clark drm_framebuffer_unreference(fb); 587f453ba04SDave Airlie } 588f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 589f453ba04SDave Airlie 590f453ba04SDave Airlie /** 591f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 592f453ba04SDave Airlie * @dev: DRM device 593f453ba04SDave Airlie * @crtc: CRTC object to init 594f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 595f453ba04SDave Airlie * 596f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 5976bfc56aaSVille Syrjälä * 5986bfc56aaSVille Syrjälä * RETURNS: 5996bfc56aaSVille Syrjälä * Zero on success, error code on failure. 600f453ba04SDave Airlie */ 6016bfc56aaSVille Syrjälä int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 602f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 603f453ba04SDave Airlie { 6046bfc56aaSVille Syrjälä int ret; 6056bfc56aaSVille Syrjälä 606f453ba04SDave Airlie crtc->dev = dev; 607f453ba04SDave Airlie crtc->funcs = funcs; 6087c80e128SRob Clark crtc->invert_dimensions = false; 609f453ba04SDave Airlie 61084849903SDaniel Vetter drm_modeset_lock_all(dev); 61129494c17SDaniel Vetter mutex_init(&crtc->mutex); 61229494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 6136bfc56aaSVille Syrjälä 6146bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6156bfc56aaSVille Syrjälä if (ret) 6166bfc56aaSVille Syrjälä goto out; 617f453ba04SDave Airlie 618bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 619bffd9de0SPaulo Zanoni 620f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 621f453ba04SDave Airlie dev->mode_config.num_crtc++; 6226bfc56aaSVille Syrjälä 6236bfc56aaSVille Syrjälä out: 62484849903SDaniel Vetter drm_modeset_unlock_all(dev); 6256bfc56aaSVille Syrjälä 6266bfc56aaSVille Syrjälä return ret; 627f453ba04SDave Airlie } 628f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 629f453ba04SDave Airlie 630f453ba04SDave Airlie /** 631f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 632f453ba04SDave Airlie * @crtc: CRTC to cleanup 633f453ba04SDave Airlie * 634f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 635f453ba04SDave Airlie * does NOT free object, caller does that. 636f453ba04SDave Airlie */ 637f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 638f453ba04SDave Airlie { 639f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 640f453ba04SDave Airlie 641f453ba04SDave Airlie kfree(crtc->gamma_store); 642f453ba04SDave Airlie crtc->gamma_store = NULL; 643f453ba04SDave Airlie 644f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 645f453ba04SDave Airlie list_del(&crtc->head); 646f453ba04SDave Airlie dev->mode_config.num_crtc--; 647f453ba04SDave Airlie } 648f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 649f453ba04SDave Airlie 650f453ba04SDave Airlie /** 651f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 652f453ba04SDave Airlie * @connector: connector the new mode 653f453ba04SDave Airlie * @mode: mode data 654f453ba04SDave Airlie * 655f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 656f453ba04SDave Airlie */ 657f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 658f453ba04SDave Airlie struct drm_display_mode *mode) 659f453ba04SDave Airlie { 660f453ba04SDave Airlie list_add(&mode->head, &connector->probed_modes); 661f453ba04SDave Airlie } 662f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 663f453ba04SDave Airlie 664f453ba04SDave Airlie /** 665f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 666f453ba04SDave Airlie * @connector: connector list to modify 667f453ba04SDave Airlie * @mode: mode to remove 668f453ba04SDave Airlie * 669f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 670f453ba04SDave Airlie */ 671f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 672f453ba04SDave Airlie struct drm_display_mode *mode) 673f453ba04SDave Airlie { 674f453ba04SDave Airlie list_del(&mode->head); 675554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 676f453ba04SDave Airlie } 677f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 678f453ba04SDave Airlie 679f453ba04SDave Airlie /** 680f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 681f453ba04SDave Airlie * @dev: DRM device 682f453ba04SDave Airlie * @connector: the connector to init 683f453ba04SDave Airlie * @funcs: callbacks for this connector 684065a50edSDaniel Vetter * @connector_type: user visible type of the connector 685f453ba04SDave Airlie * 686f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 687f453ba04SDave Airlie * subclassed as part of driver connector objects. 6886bfc56aaSVille Syrjälä * 6896bfc56aaSVille Syrjälä * RETURNS: 6906bfc56aaSVille Syrjälä * Zero on success, error code on failure. 691f453ba04SDave Airlie */ 6926bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 693f453ba04SDave Airlie struct drm_connector *connector, 694f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 695f453ba04SDave Airlie int connector_type) 696f453ba04SDave Airlie { 6976bfc56aaSVille Syrjälä int ret; 6986bfc56aaSVille Syrjälä 69984849903SDaniel Vetter drm_modeset_lock_all(dev); 700f453ba04SDave Airlie 7016bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 7026bfc56aaSVille Syrjälä if (ret) 7036bfc56aaSVille Syrjälä goto out; 7046bfc56aaSVille Syrjälä 7057e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 706f453ba04SDave Airlie connector->dev = dev; 707f453ba04SDave Airlie connector->funcs = funcs; 708f453ba04SDave Airlie connector->connector_type = connector_type; 709f453ba04SDave Airlie connector->connector_type_id = 710f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 711f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 712f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 713f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 7145e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 715f453ba04SDave Airlie 716f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 717f453ba04SDave Airlie dev->mode_config.num_connector++; 718f453ba04SDave Airlie 719a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 72058495563SRob Clark drm_object_attach_property(&connector->base, 721a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 722a7331e5cSThomas Hellstrom 0); 723f453ba04SDave Airlie 72458495563SRob Clark drm_object_attach_property(&connector->base, 725f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 726f453ba04SDave Airlie 7276bfc56aaSVille Syrjälä out: 72884849903SDaniel Vetter drm_modeset_unlock_all(dev); 7296bfc56aaSVille Syrjälä 7306bfc56aaSVille Syrjälä return ret; 731f453ba04SDave Airlie } 732f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 733f453ba04SDave Airlie 734f453ba04SDave Airlie /** 735f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 736f453ba04SDave Airlie * @connector: connector to cleanup 737f453ba04SDave Airlie * 738f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 739f453ba04SDave Airlie */ 740f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 741f453ba04SDave Airlie { 742f453ba04SDave Airlie struct drm_device *dev = connector->dev; 743f453ba04SDave Airlie struct drm_display_mode *mode, *t; 744f453ba04SDave Airlie 745f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 746f453ba04SDave Airlie drm_mode_remove(connector, mode); 747f453ba04SDave Airlie 748f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 749f453ba04SDave Airlie drm_mode_remove(connector, mode); 750f453ba04SDave Airlie 751f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 752f453ba04SDave Airlie list_del(&connector->head); 7536380c509SJoonyoung Shim dev->mode_config.num_connector--; 754f453ba04SDave Airlie } 755f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 756f453ba04SDave Airlie 757cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 758cbc7e221SDave Airlie { 759cbc7e221SDave Airlie struct drm_connector *connector; 760cbc7e221SDave Airlie 761cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 762cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 763cbc7e221SDave Airlie drm_sysfs_connector_remove(connector); 764cbc7e221SDave Airlie 765cbc7e221SDave Airlie } 766cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 767cbc7e221SDave Airlie 7686bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 769f453ba04SDave Airlie struct drm_encoder *encoder, 770f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 771f453ba04SDave Airlie int encoder_type) 772f453ba04SDave Airlie { 7736bfc56aaSVille Syrjälä int ret; 7746bfc56aaSVille Syrjälä 77584849903SDaniel Vetter drm_modeset_lock_all(dev); 776f453ba04SDave Airlie 7776bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 7786bfc56aaSVille Syrjälä if (ret) 7796bfc56aaSVille Syrjälä goto out; 780f453ba04SDave Airlie 7816bfc56aaSVille Syrjälä encoder->dev = dev; 782f453ba04SDave Airlie encoder->encoder_type = encoder_type; 783f453ba04SDave Airlie encoder->funcs = funcs; 784f453ba04SDave Airlie 785f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 786f453ba04SDave Airlie dev->mode_config.num_encoder++; 787f453ba04SDave Airlie 7886bfc56aaSVille Syrjälä out: 78984849903SDaniel Vetter drm_modeset_unlock_all(dev); 7906bfc56aaSVille Syrjälä 7916bfc56aaSVille Syrjälä return ret; 792f453ba04SDave Airlie } 793f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 794f453ba04SDave Airlie 795f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 796f453ba04SDave Airlie { 797f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 79884849903SDaniel Vetter drm_modeset_lock_all(dev); 799f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 800f453ba04SDave Airlie list_del(&encoder->head); 8016380c509SJoonyoung Shim dev->mode_config.num_encoder--; 80284849903SDaniel Vetter drm_modeset_unlock_all(dev); 803f453ba04SDave Airlie } 804f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 805f453ba04SDave Airlie 8068cf5c917SJesse Barnes int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 8078cf5c917SJesse Barnes unsigned long possible_crtcs, 8088cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 8090a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 8100a7eb243SRob Clark bool priv) 8118cf5c917SJesse Barnes { 8126bfc56aaSVille Syrjälä int ret; 8136bfc56aaSVille Syrjälä 81484849903SDaniel Vetter drm_modeset_lock_all(dev); 8158cf5c917SJesse Barnes 8166bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 8176bfc56aaSVille Syrjälä if (ret) 8186bfc56aaSVille Syrjälä goto out; 8196bfc56aaSVille Syrjälä 8204d93914aSRob Clark plane->base.properties = &plane->properties; 8218cf5c917SJesse Barnes plane->dev = dev; 8228cf5c917SJesse Barnes plane->funcs = funcs; 8238cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 8248cf5c917SJesse Barnes GFP_KERNEL); 8258cf5c917SJesse Barnes if (!plane->format_types) { 8268cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 8278cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 8286bfc56aaSVille Syrjälä ret = -ENOMEM; 8296bfc56aaSVille Syrjälä goto out; 8308cf5c917SJesse Barnes } 8318cf5c917SJesse Barnes 832308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 8338cf5c917SJesse Barnes plane->format_count = format_count; 8348cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 8358cf5c917SJesse Barnes 8360a7eb243SRob Clark /* private planes are not exposed to userspace, but depending on 8370a7eb243SRob Clark * display hardware, might be convenient to allow sharing programming 8380a7eb243SRob Clark * for the scanout engine with the crtc implementation. 8390a7eb243SRob Clark */ 8400a7eb243SRob Clark if (!priv) { 8418cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 8428cf5c917SJesse Barnes dev->mode_config.num_plane++; 8430a7eb243SRob Clark } else { 8440a7eb243SRob Clark INIT_LIST_HEAD(&plane->head); 8450a7eb243SRob Clark } 8468cf5c917SJesse Barnes 8476bfc56aaSVille Syrjälä out: 84884849903SDaniel Vetter drm_modeset_unlock_all(dev); 8498cf5c917SJesse Barnes 8506bfc56aaSVille Syrjälä return ret; 8518cf5c917SJesse Barnes } 8528cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 8538cf5c917SJesse Barnes 8548cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 8558cf5c917SJesse Barnes { 8568cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 8578cf5c917SJesse Barnes 85884849903SDaniel Vetter drm_modeset_lock_all(dev); 8598cf5c917SJesse Barnes kfree(plane->format_types); 8608cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 8610a7eb243SRob Clark /* if not added to a list, it must be a private plane */ 8620a7eb243SRob Clark if (!list_empty(&plane->head)) { 8638cf5c917SJesse Barnes list_del(&plane->head); 8648cf5c917SJesse Barnes dev->mode_config.num_plane--; 8650a7eb243SRob Clark } 86684849903SDaniel Vetter drm_modeset_unlock_all(dev); 8678cf5c917SJesse Barnes } 8688cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 8698cf5c917SJesse Barnes 870f453ba04SDave Airlie /** 871f453ba04SDave Airlie * drm_mode_create - create a new display mode 872f453ba04SDave Airlie * @dev: DRM device 873f453ba04SDave Airlie * 874f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 875f453ba04SDave Airlie * 876f453ba04SDave Airlie * RETURNS: 877f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 878f453ba04SDave Airlie */ 879f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 880f453ba04SDave Airlie { 881f453ba04SDave Airlie struct drm_display_mode *nmode; 882f453ba04SDave Airlie 883f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 884f453ba04SDave Airlie if (!nmode) 885f453ba04SDave Airlie return NULL; 886f453ba04SDave Airlie 8876bfc56aaSVille Syrjälä if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 8886bfc56aaSVille Syrjälä kfree(nmode); 8896bfc56aaSVille Syrjälä return NULL; 8906bfc56aaSVille Syrjälä } 8916bfc56aaSVille Syrjälä 892f453ba04SDave Airlie return nmode; 893f453ba04SDave Airlie } 894f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 895f453ba04SDave Airlie 896f453ba04SDave Airlie /** 897f453ba04SDave Airlie * drm_mode_destroy - remove a mode 898f453ba04SDave Airlie * @dev: DRM device 899f453ba04SDave Airlie * @mode: mode to remove 900f453ba04SDave Airlie * 901f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 902f453ba04SDave Airlie */ 903f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 904f453ba04SDave Airlie { 905ee34ab5bSVille Syrjälä if (!mode) 906ee34ab5bSVille Syrjälä return; 907ee34ab5bSVille Syrjälä 908f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 909f453ba04SDave Airlie 910f453ba04SDave Airlie kfree(mode); 911f453ba04SDave Airlie } 912f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 913f453ba04SDave Airlie 914f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 915f453ba04SDave Airlie { 916f453ba04SDave Airlie struct drm_property *edid; 917f453ba04SDave Airlie struct drm_property *dpms; 918f453ba04SDave Airlie 919f453ba04SDave Airlie /* 920f453ba04SDave Airlie * Standard properties (apply to all connectors) 921f453ba04SDave Airlie */ 922f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 923f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 924f453ba04SDave Airlie "EDID", 0); 925f453ba04SDave Airlie dev->mode_config.edid_property = edid; 926f453ba04SDave Airlie 9274a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 9284a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 9294a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 930f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 931f453ba04SDave Airlie 932f453ba04SDave Airlie return 0; 933f453ba04SDave Airlie } 934f453ba04SDave Airlie 935f453ba04SDave Airlie /** 936f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 937f453ba04SDave Airlie * @dev: DRM device 938f453ba04SDave Airlie * 939f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 940f453ba04SDave Airlie */ 941f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 942f453ba04SDave Airlie { 943f453ba04SDave Airlie struct drm_property *dvi_i_selector; 944f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 945f453ba04SDave Airlie 946f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 947f453ba04SDave Airlie return 0; 948f453ba04SDave Airlie 949f453ba04SDave Airlie dvi_i_selector = 9504a67d391SSascha Hauer drm_property_create_enum(dev, 0, 951f453ba04SDave Airlie "select subconnector", 9524a67d391SSascha Hauer drm_dvi_i_select_enum_list, 953f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 954f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 955f453ba04SDave Airlie 9564a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 957f453ba04SDave Airlie "subconnector", 9584a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 959f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 960f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 961f453ba04SDave Airlie 962f453ba04SDave Airlie return 0; 963f453ba04SDave Airlie } 964f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 965f453ba04SDave Airlie 966f453ba04SDave Airlie /** 967f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 968f453ba04SDave Airlie * @dev: DRM device 969f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 970f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 971f453ba04SDave Airlie * 972f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 973f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 974f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 975f453ba04SDave Airlie * this routine. 976f453ba04SDave Airlie */ 977f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 978f453ba04SDave Airlie char *modes[]) 979f453ba04SDave Airlie { 980f453ba04SDave Airlie struct drm_property *tv_selector; 981f453ba04SDave Airlie struct drm_property *tv_subconnector; 982f453ba04SDave Airlie int i; 983f453ba04SDave Airlie 984f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 985f453ba04SDave Airlie return 0; 986f453ba04SDave Airlie 987f453ba04SDave Airlie /* 988f453ba04SDave Airlie * Basic connector properties 989f453ba04SDave Airlie */ 9904a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 991f453ba04SDave Airlie "select subconnector", 9924a67d391SSascha Hauer drm_tv_select_enum_list, 993f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 994f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 995f453ba04SDave Airlie 996f453ba04SDave Airlie tv_subconnector = 9974a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 9984a67d391SSascha Hauer "subconnector", 9994a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1000f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1001f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1002f453ba04SDave Airlie 1003f453ba04SDave Airlie /* 1004f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1005f453ba04SDave Airlie */ 1006f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1007d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1008f453ba04SDave Airlie 1009f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1010d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1011f453ba04SDave Airlie 1012f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1013d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1014f453ba04SDave Airlie 1015f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1016d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1017f453ba04SDave Airlie 1018f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1019f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1020f453ba04SDave Airlie "mode", num_modes); 1021f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1022f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1023f453ba04SDave Airlie i, modes[i]); 1024f453ba04SDave Airlie 1025b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1026d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1027b6b7902eSFrancisco Jerez 1028b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1029d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1030b6b7902eSFrancisco Jerez 1031b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1032d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1033b6b7902eSFrancisco Jerez 1034a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1035d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1036a75f0236SFrancisco Jerez 1037a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1038d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1039a75f0236SFrancisco Jerez 1040a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1041d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1042a75f0236SFrancisco Jerez 1043f453ba04SDave Airlie return 0; 1044f453ba04SDave Airlie } 1045f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1046f453ba04SDave Airlie 1047f453ba04SDave Airlie /** 1048f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1049f453ba04SDave Airlie * @dev: DRM device 1050f453ba04SDave Airlie * 1051f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1052f453ba04SDave Airlie * connectors. 1053f453ba04SDave Airlie */ 1054f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1055f453ba04SDave Airlie { 1056f453ba04SDave Airlie struct drm_property *scaling_mode; 1057f453ba04SDave Airlie 1058f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1059f453ba04SDave Airlie return 0; 1060f453ba04SDave Airlie 1061f453ba04SDave Airlie scaling_mode = 10624a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 10634a67d391SSascha Hauer drm_scaling_mode_enum_list, 1064f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1065f453ba04SDave Airlie 1066f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1067f453ba04SDave Airlie 1068f453ba04SDave Airlie return 0; 1069f453ba04SDave Airlie } 1070f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1071f453ba04SDave Airlie 1072f453ba04SDave Airlie /** 1073f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 1074f453ba04SDave Airlie * @dev: DRM device 1075f453ba04SDave Airlie * 1076f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1077f453ba04SDave Airlie * connectors. 1078f453ba04SDave Airlie */ 1079f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 1080f453ba04SDave Airlie { 1081f453ba04SDave Airlie struct drm_property *dithering_mode; 1082f453ba04SDave Airlie 1083f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 1084f453ba04SDave Airlie return 0; 1085f453ba04SDave Airlie 1086f453ba04SDave Airlie dithering_mode = 10874a67d391SSascha Hauer drm_property_create_enum(dev, 0, "dithering", 10884a67d391SSascha Hauer drm_dithering_mode_enum_list, 1089f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 1090f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 1091f453ba04SDave Airlie 1092f453ba04SDave Airlie return 0; 1093f453ba04SDave Airlie } 1094f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 1095f453ba04SDave Airlie 1096f453ba04SDave Airlie /** 1097884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1098884840aaSJakob Bornecrantz * @dev: DRM device 1099884840aaSJakob Bornecrantz * 1100884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1101884840aaSJakob Bornecrantz * connectors. 1102884840aaSJakob Bornecrantz */ 1103884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1104884840aaSJakob Bornecrantz { 1105884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1106884840aaSJakob Bornecrantz 1107884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1108884840aaSJakob Bornecrantz return 0; 1109884840aaSJakob Bornecrantz 1110884840aaSJakob Bornecrantz dirty_info = 11114a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1112884840aaSJakob Bornecrantz "dirty", 11134a67d391SSascha Hauer drm_dirty_info_enum_list, 1114884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1115884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1116884840aaSJakob Bornecrantz 1117884840aaSJakob Bornecrantz return 0; 1118884840aaSJakob Bornecrantz } 1119884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1120884840aaSJakob Bornecrantz 1121ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1122f453ba04SDave Airlie { 1123f453ba04SDave Airlie uint32_t total_objects = 0; 1124f453ba04SDave Airlie 1125f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1126f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1127f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1128f453ba04SDave Airlie 1129f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1130f453ba04SDave Airlie if (!group->id_list) 1131f453ba04SDave Airlie return -ENOMEM; 1132f453ba04SDave Airlie 1133f453ba04SDave Airlie group->num_crtcs = 0; 1134f453ba04SDave Airlie group->num_connectors = 0; 1135f453ba04SDave Airlie group->num_encoders = 0; 1136f453ba04SDave Airlie return 0; 1137f453ba04SDave Airlie } 1138f453ba04SDave Airlie 1139f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1140f453ba04SDave Airlie struct drm_mode_group *group) 1141f453ba04SDave Airlie { 1142f453ba04SDave Airlie struct drm_crtc *crtc; 1143f453ba04SDave Airlie struct drm_encoder *encoder; 1144f453ba04SDave Airlie struct drm_connector *connector; 1145f453ba04SDave Airlie int ret; 1146f453ba04SDave Airlie 1147f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1148f453ba04SDave Airlie return ret; 1149f453ba04SDave Airlie 1150f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1151f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1152f453ba04SDave Airlie 1153f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1154f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1155f453ba04SDave Airlie encoder->base.id; 1156f453ba04SDave Airlie 1157f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1158f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1159f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1160f453ba04SDave Airlie 1161f453ba04SDave Airlie return 0; 1162f453ba04SDave Airlie } 11639c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1164f453ba04SDave Airlie 1165f453ba04SDave Airlie /** 1166f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1167f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1168f453ba04SDave Airlie * @in: drm_display_mode to use 1169f453ba04SDave Airlie * 1170f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1171f453ba04SDave Airlie * the user. 1172f453ba04SDave Airlie */ 117393bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 117493bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1175f453ba04SDave Airlie { 1176e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1177e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1178e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1179e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1180e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1181e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1182e36fae38SVille Syrjälä 1183f453ba04SDave Airlie out->clock = in->clock; 1184f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1185f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1186f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1187f453ba04SDave Airlie out->htotal = in->htotal; 1188f453ba04SDave Airlie out->hskew = in->hskew; 1189f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1190f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1191f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1192f453ba04SDave Airlie out->vtotal = in->vtotal; 1193f453ba04SDave Airlie out->vscan = in->vscan; 1194f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1195f453ba04SDave Airlie out->flags = in->flags; 1196f453ba04SDave Airlie out->type = in->type; 1197f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1198f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1199f453ba04SDave Airlie } 1200f453ba04SDave Airlie 1201f453ba04SDave Airlie /** 1202f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1203f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1204f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1205f453ba04SDave Airlie * 1206f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1207f453ba04SDave Airlie * the caller. 120890367bf6SVille Syrjälä * 120990367bf6SVille Syrjälä * RETURNS: 121090367bf6SVille Syrjälä * Zero on success, errno on failure. 1211f453ba04SDave Airlie */ 121293bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 121393bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1214f453ba04SDave Airlie { 121590367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 121690367bf6SVille Syrjälä return -ERANGE; 121790367bf6SVille Syrjälä 1218f453ba04SDave Airlie out->clock = in->clock; 1219f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1220f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1221f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1222f453ba04SDave Airlie out->htotal = in->htotal; 1223f453ba04SDave Airlie out->hskew = in->hskew; 1224f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1225f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1226f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1227f453ba04SDave Airlie out->vtotal = in->vtotal; 1228f453ba04SDave Airlie out->vscan = in->vscan; 1229f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1230f453ba04SDave Airlie out->flags = in->flags; 1231f453ba04SDave Airlie out->type = in->type; 1232f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1233f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 123490367bf6SVille Syrjälä 123590367bf6SVille Syrjälä return 0; 1236f453ba04SDave Airlie } 1237f453ba04SDave Airlie 1238f453ba04SDave Airlie /** 1239f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1240065a50edSDaniel Vetter * @dev: drm device for the ioctl 1241065a50edSDaniel Vetter * @data: data pointer for the ioctl 1242065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1243f453ba04SDave Airlie * 1244f453ba04SDave Airlie * Construct a set of configuration description structures and return 1245f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1246f453ba04SDave Airlie * 1247f453ba04SDave Airlie * Called by the user via ioctl. 1248f453ba04SDave Airlie * 1249f453ba04SDave Airlie * RETURNS: 1250f453ba04SDave Airlie * Zero on success, errno on failure. 1251f453ba04SDave Airlie */ 1252f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1253f453ba04SDave Airlie struct drm_file *file_priv) 1254f453ba04SDave Airlie { 1255f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1256f453ba04SDave Airlie struct list_head *lh; 1257f453ba04SDave Airlie struct drm_framebuffer *fb; 1258f453ba04SDave Airlie struct drm_connector *connector; 1259f453ba04SDave Airlie struct drm_crtc *crtc; 1260f453ba04SDave Airlie struct drm_encoder *encoder; 1261f453ba04SDave Airlie int ret = 0; 1262f453ba04SDave Airlie int connector_count = 0; 1263f453ba04SDave Airlie int crtc_count = 0; 1264f453ba04SDave Airlie int fb_count = 0; 1265f453ba04SDave Airlie int encoder_count = 0; 1266f453ba04SDave Airlie int copied = 0, i; 1267f453ba04SDave Airlie uint32_t __user *fb_id; 1268f453ba04SDave Airlie uint32_t __user *crtc_id; 1269f453ba04SDave Airlie uint32_t __user *connector_id; 1270f453ba04SDave Airlie uint32_t __user *encoder_id; 1271f453ba04SDave Airlie struct drm_mode_group *mode_group; 1272f453ba04SDave Airlie 1273fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1274fb3b06c8SDave Airlie return -EINVAL; 1275fb3b06c8SDave Airlie 1276f453ba04SDave Airlie 12774b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1278f453ba04SDave Airlie /* 1279f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1280f453ba04SDave Airlie * by IDs in the group list for this node 1281f453ba04SDave Airlie */ 1282f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1283f453ba04SDave Airlie fb_count++; 1284f453ba04SDave Airlie 12854b096ac1SDaniel Vetter /* handle this in 4 parts */ 12864b096ac1SDaniel Vetter /* FBs */ 12874b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 12884b096ac1SDaniel Vetter copied = 0; 12894b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 12904b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 12914b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 12924b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 12934b096ac1SDaniel Vetter return -EFAULT; 12944b096ac1SDaniel Vetter } 12954b096ac1SDaniel Vetter copied++; 12964b096ac1SDaniel Vetter } 12974b096ac1SDaniel Vetter } 12984b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 12994b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 13004b096ac1SDaniel Vetter 13014b096ac1SDaniel Vetter drm_modeset_lock_all(dev); 1302f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1303f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1304f453ba04SDave Airlie 1305f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1306f453ba04SDave Airlie crtc_count++; 1307f453ba04SDave Airlie 1308f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1309f453ba04SDave Airlie connector_count++; 1310f453ba04SDave Airlie 1311f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1312f453ba04SDave Airlie encoder_count++; 1313f453ba04SDave Airlie } else { 1314f453ba04SDave Airlie 1315f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1316f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1317f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1318f453ba04SDave Airlie } 1319f453ba04SDave Airlie 1320f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1321f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1322f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1323f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1324f453ba04SDave Airlie 1325f453ba04SDave Airlie /* CRTCs */ 1326f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1327f453ba04SDave Airlie copied = 0; 1328f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1329f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1330f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1331f453ba04SDave Airlie head) { 13329440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1333f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1334f453ba04SDave Airlie ret = -EFAULT; 1335f453ba04SDave Airlie goto out; 1336f453ba04SDave Airlie } 1337f453ba04SDave Airlie copied++; 1338f453ba04SDave Airlie } 1339f453ba04SDave Airlie } else { 1340f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1341f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1342f453ba04SDave Airlie crtc_id + copied)) { 1343f453ba04SDave Airlie ret = -EFAULT; 1344f453ba04SDave Airlie goto out; 1345f453ba04SDave Airlie } 1346f453ba04SDave Airlie copied++; 1347f453ba04SDave Airlie } 1348f453ba04SDave Airlie } 1349f453ba04SDave Airlie } 1350f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1351f453ba04SDave Airlie 1352f453ba04SDave Airlie /* Encoders */ 1353f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1354f453ba04SDave Airlie copied = 0; 1355f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1356f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1357f453ba04SDave Airlie list_for_each_entry(encoder, 1358f453ba04SDave Airlie &dev->mode_config.encoder_list, 1359f453ba04SDave Airlie head) { 13609440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 13619440106bSJerome Glisse drm_get_encoder_name(encoder)); 1362f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1363f453ba04SDave Airlie copied)) { 1364f453ba04SDave Airlie ret = -EFAULT; 1365f453ba04SDave Airlie goto out; 1366f453ba04SDave Airlie } 1367f453ba04SDave Airlie copied++; 1368f453ba04SDave Airlie } 1369f453ba04SDave Airlie } else { 1370f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1371f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1372f453ba04SDave Airlie encoder_id + copied)) { 1373f453ba04SDave Airlie ret = -EFAULT; 1374f453ba04SDave Airlie goto out; 1375f453ba04SDave Airlie } 1376f453ba04SDave Airlie copied++; 1377f453ba04SDave Airlie } 1378f453ba04SDave Airlie 1379f453ba04SDave Airlie } 1380f453ba04SDave Airlie } 1381f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1382f453ba04SDave Airlie 1383f453ba04SDave Airlie /* Connectors */ 1384f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1385f453ba04SDave Airlie copied = 0; 1386f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1387f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1388f453ba04SDave Airlie list_for_each_entry(connector, 1389f453ba04SDave Airlie &dev->mode_config.connector_list, 1390f453ba04SDave Airlie head) { 13919440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 13929440106bSJerome Glisse connector->base.id, 13939440106bSJerome Glisse drm_get_connector_name(connector)); 1394f453ba04SDave Airlie if (put_user(connector->base.id, 1395f453ba04SDave Airlie connector_id + copied)) { 1396f453ba04SDave Airlie ret = -EFAULT; 1397f453ba04SDave Airlie goto out; 1398f453ba04SDave Airlie } 1399f453ba04SDave Airlie copied++; 1400f453ba04SDave Airlie } 1401f453ba04SDave Airlie } else { 1402f453ba04SDave Airlie int start = mode_group->num_crtcs + 1403f453ba04SDave Airlie mode_group->num_encoders; 1404f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1405f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1406f453ba04SDave Airlie connector_id + copied)) { 1407f453ba04SDave Airlie ret = -EFAULT; 1408f453ba04SDave Airlie goto out; 1409f453ba04SDave Airlie } 1410f453ba04SDave Airlie copied++; 1411f453ba04SDave Airlie } 1412f453ba04SDave Airlie } 1413f453ba04SDave Airlie } 1414f453ba04SDave Airlie card_res->count_connectors = connector_count; 1415f453ba04SDave Airlie 14169440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1417f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1418f453ba04SDave Airlie 1419f453ba04SDave Airlie out: 142084849903SDaniel Vetter drm_modeset_unlock_all(dev); 1421f453ba04SDave Airlie return ret; 1422f453ba04SDave Airlie } 1423f453ba04SDave Airlie 1424f453ba04SDave Airlie /** 1425f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1426065a50edSDaniel Vetter * @dev: drm device for the ioctl 1427065a50edSDaniel Vetter * @data: data pointer for the ioctl 1428065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1429f453ba04SDave Airlie * 1430f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1431f453ba04SDave Airlie * 1432f453ba04SDave Airlie * Called by the user via ioctl. 1433f453ba04SDave Airlie * 1434f453ba04SDave Airlie * RETURNS: 1435f453ba04SDave Airlie * Zero on success, errno on failure. 1436f453ba04SDave Airlie */ 1437f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1438f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1439f453ba04SDave Airlie { 1440f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1441f453ba04SDave Airlie struct drm_crtc *crtc; 1442f453ba04SDave Airlie struct drm_mode_object *obj; 1443f453ba04SDave Airlie int ret = 0; 1444f453ba04SDave Airlie 1445fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1446fb3b06c8SDave Airlie return -EINVAL; 1447fb3b06c8SDave Airlie 144884849903SDaniel Vetter drm_modeset_lock_all(dev); 1449f453ba04SDave Airlie 1450f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1451f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1452f453ba04SDave Airlie if (!obj) { 1453f453ba04SDave Airlie ret = -EINVAL; 1454f453ba04SDave Airlie goto out; 1455f453ba04SDave Airlie } 1456f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1457f453ba04SDave Airlie 1458f453ba04SDave Airlie crtc_resp->x = crtc->x; 1459f453ba04SDave Airlie crtc_resp->y = crtc->y; 1460f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1461f453ba04SDave Airlie if (crtc->fb) 1462f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1463f453ba04SDave Airlie else 1464f453ba04SDave Airlie crtc_resp->fb_id = 0; 1465f453ba04SDave Airlie 1466f453ba04SDave Airlie if (crtc->enabled) { 1467f453ba04SDave Airlie 1468f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1469f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1470f453ba04SDave Airlie 1471f453ba04SDave Airlie } else { 1472f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1473f453ba04SDave Airlie } 1474f453ba04SDave Airlie 1475f453ba04SDave Airlie out: 147684849903SDaniel Vetter drm_modeset_unlock_all(dev); 1477f453ba04SDave Airlie return ret; 1478f453ba04SDave Airlie } 1479f453ba04SDave Airlie 1480f453ba04SDave Airlie /** 1481f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1482065a50edSDaniel Vetter * @dev: drm device for the ioctl 1483065a50edSDaniel Vetter * @data: data pointer for the ioctl 1484065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1485f453ba04SDave Airlie * 1486f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1487f453ba04SDave Airlie * 1488f453ba04SDave Airlie * Called by the user via ioctl. 1489f453ba04SDave Airlie * 1490f453ba04SDave Airlie * RETURNS: 1491f453ba04SDave Airlie * Zero on success, errno on failure. 1492f453ba04SDave Airlie */ 1493f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1494f453ba04SDave Airlie struct drm_file *file_priv) 1495f453ba04SDave Airlie { 1496f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1497f453ba04SDave Airlie struct drm_mode_object *obj; 1498f453ba04SDave Airlie struct drm_connector *connector; 1499f453ba04SDave Airlie struct drm_display_mode *mode; 1500f453ba04SDave Airlie int mode_count = 0; 1501f453ba04SDave Airlie int props_count = 0; 1502f453ba04SDave Airlie int encoders_count = 0; 1503f453ba04SDave Airlie int ret = 0; 1504f453ba04SDave Airlie int copied = 0; 1505f453ba04SDave Airlie int i; 1506f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1507f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1508f453ba04SDave Airlie uint32_t __user *prop_ptr; 1509f453ba04SDave Airlie uint64_t __user *prop_values; 1510f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1511f453ba04SDave Airlie 1512fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1513fb3b06c8SDave Airlie return -EINVAL; 1514fb3b06c8SDave Airlie 1515f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1516f453ba04SDave Airlie 15179440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1518f453ba04SDave Airlie 15197b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1520f453ba04SDave Airlie 1521f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1522f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1523f453ba04SDave Airlie if (!obj) { 1524f453ba04SDave Airlie ret = -EINVAL; 1525f453ba04SDave Airlie goto out; 1526f453ba04SDave Airlie } 1527f453ba04SDave Airlie connector = obj_to_connector(obj); 1528f453ba04SDave Airlie 15297f88a9beSPaulo Zanoni props_count = connector->properties.count; 1530f453ba04SDave Airlie 1531f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1532f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1533f453ba04SDave Airlie encoders_count++; 1534f453ba04SDave Airlie } 1535f453ba04SDave Airlie } 1536f453ba04SDave Airlie 1537f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1538f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1539f453ba04SDave Airlie dev->mode_config.max_width, 1540f453ba04SDave Airlie dev->mode_config.max_height); 1541f453ba04SDave Airlie } 1542f453ba04SDave Airlie 1543f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1544f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1545f453ba04SDave Airlie mode_count++; 1546f453ba04SDave Airlie 1547f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1548f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1549f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1550f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1551f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1552f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1553f453ba04SDave Airlie out_resp->connection = connector->status; 1554f453ba04SDave Airlie if (connector->encoder) 1555f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1556f453ba04SDave Airlie else 1557f453ba04SDave Airlie out_resp->encoder_id = 0; 1558f453ba04SDave Airlie 1559f453ba04SDave Airlie /* 1560f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1561f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1562f453ba04SDave Airlie */ 1563f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1564f453ba04SDave Airlie copied = 0; 156581f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 1566f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1567f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1568f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1569f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1570f453ba04SDave Airlie ret = -EFAULT; 1571f453ba04SDave Airlie goto out; 1572f453ba04SDave Airlie } 1573f453ba04SDave Airlie copied++; 1574f453ba04SDave Airlie } 1575f453ba04SDave Airlie } 1576f453ba04SDave Airlie out_resp->count_modes = mode_count; 1577f453ba04SDave Airlie 1578f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1579f453ba04SDave Airlie copied = 0; 158081f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 158181f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 15827f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 15837e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 1584f453ba04SDave Airlie prop_ptr + copied)) { 1585f453ba04SDave Airlie ret = -EFAULT; 1586f453ba04SDave Airlie goto out; 1587f453ba04SDave Airlie } 1588f453ba04SDave Airlie 15897e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 1590f453ba04SDave Airlie prop_values + copied)) { 1591f453ba04SDave Airlie ret = -EFAULT; 1592f453ba04SDave Airlie goto out; 1593f453ba04SDave Airlie } 1594f453ba04SDave Airlie copied++; 1595f453ba04SDave Airlie } 1596f453ba04SDave Airlie } 1597f453ba04SDave Airlie out_resp->count_props = props_count; 1598f453ba04SDave Airlie 1599f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1600f453ba04SDave Airlie copied = 0; 160181f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 1602f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1603f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1604f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1605f453ba04SDave Airlie encoder_ptr + copied)) { 1606f453ba04SDave Airlie ret = -EFAULT; 1607f453ba04SDave Airlie goto out; 1608f453ba04SDave Airlie } 1609f453ba04SDave Airlie copied++; 1610f453ba04SDave Airlie } 1611f453ba04SDave Airlie } 1612f453ba04SDave Airlie } 1613f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1614f453ba04SDave Airlie 1615f453ba04SDave Airlie out: 16167b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 16177b24056bSDaniel Vetter 1618f453ba04SDave Airlie return ret; 1619f453ba04SDave Airlie } 1620f453ba04SDave Airlie 1621f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1622f453ba04SDave Airlie struct drm_file *file_priv) 1623f453ba04SDave Airlie { 1624f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1625f453ba04SDave Airlie struct drm_mode_object *obj; 1626f453ba04SDave Airlie struct drm_encoder *encoder; 1627f453ba04SDave Airlie int ret = 0; 1628f453ba04SDave Airlie 1629fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1630fb3b06c8SDave Airlie return -EINVAL; 1631fb3b06c8SDave Airlie 163284849903SDaniel Vetter drm_modeset_lock_all(dev); 1633f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1634f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1635f453ba04SDave Airlie if (!obj) { 1636f453ba04SDave Airlie ret = -EINVAL; 1637f453ba04SDave Airlie goto out; 1638f453ba04SDave Airlie } 1639f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1640f453ba04SDave Airlie 1641f453ba04SDave Airlie if (encoder->crtc) 1642f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1643f453ba04SDave Airlie else 1644f453ba04SDave Airlie enc_resp->crtc_id = 0; 1645f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1646f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1647f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1648f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1649f453ba04SDave Airlie 1650f453ba04SDave Airlie out: 165184849903SDaniel Vetter drm_modeset_unlock_all(dev); 1652f453ba04SDave Airlie return ret; 1653f453ba04SDave Airlie } 1654f453ba04SDave Airlie 1655f453ba04SDave Airlie /** 16568cf5c917SJesse Barnes * drm_mode_getplane_res - get plane info 16578cf5c917SJesse Barnes * @dev: DRM device 16588cf5c917SJesse Barnes * @data: ioctl data 16598cf5c917SJesse Barnes * @file_priv: DRM file info 16608cf5c917SJesse Barnes * 16618cf5c917SJesse Barnes * Return an plane count and set of IDs. 16628cf5c917SJesse Barnes */ 16638cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 16648cf5c917SJesse Barnes struct drm_file *file_priv) 16658cf5c917SJesse Barnes { 16668cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 16678cf5c917SJesse Barnes struct drm_mode_config *config; 16688cf5c917SJesse Barnes struct drm_plane *plane; 16698cf5c917SJesse Barnes uint32_t __user *plane_ptr; 16708cf5c917SJesse Barnes int copied = 0, ret = 0; 16718cf5c917SJesse Barnes 16728cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 16738cf5c917SJesse Barnes return -EINVAL; 16748cf5c917SJesse Barnes 167584849903SDaniel Vetter drm_modeset_lock_all(dev); 16768cf5c917SJesse Barnes config = &dev->mode_config; 16778cf5c917SJesse Barnes 16788cf5c917SJesse Barnes /* 16798cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 16808cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 16818cf5c917SJesse Barnes */ 16828cf5c917SJesse Barnes if (config->num_plane && 16838cf5c917SJesse Barnes (plane_resp->count_planes >= config->num_plane)) { 168481f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 16858cf5c917SJesse Barnes 16868cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 16878cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 16888cf5c917SJesse Barnes ret = -EFAULT; 16898cf5c917SJesse Barnes goto out; 16908cf5c917SJesse Barnes } 16918cf5c917SJesse Barnes copied++; 16928cf5c917SJesse Barnes } 16938cf5c917SJesse Barnes } 16948cf5c917SJesse Barnes plane_resp->count_planes = config->num_plane; 16958cf5c917SJesse Barnes 16968cf5c917SJesse Barnes out: 169784849903SDaniel Vetter drm_modeset_unlock_all(dev); 16988cf5c917SJesse Barnes return ret; 16998cf5c917SJesse Barnes } 17008cf5c917SJesse Barnes 17018cf5c917SJesse Barnes /** 17028cf5c917SJesse Barnes * drm_mode_getplane - get plane info 17038cf5c917SJesse Barnes * @dev: DRM device 17048cf5c917SJesse Barnes * @data: ioctl data 17058cf5c917SJesse Barnes * @file_priv: DRM file info 17068cf5c917SJesse Barnes * 17078cf5c917SJesse Barnes * Return plane info, including formats supported, gamma size, any 17088cf5c917SJesse Barnes * current fb, etc. 17098cf5c917SJesse Barnes */ 17108cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 17118cf5c917SJesse Barnes struct drm_file *file_priv) 17128cf5c917SJesse Barnes { 17138cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 17148cf5c917SJesse Barnes struct drm_mode_object *obj; 17158cf5c917SJesse Barnes struct drm_plane *plane; 17168cf5c917SJesse Barnes uint32_t __user *format_ptr; 17178cf5c917SJesse Barnes int ret = 0; 17188cf5c917SJesse Barnes 17198cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17208cf5c917SJesse Barnes return -EINVAL; 17218cf5c917SJesse Barnes 172284849903SDaniel Vetter drm_modeset_lock_all(dev); 17238cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_resp->plane_id, 17248cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 17258cf5c917SJesse Barnes if (!obj) { 17268cf5c917SJesse Barnes ret = -ENOENT; 17278cf5c917SJesse Barnes goto out; 17288cf5c917SJesse Barnes } 17298cf5c917SJesse Barnes plane = obj_to_plane(obj); 17308cf5c917SJesse Barnes 17318cf5c917SJesse Barnes if (plane->crtc) 17328cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 17338cf5c917SJesse Barnes else 17348cf5c917SJesse Barnes plane_resp->crtc_id = 0; 17358cf5c917SJesse Barnes 17368cf5c917SJesse Barnes if (plane->fb) 17378cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 17388cf5c917SJesse Barnes else 17398cf5c917SJesse Barnes plane_resp->fb_id = 0; 17408cf5c917SJesse Barnes 17418cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 17428cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 17438cf5c917SJesse Barnes plane_resp->gamma_size = plane->gamma_size; 17448cf5c917SJesse Barnes 17458cf5c917SJesse Barnes /* 17468cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 17478cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 17488cf5c917SJesse Barnes */ 17498cf5c917SJesse Barnes if (plane->format_count && 17508cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 175181f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 17528cf5c917SJesse Barnes if (copy_to_user(format_ptr, 17538cf5c917SJesse Barnes plane->format_types, 17548cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 17558cf5c917SJesse Barnes ret = -EFAULT; 17568cf5c917SJesse Barnes goto out; 17578cf5c917SJesse Barnes } 17588cf5c917SJesse Barnes } 17598cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 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_setplane - set up or tear down an plane 17688cf5c917SJesse Barnes * @dev: DRM device 17698cf5c917SJesse Barnes * @data: ioctl data* 1770065a50edSDaniel Vetter * @file_priv: DRM file info 17718cf5c917SJesse Barnes * 17728cf5c917SJesse Barnes * Set plane info, including placement, fb, scaling, and other factors. 17738cf5c917SJesse Barnes * Or pass a NULL fb to disable. 17748cf5c917SJesse Barnes */ 17758cf5c917SJesse Barnes int drm_mode_setplane(struct drm_device *dev, void *data, 17768cf5c917SJesse Barnes struct drm_file *file_priv) 17778cf5c917SJesse Barnes { 17788cf5c917SJesse Barnes struct drm_mode_set_plane *plane_req = data; 17798cf5c917SJesse Barnes struct drm_mode_object *obj; 17808cf5c917SJesse Barnes struct drm_plane *plane; 17818cf5c917SJesse Barnes struct drm_crtc *crtc; 17826c2a7532SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 17838cf5c917SJesse Barnes int ret = 0; 178442ef8789SVille Syrjälä unsigned int fb_width, fb_height; 178562443be6SVille Syrjälä int i; 17868cf5c917SJesse Barnes 17878cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17888cf5c917SJesse Barnes return -EINVAL; 17898cf5c917SJesse Barnes 17908cf5c917SJesse Barnes /* 17918cf5c917SJesse Barnes * First, find the plane, crtc, and fb objects. If not available, 17928cf5c917SJesse Barnes * we don't bother to call the driver. 17938cf5c917SJesse Barnes */ 17948cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->plane_id, 17958cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 17968cf5c917SJesse Barnes if (!obj) { 17978cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown plane ID %d\n", 17988cf5c917SJesse Barnes plane_req->plane_id); 17996c2a7532SDaniel Vetter return -ENOENT; 18008cf5c917SJesse Barnes } 18018cf5c917SJesse Barnes plane = obj_to_plane(obj); 18028cf5c917SJesse Barnes 18038cf5c917SJesse Barnes /* No fb means shut it down */ 18048cf5c917SJesse Barnes if (!plane_req->fb_id) { 18056c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 18066c2a7532SDaniel Vetter old_fb = plane->fb; 18078cf5c917SJesse Barnes plane->funcs->disable_plane(plane); 1808e5e3b44cSVille Syrjälä plane->crtc = NULL; 1809e5e3b44cSVille Syrjälä plane->fb = NULL; 18106c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 18118cf5c917SJesse Barnes goto out; 18128cf5c917SJesse Barnes } 18138cf5c917SJesse Barnes 18148cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->crtc_id, 18158cf5c917SJesse Barnes DRM_MODE_OBJECT_CRTC); 18168cf5c917SJesse Barnes if (!obj) { 18178cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown crtc ID %d\n", 18188cf5c917SJesse Barnes plane_req->crtc_id); 18198cf5c917SJesse Barnes ret = -ENOENT; 18208cf5c917SJesse Barnes goto out; 18218cf5c917SJesse Barnes } 18228cf5c917SJesse Barnes crtc = obj_to_crtc(obj); 18238cf5c917SJesse Barnes 1824786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 1825786b99edSDaniel Vetter if (!fb) { 18268cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 18278cf5c917SJesse Barnes plane_req->fb_id); 18288cf5c917SJesse Barnes ret = -ENOENT; 18298cf5c917SJesse Barnes goto out; 18308cf5c917SJesse Barnes } 18318cf5c917SJesse Barnes 183262443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 183362443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 183462443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 183562443be6SVille Syrjälä break; 183662443be6SVille Syrjälä if (i == plane->format_count) { 183762443be6SVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); 183862443be6SVille Syrjälä ret = -EINVAL; 183962443be6SVille Syrjälä goto out; 184062443be6SVille Syrjälä } 184162443be6SVille Syrjälä 184242ef8789SVille Syrjälä fb_width = fb->width << 16; 184342ef8789SVille Syrjälä fb_height = fb->height << 16; 184442ef8789SVille Syrjälä 184542ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 184642ef8789SVille Syrjälä if (plane_req->src_w > fb_width || 184742ef8789SVille Syrjälä plane_req->src_x > fb_width - plane_req->src_w || 184842ef8789SVille Syrjälä plane_req->src_h > fb_height || 184942ef8789SVille Syrjälä plane_req->src_y > fb_height - plane_req->src_h) { 185042ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 185142ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 185242ef8789SVille Syrjälä plane_req->src_w >> 16, 185342ef8789SVille Syrjälä ((plane_req->src_w & 0xffff) * 15625) >> 10, 185442ef8789SVille Syrjälä plane_req->src_h >> 16, 185542ef8789SVille Syrjälä ((plane_req->src_h & 0xffff) * 15625) >> 10, 185642ef8789SVille Syrjälä plane_req->src_x >> 16, 185742ef8789SVille Syrjälä ((plane_req->src_x & 0xffff) * 15625) >> 10, 185842ef8789SVille Syrjälä plane_req->src_y >> 16, 185942ef8789SVille Syrjälä ((plane_req->src_y & 0xffff) * 15625) >> 10); 186042ef8789SVille Syrjälä ret = -ENOSPC; 186142ef8789SVille Syrjälä goto out; 186242ef8789SVille Syrjälä } 186342ef8789SVille Syrjälä 1864687a0400SVille Syrjälä /* Give drivers some help against integer overflows */ 1865687a0400SVille Syrjälä if (plane_req->crtc_w > INT_MAX || 1866687a0400SVille Syrjälä plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 1867687a0400SVille Syrjälä plane_req->crtc_h > INT_MAX || 1868687a0400SVille Syrjälä plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 1869687a0400SVille Syrjälä DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 1870687a0400SVille Syrjälä plane_req->crtc_w, plane_req->crtc_h, 1871687a0400SVille Syrjälä plane_req->crtc_x, plane_req->crtc_y); 1872687a0400SVille Syrjälä ret = -ERANGE; 1873687a0400SVille Syrjälä goto out; 1874687a0400SVille Syrjälä } 1875687a0400SVille Syrjälä 18766c2a7532SDaniel Vetter drm_modeset_lock_all(dev); 18778cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 18788cf5c917SJesse Barnes plane_req->crtc_x, plane_req->crtc_y, 18798cf5c917SJesse Barnes plane_req->crtc_w, plane_req->crtc_h, 18808cf5c917SJesse Barnes plane_req->src_x, plane_req->src_y, 18818cf5c917SJesse Barnes plane_req->src_w, plane_req->src_h); 18828cf5c917SJesse Barnes if (!ret) { 18836c2a7532SDaniel Vetter old_fb = plane->fb; 18848cf5c917SJesse Barnes plane->crtc = crtc; 18858cf5c917SJesse Barnes plane->fb = fb; 188635f8badcSDaniel Vetter fb = NULL; 18878cf5c917SJesse Barnes } 18886c2a7532SDaniel Vetter drm_modeset_unlock_all(dev); 18898cf5c917SJesse Barnes 18908cf5c917SJesse Barnes out: 18916c2a7532SDaniel Vetter if (fb) 18926c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 18936c2a7532SDaniel Vetter if (old_fb) 18946c2a7532SDaniel Vetter drm_framebuffer_unreference(old_fb); 18958cf5c917SJesse Barnes 18968cf5c917SJesse Barnes return ret; 18978cf5c917SJesse Barnes } 18988cf5c917SJesse Barnes 18998cf5c917SJesse Barnes /** 19002d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 19012d13b679SDaniel Vetter * @set: modeset config to set 19022d13b679SDaniel Vetter * 19032d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 19042d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 19052d13b679SDaniel Vetter */ 19062d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 19072d13b679SDaniel Vetter { 19082d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 1909b0d12325SDaniel Vetter struct drm_framebuffer *fb, *old_fb; 1910b0d12325SDaniel Vetter int ret; 19112d13b679SDaniel Vetter 1912b0d12325SDaniel Vetter old_fb = crtc->fb; 1913b0d12325SDaniel Vetter fb = set->fb; 1914b0d12325SDaniel Vetter 1915b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 1916b0d12325SDaniel Vetter if (ret == 0) { 1917b0d12325SDaniel Vetter if (old_fb) 1918b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 1919b0d12325SDaniel Vetter if (fb) 1920b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 1921b0d12325SDaniel Vetter } 1922b0d12325SDaniel Vetter 1923b0d12325SDaniel Vetter return ret; 19242d13b679SDaniel Vetter } 19252d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 19262d13b679SDaniel Vetter 19272d13b679SDaniel Vetter /** 1928f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1929065a50edSDaniel Vetter * @dev: drm device for the ioctl 1930065a50edSDaniel Vetter * @data: data pointer for the ioctl 1931065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1932f453ba04SDave Airlie * 1933f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1934f453ba04SDave Airlie * 1935f453ba04SDave Airlie * Called by the user via ioctl. 1936f453ba04SDave Airlie * 1937f453ba04SDave Airlie * RETURNS: 1938f453ba04SDave Airlie * Zero on success, errno on failure. 1939f453ba04SDave Airlie */ 1940f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1941f453ba04SDave Airlie struct drm_file *file_priv) 1942f453ba04SDave Airlie { 1943f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1944f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1945f453ba04SDave Airlie struct drm_mode_object *obj; 19466653cc8dSVille Syrjälä struct drm_crtc *crtc; 1947f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1948f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1949f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1950f453ba04SDave Airlie struct drm_mode_set set; 1951f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 19524a1b0714SLaurent Pinchart int ret; 1953f453ba04SDave Airlie int i; 1954f453ba04SDave Airlie 1955fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1956fb3b06c8SDave Airlie return -EINVAL; 1957fb3b06c8SDave Airlie 19581d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 19591d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 19601d97e915SVille Syrjälä return -ERANGE; 19611d97e915SVille Syrjälä 196284849903SDaniel Vetter drm_modeset_lock_all(dev); 1963f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1964f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1965f453ba04SDave Airlie if (!obj) { 196658367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1967f453ba04SDave Airlie ret = -EINVAL; 1968f453ba04SDave Airlie goto out; 1969f453ba04SDave Airlie } 1970f453ba04SDave Airlie crtc = obj_to_crtc(obj); 19719440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1972f453ba04SDave Airlie 1973f453ba04SDave Airlie if (crtc_req->mode_valid) { 19747c80e128SRob Clark int hdisplay, vdisplay; 1975f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 1976f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 1977f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 19786653cc8dSVille Syrjälä if (!crtc->fb) { 19796653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 19806653cc8dSVille Syrjälä ret = -EINVAL; 19816653cc8dSVille Syrjälä goto out; 19826653cc8dSVille Syrjälä } 1983f453ba04SDave Airlie fb = crtc->fb; 1984b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 1985b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 1986f453ba04SDave Airlie } else { 1987786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 1988786b99edSDaniel Vetter if (!fb) { 198958367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 199058367ed6SZhao Yakui crtc_req->fb_id); 1991f453ba04SDave Airlie ret = -EINVAL; 1992f453ba04SDave Airlie goto out; 1993f453ba04SDave Airlie } 1994f453ba04SDave Airlie } 1995f453ba04SDave Airlie 1996f453ba04SDave Airlie mode = drm_mode_create(dev); 1997ee34ab5bSVille Syrjälä if (!mode) { 1998ee34ab5bSVille Syrjälä ret = -ENOMEM; 1999ee34ab5bSVille Syrjälä goto out; 2000ee34ab5bSVille Syrjälä } 2001ee34ab5bSVille Syrjälä 200290367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 200390367bf6SVille Syrjälä if (ret) { 200490367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 200590367bf6SVille Syrjälä goto out; 200690367bf6SVille Syrjälä } 200790367bf6SVille Syrjälä 2008f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 20095f61bb42SVille Syrjälä 20107c80e128SRob Clark hdisplay = mode->hdisplay; 20117c80e128SRob Clark vdisplay = mode->vdisplay; 20127c80e128SRob Clark 20137c80e128SRob Clark if (crtc->invert_dimensions) 20147c80e128SRob Clark swap(hdisplay, vdisplay); 20157c80e128SRob Clark 20167c80e128SRob Clark if (hdisplay > fb->width || 20177c80e128SRob Clark vdisplay > fb->height || 20187c80e128SRob Clark crtc_req->x > fb->width - hdisplay || 20197c80e128SRob Clark crtc_req->y > fb->height - vdisplay) { 20207c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 20217c80e128SRob Clark fb->width, fb->height, 20227c80e128SRob Clark hdisplay, vdisplay, crtc_req->x, crtc_req->y, 20237c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 20245f61bb42SVille Syrjälä ret = -ENOSPC; 20255f61bb42SVille Syrjälä goto out; 20265f61bb42SVille Syrjälä } 2027f453ba04SDave Airlie } 2028f453ba04SDave Airlie 2029f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 203058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2031f453ba04SDave Airlie ret = -EINVAL; 2032f453ba04SDave Airlie goto out; 2033f453ba04SDave Airlie } 2034f453ba04SDave Airlie 20357781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 203658367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2037f453ba04SDave Airlie crtc_req->count_connectors); 2038f453ba04SDave Airlie ret = -EINVAL; 2039f453ba04SDave Airlie goto out; 2040f453ba04SDave Airlie } 2041f453ba04SDave Airlie 2042f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2043f453ba04SDave Airlie u32 out_id; 2044f453ba04SDave Airlie 2045f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2046f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2047f453ba04SDave Airlie ret = -EINVAL; 2048f453ba04SDave Airlie goto out; 2049f453ba04SDave Airlie } 2050f453ba04SDave Airlie 2051f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 2052f453ba04SDave Airlie sizeof(struct drm_connector *), 2053f453ba04SDave Airlie GFP_KERNEL); 2054f453ba04SDave Airlie if (!connector_set) { 2055f453ba04SDave Airlie ret = -ENOMEM; 2056f453ba04SDave Airlie goto out; 2057f453ba04SDave Airlie } 2058f453ba04SDave Airlie 2059f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 206081f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2061f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2062f453ba04SDave Airlie ret = -EFAULT; 2063f453ba04SDave Airlie goto out; 2064f453ba04SDave Airlie } 2065f453ba04SDave Airlie 2066f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 2067f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 2068f453ba04SDave Airlie if (!obj) { 206958367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 207058367ed6SZhao Yakui out_id); 2071f453ba04SDave Airlie ret = -EINVAL; 2072f453ba04SDave Airlie goto out; 2073f453ba04SDave Airlie } 2074f453ba04SDave Airlie connector = obj_to_connector(obj); 20759440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 20769440106bSJerome Glisse connector->base.id, 20779440106bSJerome Glisse drm_get_connector_name(connector)); 2078f453ba04SDave Airlie 2079f453ba04SDave Airlie connector_set[i] = connector; 2080f453ba04SDave Airlie } 2081f453ba04SDave Airlie } 2082f453ba04SDave Airlie 2083f453ba04SDave Airlie set.crtc = crtc; 2084f453ba04SDave Airlie set.x = crtc_req->x; 2085f453ba04SDave Airlie set.y = crtc_req->y; 2086f453ba04SDave Airlie set.mode = mode; 2087f453ba04SDave Airlie set.connectors = connector_set; 2088f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2089f453ba04SDave Airlie set.fb = fb; 20902d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2091f453ba04SDave Airlie 2092f453ba04SDave Airlie out: 2093b0d12325SDaniel Vetter if (fb) 2094b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2095b0d12325SDaniel Vetter 2096f453ba04SDave Airlie kfree(connector_set); 2097ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 209884849903SDaniel Vetter drm_modeset_unlock_all(dev); 2099f453ba04SDave Airlie return ret; 2100f453ba04SDave Airlie } 2101f453ba04SDave Airlie 2102f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 2103f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2104f453ba04SDave Airlie { 2105f453ba04SDave Airlie struct drm_mode_cursor *req = data; 2106f453ba04SDave Airlie struct drm_mode_object *obj; 2107f453ba04SDave Airlie struct drm_crtc *crtc; 2108f453ba04SDave Airlie int ret = 0; 2109f453ba04SDave Airlie 2110fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2111fb3b06c8SDave Airlie return -EINVAL; 2112fb3b06c8SDave Airlie 21137c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2114f453ba04SDave Airlie return -EINVAL; 2115f453ba04SDave Airlie 2116e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 2117f453ba04SDave Airlie if (!obj) { 211858367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2119dac35663SDaniel Vetter return -EINVAL; 2120f453ba04SDave Airlie } 2121f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2122f453ba04SDave Airlie 2123dac35663SDaniel Vetter mutex_lock(&crtc->mutex); 2124f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 2125f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 2126f453ba04SDave Airlie ret = -ENXIO; 2127f453ba04SDave Airlie goto out; 2128f453ba04SDave Airlie } 2129f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 2130f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2131f453ba04SDave Airlie req->width, req->height); 2132f453ba04SDave Airlie } 2133f453ba04SDave Airlie 2134f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2135f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2136f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2137f453ba04SDave Airlie } else { 2138f453ba04SDave Airlie ret = -EFAULT; 2139f453ba04SDave Airlie goto out; 2140f453ba04SDave Airlie } 2141f453ba04SDave Airlie } 2142f453ba04SDave Airlie out: 2143dac35663SDaniel Vetter mutex_unlock(&crtc->mutex); 2144dac35663SDaniel Vetter 2145f453ba04SDave Airlie return ret; 2146f453ba04SDave Airlie } 2147f453ba04SDave Airlie 2148308e5bcbSJesse Barnes /* Original addfb only supported RGB formats, so figure out which one */ 2149308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2150308e5bcbSJesse Barnes { 2151308e5bcbSJesse Barnes uint32_t fmt; 2152308e5bcbSJesse Barnes 2153308e5bcbSJesse Barnes switch (bpp) { 2154308e5bcbSJesse Barnes case 8: 2155d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 2156308e5bcbSJesse Barnes break; 2157308e5bcbSJesse Barnes case 16: 2158308e5bcbSJesse Barnes if (depth == 15) 215904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2160308e5bcbSJesse Barnes else 216104b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2162308e5bcbSJesse Barnes break; 2163308e5bcbSJesse Barnes case 24: 216404b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2165308e5bcbSJesse Barnes break; 2166308e5bcbSJesse Barnes case 32: 2167308e5bcbSJesse Barnes if (depth == 24) 216804b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2169308e5bcbSJesse Barnes else if (depth == 30) 217004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2171308e5bcbSJesse Barnes else 217204b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2173308e5bcbSJesse Barnes break; 2174308e5bcbSJesse Barnes default: 217504b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 217604b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2177308e5bcbSJesse Barnes break; 2178308e5bcbSJesse Barnes } 2179308e5bcbSJesse Barnes 2180308e5bcbSJesse Barnes return fmt; 2181308e5bcbSJesse Barnes } 2182308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2183308e5bcbSJesse Barnes 2184f453ba04SDave Airlie /** 2185f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2186065a50edSDaniel Vetter * @dev: drm device for the ioctl 2187065a50edSDaniel Vetter * @data: data pointer for the ioctl 2188065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2189f453ba04SDave Airlie * 2190f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 2191f453ba04SDave Airlie * 2192f453ba04SDave Airlie * Called by the user via ioctl. 2193f453ba04SDave Airlie * 2194f453ba04SDave Airlie * RETURNS: 2195f453ba04SDave Airlie * Zero on success, errno on failure. 2196f453ba04SDave Airlie */ 2197f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2198f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2199f453ba04SDave Airlie { 2200308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2201308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2202308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2203308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2204308e5bcbSJesse Barnes int ret = 0; 2205308e5bcbSJesse Barnes 2206308e5bcbSJesse Barnes /* Use new struct with format internally */ 2207308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2208308e5bcbSJesse Barnes r.width = or->width; 2209308e5bcbSJesse Barnes r.height = or->height; 2210308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2211308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2212308e5bcbSJesse Barnes r.handles[0] = or->handle; 2213308e5bcbSJesse Barnes 2214308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2215308e5bcbSJesse Barnes return -EINVAL; 2216308e5bcbSJesse Barnes 2217acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2218308e5bcbSJesse Barnes return -EINVAL; 2219acb4b992SJesse Barnes 2220acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2221308e5bcbSJesse Barnes return -EINVAL; 2222308e5bcbSJesse Barnes 2223308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2224308e5bcbSJesse Barnes if (IS_ERR(fb)) { 22251aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 22264b096ac1SDaniel Vetter return PTR_ERR(fb); 2227308e5bcbSJesse Barnes } 2228308e5bcbSJesse Barnes 22294b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2230308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2231308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2232308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 22334b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 22344b096ac1SDaniel Vetter 2235308e5bcbSJesse Barnes return ret; 2236308e5bcbSJesse Barnes } 2237308e5bcbSJesse Barnes 2238cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2239935b5977SVille Syrjälä { 2240935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2241935b5977SVille Syrjälä 2242935b5977SVille Syrjälä switch (format) { 2243935b5977SVille Syrjälä case DRM_FORMAT_C8: 2244935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2245935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2246935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2247935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2248935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2249935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2250935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2251935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2252935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2253935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2254935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2255935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2256935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 2257935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 2258935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 2259935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 2260935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 2261935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 2262935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 2263935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 2264935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 2265935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 2266935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 2267935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 2268935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 2269935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 2270935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 2271935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 2272935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 2273935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 2274935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 2275935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 2276935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 2277935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 2278935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 2279935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 2280935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 2281935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 2282935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 2283935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 2284935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 2285935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 2286935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 2287935b5977SVille Syrjälä case DRM_FORMAT_NV12: 2288935b5977SVille Syrjälä case DRM_FORMAT_NV21: 2289935b5977SVille Syrjälä case DRM_FORMAT_NV16: 2290935b5977SVille Syrjälä case DRM_FORMAT_NV61: 2291ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 2292ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 2293935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 2294935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 2295935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 2296935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 2297935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 2298935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 2299935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 2300935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 2301935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 2302935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 2303935b5977SVille Syrjälä return 0; 2304935b5977SVille Syrjälä default: 2305935b5977SVille Syrjälä return -EINVAL; 2306935b5977SVille Syrjälä } 2307935b5977SVille Syrjälä } 2308935b5977SVille Syrjälä 2309cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 2310d1b45d5fSVille Syrjälä { 2311d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 2312d1b45d5fSVille Syrjälä 2313d1b45d5fSVille Syrjälä ret = format_check(r); 2314d1b45d5fSVille Syrjälä if (ret) { 23151aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); 2316d1b45d5fSVille Syrjälä return ret; 2317d1b45d5fSVille Syrjälä } 2318d1b45d5fSVille Syrjälä 2319d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 2320d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 2321d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 2322d1b45d5fSVille Syrjälä 2323d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 23241aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 2325d1b45d5fSVille Syrjälä return -EINVAL; 2326d1b45d5fSVille Syrjälä } 2327d1b45d5fSVille Syrjälä 2328d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 23291aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 2330d1b45d5fSVille Syrjälä return -EINVAL; 2331d1b45d5fSVille Syrjälä } 2332d1b45d5fSVille Syrjälä 2333d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 2334d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 2335b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 2336b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 2337d1b45d5fSVille Syrjälä 2338d1b45d5fSVille Syrjälä if (!r->handles[i]) { 23391aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 2340d1b45d5fSVille Syrjälä return -EINVAL; 2341d1b45d5fSVille Syrjälä } 2342d1b45d5fSVille Syrjälä 2343b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 2344b180b5d1SVille Syrjälä return -ERANGE; 2345b180b5d1SVille Syrjälä 2346b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 2347b180b5d1SVille Syrjälä return -ERANGE; 2348b180b5d1SVille Syrjälä 2349b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 23501aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 2351d1b45d5fSVille Syrjälä return -EINVAL; 2352d1b45d5fSVille Syrjälä } 2353d1b45d5fSVille Syrjälä } 2354d1b45d5fSVille Syrjälä 2355d1b45d5fSVille Syrjälä return 0; 2356d1b45d5fSVille Syrjälä } 2357d1b45d5fSVille Syrjälä 2358308e5bcbSJesse Barnes /** 2359308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 2360065a50edSDaniel Vetter * @dev: drm device for the ioctl 2361065a50edSDaniel Vetter * @data: data pointer for the ioctl 2362065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2363308e5bcbSJesse Barnes * 2364308e5bcbSJesse Barnes * Add a new FB to the specified CRTC, given a user request with format. 2365308e5bcbSJesse Barnes * 2366308e5bcbSJesse Barnes * Called by the user via ioctl. 2367308e5bcbSJesse Barnes * 2368308e5bcbSJesse Barnes * RETURNS: 2369308e5bcbSJesse Barnes * Zero on success, errno on failure. 2370308e5bcbSJesse Barnes */ 2371308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 2372308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 2373308e5bcbSJesse Barnes { 2374308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 *r = data; 2375f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2376f453ba04SDave Airlie struct drm_framebuffer *fb; 23774a1b0714SLaurent Pinchart int ret; 2378f453ba04SDave Airlie 2379fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2380fb3b06c8SDave Airlie return -EINVAL; 2381fb3b06c8SDave Airlie 2382e3cc3520SVille Syrjälä if (r->flags & ~DRM_MODE_FB_INTERLACED) { 2383e3cc3520SVille Syrjälä DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 2384e3cc3520SVille Syrjälä return -EINVAL; 2385e3cc3520SVille Syrjälä } 2386e3cc3520SVille Syrjälä 2387f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 23881aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 23898cf5c917SJesse Barnes r->width, config->min_width, config->max_width); 2390f453ba04SDave Airlie return -EINVAL; 2391f453ba04SDave Airlie } 2392f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 23931aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 23948cf5c917SJesse Barnes r->height, config->min_height, config->max_height); 2395f453ba04SDave Airlie return -EINVAL; 2396f453ba04SDave Airlie } 2397f453ba04SDave Airlie 2398d1b45d5fSVille Syrjälä ret = framebuffer_check(r); 2399d1b45d5fSVille Syrjälä if (ret) 2400935b5977SVille Syrjälä return ret; 2401935b5977SVille Syrjälä 2402f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 2403cce13ff7SChris Wilson if (IS_ERR(fb)) { 24041aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 24054b096ac1SDaniel Vetter return PTR_ERR(fb); 2406f453ba04SDave Airlie } 2407f453ba04SDave Airlie 24084b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2409e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 2410f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 24119440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 24124b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2413f453ba04SDave Airlie 24144b096ac1SDaniel Vetter 2415f453ba04SDave Airlie return ret; 2416f453ba04SDave Airlie } 2417f453ba04SDave Airlie 2418f453ba04SDave Airlie /** 2419f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 2420065a50edSDaniel Vetter * @dev: drm device for the ioctl 2421065a50edSDaniel Vetter * @data: data pointer for the ioctl 2422065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2423f453ba04SDave Airlie * 2424f453ba04SDave Airlie * Remove the FB specified by the user. 2425f453ba04SDave Airlie * 2426f453ba04SDave Airlie * Called by the user via ioctl. 2427f453ba04SDave Airlie * 2428f453ba04SDave Airlie * RETURNS: 2429f453ba04SDave Airlie * Zero on success, errno on failure. 2430f453ba04SDave Airlie */ 2431f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 2432f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2433f453ba04SDave Airlie { 2434f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2435f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 2436f453ba04SDave Airlie uint32_t *id = data; 2437f453ba04SDave Airlie int found = 0; 2438f453ba04SDave Airlie 2439fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2440fb3b06c8SDave Airlie return -EINVAL; 2441fb3b06c8SDave Airlie 24424b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 24432b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 24442b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 24452b677e8cSDaniel Vetter if (!fb) 24462b677e8cSDaniel Vetter goto fail_lookup; 24472b677e8cSDaniel Vetter 2448f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2449f453ba04SDave Airlie if (fb == fbl) 2450f453ba04SDave Airlie found = 1; 24512b677e8cSDaniel Vetter if (!found) 24522b677e8cSDaniel Vetter goto fail_lookup; 24532b677e8cSDaniel Vetter 24542b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 24552b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 2456f453ba04SDave Airlie 24574b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 24582b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 24594b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 2460f453ba04SDave Airlie 24614b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 24624b096ac1SDaniel Vetter 24632b677e8cSDaniel Vetter return 0; 24642b677e8cSDaniel Vetter 24652b677e8cSDaniel Vetter fail_lookup: 24662b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 24672b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 24682b677e8cSDaniel Vetter 24692b677e8cSDaniel Vetter return -EINVAL; 2470f453ba04SDave Airlie } 2471f453ba04SDave Airlie 2472f453ba04SDave Airlie /** 2473f453ba04SDave Airlie * drm_mode_getfb - get FB info 2474065a50edSDaniel Vetter * @dev: drm device for the ioctl 2475065a50edSDaniel Vetter * @data: data pointer for the ioctl 2476065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2477f453ba04SDave Airlie * 2478f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 2479f453ba04SDave Airlie * 2480f453ba04SDave Airlie * Called by the user via ioctl. 2481f453ba04SDave Airlie * 2482f453ba04SDave Airlie * RETURNS: 2483f453ba04SDave Airlie * Zero on success, errno on failure. 2484f453ba04SDave Airlie */ 2485f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 2486f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2487f453ba04SDave Airlie { 2488f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 2489f453ba04SDave Airlie struct drm_framebuffer *fb; 249058c0dca1SDaniel Vetter int ret; 2491f453ba04SDave Airlie 2492fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2493fb3b06c8SDave Airlie return -EINVAL; 2494fb3b06c8SDave Airlie 2495786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 249658c0dca1SDaniel Vetter if (!fb) 249758c0dca1SDaniel Vetter return -EINVAL; 2498f453ba04SDave Airlie 2499f453ba04SDave Airlie r->height = fb->height; 2500f453ba04SDave Airlie r->width = fb->width; 2501f453ba04SDave Airlie r->depth = fb->depth; 2502f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 250301f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 2504af26ef3bSDaniel Vetter if (fb->funcs->create_handle) 2505af26ef3bSDaniel Vetter ret = fb->funcs->create_handle(fb, file_priv, &r->handle); 2506af26ef3bSDaniel Vetter else 2507af26ef3bSDaniel Vetter ret = -ENODEV; 2508f453ba04SDave Airlie 250958c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 251058c0dca1SDaniel Vetter 2511f453ba04SDave Airlie return ret; 2512f453ba04SDave Airlie } 2513f453ba04SDave Airlie 2514884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2515884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 2516884840aaSJakob Bornecrantz { 2517884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 2518884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 2519884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 2520884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 2521884840aaSJakob Bornecrantz unsigned flags; 2522884840aaSJakob Bornecrantz int num_clips; 25234a1b0714SLaurent Pinchart int ret; 2524884840aaSJakob Bornecrantz 2525fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2526fb3b06c8SDave Airlie return -EINVAL; 2527fb3b06c8SDave Airlie 2528786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 25294ccf097fSDaniel Vetter if (!fb) 25304ccf097fSDaniel Vetter return -EINVAL; 2531884840aaSJakob Bornecrantz 2532884840aaSJakob Bornecrantz num_clips = r->num_clips; 253381f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 2534884840aaSJakob Bornecrantz 2535884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 2536884840aaSJakob Bornecrantz ret = -EINVAL; 2537884840aaSJakob Bornecrantz goto out_err1; 2538884840aaSJakob Bornecrantz } 2539884840aaSJakob Bornecrantz 2540884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2541884840aaSJakob Bornecrantz 2542884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 2543884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2544884840aaSJakob Bornecrantz ret = -EINVAL; 2545884840aaSJakob Bornecrantz goto out_err1; 2546884840aaSJakob Bornecrantz } 2547884840aaSJakob Bornecrantz 2548884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 2549a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2550a5cd3351SXi Wang ret = -EINVAL; 2551a5cd3351SXi Wang goto out_err1; 2552a5cd3351SXi Wang } 2553884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 2554884840aaSJakob Bornecrantz if (!clips) { 2555884840aaSJakob Bornecrantz ret = -ENOMEM; 2556884840aaSJakob Bornecrantz goto out_err1; 2557884840aaSJakob Bornecrantz } 2558884840aaSJakob Bornecrantz 2559884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 2560884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 2561e902a358SDan Carpenter if (ret) { 2562e902a358SDan Carpenter ret = -EFAULT; 2563884840aaSJakob Bornecrantz goto out_err2; 2564884840aaSJakob Bornecrantz } 2565e902a358SDan Carpenter } 2566884840aaSJakob Bornecrantz 2567884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 25684ccf097fSDaniel Vetter drm_modeset_lock_all(dev); 256902b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 257002b00162SThomas Hellstrom clips, num_clips); 25714ccf097fSDaniel Vetter drm_modeset_unlock_all(dev); 2572884840aaSJakob Bornecrantz } else { 2573884840aaSJakob Bornecrantz ret = -ENOSYS; 2574884840aaSJakob Bornecrantz } 2575884840aaSJakob Bornecrantz 2576884840aaSJakob Bornecrantz out_err2: 2577884840aaSJakob Bornecrantz kfree(clips); 2578884840aaSJakob Bornecrantz out_err1: 25794ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 25804ccf097fSDaniel Vetter 2581884840aaSJakob Bornecrantz return ret; 2582884840aaSJakob Bornecrantz } 2583884840aaSJakob Bornecrantz 2584884840aaSJakob Bornecrantz 2585f453ba04SDave Airlie /** 2586f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 2587065a50edSDaniel Vetter * @priv: drm file for the ioctl 2588f453ba04SDave Airlie * 2589f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 2590f453ba04SDave Airlie * 2591f453ba04SDave Airlie * Called by the user via ioctl. 2592f453ba04SDave Airlie * 2593f453ba04SDave Airlie * RETURNS: 2594f453ba04SDave Airlie * Zero on success, errno on failure. 2595f453ba04SDave Airlie */ 2596ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 2597f453ba04SDave Airlie { 2598f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 2599f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 2600f453ba04SDave Airlie 26014b096ac1SDaniel Vetter mutex_lock(&priv->fbs_lock); 2602f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 26032b677e8cSDaniel Vetter 26042b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 26052b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 26062b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 26072b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 26082b677e8cSDaniel Vetter 26094b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 26102b677e8cSDaniel Vetter 26112b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 2612f7eff60eSRob Clark drm_framebuffer_remove(fb); 2613f453ba04SDave Airlie } 26144b096ac1SDaniel Vetter mutex_unlock(&priv->fbs_lock); 2615f453ba04SDave Airlie } 2616f453ba04SDave Airlie 2617f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2618f453ba04SDave Airlie const char *name, int num_values) 2619f453ba04SDave Airlie { 2620f453ba04SDave Airlie struct drm_property *property = NULL; 26216bfc56aaSVille Syrjälä int ret; 2622f453ba04SDave Airlie 2623f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2624f453ba04SDave Airlie if (!property) 2625f453ba04SDave Airlie return NULL; 2626f453ba04SDave Airlie 2627f453ba04SDave Airlie if (num_values) { 2628f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2629f453ba04SDave Airlie if (!property->values) 2630f453ba04SDave Airlie goto fail; 2631f453ba04SDave Airlie } 2632f453ba04SDave Airlie 26336bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 26346bfc56aaSVille Syrjälä if (ret) 26356bfc56aaSVille Syrjälä goto fail; 26366bfc56aaSVille Syrjälä 2637f453ba04SDave Airlie property->flags = flags; 2638f453ba04SDave Airlie property->num_values = num_values; 2639f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2640f453ba04SDave Airlie 2641471dd2efSVinson Lee if (name) { 2642f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2643471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2644471dd2efSVinson Lee } 2645f453ba04SDave Airlie 2646f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2647f453ba04SDave Airlie return property; 2648f453ba04SDave Airlie fail: 26496bfc56aaSVille Syrjälä kfree(property->values); 2650f453ba04SDave Airlie kfree(property); 2651f453ba04SDave Airlie return NULL; 2652f453ba04SDave Airlie } 2653f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2654f453ba04SDave Airlie 26554a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 26564a67d391SSascha Hauer const char *name, 26574a67d391SSascha Hauer const struct drm_prop_enum_list *props, 26584a67d391SSascha Hauer int num_values) 26594a67d391SSascha Hauer { 26604a67d391SSascha Hauer struct drm_property *property; 26614a67d391SSascha Hauer int i, ret; 26624a67d391SSascha Hauer 26634a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 26644a67d391SSascha Hauer 26654a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 26664a67d391SSascha Hauer if (!property) 26674a67d391SSascha Hauer return NULL; 26684a67d391SSascha Hauer 26694a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 26704a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 26714a67d391SSascha Hauer props[i].type, 26724a67d391SSascha Hauer props[i].name); 26734a67d391SSascha Hauer if (ret) { 26744a67d391SSascha Hauer drm_property_destroy(dev, property); 26754a67d391SSascha Hauer return NULL; 26764a67d391SSascha Hauer } 26774a67d391SSascha Hauer } 26784a67d391SSascha Hauer 26794a67d391SSascha Hauer return property; 26804a67d391SSascha Hauer } 26814a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 26824a67d391SSascha Hauer 268349e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 268449e27545SRob Clark int flags, const char *name, 268549e27545SRob Clark const struct drm_prop_enum_list *props, 268649e27545SRob Clark int num_values) 268749e27545SRob Clark { 268849e27545SRob Clark struct drm_property *property; 268949e27545SRob Clark int i, ret; 269049e27545SRob Clark 269149e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 269249e27545SRob Clark 269349e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 269449e27545SRob Clark if (!property) 269549e27545SRob Clark return NULL; 269649e27545SRob Clark 269749e27545SRob Clark for (i = 0; i < num_values; i++) { 269849e27545SRob Clark ret = drm_property_add_enum(property, i, 269949e27545SRob Clark props[i].type, 270049e27545SRob Clark props[i].name); 270149e27545SRob Clark if (ret) { 270249e27545SRob Clark drm_property_destroy(dev, property); 270349e27545SRob Clark return NULL; 270449e27545SRob Clark } 270549e27545SRob Clark } 270649e27545SRob Clark 270749e27545SRob Clark return property; 270849e27545SRob Clark } 270949e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 271049e27545SRob Clark 2711d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2712d9bc3c02SSascha Hauer const char *name, 2713d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 2714d9bc3c02SSascha Hauer { 2715d9bc3c02SSascha Hauer struct drm_property *property; 2716d9bc3c02SSascha Hauer 2717d9bc3c02SSascha Hauer flags |= DRM_MODE_PROP_RANGE; 2718d9bc3c02SSascha Hauer 2719d9bc3c02SSascha Hauer property = drm_property_create(dev, flags, name, 2); 2720d9bc3c02SSascha Hauer if (!property) 2721d9bc3c02SSascha Hauer return NULL; 2722d9bc3c02SSascha Hauer 2723d9bc3c02SSascha Hauer property->values[0] = min; 2724d9bc3c02SSascha Hauer property->values[1] = max; 2725d9bc3c02SSascha Hauer 2726d9bc3c02SSascha Hauer return property; 2727d9bc3c02SSascha Hauer } 2728d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 2729d9bc3c02SSascha Hauer 2730f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2731f453ba04SDave Airlie uint64_t value, const char *name) 2732f453ba04SDave Airlie { 2733f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2734f453ba04SDave Airlie 273549e27545SRob Clark if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 273649e27545SRob Clark return -EINVAL; 273749e27545SRob Clark 273849e27545SRob Clark /* 273949e27545SRob Clark * Bitmask enum properties have the additional constraint of values 274049e27545SRob Clark * from 0 to 63 274149e27545SRob Clark */ 274249e27545SRob Clark if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) 2743f453ba04SDave Airlie return -EINVAL; 2744f453ba04SDave Airlie 2745f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2746f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2747f453ba04SDave Airlie if (prop_enum->value == value) { 2748f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2749f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2750f453ba04SDave Airlie return 0; 2751f453ba04SDave Airlie } 2752f453ba04SDave Airlie } 2753f453ba04SDave Airlie } 2754f453ba04SDave Airlie 2755f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 2756f453ba04SDave Airlie if (!prop_enum) 2757f453ba04SDave Airlie return -ENOMEM; 2758f453ba04SDave Airlie 2759f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2760f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2761f453ba04SDave Airlie prop_enum->value = value; 2762f453ba04SDave Airlie 2763f453ba04SDave Airlie property->values[index] = value; 2764f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2765f453ba04SDave Airlie return 0; 2766f453ba04SDave Airlie } 2767f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2768f453ba04SDave Airlie 2769f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2770f453ba04SDave Airlie { 2771f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2772f453ba04SDave Airlie 2773f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2774f453ba04SDave Airlie list_del(&prop_enum->head); 2775f453ba04SDave Airlie kfree(prop_enum); 2776f453ba04SDave Airlie } 2777f453ba04SDave Airlie 2778f453ba04SDave Airlie if (property->num_values) 2779f453ba04SDave Airlie kfree(property->values); 2780f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2781f453ba04SDave Airlie list_del(&property->head); 2782f453ba04SDave Airlie kfree(property); 2783f453ba04SDave Airlie } 2784f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2785f453ba04SDave Airlie 2786c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 2787c543188aSPaulo Zanoni struct drm_property *property, 2788c543188aSPaulo Zanoni uint64_t init_val) 2789c543188aSPaulo Zanoni { 27907f88a9beSPaulo Zanoni int count = obj->properties->count; 2791c543188aSPaulo Zanoni 27927f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 27937f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 27947f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 27957f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 27967f88a9beSPaulo Zanoni obj->type); 2797c543188aSPaulo Zanoni return; 2798c543188aSPaulo Zanoni } 2799c543188aSPaulo Zanoni 28007f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 28017f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 28027f88a9beSPaulo Zanoni obj->properties->count++; 2803c543188aSPaulo Zanoni } 2804c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 2805c543188aSPaulo Zanoni 2806c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 2807c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 2808c543188aSPaulo Zanoni { 2809c543188aSPaulo Zanoni int i; 2810c543188aSPaulo Zanoni 28117f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2812c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2813c543188aSPaulo Zanoni obj->properties->values[i] = val; 2814c543188aSPaulo Zanoni return 0; 2815c543188aSPaulo Zanoni } 2816c543188aSPaulo Zanoni } 2817c543188aSPaulo Zanoni 2818c543188aSPaulo Zanoni return -EINVAL; 2819c543188aSPaulo Zanoni } 2820c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 2821c543188aSPaulo Zanoni 2822c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 2823c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 2824c543188aSPaulo Zanoni { 2825c543188aSPaulo Zanoni int i; 2826c543188aSPaulo Zanoni 28277f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2828c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2829c543188aSPaulo Zanoni *val = obj->properties->values[i]; 2830c543188aSPaulo Zanoni return 0; 2831c543188aSPaulo Zanoni } 2832c543188aSPaulo Zanoni } 2833c543188aSPaulo Zanoni 2834c543188aSPaulo Zanoni return -EINVAL; 2835c543188aSPaulo Zanoni } 2836c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 2837c543188aSPaulo Zanoni 2838f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2839f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2840f453ba04SDave Airlie { 2841f453ba04SDave Airlie struct drm_mode_object *obj; 2842f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2843f453ba04SDave Airlie struct drm_property *property; 2844f453ba04SDave Airlie int enum_count = 0; 2845f453ba04SDave Airlie int blob_count = 0; 2846f453ba04SDave Airlie int value_count = 0; 2847f453ba04SDave Airlie int ret = 0, i; 2848f453ba04SDave Airlie int copied; 2849f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2850f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2851f453ba04SDave Airlie struct drm_property_blob *prop_blob; 285281f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 2853f453ba04SDave Airlie uint64_t __user *values_ptr; 2854f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2855f453ba04SDave Airlie 2856fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2857fb3b06c8SDave Airlie return -EINVAL; 2858fb3b06c8SDave Airlie 285984849903SDaniel Vetter drm_modeset_lock_all(dev); 2860f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2861f453ba04SDave Airlie if (!obj) { 2862f453ba04SDave Airlie ret = -EINVAL; 2863f453ba04SDave Airlie goto done; 2864f453ba04SDave Airlie } 2865f453ba04SDave Airlie property = obj_to_property(obj); 2866f453ba04SDave Airlie 286749e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2868f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2869f453ba04SDave Airlie enum_count++; 2870f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2871f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2872f453ba04SDave Airlie blob_count++; 2873f453ba04SDave Airlie } 2874f453ba04SDave Airlie 2875f453ba04SDave Airlie value_count = property->num_values; 2876f453ba04SDave Airlie 2877f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2878f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2879f453ba04SDave Airlie out_resp->flags = property->flags; 2880f453ba04SDave Airlie 2881f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 288281f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 2883f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2884f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2885f453ba04SDave Airlie ret = -EFAULT; 2886f453ba04SDave Airlie goto done; 2887f453ba04SDave Airlie } 2888f453ba04SDave Airlie } 2889f453ba04SDave Airlie } 2890f453ba04SDave Airlie out_resp->count_values = value_count; 2891f453ba04SDave Airlie 289249e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2893f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2894f453ba04SDave Airlie copied = 0; 289581f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 2896f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2897f453ba04SDave Airlie 2898f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 2899f453ba04SDave Airlie ret = -EFAULT; 2900f453ba04SDave Airlie goto done; 2901f453ba04SDave Airlie } 2902f453ba04SDave Airlie 2903f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 2904f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 2905f453ba04SDave Airlie ret = -EFAULT; 2906f453ba04SDave Airlie goto done; 2907f453ba04SDave Airlie } 2908f453ba04SDave Airlie copied++; 2909f453ba04SDave Airlie } 2910f453ba04SDave Airlie } 2911f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 2912f453ba04SDave Airlie } 2913f453ba04SDave Airlie 2914f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 2915f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2916f453ba04SDave Airlie copied = 0; 291781f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 291881f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 2919f453ba04SDave Airlie 2920f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2921f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 2922f453ba04SDave Airlie ret = -EFAULT; 2923f453ba04SDave Airlie goto done; 2924f453ba04SDave Airlie } 2925f453ba04SDave Airlie 2926f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 2927f453ba04SDave Airlie ret = -EFAULT; 2928f453ba04SDave Airlie goto done; 2929f453ba04SDave Airlie } 2930f453ba04SDave Airlie 2931f453ba04SDave Airlie copied++; 2932f453ba04SDave Airlie } 2933f453ba04SDave Airlie } 2934f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 2935f453ba04SDave Airlie } 2936f453ba04SDave Airlie done: 293784849903SDaniel Vetter drm_modeset_unlock_all(dev); 2938f453ba04SDave Airlie return ret; 2939f453ba04SDave Airlie } 2940f453ba04SDave Airlie 2941f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 2942f453ba04SDave Airlie void *data) 2943f453ba04SDave Airlie { 2944f453ba04SDave Airlie struct drm_property_blob *blob; 29456bfc56aaSVille Syrjälä int ret; 2946f453ba04SDave Airlie 2947f453ba04SDave Airlie if (!length || !data) 2948f453ba04SDave Airlie return NULL; 2949f453ba04SDave Airlie 2950f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 2951f453ba04SDave Airlie if (!blob) 2952f453ba04SDave Airlie return NULL; 2953f453ba04SDave Airlie 29546bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 29556bfc56aaSVille Syrjälä if (ret) { 29566bfc56aaSVille Syrjälä kfree(blob); 29576bfc56aaSVille Syrjälä return NULL; 29586bfc56aaSVille Syrjälä } 29596bfc56aaSVille Syrjälä 2960f453ba04SDave Airlie blob->length = length; 2961f453ba04SDave Airlie 2962f453ba04SDave Airlie memcpy(blob->data, data, length); 2963f453ba04SDave Airlie 2964f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 2965f453ba04SDave Airlie return blob; 2966f453ba04SDave Airlie } 2967f453ba04SDave Airlie 2968f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 2969f453ba04SDave Airlie struct drm_property_blob *blob) 2970f453ba04SDave Airlie { 2971f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 2972f453ba04SDave Airlie list_del(&blob->head); 2973f453ba04SDave Airlie kfree(blob); 2974f453ba04SDave Airlie } 2975f453ba04SDave Airlie 2976f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 2977f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2978f453ba04SDave Airlie { 2979f453ba04SDave Airlie struct drm_mode_object *obj; 2980f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 2981f453ba04SDave Airlie struct drm_property_blob *blob; 2982f453ba04SDave Airlie int ret = 0; 298381f6c7f8SVille Syrjälä void __user *blob_ptr; 2984f453ba04SDave Airlie 2985fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2986fb3b06c8SDave Airlie return -EINVAL; 2987fb3b06c8SDave Airlie 298884849903SDaniel Vetter drm_modeset_lock_all(dev); 2989f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 2990f453ba04SDave Airlie if (!obj) { 2991f453ba04SDave Airlie ret = -EINVAL; 2992f453ba04SDave Airlie goto done; 2993f453ba04SDave Airlie } 2994f453ba04SDave Airlie blob = obj_to_blob(obj); 2995f453ba04SDave Airlie 2996f453ba04SDave Airlie if (out_resp->length == blob->length) { 299781f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 2998f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 2999f453ba04SDave Airlie ret = -EFAULT; 3000f453ba04SDave Airlie goto done; 3001f453ba04SDave Airlie } 3002f453ba04SDave Airlie } 3003f453ba04SDave Airlie out_resp->length = blob->length; 3004f453ba04SDave Airlie 3005f453ba04SDave Airlie done: 300684849903SDaniel Vetter drm_modeset_unlock_all(dev); 3007f453ba04SDave Airlie return ret; 3008f453ba04SDave Airlie } 3009f453ba04SDave Airlie 3010f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 3011f453ba04SDave Airlie struct edid *edid) 3012f453ba04SDave Airlie { 3013f453ba04SDave Airlie struct drm_device *dev = connector->dev; 30144a1b0714SLaurent Pinchart int ret, size; 3015f453ba04SDave Airlie 3016f453ba04SDave Airlie if (connector->edid_blob_ptr) 3017f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 3018f453ba04SDave Airlie 3019f453ba04SDave Airlie /* Delete edid, when there is none. */ 3020f453ba04SDave Airlie if (!edid) { 3021f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 302258495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 3023f453ba04SDave Airlie return ret; 3024f453ba04SDave Airlie } 3025f453ba04SDave Airlie 30267466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 30277466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 30287466f4ccSAdam Jackson size, edid); 3029e655d122SSachin Kamat if (!connector->edid_blob_ptr) 3030e655d122SSachin Kamat return -EINVAL; 3031f453ba04SDave Airlie 303258495563SRob Clark ret = drm_object_property_set_value(&connector->base, 3033f453ba04SDave Airlie dev->mode_config.edid_property, 3034f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 3035f453ba04SDave Airlie 3036f453ba04SDave Airlie return ret; 3037f453ba04SDave Airlie } 3038f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 3039f453ba04SDave Airlie 304026a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 3041592c20eeSVille Syrjälä uint64_t value) 304226a34815SPaulo Zanoni { 304326a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 304426a34815SPaulo Zanoni return false; 304526a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_RANGE) { 304626a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 304726a34815SPaulo Zanoni return false; 304826a34815SPaulo Zanoni return true; 304949e27545SRob Clark } else if (property->flags & DRM_MODE_PROP_BITMASK) { 305049e27545SRob Clark int i; 3051592c20eeSVille Syrjälä uint64_t valid_mask = 0; 305249e27545SRob Clark for (i = 0; i < property->num_values; i++) 305349e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 305449e27545SRob Clark return !(value & ~valid_mask); 3055c4a56750SVille Syrjälä } else if (property->flags & DRM_MODE_PROP_BLOB) { 3056c4a56750SVille Syrjälä /* Only the driver knows */ 3057c4a56750SVille Syrjälä return true; 305826a34815SPaulo Zanoni } else { 305926a34815SPaulo Zanoni int i; 306026a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 306126a34815SPaulo Zanoni if (property->values[i] == value) 306226a34815SPaulo Zanoni return true; 306326a34815SPaulo Zanoni return false; 306426a34815SPaulo Zanoni } 306526a34815SPaulo Zanoni } 306626a34815SPaulo Zanoni 3067f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3068f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3069f453ba04SDave Airlie { 30700057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 30710057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 30720057d8ddSPaulo Zanoni .value = conn_set_prop->value, 30730057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 30740057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 30750057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 30760057d8ddSPaulo Zanoni }; 3077f453ba04SDave Airlie 30780057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 30790057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 3080f453ba04SDave Airlie } 3081f453ba04SDave Airlie 3082c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 3083c543188aSPaulo Zanoni struct drm_property *property, 3084c543188aSPaulo Zanoni uint64_t value) 3085c543188aSPaulo Zanoni { 3086c543188aSPaulo Zanoni int ret = -EINVAL; 3087c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 3088c543188aSPaulo Zanoni 3089c543188aSPaulo Zanoni /* Do DPMS ourselves */ 3090c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 3091c543188aSPaulo Zanoni if (connector->funcs->dpms) 3092c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 3093c543188aSPaulo Zanoni ret = 0; 3094c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 3095c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 3096c543188aSPaulo Zanoni 3097c543188aSPaulo Zanoni /* store the property value if successful */ 3098c543188aSPaulo Zanoni if (!ret) 309958495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 3100c543188aSPaulo Zanoni return ret; 3101c543188aSPaulo Zanoni } 3102c543188aSPaulo Zanoni 3103bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 3104bffd9de0SPaulo Zanoni struct drm_property *property, 3105bffd9de0SPaulo Zanoni uint64_t value) 3106bffd9de0SPaulo Zanoni { 3107bffd9de0SPaulo Zanoni int ret = -EINVAL; 3108bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 3109bffd9de0SPaulo Zanoni 3110bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 3111bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 3112bffd9de0SPaulo Zanoni if (!ret) 3113bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 3114bffd9de0SPaulo Zanoni 3115bffd9de0SPaulo Zanoni return ret; 3116bffd9de0SPaulo Zanoni } 3117bffd9de0SPaulo Zanoni 31184d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 31194d93914aSRob Clark struct drm_property *property, 31204d93914aSRob Clark uint64_t value) 31214d93914aSRob Clark { 31224d93914aSRob Clark int ret = -EINVAL; 31234d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 31244d93914aSRob Clark 31254d93914aSRob Clark if (plane->funcs->set_property) 31264d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 31274d93914aSRob Clark if (!ret) 31284d93914aSRob Clark drm_object_property_set_value(obj, property, value); 31294d93914aSRob Clark 31304d93914aSRob Clark return ret; 31314d93914aSRob Clark } 31324d93914aSRob Clark 3133c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 3134c543188aSPaulo Zanoni struct drm_file *file_priv) 3135c543188aSPaulo Zanoni { 3136c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 3137c543188aSPaulo Zanoni struct drm_mode_object *obj; 3138c543188aSPaulo Zanoni int ret = 0; 3139c543188aSPaulo Zanoni int i; 3140c543188aSPaulo Zanoni int copied = 0; 3141c543188aSPaulo Zanoni int props_count = 0; 3142c543188aSPaulo Zanoni uint32_t __user *props_ptr; 3143c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 3144c543188aSPaulo Zanoni 3145c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3146c543188aSPaulo Zanoni return -EINVAL; 3147c543188aSPaulo Zanoni 314884849903SDaniel Vetter drm_modeset_lock_all(dev); 3149c543188aSPaulo Zanoni 3150c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3151c543188aSPaulo Zanoni if (!obj) { 3152c543188aSPaulo Zanoni ret = -EINVAL; 3153c543188aSPaulo Zanoni goto out; 3154c543188aSPaulo Zanoni } 3155c543188aSPaulo Zanoni if (!obj->properties) { 3156c543188aSPaulo Zanoni ret = -EINVAL; 3157c543188aSPaulo Zanoni goto out; 3158c543188aSPaulo Zanoni } 3159c543188aSPaulo Zanoni 31607f88a9beSPaulo Zanoni props_count = obj->properties->count; 3161c543188aSPaulo Zanoni 3162c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 3163c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 3164c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 3165c543188aSPaulo Zanoni copied = 0; 3166c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 3167c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 3168c543188aSPaulo Zanoni (arg->prop_values_ptr); 3169c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 3170c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 3171c543188aSPaulo Zanoni props_ptr + copied)) { 3172c543188aSPaulo Zanoni ret = -EFAULT; 3173c543188aSPaulo Zanoni goto out; 3174c543188aSPaulo Zanoni } 3175c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 3176c543188aSPaulo Zanoni prop_values_ptr + copied)) { 3177c543188aSPaulo Zanoni ret = -EFAULT; 3178c543188aSPaulo Zanoni goto out; 3179c543188aSPaulo Zanoni } 3180c543188aSPaulo Zanoni copied++; 3181c543188aSPaulo Zanoni } 3182c543188aSPaulo Zanoni } 3183c543188aSPaulo Zanoni arg->count_props = props_count; 3184c543188aSPaulo Zanoni out: 318584849903SDaniel Vetter drm_modeset_unlock_all(dev); 3186c543188aSPaulo Zanoni return ret; 3187c543188aSPaulo Zanoni } 3188c543188aSPaulo Zanoni 3189c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 3190c543188aSPaulo Zanoni struct drm_file *file_priv) 3191c543188aSPaulo Zanoni { 3192c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 3193c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 3194c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 3195c543188aSPaulo Zanoni struct drm_property *property; 3196c543188aSPaulo Zanoni int ret = -EINVAL; 3197c543188aSPaulo Zanoni int i; 3198c543188aSPaulo Zanoni 3199c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3200c543188aSPaulo Zanoni return -EINVAL; 3201c543188aSPaulo Zanoni 320284849903SDaniel Vetter drm_modeset_lock_all(dev); 3203c543188aSPaulo Zanoni 3204c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3205c543188aSPaulo Zanoni if (!arg_obj) 3206c543188aSPaulo Zanoni goto out; 3207c543188aSPaulo Zanoni if (!arg_obj->properties) 3208c543188aSPaulo Zanoni goto out; 3209c543188aSPaulo Zanoni 32107f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 3211c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 3212c543188aSPaulo Zanoni break; 3213c543188aSPaulo Zanoni 32147f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 3215c543188aSPaulo Zanoni goto out; 3216c543188aSPaulo Zanoni 3217c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 3218c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 3219c543188aSPaulo Zanoni if (!prop_obj) 3220c543188aSPaulo Zanoni goto out; 3221c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 3222c543188aSPaulo Zanoni 3223c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 3224c543188aSPaulo Zanoni goto out; 3225c543188aSPaulo Zanoni 3226c543188aSPaulo Zanoni switch (arg_obj->type) { 3227c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 3228c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 3229c543188aSPaulo Zanoni arg->value); 3230c543188aSPaulo Zanoni break; 3231bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 3232bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 3233bffd9de0SPaulo Zanoni break; 32344d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 32354d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 32364d93914aSRob Clark break; 3237c543188aSPaulo Zanoni } 3238c543188aSPaulo Zanoni 3239c543188aSPaulo Zanoni out: 324084849903SDaniel Vetter drm_modeset_unlock_all(dev); 3241c543188aSPaulo Zanoni return ret; 3242c543188aSPaulo Zanoni } 3243c543188aSPaulo Zanoni 3244f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3245f453ba04SDave Airlie struct drm_encoder *encoder) 3246f453ba04SDave Airlie { 3247f453ba04SDave Airlie int i; 3248f453ba04SDave Airlie 3249f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3250f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 3251f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 3252f453ba04SDave Airlie return 0; 3253f453ba04SDave Airlie } 3254f453ba04SDave Airlie } 3255f453ba04SDave Airlie return -ENOMEM; 3256f453ba04SDave Airlie } 3257f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 3258f453ba04SDave Airlie 3259f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3260f453ba04SDave Airlie struct drm_encoder *encoder) 3261f453ba04SDave Airlie { 3262f453ba04SDave Airlie int i; 3263f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3264f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 3265f453ba04SDave Airlie connector->encoder_ids[i] = 0; 3266f453ba04SDave Airlie if (connector->encoder == encoder) 3267f453ba04SDave Airlie connector->encoder = NULL; 3268f453ba04SDave Airlie break; 3269f453ba04SDave Airlie } 3270f453ba04SDave Airlie } 3271f453ba04SDave Airlie } 3272f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 3273f453ba04SDave Airlie 32744cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3275f453ba04SDave Airlie int gamma_size) 3276f453ba04SDave Airlie { 3277f453ba04SDave Airlie crtc->gamma_size = gamma_size; 3278f453ba04SDave Airlie 3279f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 3280f453ba04SDave Airlie if (!crtc->gamma_store) { 3281f453ba04SDave Airlie crtc->gamma_size = 0; 32824cae5b84SSascha Hauer return -ENOMEM; 3283f453ba04SDave Airlie } 3284f453ba04SDave Airlie 32854cae5b84SSascha Hauer return 0; 3286f453ba04SDave Airlie } 3287f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 3288f453ba04SDave Airlie 3289f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3290f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3291f453ba04SDave Airlie { 3292f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3293f453ba04SDave Airlie struct drm_mode_object *obj; 3294f453ba04SDave Airlie struct drm_crtc *crtc; 3295f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3296f453ba04SDave Airlie int size; 3297f453ba04SDave Airlie int ret = 0; 3298f453ba04SDave Airlie 3299fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3300fb3b06c8SDave Airlie return -EINVAL; 3301fb3b06c8SDave Airlie 330284849903SDaniel Vetter drm_modeset_lock_all(dev); 3303f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3304f453ba04SDave Airlie if (!obj) { 3305f453ba04SDave Airlie ret = -EINVAL; 3306f453ba04SDave Airlie goto out; 3307f453ba04SDave Airlie } 3308f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3309f453ba04SDave Airlie 3310ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 3311ebe0f244SLaurent Pinchart ret = -ENOSYS; 3312ebe0f244SLaurent Pinchart goto out; 3313ebe0f244SLaurent Pinchart } 3314ebe0f244SLaurent Pinchart 3315f453ba04SDave Airlie /* memcpy into gamma store */ 3316f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3317f453ba04SDave Airlie ret = -EINVAL; 3318f453ba04SDave Airlie goto out; 3319f453ba04SDave Airlie } 3320f453ba04SDave Airlie 3321f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3322f453ba04SDave Airlie r_base = crtc->gamma_store; 3323f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 3324f453ba04SDave Airlie ret = -EFAULT; 3325f453ba04SDave Airlie goto out; 3326f453ba04SDave Airlie } 3327f453ba04SDave Airlie 3328f453ba04SDave Airlie g_base = r_base + size; 3329f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 3330f453ba04SDave Airlie ret = -EFAULT; 3331f453ba04SDave Airlie goto out; 3332f453ba04SDave Airlie } 3333f453ba04SDave Airlie 3334f453ba04SDave Airlie b_base = g_base + size; 3335f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 3336f453ba04SDave Airlie ret = -EFAULT; 3337f453ba04SDave Airlie goto out; 3338f453ba04SDave Airlie } 3339f453ba04SDave Airlie 33407203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3341f453ba04SDave Airlie 3342f453ba04SDave Airlie out: 334384849903SDaniel Vetter drm_modeset_unlock_all(dev); 3344f453ba04SDave Airlie return ret; 3345f453ba04SDave Airlie 3346f453ba04SDave Airlie } 3347f453ba04SDave Airlie 3348f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3349f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3350f453ba04SDave Airlie { 3351f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3352f453ba04SDave Airlie struct drm_mode_object *obj; 3353f453ba04SDave Airlie struct drm_crtc *crtc; 3354f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3355f453ba04SDave Airlie int size; 3356f453ba04SDave Airlie int ret = 0; 3357f453ba04SDave Airlie 3358fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3359fb3b06c8SDave Airlie return -EINVAL; 3360fb3b06c8SDave Airlie 336184849903SDaniel Vetter drm_modeset_lock_all(dev); 3362f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3363f453ba04SDave Airlie if (!obj) { 3364f453ba04SDave Airlie ret = -EINVAL; 3365f453ba04SDave Airlie goto out; 3366f453ba04SDave Airlie } 3367f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3368f453ba04SDave Airlie 3369f453ba04SDave Airlie /* memcpy into gamma store */ 3370f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3371f453ba04SDave Airlie ret = -EINVAL; 3372f453ba04SDave Airlie goto out; 3373f453ba04SDave Airlie } 3374f453ba04SDave Airlie 3375f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3376f453ba04SDave Airlie r_base = crtc->gamma_store; 3377f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 3378f453ba04SDave Airlie ret = -EFAULT; 3379f453ba04SDave Airlie goto out; 3380f453ba04SDave Airlie } 3381f453ba04SDave Airlie 3382f453ba04SDave Airlie g_base = r_base + size; 3383f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 3384f453ba04SDave Airlie ret = -EFAULT; 3385f453ba04SDave Airlie goto out; 3386f453ba04SDave Airlie } 3387f453ba04SDave Airlie 3388f453ba04SDave Airlie b_base = g_base + size; 3389f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 3390f453ba04SDave Airlie ret = -EFAULT; 3391f453ba04SDave Airlie goto out; 3392f453ba04SDave Airlie } 3393f453ba04SDave Airlie out: 339484849903SDaniel Vetter drm_modeset_unlock_all(dev); 3395f453ba04SDave Airlie return ret; 3396f453ba04SDave Airlie } 3397d91d8a3fSKristian Høgsberg 3398d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 3399d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 3400d91d8a3fSKristian Høgsberg { 3401d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 3402d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 3403d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 3404b0d12325SDaniel Vetter struct drm_framebuffer *fb = NULL, *old_fb = NULL; 3405d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 3406d91d8a3fSKristian Høgsberg unsigned long flags; 34077c80e128SRob Clark int hdisplay, vdisplay; 3408d91d8a3fSKristian Høgsberg int ret = -EINVAL; 3409d91d8a3fSKristian Høgsberg 3410d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3411d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 3412d91d8a3fSKristian Høgsberg return -EINVAL; 3413d91d8a3fSKristian Høgsberg 3414d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3415d91d8a3fSKristian Høgsberg if (!obj) 3416b4d5e7d1SDaniel Vetter return -EINVAL; 3417d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 3418d91d8a3fSKristian Høgsberg 3419b4d5e7d1SDaniel Vetter mutex_lock(&crtc->mutex); 342090c1efddSChris Wilson if (crtc->fb == NULL) { 342190c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 342290c1efddSChris Wilson * due to a hotplug event, that userspace has not 342390c1efddSChris Wilson * yet discovered. 342490c1efddSChris Wilson */ 342590c1efddSChris Wilson ret = -EBUSY; 342690c1efddSChris Wilson goto out; 342790c1efddSChris Wilson } 342890c1efddSChris Wilson 3429d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 3430d91d8a3fSKristian Høgsberg goto out; 3431d91d8a3fSKristian Høgsberg 3432786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 3433786b99edSDaniel Vetter if (!fb) 3434d91d8a3fSKristian Høgsberg goto out; 3435d91d8a3fSKristian Høgsberg 34367c80e128SRob Clark hdisplay = crtc->mode.hdisplay; 34377c80e128SRob Clark vdisplay = crtc->mode.vdisplay; 34387c80e128SRob Clark 34397c80e128SRob Clark if (crtc->invert_dimensions) 34407c80e128SRob Clark swap(hdisplay, vdisplay); 34417c80e128SRob Clark 34427c80e128SRob Clark if (hdisplay > fb->width || 34437c80e128SRob Clark vdisplay > fb->height || 34447c80e128SRob Clark crtc->x > fb->width - hdisplay || 34457c80e128SRob Clark crtc->y > fb->height - vdisplay) { 34467c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 34477c80e128SRob Clark fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, 34487c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 34495f61bb42SVille Syrjälä ret = -ENOSPC; 34505f61bb42SVille Syrjälä goto out; 34515f61bb42SVille Syrjälä } 34525f61bb42SVille Syrjälä 3453909d9cdaSLaurent Pinchart if (crtc->fb->pixel_format != fb->pixel_format) { 3454909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 3455909d9cdaSLaurent Pinchart ret = -EINVAL; 3456909d9cdaSLaurent Pinchart goto out; 3457909d9cdaSLaurent Pinchart } 3458909d9cdaSLaurent Pinchart 3459d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3460d91d8a3fSKristian Høgsberg ret = -ENOMEM; 3461d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3462d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 3463d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3464d91d8a3fSKristian Høgsberg goto out; 3465d91d8a3fSKristian Høgsberg } 3466d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 3467d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3468d91d8a3fSKristian Høgsberg 3469d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 3470d91d8a3fSKristian Høgsberg if (e == NULL) { 3471d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3472d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3473d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3474d91d8a3fSKristian Høgsberg goto out; 3475d91d8a3fSKristian Høgsberg } 3476d91d8a3fSKristian Høgsberg 34777bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3478d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 3479d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 3480d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 3481d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 3482d91d8a3fSKristian Høgsberg e->base.destroy = 3483d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 3484d91d8a3fSKristian Høgsberg } 3485d91d8a3fSKristian Høgsberg 3486b0d12325SDaniel Vetter old_fb = crtc->fb; 3487d91d8a3fSKristian Høgsberg ret = crtc->funcs->page_flip(crtc, fb, e); 3488d91d8a3fSKristian Høgsberg if (ret) { 3489aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3490d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3491d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3492d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3493d91d8a3fSKristian Høgsberg kfree(e); 3494d91d8a3fSKristian Høgsberg } 3495b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 3496b0d12325SDaniel Vetter old_fb = NULL; 3497b0d12325SDaniel Vetter } else { 34988cf1e981SThierry Reding /* 34998cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 35008cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 35018cf1e981SThierry Reding * Failing to do so will screw with the reference counting 35028cf1e981SThierry Reding * on framebuffers. 35038cf1e981SThierry Reding */ 35048cf1e981SThierry Reding WARN_ON(crtc->fb != fb); 3505b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 3506b0d12325SDaniel Vetter fb = NULL; 3507aef6a7eeSJoonyoung Shim } 3508d91d8a3fSKristian Høgsberg 3509d91d8a3fSKristian Høgsberg out: 3510b0d12325SDaniel Vetter if (fb) 3511b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 3512b0d12325SDaniel Vetter if (old_fb) 3513b0d12325SDaniel Vetter drm_framebuffer_unreference(old_fb); 3514b4d5e7d1SDaniel Vetter mutex_unlock(&crtc->mutex); 3515b4d5e7d1SDaniel Vetter 3516d91d8a3fSKristian Høgsberg return ret; 3517d91d8a3fSKristian Høgsberg } 3518eb033556SChris Wilson 3519eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 3520eb033556SChris Wilson { 3521eb033556SChris Wilson struct drm_crtc *crtc; 3522eb033556SChris Wilson struct drm_encoder *encoder; 3523eb033556SChris Wilson struct drm_connector *connector; 3524eb033556SChris Wilson 3525eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3526eb033556SChris Wilson if (crtc->funcs->reset) 3527eb033556SChris Wilson crtc->funcs->reset(crtc); 3528eb033556SChris Wilson 3529eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3530eb033556SChris Wilson if (encoder->funcs->reset) 3531eb033556SChris Wilson encoder->funcs->reset(encoder); 3532eb033556SChris Wilson 35335e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 35345e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 35355e2cb2f6SDaniel Vetter 3536eb033556SChris Wilson if (connector->funcs->reset) 3537eb033556SChris Wilson connector->funcs->reset(connector); 3538eb033556SChris Wilson } 35395e2cb2f6SDaniel Vetter } 3540eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 3541ff72145bSDave Airlie 3542ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3543ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3544ff72145bSDave Airlie { 3545ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 3546ff72145bSDave Airlie 3547ff72145bSDave Airlie if (!dev->driver->dumb_create) 3548ff72145bSDave Airlie return -ENOSYS; 3549ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 3550ff72145bSDave Airlie } 3551ff72145bSDave Airlie 3552ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3553ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3554ff72145bSDave Airlie { 3555ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 3556ff72145bSDave Airlie 3557ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 3558ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 3559ff72145bSDave Airlie return -ENOSYS; 3560ff72145bSDave Airlie 3561ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3562ff72145bSDave Airlie } 3563ff72145bSDave Airlie 3564ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3565ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3566ff72145bSDave Airlie { 3567ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 3568ff72145bSDave Airlie 3569ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 3570ff72145bSDave Airlie return -ENOSYS; 3571ff72145bSDave Airlie 3572ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3573ff72145bSDave Airlie } 3574248dbc23SDave Airlie 3575248dbc23SDave Airlie /* 3576248dbc23SDave Airlie * Just need to support RGB formats here for compat with code that doesn't 3577248dbc23SDave Airlie * use pixel formats directly yet. 3578248dbc23SDave Airlie */ 3579248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3580248dbc23SDave Airlie int *bpp) 3581248dbc23SDave Airlie { 3582248dbc23SDave Airlie switch (format) { 3583c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 358404b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 358504b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 3586248dbc23SDave Airlie *depth = 8; 3587248dbc23SDave Airlie *bpp = 8; 3588248dbc23SDave Airlie break; 358904b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 359004b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 359104b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 359204b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 359304b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 359404b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 359504b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 359604b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 3597248dbc23SDave Airlie *depth = 15; 3598248dbc23SDave Airlie *bpp = 16; 3599248dbc23SDave Airlie break; 360004b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 360104b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 3602248dbc23SDave Airlie *depth = 16; 3603248dbc23SDave Airlie *bpp = 16; 3604248dbc23SDave Airlie break; 360504b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 360604b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 360704b3924dSVille Syrjälä *depth = 24; 360804b3924dSVille Syrjälä *bpp = 24; 360904b3924dSVille Syrjälä break; 361004b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 361104b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 361204b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 361304b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 3614248dbc23SDave Airlie *depth = 24; 3615248dbc23SDave Airlie *bpp = 32; 3616248dbc23SDave Airlie break; 361704b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 361804b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 361904b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 362004b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 362104b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 362204b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 362304b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 362404b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 3625248dbc23SDave Airlie *depth = 30; 3626248dbc23SDave Airlie *bpp = 32; 3627248dbc23SDave Airlie break; 362804b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 362904b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 363004b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 363104b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 3632248dbc23SDave Airlie *depth = 32; 3633248dbc23SDave Airlie *bpp = 32; 3634248dbc23SDave Airlie break; 3635248dbc23SDave Airlie default: 3636248dbc23SDave Airlie DRM_DEBUG_KMS("unsupported pixel format\n"); 3637248dbc23SDave Airlie *depth = 0; 3638248dbc23SDave Airlie *bpp = 0; 3639248dbc23SDave Airlie break; 3640248dbc23SDave Airlie } 3641248dbc23SDave Airlie } 3642248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 3643141670e9SVille Syrjälä 3644141670e9SVille Syrjälä /** 3645141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 3646141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 3647141670e9SVille Syrjälä * 3648141670e9SVille Syrjälä * RETURNS: 3649141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 3650141670e9SVille Syrjälä */ 3651141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 3652141670e9SVille Syrjälä { 3653141670e9SVille Syrjälä switch (format) { 3654141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 3655141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 3656141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 3657141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 3658141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 3659141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 3660141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 3661141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 3662141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 3663141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 3664141670e9SVille Syrjälä return 3; 3665141670e9SVille Syrjälä case DRM_FORMAT_NV12: 3666141670e9SVille Syrjälä case DRM_FORMAT_NV21: 3667141670e9SVille Syrjälä case DRM_FORMAT_NV16: 3668141670e9SVille Syrjälä case DRM_FORMAT_NV61: 3669ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3670ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3671141670e9SVille Syrjälä return 2; 3672141670e9SVille Syrjälä default: 3673141670e9SVille Syrjälä return 1; 3674141670e9SVille Syrjälä } 3675141670e9SVille Syrjälä } 3676141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 36775a86bd55SVille Syrjälä 36785a86bd55SVille Syrjälä /** 36795a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 36805a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 36815a86bd55SVille Syrjälä * @plane: plane index 36825a86bd55SVille Syrjälä * 36835a86bd55SVille Syrjälä * RETURNS: 36845a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 36855a86bd55SVille Syrjälä */ 36865a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 36875a86bd55SVille Syrjälä { 36885a86bd55SVille Syrjälä unsigned int depth; 36895a86bd55SVille Syrjälä int bpp; 36905a86bd55SVille Syrjälä 36915a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 36925a86bd55SVille Syrjälä return 0; 36935a86bd55SVille Syrjälä 36945a86bd55SVille Syrjälä switch (format) { 36955a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 36965a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 36975a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 36985a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 36995a86bd55SVille Syrjälä return 2; 37005a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 37015a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 37025a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 37035a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 3704ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3705ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 37065a86bd55SVille Syrjälä return plane ? 2 : 1; 37075a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 37085a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 37095a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 37105a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 37115a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 37125a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 37135a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 37145a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 37155a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 37165a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 37175a86bd55SVille Syrjälä return 1; 37185a86bd55SVille Syrjälä default: 37195a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 37205a86bd55SVille Syrjälä return bpp >> 3; 37215a86bd55SVille Syrjälä } 37225a86bd55SVille Syrjälä } 37235a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 372401b68b04SVille Syrjälä 372501b68b04SVille Syrjälä /** 372601b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 372701b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 372801b68b04SVille Syrjälä * 372901b68b04SVille Syrjälä * RETURNS: 373001b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 373101b68b04SVille Syrjälä * specified pixel format. 373201b68b04SVille Syrjälä */ 373301b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 373401b68b04SVille Syrjälä { 373501b68b04SVille Syrjälä switch (format) { 373601b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 373701b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 373801b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 373901b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 374001b68b04SVille Syrjälä return 4; 374101b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 374201b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 374301b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 374401b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 374501b68b04SVille Syrjälä case DRM_FORMAT_NV12: 374601b68b04SVille Syrjälä case DRM_FORMAT_NV21: 374701b68b04SVille Syrjälä case DRM_FORMAT_NV16: 374801b68b04SVille Syrjälä case DRM_FORMAT_NV61: 374901b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 375001b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 375101b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 375201b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 375301b68b04SVille Syrjälä return 2; 375401b68b04SVille Syrjälä default: 375501b68b04SVille Syrjälä return 1; 375601b68b04SVille Syrjälä } 375701b68b04SVille Syrjälä } 375801b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 375901b68b04SVille Syrjälä 376001b68b04SVille Syrjälä /** 376101b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 376201b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 376301b68b04SVille Syrjälä * 376401b68b04SVille Syrjälä * RETURNS: 376501b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 376601b68b04SVille Syrjälä * specified pixel format. 376701b68b04SVille Syrjälä */ 376801b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 376901b68b04SVille Syrjälä { 377001b68b04SVille Syrjälä switch (format) { 377101b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 377201b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 377301b68b04SVille Syrjälä return 4; 377401b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 377501b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 377601b68b04SVille Syrjälä case DRM_FORMAT_NV12: 377701b68b04SVille Syrjälä case DRM_FORMAT_NV21: 377801b68b04SVille Syrjälä return 2; 377901b68b04SVille Syrjälä default: 378001b68b04SVille Syrjälä return 1; 378101b68b04SVille Syrjälä } 378201b68b04SVille Syrjälä } 378301b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 378487d24fc3SLaurent Pinchart 378587d24fc3SLaurent Pinchart /** 378687d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 378787d24fc3SLaurent Pinchart * @dev: DRM device 378887d24fc3SLaurent Pinchart * 378987d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 379087d24fc3SLaurent Pinchart * configuration of @dev. 379187d24fc3SLaurent Pinchart * 379287d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 379387d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 379487d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 379587d24fc3SLaurent Pinchart * 379687d24fc3SLaurent Pinchart */ 379787d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 379887d24fc3SLaurent Pinchart { 379987d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 380087d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 380187d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 380287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 380387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 380487d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 380587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 380687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 380787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 380887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 380987d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 381087d24fc3SLaurent Pinchart 381187d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 381287d24fc3SLaurent Pinchart drm_mode_create_standard_connector_properties(dev); 381387d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 381487d24fc3SLaurent Pinchart 381587d24fc3SLaurent Pinchart /* Just to be sure */ 381687d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 381787d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 381887d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 381987d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 382087d24fc3SLaurent Pinchart } 382187d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 382287d24fc3SLaurent Pinchart 382387d24fc3SLaurent Pinchart /** 382487d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 382587d24fc3SLaurent Pinchart * @dev: DRM device 382687d24fc3SLaurent Pinchart * 382787d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 382887d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 382987d24fc3SLaurent Pinchart * 383087d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 383187d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 383287d24fc3SLaurent Pinchart * this guarantee actually holds true. 383387d24fc3SLaurent Pinchart * 383487d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 383587d24fc3SLaurent Pinchart */ 383687d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 383787d24fc3SLaurent Pinchart { 383887d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 383987d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 384087d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 384187d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 384287d24fc3SLaurent Pinchart struct drm_property *property, *pt; 384387d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 384487d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 384587d24fc3SLaurent Pinchart 384687d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 384787d24fc3SLaurent Pinchart head) { 384887d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 384987d24fc3SLaurent Pinchart } 385087d24fc3SLaurent Pinchart 385187d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 385287d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 385387d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 385487d24fc3SLaurent Pinchart } 385587d24fc3SLaurent Pinchart 385687d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 385787d24fc3SLaurent Pinchart head) { 385887d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 385987d24fc3SLaurent Pinchart } 386087d24fc3SLaurent Pinchart 386187d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 386287d24fc3SLaurent Pinchart head) { 386387d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 386487d24fc3SLaurent Pinchart } 386587d24fc3SLaurent Pinchart 386687d24fc3SLaurent Pinchart /* 386787d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 386887d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 386987d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 387087d24fc3SLaurent Pinchart * 387187d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 387287d24fc3SLaurent Pinchart * so politely WARN about this. 387387d24fc3SLaurent Pinchart */ 387487d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 387587d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 387687d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 387787d24fc3SLaurent Pinchart } 387887d24fc3SLaurent Pinchart 387987d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 388087d24fc3SLaurent Pinchart head) { 388187d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 388287d24fc3SLaurent Pinchart } 388387d24fc3SLaurent Pinchart 388487d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 388587d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 388687d24fc3SLaurent Pinchart } 388787d24fc3SLaurent Pinchart 388887d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 388987d24fc3SLaurent Pinchart } 389087d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 3891