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 73f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 74f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 75f453ba04SDave Airlie char *fnname(int val) \ 76f453ba04SDave Airlie { \ 77f453ba04SDave Airlie int i; \ 78f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 79f453ba04SDave Airlie if (list[i].type == val) \ 80f453ba04SDave Airlie return list[i].name; \ 81f453ba04SDave Airlie } \ 82f453ba04SDave Airlie return "(unknown)"; \ 83f453ba04SDave Airlie } 84f453ba04SDave Airlie 85f453ba04SDave Airlie /* 86f453ba04SDave Airlie * Global properties 87f453ba04SDave Airlie */ 88f453ba04SDave Airlie static struct drm_prop_enum_list drm_dpms_enum_list[] = 89f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 90f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 91f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 92f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 93f453ba04SDave Airlie }; 94f453ba04SDave Airlie 95f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 96f453ba04SDave Airlie 97f453ba04SDave Airlie /* 98f453ba04SDave Airlie * Optional properties 99f453ba04SDave Airlie */ 100f453ba04SDave Airlie static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 101f453ba04SDave Airlie { 10253bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 10353bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 10453bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 10553bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 106f453ba04SDave Airlie }; 107f453ba04SDave Airlie 108f453ba04SDave Airlie static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 109f453ba04SDave Airlie { 110f453ba04SDave Airlie { DRM_MODE_DITHERING_OFF, "Off" }, 111f453ba04SDave Airlie { DRM_MODE_DITHERING_ON, "On" }, 11292897b5cSBen Skeggs { DRM_MODE_DITHERING_AUTO, "Automatic" }, 113f453ba04SDave Airlie }; 114f453ba04SDave Airlie 115f453ba04SDave Airlie /* 116f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 117f453ba04SDave Airlie */ 118f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 119f453ba04SDave Airlie { 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 122f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 123f453ba04SDave Airlie }; 124f453ba04SDave Airlie 125f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 126f453ba04SDave Airlie 127f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 128f453ba04SDave Airlie { 129f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 130f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 131f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 132f453ba04SDave Airlie }; 133f453ba04SDave Airlie 134f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 135f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 136f453ba04SDave Airlie 137f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_select_enum_list[] = 138f453ba04SDave Airlie { 139f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 140f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 141f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 142f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 143aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 144f453ba04SDave Airlie }; 145f453ba04SDave Airlie 146f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 147f453ba04SDave Airlie 148f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 149f453ba04SDave Airlie { 150f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 151f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 152f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 153f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 154aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 155f453ba04SDave Airlie }; 156f453ba04SDave Airlie 157f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 158f453ba04SDave Airlie drm_tv_subconnector_enum_list) 159f453ba04SDave Airlie 160884840aaSJakob Bornecrantz static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 161884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 162884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 163884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 164884840aaSJakob Bornecrantz }; 165884840aaSJakob Bornecrantz 166884840aaSJakob Bornecrantz DRM_ENUM_NAME_FN(drm_get_dirty_info_name, 167884840aaSJakob Bornecrantz drm_dirty_info_enum_list) 168884840aaSJakob Bornecrantz 169f453ba04SDave Airlie struct drm_conn_prop_enum_list { 170f453ba04SDave Airlie int type; 171f453ba04SDave Airlie char *name; 172f453ba04SDave Airlie int count; 173f453ba04SDave Airlie }; 174f453ba04SDave Airlie 175f453ba04SDave Airlie /* 176f453ba04SDave Airlie * Connector and encoder types. 177f453ba04SDave Airlie */ 178f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 179f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 180f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 181f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 182f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 183f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 184f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 185f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 186f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 187f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 188e76116caSAlex Deucher { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, 189e76116caSAlex Deucher { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, 190e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, 191e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, 19274bd3c26SFrancisco Jerez { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 193e76116caSAlex Deucher { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, 194a7331e5cSThomas Hellstrom { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, 195f453ba04SDave Airlie }; 196f453ba04SDave Airlie 197f453ba04SDave Airlie static struct drm_prop_enum_list drm_encoder_enum_list[] = 198f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 199f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 200f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 201f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 202f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 203a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 204f453ba04SDave Airlie }; 205f453ba04SDave Airlie 206f453ba04SDave Airlie char *drm_get_encoder_name(struct drm_encoder *encoder) 207f453ba04SDave Airlie { 208f453ba04SDave Airlie static char buf[32]; 209f453ba04SDave Airlie 210f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 211f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 212f453ba04SDave Airlie encoder->base.id); 213f453ba04SDave Airlie return buf; 214f453ba04SDave Airlie } 21513a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 216f453ba04SDave Airlie 217f453ba04SDave Airlie char *drm_get_connector_name(struct drm_connector *connector) 218f453ba04SDave Airlie { 219f453ba04SDave Airlie static char buf[32]; 220f453ba04SDave Airlie 221f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 222f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 223f453ba04SDave Airlie connector->connector_type_id); 224f453ba04SDave Airlie return buf; 225f453ba04SDave Airlie } 226f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 227f453ba04SDave Airlie 228f453ba04SDave Airlie char *drm_get_connector_status_name(enum drm_connector_status status) 229f453ba04SDave Airlie { 230f453ba04SDave Airlie if (status == connector_status_connected) 231f453ba04SDave Airlie return "connected"; 232f453ba04SDave Airlie else if (status == connector_status_disconnected) 233f453ba04SDave Airlie return "disconnected"; 234f453ba04SDave Airlie else 235f453ba04SDave Airlie return "unknown"; 236f453ba04SDave Airlie } 237f453ba04SDave Airlie 238f453ba04SDave Airlie /** 239065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 240f453ba04SDave Airlie * @dev: DRM device 241065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 242065a50edSDaniel Vetter * @obj_type: object type 243f453ba04SDave Airlie * 244f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 245f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 246f453ba04SDave Airlie * 247f453ba04SDave Airlie * RETURNS: 248f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 249f453ba04SDave Airlie * object. 250f453ba04SDave Airlie */ 251f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 252f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 253f453ba04SDave Airlie { 254f453ba04SDave Airlie int new_id = 0; 255f453ba04SDave Airlie int ret; 256f453ba04SDave Airlie 257f453ba04SDave Airlie again: 258f453ba04SDave Airlie if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { 259f453ba04SDave Airlie DRM_ERROR("Ran out memory getting a mode number\n"); 260f1ae126cSVille Syrjälä return -ENOMEM; 261f453ba04SDave Airlie } 262f453ba04SDave Airlie 263ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 264f453ba04SDave Airlie ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); 265ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 266f453ba04SDave Airlie if (ret == -EAGAIN) 267f453ba04SDave Airlie goto again; 268f1ae126cSVille Syrjälä else if (ret) 269f1ae126cSVille Syrjälä return ret; 270f453ba04SDave Airlie 271f453ba04SDave Airlie obj->id = new_id; 272f453ba04SDave Airlie obj->type = obj_type; 273f453ba04SDave Airlie return 0; 274f453ba04SDave Airlie } 275f453ba04SDave Airlie 276f453ba04SDave Airlie /** 277065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 278f453ba04SDave Airlie * @dev: DRM device 279065a50edSDaniel Vetter * @object: object to free 280f453ba04SDave Airlie * 281f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 282f453ba04SDave Airlie */ 283f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 284f453ba04SDave Airlie struct drm_mode_object *object) 285f453ba04SDave Airlie { 286ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 287f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 288ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 289f453ba04SDave Airlie } 290f453ba04SDave Airlie 2917a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 2927a9c9060SDaniel Vetter uint32_t id, uint32_t type) 293f453ba04SDave Airlie { 294ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 295f453ba04SDave Airlie 296ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 297f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 298f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 299ad2563c2SJesse Barnes obj = NULL; 300ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 301f453ba04SDave Airlie 302f453ba04SDave Airlie return obj; 303f453ba04SDave Airlie } 304f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 305f453ba04SDave Airlie 306f453ba04SDave Airlie /** 307f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 308f453ba04SDave Airlie * @dev: DRM device 309065a50edSDaniel Vetter * @fb: framebuffer to be initialized 310065a50edSDaniel Vetter * @funcs: ... with these functions 311f453ba04SDave Airlie * 312f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 313f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 314f453ba04SDave Airlie * 315f453ba04SDave Airlie * RETURNS: 316af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 317f453ba04SDave Airlie */ 318f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 319f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 320f453ba04SDave Airlie { 321f453ba04SDave Airlie int ret; 322f453ba04SDave Airlie 323f7eff60eSRob Clark kref_init(&fb->refcount); 324f7eff60eSRob Clark 325f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 3266bfc56aaSVille Syrjälä if (ret) 327f453ba04SDave Airlie return ret; 328f453ba04SDave Airlie 329f453ba04SDave Airlie fb->dev = dev; 330f453ba04SDave Airlie fb->funcs = funcs; 331f453ba04SDave Airlie dev->mode_config.num_fb++; 332f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 333f453ba04SDave Airlie 334f453ba04SDave Airlie return 0; 335f453ba04SDave Airlie } 336f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 337f453ba04SDave Airlie 338f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 339f7eff60eSRob Clark { 340f7eff60eSRob Clark struct drm_framebuffer *fb = 341f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 342f7eff60eSRob Clark fb->funcs->destroy(fb); 343f7eff60eSRob Clark } 344f7eff60eSRob Clark 345f7eff60eSRob Clark /** 346f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 347065a50edSDaniel Vetter * @fb: framebuffer to unref 348065a50edSDaniel Vetter * 349065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 350f7eff60eSRob Clark */ 351f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 352f7eff60eSRob Clark { 353f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 354f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 355f7eff60eSRob Clark } 356f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 357f7eff60eSRob Clark 358f7eff60eSRob Clark /** 359f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 360065a50edSDaniel Vetter * @fb: framebuffer 361f7eff60eSRob Clark */ 362f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 363f7eff60eSRob Clark { 364f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 365f7eff60eSRob Clark kref_get(&fb->refcount); 366f7eff60eSRob Clark } 367f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 368f7eff60eSRob Clark 369f453ba04SDave Airlie /** 370f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 371f453ba04SDave Airlie * @fb: framebuffer to remove 372f453ba04SDave Airlie * 373f453ba04SDave Airlie * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes 374f453ba04SDave Airlie * it, setting it to NULL. 375f453ba04SDave Airlie */ 376f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 377f453ba04SDave Airlie { 378f453ba04SDave Airlie struct drm_device *dev = fb->dev; 3798faf6b18SDaniel Vetter 380f7eff60eSRob Clark /* 381f7eff60eSRob Clark * This could be moved to drm_framebuffer_remove(), but for 382f7eff60eSRob Clark * debugging is nice to keep around the list of fb's that are 383f7eff60eSRob Clark * no longer associated w/ a drm_file but are not unreferenced 384f7eff60eSRob Clark * yet. (i915 and omapdrm have debugfs files which will show 385f7eff60eSRob Clark * this.) 386f7eff60eSRob Clark */ 387f7eff60eSRob Clark drm_mode_object_put(dev, &fb->base); 388f7eff60eSRob Clark list_del(&fb->head); 389f7eff60eSRob Clark dev->mode_config.num_fb--; 390f7eff60eSRob Clark } 391f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 392f7eff60eSRob Clark 393f7eff60eSRob Clark /** 394f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 395f7eff60eSRob Clark * @fb: framebuffer to remove 396f7eff60eSRob Clark * 397f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 398f7eff60eSRob Clark * using @fb, removes it, setting it to NULL. 399f7eff60eSRob Clark */ 400f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 401f7eff60eSRob Clark { 402f7eff60eSRob Clark struct drm_device *dev = fb->dev; 403f453ba04SDave Airlie struct drm_crtc *crtc; 4048cf5c917SJesse Barnes struct drm_plane *plane; 4055ef5f72fSDave Airlie struct drm_mode_set set; 4065ef5f72fSDave Airlie int ret; 407f453ba04SDave Airlie 4088faf6b18SDaniel Vetter WARN_ON(!drm_modeset_is_locked(dev)); 4098faf6b18SDaniel Vetter 410f453ba04SDave Airlie /* remove from any CRTC */ 411f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 4125ef5f72fSDave Airlie if (crtc->fb == fb) { 4135ef5f72fSDave Airlie /* should turn off the crtc */ 4145ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 4155ef5f72fSDave Airlie set.crtc = crtc; 4165ef5f72fSDave Airlie set.fb = NULL; 4172d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 4185ef5f72fSDave Airlie if (ret) 4195ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 4205ef5f72fSDave Airlie } 421f453ba04SDave Airlie } 422f453ba04SDave Airlie 4238cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 4248cf5c917SJesse Barnes if (plane->fb == fb) { 4258cf5c917SJesse Barnes /* should turn off the crtc */ 4268cf5c917SJesse Barnes ret = plane->funcs->disable_plane(plane); 4278cf5c917SJesse Barnes if (ret) 4288cf5c917SJesse Barnes DRM_ERROR("failed to disable plane with busy fb\n"); 429a9971157SRob Clark /* disconnect the plane from the fb and crtc: */ 430a9971157SRob Clark plane->fb = NULL; 431a9971157SRob Clark plane->crtc = NULL; 4328cf5c917SJesse Barnes } 4338cf5c917SJesse Barnes } 4348cf5c917SJesse Barnes 435f7eff60eSRob Clark list_del(&fb->filp_head); 436f7eff60eSRob Clark 437f7eff60eSRob Clark drm_framebuffer_unreference(fb); 438f453ba04SDave Airlie } 439f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 440f453ba04SDave Airlie 441f453ba04SDave Airlie /** 442f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 443f453ba04SDave Airlie * @dev: DRM device 444f453ba04SDave Airlie * @crtc: CRTC object to init 445f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 446f453ba04SDave Airlie * 447f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 4486bfc56aaSVille Syrjälä * 4496bfc56aaSVille Syrjälä * RETURNS: 4506bfc56aaSVille Syrjälä * Zero on success, error code on failure. 451f453ba04SDave Airlie */ 4526bfc56aaSVille Syrjälä int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 453f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 454f453ba04SDave Airlie { 4556bfc56aaSVille Syrjälä int ret; 4566bfc56aaSVille Syrjälä 457f453ba04SDave Airlie crtc->dev = dev; 458f453ba04SDave Airlie crtc->funcs = funcs; 4597c80e128SRob Clark crtc->invert_dimensions = false; 460f453ba04SDave Airlie 46184849903SDaniel Vetter drm_modeset_lock_all(dev); 46229494c17SDaniel Vetter mutex_init(&crtc->mutex); 46329494c17SDaniel Vetter mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); 4646bfc56aaSVille Syrjälä 4656bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 4666bfc56aaSVille Syrjälä if (ret) 4676bfc56aaSVille Syrjälä goto out; 468f453ba04SDave Airlie 469bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 470bffd9de0SPaulo Zanoni 471f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 472f453ba04SDave Airlie dev->mode_config.num_crtc++; 4736bfc56aaSVille Syrjälä 4746bfc56aaSVille Syrjälä out: 47584849903SDaniel Vetter drm_modeset_unlock_all(dev); 4766bfc56aaSVille Syrjälä 4776bfc56aaSVille Syrjälä return ret; 478f453ba04SDave Airlie } 479f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 480f453ba04SDave Airlie 481f453ba04SDave Airlie /** 482f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 483f453ba04SDave Airlie * @crtc: CRTC to cleanup 484f453ba04SDave Airlie * 485f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 486f453ba04SDave Airlie * does NOT free object, caller does that. 487f453ba04SDave Airlie */ 488f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 489f453ba04SDave Airlie { 490f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 491f453ba04SDave Airlie 492f453ba04SDave Airlie kfree(crtc->gamma_store); 493f453ba04SDave Airlie crtc->gamma_store = NULL; 494f453ba04SDave Airlie 495f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 496f453ba04SDave Airlie list_del(&crtc->head); 497f453ba04SDave Airlie dev->mode_config.num_crtc--; 498f453ba04SDave Airlie } 499f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 500f453ba04SDave Airlie 501f453ba04SDave Airlie /** 502f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 503f453ba04SDave Airlie * @connector: connector the new mode 504f453ba04SDave Airlie * @mode: mode data 505f453ba04SDave Airlie * 506f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 507f453ba04SDave Airlie */ 508f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 509f453ba04SDave Airlie struct drm_display_mode *mode) 510f453ba04SDave Airlie { 511f453ba04SDave Airlie list_add(&mode->head, &connector->probed_modes); 512f453ba04SDave Airlie } 513f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 514f453ba04SDave Airlie 515f453ba04SDave Airlie /** 516f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 517f453ba04SDave Airlie * @connector: connector list to modify 518f453ba04SDave Airlie * @mode: mode to remove 519f453ba04SDave Airlie * 520f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 521f453ba04SDave Airlie */ 522f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 523f453ba04SDave Airlie struct drm_display_mode *mode) 524f453ba04SDave Airlie { 525f453ba04SDave Airlie list_del(&mode->head); 526554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 527f453ba04SDave Airlie } 528f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 529f453ba04SDave Airlie 530f453ba04SDave Airlie /** 531f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 532f453ba04SDave Airlie * @dev: DRM device 533f453ba04SDave Airlie * @connector: the connector to init 534f453ba04SDave Airlie * @funcs: callbacks for this connector 535065a50edSDaniel Vetter * @connector_type: user visible type of the connector 536f453ba04SDave Airlie * 537f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 538f453ba04SDave Airlie * subclassed as part of driver connector objects. 5396bfc56aaSVille Syrjälä * 5406bfc56aaSVille Syrjälä * RETURNS: 5416bfc56aaSVille Syrjälä * Zero on success, error code on failure. 542f453ba04SDave Airlie */ 5436bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 544f453ba04SDave Airlie struct drm_connector *connector, 545f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 546f453ba04SDave Airlie int connector_type) 547f453ba04SDave Airlie { 5486bfc56aaSVille Syrjälä int ret; 5496bfc56aaSVille Syrjälä 55084849903SDaniel Vetter drm_modeset_lock_all(dev); 551f453ba04SDave Airlie 5526bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 5536bfc56aaSVille Syrjälä if (ret) 5546bfc56aaSVille Syrjälä goto out; 5556bfc56aaSVille Syrjälä 5567e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 557f453ba04SDave Airlie connector->dev = dev; 558f453ba04SDave Airlie connector->funcs = funcs; 559f453ba04SDave Airlie connector->connector_type = connector_type; 560f453ba04SDave Airlie connector->connector_type_id = 561f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 562f453ba04SDave Airlie INIT_LIST_HEAD(&connector->user_modes); 563f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 564f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 565f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 5665e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 567f453ba04SDave Airlie 568f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 569f453ba04SDave Airlie dev->mode_config.num_connector++; 570f453ba04SDave Airlie 571a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 57258495563SRob Clark drm_object_attach_property(&connector->base, 573a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 574a7331e5cSThomas Hellstrom 0); 575f453ba04SDave Airlie 57658495563SRob Clark drm_object_attach_property(&connector->base, 577f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 578f453ba04SDave Airlie 5796bfc56aaSVille Syrjälä out: 58084849903SDaniel Vetter drm_modeset_unlock_all(dev); 5816bfc56aaSVille Syrjälä 5826bfc56aaSVille Syrjälä return ret; 583f453ba04SDave Airlie } 584f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 585f453ba04SDave Airlie 586f453ba04SDave Airlie /** 587f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 588f453ba04SDave Airlie * @connector: connector to cleanup 589f453ba04SDave Airlie * 590f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 591f453ba04SDave Airlie */ 592f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 593f453ba04SDave Airlie { 594f453ba04SDave Airlie struct drm_device *dev = connector->dev; 595f453ba04SDave Airlie struct drm_display_mode *mode, *t; 596f453ba04SDave Airlie 597f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 598f453ba04SDave Airlie drm_mode_remove(connector, mode); 599f453ba04SDave Airlie 600f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 601f453ba04SDave Airlie drm_mode_remove(connector, mode); 602f453ba04SDave Airlie 603f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->user_modes, head) 604f453ba04SDave Airlie drm_mode_remove(connector, mode); 605f453ba04SDave Airlie 606f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 607f453ba04SDave Airlie list_del(&connector->head); 6086380c509SJoonyoung Shim dev->mode_config.num_connector--; 609f453ba04SDave Airlie } 610f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 611f453ba04SDave Airlie 612cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 613cbc7e221SDave Airlie { 614cbc7e221SDave Airlie struct drm_connector *connector; 615cbc7e221SDave Airlie 616cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 617cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 618cbc7e221SDave Airlie drm_sysfs_connector_remove(connector); 619cbc7e221SDave Airlie 620cbc7e221SDave Airlie } 621cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 622cbc7e221SDave Airlie 6236bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 624f453ba04SDave Airlie struct drm_encoder *encoder, 625f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 626f453ba04SDave Airlie int encoder_type) 627f453ba04SDave Airlie { 6286bfc56aaSVille Syrjälä int ret; 6296bfc56aaSVille Syrjälä 63084849903SDaniel Vetter drm_modeset_lock_all(dev); 631f453ba04SDave Airlie 6326bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 6336bfc56aaSVille Syrjälä if (ret) 6346bfc56aaSVille Syrjälä goto out; 635f453ba04SDave Airlie 6366bfc56aaSVille Syrjälä encoder->dev = dev; 637f453ba04SDave Airlie encoder->encoder_type = encoder_type; 638f453ba04SDave Airlie encoder->funcs = funcs; 639f453ba04SDave Airlie 640f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 641f453ba04SDave Airlie dev->mode_config.num_encoder++; 642f453ba04SDave Airlie 6436bfc56aaSVille Syrjälä out: 64484849903SDaniel Vetter drm_modeset_unlock_all(dev); 6456bfc56aaSVille Syrjälä 6466bfc56aaSVille Syrjälä return ret; 647f453ba04SDave Airlie } 648f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 649f453ba04SDave Airlie 650f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 651f453ba04SDave Airlie { 652f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 65384849903SDaniel Vetter drm_modeset_lock_all(dev); 654f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 655f453ba04SDave Airlie list_del(&encoder->head); 6566380c509SJoonyoung Shim dev->mode_config.num_encoder--; 65784849903SDaniel Vetter drm_modeset_unlock_all(dev); 658f453ba04SDave Airlie } 659f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 660f453ba04SDave Airlie 6618cf5c917SJesse Barnes int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 6628cf5c917SJesse Barnes unsigned long possible_crtcs, 6638cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 6640a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 6650a7eb243SRob Clark bool priv) 6668cf5c917SJesse Barnes { 6676bfc56aaSVille Syrjälä int ret; 6686bfc56aaSVille Syrjälä 66984849903SDaniel Vetter drm_modeset_lock_all(dev); 6708cf5c917SJesse Barnes 6716bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 6726bfc56aaSVille Syrjälä if (ret) 6736bfc56aaSVille Syrjälä goto out; 6746bfc56aaSVille Syrjälä 6754d93914aSRob Clark plane->base.properties = &plane->properties; 6768cf5c917SJesse Barnes plane->dev = dev; 6778cf5c917SJesse Barnes plane->funcs = funcs; 6788cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 6798cf5c917SJesse Barnes GFP_KERNEL); 6808cf5c917SJesse Barnes if (!plane->format_types) { 6818cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 6828cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 6836bfc56aaSVille Syrjälä ret = -ENOMEM; 6846bfc56aaSVille Syrjälä goto out; 6858cf5c917SJesse Barnes } 6868cf5c917SJesse Barnes 687308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 6888cf5c917SJesse Barnes plane->format_count = format_count; 6898cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 6908cf5c917SJesse Barnes 6910a7eb243SRob Clark /* private planes are not exposed to userspace, but depending on 6920a7eb243SRob Clark * display hardware, might be convenient to allow sharing programming 6930a7eb243SRob Clark * for the scanout engine with the crtc implementation. 6940a7eb243SRob Clark */ 6950a7eb243SRob Clark if (!priv) { 6968cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 6978cf5c917SJesse Barnes dev->mode_config.num_plane++; 6980a7eb243SRob Clark } else { 6990a7eb243SRob Clark INIT_LIST_HEAD(&plane->head); 7000a7eb243SRob Clark } 7018cf5c917SJesse Barnes 7026bfc56aaSVille Syrjälä out: 70384849903SDaniel Vetter drm_modeset_unlock_all(dev); 7048cf5c917SJesse Barnes 7056bfc56aaSVille Syrjälä return ret; 7068cf5c917SJesse Barnes } 7078cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 7088cf5c917SJesse Barnes 7098cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 7108cf5c917SJesse Barnes { 7118cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 7128cf5c917SJesse Barnes 71384849903SDaniel Vetter drm_modeset_lock_all(dev); 7148cf5c917SJesse Barnes kfree(plane->format_types); 7158cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 7160a7eb243SRob Clark /* if not added to a list, it must be a private plane */ 7170a7eb243SRob Clark if (!list_empty(&plane->head)) { 7188cf5c917SJesse Barnes list_del(&plane->head); 7198cf5c917SJesse Barnes dev->mode_config.num_plane--; 7200a7eb243SRob Clark } 72184849903SDaniel Vetter drm_modeset_unlock_all(dev); 7228cf5c917SJesse Barnes } 7238cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 7248cf5c917SJesse Barnes 725f453ba04SDave Airlie /** 726f453ba04SDave Airlie * drm_mode_create - create a new display mode 727f453ba04SDave Airlie * @dev: DRM device 728f453ba04SDave Airlie * 729f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 730f453ba04SDave Airlie * 731f453ba04SDave Airlie * RETURNS: 732f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 733f453ba04SDave Airlie */ 734f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 735f453ba04SDave Airlie { 736f453ba04SDave Airlie struct drm_display_mode *nmode; 737f453ba04SDave Airlie 738f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 739f453ba04SDave Airlie if (!nmode) 740f453ba04SDave Airlie return NULL; 741f453ba04SDave Airlie 7426bfc56aaSVille Syrjälä if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 7436bfc56aaSVille Syrjälä kfree(nmode); 7446bfc56aaSVille Syrjälä return NULL; 7456bfc56aaSVille Syrjälä } 7466bfc56aaSVille Syrjälä 747f453ba04SDave Airlie return nmode; 748f453ba04SDave Airlie } 749f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 750f453ba04SDave Airlie 751f453ba04SDave Airlie /** 752f453ba04SDave Airlie * drm_mode_destroy - remove a mode 753f453ba04SDave Airlie * @dev: DRM device 754f453ba04SDave Airlie * @mode: mode to remove 755f453ba04SDave Airlie * 756f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 757f453ba04SDave Airlie */ 758f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 759f453ba04SDave Airlie { 760ee34ab5bSVille Syrjälä if (!mode) 761ee34ab5bSVille Syrjälä return; 762ee34ab5bSVille Syrjälä 763f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 764f453ba04SDave Airlie 765f453ba04SDave Airlie kfree(mode); 766f453ba04SDave Airlie } 767f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 768f453ba04SDave Airlie 769f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 770f453ba04SDave Airlie { 771f453ba04SDave Airlie struct drm_property *edid; 772f453ba04SDave Airlie struct drm_property *dpms; 773f453ba04SDave Airlie 774f453ba04SDave Airlie /* 775f453ba04SDave Airlie * Standard properties (apply to all connectors) 776f453ba04SDave Airlie */ 777f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 778f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 779f453ba04SDave Airlie "EDID", 0); 780f453ba04SDave Airlie dev->mode_config.edid_property = edid; 781f453ba04SDave Airlie 7824a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 7834a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 7844a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 785f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 786f453ba04SDave Airlie 787f453ba04SDave Airlie return 0; 788f453ba04SDave Airlie } 789f453ba04SDave Airlie 790f453ba04SDave Airlie /** 791f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 792f453ba04SDave Airlie * @dev: DRM device 793f453ba04SDave Airlie * 794f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 795f453ba04SDave Airlie */ 796f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 797f453ba04SDave Airlie { 798f453ba04SDave Airlie struct drm_property *dvi_i_selector; 799f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 800f453ba04SDave Airlie 801f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 802f453ba04SDave Airlie return 0; 803f453ba04SDave Airlie 804f453ba04SDave Airlie dvi_i_selector = 8054a67d391SSascha Hauer drm_property_create_enum(dev, 0, 806f453ba04SDave Airlie "select subconnector", 8074a67d391SSascha Hauer drm_dvi_i_select_enum_list, 808f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 809f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 810f453ba04SDave Airlie 8114a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 812f453ba04SDave Airlie "subconnector", 8134a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 814f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 815f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 816f453ba04SDave Airlie 817f453ba04SDave Airlie return 0; 818f453ba04SDave Airlie } 819f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 820f453ba04SDave Airlie 821f453ba04SDave Airlie /** 822f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 823f453ba04SDave Airlie * @dev: DRM device 824f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 825f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 826f453ba04SDave Airlie * 827f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 828f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 829f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 830f453ba04SDave Airlie * this routine. 831f453ba04SDave Airlie */ 832f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 833f453ba04SDave Airlie char *modes[]) 834f453ba04SDave Airlie { 835f453ba04SDave Airlie struct drm_property *tv_selector; 836f453ba04SDave Airlie struct drm_property *tv_subconnector; 837f453ba04SDave Airlie int i; 838f453ba04SDave Airlie 839f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 840f453ba04SDave Airlie return 0; 841f453ba04SDave Airlie 842f453ba04SDave Airlie /* 843f453ba04SDave Airlie * Basic connector properties 844f453ba04SDave Airlie */ 8454a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 846f453ba04SDave Airlie "select subconnector", 8474a67d391SSascha Hauer drm_tv_select_enum_list, 848f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 849f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 850f453ba04SDave Airlie 851f453ba04SDave Airlie tv_subconnector = 8524a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 8534a67d391SSascha Hauer "subconnector", 8544a67d391SSascha Hauer drm_tv_subconnector_enum_list, 855f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 856f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 857f453ba04SDave Airlie 858f453ba04SDave Airlie /* 859f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 860f453ba04SDave Airlie */ 861f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 862d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 863f453ba04SDave Airlie 864f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 865d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 866f453ba04SDave Airlie 867f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 868d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 869f453ba04SDave Airlie 870f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 871d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 872f453ba04SDave Airlie 873f453ba04SDave Airlie dev->mode_config.tv_mode_property = 874f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 875f453ba04SDave Airlie "mode", num_modes); 876f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 877f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 878f453ba04SDave Airlie i, modes[i]); 879f453ba04SDave Airlie 880b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 881d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 882b6b7902eSFrancisco Jerez 883b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 884d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 885b6b7902eSFrancisco Jerez 886b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 887d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 888b6b7902eSFrancisco Jerez 889a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 890d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 891a75f0236SFrancisco Jerez 892a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 893d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 894a75f0236SFrancisco Jerez 895a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 896d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 897a75f0236SFrancisco Jerez 898f453ba04SDave Airlie return 0; 899f453ba04SDave Airlie } 900f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 901f453ba04SDave Airlie 902f453ba04SDave Airlie /** 903f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 904f453ba04SDave Airlie * @dev: DRM device 905f453ba04SDave Airlie * 906f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 907f453ba04SDave Airlie * connectors. 908f453ba04SDave Airlie */ 909f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 910f453ba04SDave Airlie { 911f453ba04SDave Airlie struct drm_property *scaling_mode; 912f453ba04SDave Airlie 913f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 914f453ba04SDave Airlie return 0; 915f453ba04SDave Airlie 916f453ba04SDave Airlie scaling_mode = 9174a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 9184a67d391SSascha Hauer drm_scaling_mode_enum_list, 919f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 920f453ba04SDave Airlie 921f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 922f453ba04SDave Airlie 923f453ba04SDave Airlie return 0; 924f453ba04SDave Airlie } 925f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 926f453ba04SDave Airlie 927f453ba04SDave Airlie /** 928f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 929f453ba04SDave Airlie * @dev: DRM device 930f453ba04SDave Airlie * 931f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 932f453ba04SDave Airlie * connectors. 933f453ba04SDave Airlie */ 934f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 935f453ba04SDave Airlie { 936f453ba04SDave Airlie struct drm_property *dithering_mode; 937f453ba04SDave Airlie 938f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 939f453ba04SDave Airlie return 0; 940f453ba04SDave Airlie 941f453ba04SDave Airlie dithering_mode = 9424a67d391SSascha Hauer drm_property_create_enum(dev, 0, "dithering", 9434a67d391SSascha Hauer drm_dithering_mode_enum_list, 944f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 945f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 946f453ba04SDave Airlie 947f453ba04SDave Airlie return 0; 948f453ba04SDave Airlie } 949f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 950f453ba04SDave Airlie 951f453ba04SDave Airlie /** 952884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 953884840aaSJakob Bornecrantz * @dev: DRM device 954884840aaSJakob Bornecrantz * 955884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 956884840aaSJakob Bornecrantz * connectors. 957884840aaSJakob Bornecrantz */ 958884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 959884840aaSJakob Bornecrantz { 960884840aaSJakob Bornecrantz struct drm_property *dirty_info; 961884840aaSJakob Bornecrantz 962884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 963884840aaSJakob Bornecrantz return 0; 964884840aaSJakob Bornecrantz 965884840aaSJakob Bornecrantz dirty_info = 9664a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 967884840aaSJakob Bornecrantz "dirty", 9684a67d391SSascha Hauer drm_dirty_info_enum_list, 969884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 970884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 971884840aaSJakob Bornecrantz 972884840aaSJakob Bornecrantz return 0; 973884840aaSJakob Bornecrantz } 974884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 975884840aaSJakob Bornecrantz 976884840aaSJakob Bornecrantz /** 977f453ba04SDave Airlie * drm_mode_config_init - initialize DRM mode_configuration structure 978f453ba04SDave Airlie * @dev: DRM device 979f453ba04SDave Airlie * 980f453ba04SDave Airlie * Initialize @dev's mode_config structure, used for tracking the graphics 981f453ba04SDave Airlie * configuration of @dev. 9828faf6b18SDaniel Vetter * 9838faf6b18SDaniel Vetter * Since this initializes the modeset locks, no locking is possible. Which is no 9848faf6b18SDaniel Vetter * problem, since this should happen single threaded at init time. It is the 9858faf6b18SDaniel Vetter * driver's problem to ensure this guarantee. 9868faf6b18SDaniel Vetter * 987f453ba04SDave Airlie */ 988f453ba04SDave Airlie void drm_mode_config_init(struct drm_device *dev) 989f453ba04SDave Airlie { 990f453ba04SDave Airlie mutex_init(&dev->mode_config.mutex); 991ad2563c2SJesse Barnes mutex_init(&dev->mode_config.idr_mutex); 992f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_list); 993f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.crtc_list); 994f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.connector_list); 995f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.encoder_list); 996f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_list); 997f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 9988cf5c917SJesse Barnes INIT_LIST_HEAD(&dev->mode_config.plane_list); 999f453ba04SDave Airlie idr_init(&dev->mode_config.crtc_idr); 1000f453ba04SDave Airlie 100184849903SDaniel Vetter drm_modeset_lock_all(dev); 1002f453ba04SDave Airlie drm_mode_create_standard_connector_properties(dev); 100384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1004f453ba04SDave Airlie 1005f453ba04SDave Airlie /* Just to be sure */ 1006f453ba04SDave Airlie dev->mode_config.num_fb = 0; 1007f453ba04SDave Airlie dev->mode_config.num_connector = 0; 1008f453ba04SDave Airlie dev->mode_config.num_crtc = 0; 1009f453ba04SDave Airlie dev->mode_config.num_encoder = 0; 1010f453ba04SDave Airlie } 1011f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_init); 1012f453ba04SDave Airlie 1013f453ba04SDave Airlie int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1014f453ba04SDave Airlie { 1015f453ba04SDave Airlie uint32_t total_objects = 0; 1016f453ba04SDave Airlie 1017f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1018f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1019f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1020f453ba04SDave Airlie 1021f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1022f453ba04SDave Airlie if (!group->id_list) 1023f453ba04SDave Airlie return -ENOMEM; 1024f453ba04SDave Airlie 1025f453ba04SDave Airlie group->num_crtcs = 0; 1026f453ba04SDave Airlie group->num_connectors = 0; 1027f453ba04SDave Airlie group->num_encoders = 0; 1028f453ba04SDave Airlie return 0; 1029f453ba04SDave Airlie } 1030f453ba04SDave Airlie 1031f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1032f453ba04SDave Airlie struct drm_mode_group *group) 1033f453ba04SDave Airlie { 1034f453ba04SDave Airlie struct drm_crtc *crtc; 1035f453ba04SDave Airlie struct drm_encoder *encoder; 1036f453ba04SDave Airlie struct drm_connector *connector; 1037f453ba04SDave Airlie int ret; 1038f453ba04SDave Airlie 1039f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1040f453ba04SDave Airlie return ret; 1041f453ba04SDave Airlie 1042f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1043f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1044f453ba04SDave Airlie 1045f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1046f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1047f453ba04SDave Airlie encoder->base.id; 1048f453ba04SDave Airlie 1049f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1050f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1051f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1052f453ba04SDave Airlie 1053f453ba04SDave Airlie return 0; 1054f453ba04SDave Airlie } 10559c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1056f453ba04SDave Airlie 1057f453ba04SDave Airlie /** 1058f453ba04SDave Airlie * drm_mode_config_cleanup - free up DRM mode_config info 1059f453ba04SDave Airlie * @dev: DRM device 1060f453ba04SDave Airlie * 1061f453ba04SDave Airlie * Free up all the connectors and CRTCs associated with this DRM device, then 1062f453ba04SDave Airlie * free up the framebuffers and associated buffer objects. 1063f453ba04SDave Airlie * 10648faf6b18SDaniel Vetter * Note that since this /should/ happen single-threaded at driver/device 10658faf6b18SDaniel Vetter * teardown time, no locking is required. It's the driver's job to ensure that 10668faf6b18SDaniel Vetter * this guarantee actually holds true. 10678faf6b18SDaniel Vetter * 1068f453ba04SDave Airlie * FIXME: cleanup any dangling user buffer objects too 1069f453ba04SDave Airlie */ 1070f453ba04SDave Airlie void drm_mode_config_cleanup(struct drm_device *dev) 1071f453ba04SDave Airlie { 1072f453ba04SDave Airlie struct drm_connector *connector, *ot; 1073f453ba04SDave Airlie struct drm_crtc *crtc, *ct; 1074f453ba04SDave Airlie struct drm_encoder *encoder, *enct; 1075f453ba04SDave Airlie struct drm_framebuffer *fb, *fbt; 1076f453ba04SDave Airlie struct drm_property *property, *pt; 10778cf5c917SJesse Barnes struct drm_plane *plane, *plt; 1078f453ba04SDave Airlie 1079f453ba04SDave Airlie list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 1080f453ba04SDave Airlie head) { 1081f453ba04SDave Airlie encoder->funcs->destroy(encoder); 1082f453ba04SDave Airlie } 1083f453ba04SDave Airlie 1084f453ba04SDave Airlie list_for_each_entry_safe(connector, ot, 1085f453ba04SDave Airlie &dev->mode_config.connector_list, head) { 1086f453ba04SDave Airlie connector->funcs->destroy(connector); 1087f453ba04SDave Airlie } 1088f453ba04SDave Airlie 1089f453ba04SDave Airlie list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 1090f453ba04SDave Airlie head) { 1091f453ba04SDave Airlie drm_property_destroy(dev, property); 1092f453ba04SDave Airlie } 1093f453ba04SDave Airlie 1094f453ba04SDave Airlie list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 1095f7eff60eSRob Clark drm_framebuffer_remove(fb); 1096f453ba04SDave Airlie } 1097f453ba04SDave Airlie 10988cf5c917SJesse Barnes list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 10998cf5c917SJesse Barnes head) { 11008cf5c917SJesse Barnes plane->funcs->destroy(plane); 11018cf5c917SJesse Barnes } 110259ce062eSSascha Hauer 11033184009cSChris Wilson list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 11043184009cSChris Wilson crtc->funcs->destroy(crtc); 11053184009cSChris Wilson } 11063184009cSChris Wilson 110759ce062eSSascha Hauer idr_remove_all(&dev->mode_config.crtc_idr); 110859ce062eSSascha Hauer idr_destroy(&dev->mode_config.crtc_idr); 1109f453ba04SDave Airlie } 1110f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_cleanup); 1111f453ba04SDave Airlie 1112f453ba04SDave Airlie /** 1113f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1114f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1115f453ba04SDave Airlie * @in: drm_display_mode to use 1116f453ba04SDave Airlie * 1117f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1118f453ba04SDave Airlie * the user. 1119f453ba04SDave Airlie */ 112093bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 112193bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1122f453ba04SDave Airlie { 1123e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1124e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1125e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1126e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1127e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1128e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1129e36fae38SVille Syrjälä 1130f453ba04SDave Airlie out->clock = in->clock; 1131f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1132f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1133f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1134f453ba04SDave Airlie out->htotal = in->htotal; 1135f453ba04SDave Airlie out->hskew = in->hskew; 1136f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1137f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1138f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1139f453ba04SDave Airlie out->vtotal = in->vtotal; 1140f453ba04SDave Airlie out->vscan = in->vscan; 1141f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1142f453ba04SDave Airlie out->flags = in->flags; 1143f453ba04SDave Airlie out->type = in->type; 1144f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1145f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1146f453ba04SDave Airlie } 1147f453ba04SDave Airlie 1148f453ba04SDave Airlie /** 1149f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1150f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1151f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1152f453ba04SDave Airlie * 1153f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1154f453ba04SDave Airlie * the caller. 115590367bf6SVille Syrjälä * 115690367bf6SVille Syrjälä * RETURNS: 115790367bf6SVille Syrjälä * Zero on success, errno on failure. 1158f453ba04SDave Airlie */ 115993bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 116093bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1161f453ba04SDave Airlie { 116290367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 116390367bf6SVille Syrjälä return -ERANGE; 116490367bf6SVille Syrjälä 1165f453ba04SDave Airlie out->clock = in->clock; 1166f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1167f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1168f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1169f453ba04SDave Airlie out->htotal = in->htotal; 1170f453ba04SDave Airlie out->hskew = in->hskew; 1171f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1172f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1173f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1174f453ba04SDave Airlie out->vtotal = in->vtotal; 1175f453ba04SDave Airlie out->vscan = in->vscan; 1176f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1177f453ba04SDave Airlie out->flags = in->flags; 1178f453ba04SDave Airlie out->type = in->type; 1179f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1180f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 118190367bf6SVille Syrjälä 118290367bf6SVille Syrjälä return 0; 1183f453ba04SDave Airlie } 1184f453ba04SDave Airlie 1185f453ba04SDave Airlie /** 1186f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1187065a50edSDaniel Vetter * @dev: drm device for the ioctl 1188065a50edSDaniel Vetter * @data: data pointer for the ioctl 1189065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1190f453ba04SDave Airlie * 1191f453ba04SDave Airlie * Construct a set of configuration description structures and return 1192f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1193f453ba04SDave Airlie * 1194f453ba04SDave Airlie * Called by the user via ioctl. 1195f453ba04SDave Airlie * 1196f453ba04SDave Airlie * RETURNS: 1197f453ba04SDave Airlie * Zero on success, errno on failure. 1198f453ba04SDave Airlie */ 1199f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1200f453ba04SDave Airlie struct drm_file *file_priv) 1201f453ba04SDave Airlie { 1202f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1203f453ba04SDave Airlie struct list_head *lh; 1204f453ba04SDave Airlie struct drm_framebuffer *fb; 1205f453ba04SDave Airlie struct drm_connector *connector; 1206f453ba04SDave Airlie struct drm_crtc *crtc; 1207f453ba04SDave Airlie struct drm_encoder *encoder; 1208f453ba04SDave Airlie int ret = 0; 1209f453ba04SDave Airlie int connector_count = 0; 1210f453ba04SDave Airlie int crtc_count = 0; 1211f453ba04SDave Airlie int fb_count = 0; 1212f453ba04SDave Airlie int encoder_count = 0; 1213f453ba04SDave Airlie int copied = 0, i; 1214f453ba04SDave Airlie uint32_t __user *fb_id; 1215f453ba04SDave Airlie uint32_t __user *crtc_id; 1216f453ba04SDave Airlie uint32_t __user *connector_id; 1217f453ba04SDave Airlie uint32_t __user *encoder_id; 1218f453ba04SDave Airlie struct drm_mode_group *mode_group; 1219f453ba04SDave Airlie 1220fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1221fb3b06c8SDave Airlie return -EINVAL; 1222fb3b06c8SDave Airlie 122384849903SDaniel Vetter drm_modeset_lock_all(dev); 1224f453ba04SDave Airlie 1225f453ba04SDave Airlie /* 1226f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1227f453ba04SDave Airlie * by IDs in the group list for this node 1228f453ba04SDave Airlie */ 1229f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1230f453ba04SDave Airlie fb_count++; 1231f453ba04SDave Airlie 1232f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1233f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1234f453ba04SDave Airlie 1235f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1236f453ba04SDave Airlie crtc_count++; 1237f453ba04SDave Airlie 1238f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1239f453ba04SDave Airlie connector_count++; 1240f453ba04SDave Airlie 1241f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1242f453ba04SDave Airlie encoder_count++; 1243f453ba04SDave Airlie } else { 1244f453ba04SDave Airlie 1245f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1246f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1247f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1248f453ba04SDave Airlie } 1249f453ba04SDave Airlie 1250f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1251f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1252f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1253f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1254f453ba04SDave Airlie 1255f453ba04SDave Airlie /* handle this in 4 parts */ 1256f453ba04SDave Airlie /* FBs */ 1257f453ba04SDave Airlie if (card_res->count_fbs >= fb_count) { 1258f453ba04SDave Airlie copied = 0; 1259f453ba04SDave Airlie fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 1260618c75e4SSascha Hauer list_for_each_entry(fb, &file_priv->fbs, filp_head) { 1261f453ba04SDave Airlie if (put_user(fb->base.id, fb_id + copied)) { 1262f453ba04SDave Airlie ret = -EFAULT; 1263f453ba04SDave Airlie goto out; 1264f453ba04SDave Airlie } 1265f453ba04SDave Airlie copied++; 1266f453ba04SDave Airlie } 1267f453ba04SDave Airlie } 1268f453ba04SDave Airlie card_res->count_fbs = fb_count; 1269f453ba04SDave Airlie 1270f453ba04SDave Airlie /* CRTCs */ 1271f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1272f453ba04SDave Airlie copied = 0; 1273f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1274f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1275f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1276f453ba04SDave Airlie head) { 12779440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1278f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1279f453ba04SDave Airlie ret = -EFAULT; 1280f453ba04SDave Airlie goto out; 1281f453ba04SDave Airlie } 1282f453ba04SDave Airlie copied++; 1283f453ba04SDave Airlie } 1284f453ba04SDave Airlie } else { 1285f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1286f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1287f453ba04SDave Airlie crtc_id + copied)) { 1288f453ba04SDave Airlie ret = -EFAULT; 1289f453ba04SDave Airlie goto out; 1290f453ba04SDave Airlie } 1291f453ba04SDave Airlie copied++; 1292f453ba04SDave Airlie } 1293f453ba04SDave Airlie } 1294f453ba04SDave Airlie } 1295f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1296f453ba04SDave Airlie 1297f453ba04SDave Airlie /* Encoders */ 1298f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1299f453ba04SDave Airlie copied = 0; 1300f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1301f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1302f453ba04SDave Airlie list_for_each_entry(encoder, 1303f453ba04SDave Airlie &dev->mode_config.encoder_list, 1304f453ba04SDave Airlie head) { 13059440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 13069440106bSJerome Glisse drm_get_encoder_name(encoder)); 1307f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1308f453ba04SDave Airlie copied)) { 1309f453ba04SDave Airlie ret = -EFAULT; 1310f453ba04SDave Airlie goto out; 1311f453ba04SDave Airlie } 1312f453ba04SDave Airlie copied++; 1313f453ba04SDave Airlie } 1314f453ba04SDave Airlie } else { 1315f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1316f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1317f453ba04SDave Airlie encoder_id + copied)) { 1318f453ba04SDave Airlie ret = -EFAULT; 1319f453ba04SDave Airlie goto out; 1320f453ba04SDave Airlie } 1321f453ba04SDave Airlie copied++; 1322f453ba04SDave Airlie } 1323f453ba04SDave Airlie 1324f453ba04SDave Airlie } 1325f453ba04SDave Airlie } 1326f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1327f453ba04SDave Airlie 1328f453ba04SDave Airlie /* Connectors */ 1329f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1330f453ba04SDave Airlie copied = 0; 1331f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1332f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1333f453ba04SDave Airlie list_for_each_entry(connector, 1334f453ba04SDave Airlie &dev->mode_config.connector_list, 1335f453ba04SDave Airlie head) { 13369440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 13379440106bSJerome Glisse connector->base.id, 13389440106bSJerome Glisse drm_get_connector_name(connector)); 1339f453ba04SDave Airlie if (put_user(connector->base.id, 1340f453ba04SDave Airlie connector_id + copied)) { 1341f453ba04SDave Airlie ret = -EFAULT; 1342f453ba04SDave Airlie goto out; 1343f453ba04SDave Airlie } 1344f453ba04SDave Airlie copied++; 1345f453ba04SDave Airlie } 1346f453ba04SDave Airlie } else { 1347f453ba04SDave Airlie int start = mode_group->num_crtcs + 1348f453ba04SDave Airlie mode_group->num_encoders; 1349f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1350f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1351f453ba04SDave Airlie connector_id + copied)) { 1352f453ba04SDave Airlie ret = -EFAULT; 1353f453ba04SDave Airlie goto out; 1354f453ba04SDave Airlie } 1355f453ba04SDave Airlie copied++; 1356f453ba04SDave Airlie } 1357f453ba04SDave Airlie } 1358f453ba04SDave Airlie } 1359f453ba04SDave Airlie card_res->count_connectors = connector_count; 1360f453ba04SDave Airlie 13619440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1362f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1363f453ba04SDave Airlie 1364f453ba04SDave Airlie out: 136584849903SDaniel Vetter drm_modeset_unlock_all(dev); 1366f453ba04SDave Airlie return ret; 1367f453ba04SDave Airlie } 1368f453ba04SDave Airlie 1369f453ba04SDave Airlie /** 1370f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1371065a50edSDaniel Vetter * @dev: drm device for the ioctl 1372065a50edSDaniel Vetter * @data: data pointer for the ioctl 1373065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1374f453ba04SDave Airlie * 1375f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1376f453ba04SDave Airlie * 1377f453ba04SDave Airlie * Called by the user via ioctl. 1378f453ba04SDave Airlie * 1379f453ba04SDave Airlie * RETURNS: 1380f453ba04SDave Airlie * Zero on success, errno on failure. 1381f453ba04SDave Airlie */ 1382f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1383f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1384f453ba04SDave Airlie { 1385f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1386f453ba04SDave Airlie struct drm_crtc *crtc; 1387f453ba04SDave Airlie struct drm_mode_object *obj; 1388f453ba04SDave Airlie int ret = 0; 1389f453ba04SDave Airlie 1390fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1391fb3b06c8SDave Airlie return -EINVAL; 1392fb3b06c8SDave Airlie 139384849903SDaniel Vetter drm_modeset_lock_all(dev); 1394f453ba04SDave Airlie 1395f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1396f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1397f453ba04SDave Airlie if (!obj) { 1398f453ba04SDave Airlie ret = -EINVAL; 1399f453ba04SDave Airlie goto out; 1400f453ba04SDave Airlie } 1401f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1402f453ba04SDave Airlie 1403f453ba04SDave Airlie crtc_resp->x = crtc->x; 1404f453ba04SDave Airlie crtc_resp->y = crtc->y; 1405f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1406f453ba04SDave Airlie if (crtc->fb) 1407f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1408f453ba04SDave Airlie else 1409f453ba04SDave Airlie crtc_resp->fb_id = 0; 1410f453ba04SDave Airlie 1411f453ba04SDave Airlie if (crtc->enabled) { 1412f453ba04SDave Airlie 1413f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1414f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1415f453ba04SDave Airlie 1416f453ba04SDave Airlie } else { 1417f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1418f453ba04SDave Airlie } 1419f453ba04SDave Airlie 1420f453ba04SDave Airlie out: 142184849903SDaniel Vetter drm_modeset_unlock_all(dev); 1422f453ba04SDave Airlie return ret; 1423f453ba04SDave Airlie } 1424f453ba04SDave Airlie 1425f453ba04SDave Airlie /** 1426f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1427065a50edSDaniel Vetter * @dev: drm device for the ioctl 1428065a50edSDaniel Vetter * @data: data pointer for the ioctl 1429065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1430f453ba04SDave Airlie * 1431f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1432f453ba04SDave Airlie * 1433f453ba04SDave Airlie * Called by the user via ioctl. 1434f453ba04SDave Airlie * 1435f453ba04SDave Airlie * RETURNS: 1436f453ba04SDave Airlie * Zero on success, errno on failure. 1437f453ba04SDave Airlie */ 1438f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1439f453ba04SDave Airlie struct drm_file *file_priv) 1440f453ba04SDave Airlie { 1441f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1442f453ba04SDave Airlie struct drm_mode_object *obj; 1443f453ba04SDave Airlie struct drm_connector *connector; 1444f453ba04SDave Airlie struct drm_display_mode *mode; 1445f453ba04SDave Airlie int mode_count = 0; 1446f453ba04SDave Airlie int props_count = 0; 1447f453ba04SDave Airlie int encoders_count = 0; 1448f453ba04SDave Airlie int ret = 0; 1449f453ba04SDave Airlie int copied = 0; 1450f453ba04SDave Airlie int i; 1451f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1452f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1453f453ba04SDave Airlie uint32_t __user *prop_ptr; 1454f453ba04SDave Airlie uint64_t __user *prop_values; 1455f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1456f453ba04SDave Airlie 1457fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1458fb3b06c8SDave Airlie return -EINVAL; 1459fb3b06c8SDave Airlie 1460f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1461f453ba04SDave Airlie 14629440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1463f453ba04SDave Airlie 146484849903SDaniel Vetter drm_modeset_lock_all(dev); 1465f453ba04SDave Airlie 1466f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1467f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1468f453ba04SDave Airlie if (!obj) { 1469f453ba04SDave Airlie ret = -EINVAL; 1470f453ba04SDave Airlie goto out; 1471f453ba04SDave Airlie } 1472f453ba04SDave Airlie connector = obj_to_connector(obj); 1473f453ba04SDave Airlie 14747f88a9beSPaulo Zanoni props_count = connector->properties.count; 1475f453ba04SDave Airlie 1476f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1477f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1478f453ba04SDave Airlie encoders_count++; 1479f453ba04SDave Airlie } 1480f453ba04SDave Airlie } 1481f453ba04SDave Airlie 1482f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1483f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1484f453ba04SDave Airlie dev->mode_config.max_width, 1485f453ba04SDave Airlie dev->mode_config.max_height); 1486f453ba04SDave Airlie } 1487f453ba04SDave Airlie 1488f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1489f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1490f453ba04SDave Airlie mode_count++; 1491f453ba04SDave Airlie 1492f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1493f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1494f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1495f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1496f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1497f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1498f453ba04SDave Airlie out_resp->connection = connector->status; 1499f453ba04SDave Airlie if (connector->encoder) 1500f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1501f453ba04SDave Airlie else 1502f453ba04SDave Airlie out_resp->encoder_id = 0; 1503f453ba04SDave Airlie 1504f453ba04SDave Airlie /* 1505f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1506f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1507f453ba04SDave Airlie */ 1508f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1509f453ba04SDave Airlie copied = 0; 151081f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 1511f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1512f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1513f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1514f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1515f453ba04SDave Airlie ret = -EFAULT; 1516f453ba04SDave Airlie goto out; 1517f453ba04SDave Airlie } 1518f453ba04SDave Airlie copied++; 1519f453ba04SDave Airlie } 1520f453ba04SDave Airlie } 1521f453ba04SDave Airlie out_resp->count_modes = mode_count; 1522f453ba04SDave Airlie 1523f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1524f453ba04SDave Airlie copied = 0; 152581f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 152681f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 15277f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 15287e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 1529f453ba04SDave Airlie prop_ptr + copied)) { 1530f453ba04SDave Airlie ret = -EFAULT; 1531f453ba04SDave Airlie goto out; 1532f453ba04SDave Airlie } 1533f453ba04SDave Airlie 15347e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 1535f453ba04SDave Airlie prop_values + copied)) { 1536f453ba04SDave Airlie ret = -EFAULT; 1537f453ba04SDave Airlie goto out; 1538f453ba04SDave Airlie } 1539f453ba04SDave Airlie copied++; 1540f453ba04SDave Airlie } 1541f453ba04SDave Airlie } 1542f453ba04SDave Airlie out_resp->count_props = props_count; 1543f453ba04SDave Airlie 1544f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1545f453ba04SDave Airlie copied = 0; 154681f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 1547f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1548f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1549f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1550f453ba04SDave Airlie encoder_ptr + copied)) { 1551f453ba04SDave Airlie ret = -EFAULT; 1552f453ba04SDave Airlie goto out; 1553f453ba04SDave Airlie } 1554f453ba04SDave Airlie copied++; 1555f453ba04SDave Airlie } 1556f453ba04SDave Airlie } 1557f453ba04SDave Airlie } 1558f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1559f453ba04SDave Airlie 1560f453ba04SDave Airlie out: 156184849903SDaniel Vetter drm_modeset_unlock_all(dev); 1562f453ba04SDave Airlie return ret; 1563f453ba04SDave Airlie } 1564f453ba04SDave Airlie 1565f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1566f453ba04SDave Airlie struct drm_file *file_priv) 1567f453ba04SDave Airlie { 1568f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1569f453ba04SDave Airlie struct drm_mode_object *obj; 1570f453ba04SDave Airlie struct drm_encoder *encoder; 1571f453ba04SDave Airlie int ret = 0; 1572f453ba04SDave Airlie 1573fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1574fb3b06c8SDave Airlie return -EINVAL; 1575fb3b06c8SDave Airlie 157684849903SDaniel Vetter drm_modeset_lock_all(dev); 1577f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1578f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1579f453ba04SDave Airlie if (!obj) { 1580f453ba04SDave Airlie ret = -EINVAL; 1581f453ba04SDave Airlie goto out; 1582f453ba04SDave Airlie } 1583f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1584f453ba04SDave Airlie 1585f453ba04SDave Airlie if (encoder->crtc) 1586f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1587f453ba04SDave Airlie else 1588f453ba04SDave Airlie enc_resp->crtc_id = 0; 1589f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1590f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1591f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1592f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1593f453ba04SDave Airlie 1594f453ba04SDave Airlie out: 159584849903SDaniel Vetter drm_modeset_unlock_all(dev); 1596f453ba04SDave Airlie return ret; 1597f453ba04SDave Airlie } 1598f453ba04SDave Airlie 1599f453ba04SDave Airlie /** 16008cf5c917SJesse Barnes * drm_mode_getplane_res - get plane info 16018cf5c917SJesse Barnes * @dev: DRM device 16028cf5c917SJesse Barnes * @data: ioctl data 16038cf5c917SJesse Barnes * @file_priv: DRM file info 16048cf5c917SJesse Barnes * 16058cf5c917SJesse Barnes * Return an plane count and set of IDs. 16068cf5c917SJesse Barnes */ 16078cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 16088cf5c917SJesse Barnes struct drm_file *file_priv) 16098cf5c917SJesse Barnes { 16108cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 16118cf5c917SJesse Barnes struct drm_mode_config *config; 16128cf5c917SJesse Barnes struct drm_plane *plane; 16138cf5c917SJesse Barnes uint32_t __user *plane_ptr; 16148cf5c917SJesse Barnes int copied = 0, ret = 0; 16158cf5c917SJesse Barnes 16168cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 16178cf5c917SJesse Barnes return -EINVAL; 16188cf5c917SJesse Barnes 161984849903SDaniel Vetter drm_modeset_lock_all(dev); 16208cf5c917SJesse Barnes config = &dev->mode_config; 16218cf5c917SJesse Barnes 16228cf5c917SJesse Barnes /* 16238cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 16248cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 16258cf5c917SJesse Barnes */ 16268cf5c917SJesse Barnes if (config->num_plane && 16278cf5c917SJesse Barnes (plane_resp->count_planes >= config->num_plane)) { 162881f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 16298cf5c917SJesse Barnes 16308cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 16318cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 16328cf5c917SJesse Barnes ret = -EFAULT; 16338cf5c917SJesse Barnes goto out; 16348cf5c917SJesse Barnes } 16358cf5c917SJesse Barnes copied++; 16368cf5c917SJesse Barnes } 16378cf5c917SJesse Barnes } 16388cf5c917SJesse Barnes plane_resp->count_planes = config->num_plane; 16398cf5c917SJesse Barnes 16408cf5c917SJesse Barnes out: 164184849903SDaniel Vetter drm_modeset_unlock_all(dev); 16428cf5c917SJesse Barnes return ret; 16438cf5c917SJesse Barnes } 16448cf5c917SJesse Barnes 16458cf5c917SJesse Barnes /** 16468cf5c917SJesse Barnes * drm_mode_getplane - get plane info 16478cf5c917SJesse Barnes * @dev: DRM device 16488cf5c917SJesse Barnes * @data: ioctl data 16498cf5c917SJesse Barnes * @file_priv: DRM file info 16508cf5c917SJesse Barnes * 16518cf5c917SJesse Barnes * Return plane info, including formats supported, gamma size, any 16528cf5c917SJesse Barnes * current fb, etc. 16538cf5c917SJesse Barnes */ 16548cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 16558cf5c917SJesse Barnes struct drm_file *file_priv) 16568cf5c917SJesse Barnes { 16578cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 16588cf5c917SJesse Barnes struct drm_mode_object *obj; 16598cf5c917SJesse Barnes struct drm_plane *plane; 16608cf5c917SJesse Barnes uint32_t __user *format_ptr; 16618cf5c917SJesse Barnes int ret = 0; 16628cf5c917SJesse Barnes 16638cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 16648cf5c917SJesse Barnes return -EINVAL; 16658cf5c917SJesse Barnes 166684849903SDaniel Vetter drm_modeset_lock_all(dev); 16678cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_resp->plane_id, 16688cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 16698cf5c917SJesse Barnes if (!obj) { 16708cf5c917SJesse Barnes ret = -ENOENT; 16718cf5c917SJesse Barnes goto out; 16728cf5c917SJesse Barnes } 16738cf5c917SJesse Barnes plane = obj_to_plane(obj); 16748cf5c917SJesse Barnes 16758cf5c917SJesse Barnes if (plane->crtc) 16768cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 16778cf5c917SJesse Barnes else 16788cf5c917SJesse Barnes plane_resp->crtc_id = 0; 16798cf5c917SJesse Barnes 16808cf5c917SJesse Barnes if (plane->fb) 16818cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 16828cf5c917SJesse Barnes else 16838cf5c917SJesse Barnes plane_resp->fb_id = 0; 16848cf5c917SJesse Barnes 16858cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 16868cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 16878cf5c917SJesse Barnes plane_resp->gamma_size = plane->gamma_size; 16888cf5c917SJesse Barnes 16898cf5c917SJesse Barnes /* 16908cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 16918cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 16928cf5c917SJesse Barnes */ 16938cf5c917SJesse Barnes if (plane->format_count && 16948cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 169581f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 16968cf5c917SJesse Barnes if (copy_to_user(format_ptr, 16978cf5c917SJesse Barnes plane->format_types, 16988cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 16998cf5c917SJesse Barnes ret = -EFAULT; 17008cf5c917SJesse Barnes goto out; 17018cf5c917SJesse Barnes } 17028cf5c917SJesse Barnes } 17038cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 17048cf5c917SJesse Barnes 17058cf5c917SJesse Barnes out: 170684849903SDaniel Vetter drm_modeset_unlock_all(dev); 17078cf5c917SJesse Barnes return ret; 17088cf5c917SJesse Barnes } 17098cf5c917SJesse Barnes 17108cf5c917SJesse Barnes /** 17118cf5c917SJesse Barnes * drm_mode_setplane - set up or tear down an plane 17128cf5c917SJesse Barnes * @dev: DRM device 17138cf5c917SJesse Barnes * @data: ioctl data* 1714065a50edSDaniel Vetter * @file_priv: DRM file info 17158cf5c917SJesse Barnes * 17168cf5c917SJesse Barnes * Set plane info, including placement, fb, scaling, and other factors. 17178cf5c917SJesse Barnes * Or pass a NULL fb to disable. 17188cf5c917SJesse Barnes */ 17198cf5c917SJesse Barnes int drm_mode_setplane(struct drm_device *dev, void *data, 17208cf5c917SJesse Barnes struct drm_file *file_priv) 17218cf5c917SJesse Barnes { 17228cf5c917SJesse Barnes struct drm_mode_set_plane *plane_req = data; 17238cf5c917SJesse Barnes struct drm_mode_object *obj; 17248cf5c917SJesse Barnes struct drm_plane *plane; 17258cf5c917SJesse Barnes struct drm_crtc *crtc; 17268cf5c917SJesse Barnes struct drm_framebuffer *fb; 17278cf5c917SJesse Barnes int ret = 0; 172842ef8789SVille Syrjälä unsigned int fb_width, fb_height; 172962443be6SVille Syrjälä int i; 17308cf5c917SJesse Barnes 17318cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17328cf5c917SJesse Barnes return -EINVAL; 17338cf5c917SJesse Barnes 173484849903SDaniel Vetter drm_modeset_lock_all(dev); 17358cf5c917SJesse Barnes 17368cf5c917SJesse Barnes /* 17378cf5c917SJesse Barnes * First, find the plane, crtc, and fb objects. If not available, 17388cf5c917SJesse Barnes * we don't bother to call the driver. 17398cf5c917SJesse Barnes */ 17408cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->plane_id, 17418cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 17428cf5c917SJesse Barnes if (!obj) { 17438cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown plane ID %d\n", 17448cf5c917SJesse Barnes plane_req->plane_id); 17458cf5c917SJesse Barnes ret = -ENOENT; 17468cf5c917SJesse Barnes goto out; 17478cf5c917SJesse Barnes } 17488cf5c917SJesse Barnes plane = obj_to_plane(obj); 17498cf5c917SJesse Barnes 17508cf5c917SJesse Barnes /* No fb means shut it down */ 17518cf5c917SJesse Barnes if (!plane_req->fb_id) { 17528cf5c917SJesse Barnes plane->funcs->disable_plane(plane); 1753e5e3b44cSVille Syrjälä plane->crtc = NULL; 1754e5e3b44cSVille Syrjälä plane->fb = NULL; 17558cf5c917SJesse Barnes goto out; 17568cf5c917SJesse Barnes } 17578cf5c917SJesse Barnes 17588cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->crtc_id, 17598cf5c917SJesse Barnes DRM_MODE_OBJECT_CRTC); 17608cf5c917SJesse Barnes if (!obj) { 17618cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown crtc ID %d\n", 17628cf5c917SJesse Barnes plane_req->crtc_id); 17638cf5c917SJesse Barnes ret = -ENOENT; 17648cf5c917SJesse Barnes goto out; 17658cf5c917SJesse Barnes } 17668cf5c917SJesse Barnes crtc = obj_to_crtc(obj); 17678cf5c917SJesse Barnes 17688cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->fb_id, 17698cf5c917SJesse Barnes DRM_MODE_OBJECT_FB); 17708cf5c917SJesse Barnes if (!obj) { 17718cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 17728cf5c917SJesse Barnes plane_req->fb_id); 17738cf5c917SJesse Barnes ret = -ENOENT; 17748cf5c917SJesse Barnes goto out; 17758cf5c917SJesse Barnes } 17768cf5c917SJesse Barnes fb = obj_to_fb(obj); 17778cf5c917SJesse Barnes 177862443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 177962443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 178062443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 178162443be6SVille Syrjälä break; 178262443be6SVille Syrjälä if (i == plane->format_count) { 178362443be6SVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); 178462443be6SVille Syrjälä ret = -EINVAL; 178562443be6SVille Syrjälä goto out; 178662443be6SVille Syrjälä } 178762443be6SVille Syrjälä 178842ef8789SVille Syrjälä fb_width = fb->width << 16; 178942ef8789SVille Syrjälä fb_height = fb->height << 16; 179042ef8789SVille Syrjälä 179142ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 179242ef8789SVille Syrjälä if (plane_req->src_w > fb_width || 179342ef8789SVille Syrjälä plane_req->src_x > fb_width - plane_req->src_w || 179442ef8789SVille Syrjälä plane_req->src_h > fb_height || 179542ef8789SVille Syrjälä plane_req->src_y > fb_height - plane_req->src_h) { 179642ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 179742ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 179842ef8789SVille Syrjälä plane_req->src_w >> 16, 179942ef8789SVille Syrjälä ((plane_req->src_w & 0xffff) * 15625) >> 10, 180042ef8789SVille Syrjälä plane_req->src_h >> 16, 180142ef8789SVille Syrjälä ((plane_req->src_h & 0xffff) * 15625) >> 10, 180242ef8789SVille Syrjälä plane_req->src_x >> 16, 180342ef8789SVille Syrjälä ((plane_req->src_x & 0xffff) * 15625) >> 10, 180442ef8789SVille Syrjälä plane_req->src_y >> 16, 180542ef8789SVille Syrjälä ((plane_req->src_y & 0xffff) * 15625) >> 10); 180642ef8789SVille Syrjälä ret = -ENOSPC; 180742ef8789SVille Syrjälä goto out; 180842ef8789SVille Syrjälä } 180942ef8789SVille Syrjälä 1810687a0400SVille Syrjälä /* Give drivers some help against integer overflows */ 1811687a0400SVille Syrjälä if (plane_req->crtc_w > INT_MAX || 1812687a0400SVille Syrjälä plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 1813687a0400SVille Syrjälä plane_req->crtc_h > INT_MAX || 1814687a0400SVille Syrjälä plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 1815687a0400SVille Syrjälä DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 1816687a0400SVille Syrjälä plane_req->crtc_w, plane_req->crtc_h, 1817687a0400SVille Syrjälä plane_req->crtc_x, plane_req->crtc_y); 1818687a0400SVille Syrjälä ret = -ERANGE; 1819687a0400SVille Syrjälä goto out; 1820687a0400SVille Syrjälä } 1821687a0400SVille Syrjälä 18228cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 18238cf5c917SJesse Barnes plane_req->crtc_x, plane_req->crtc_y, 18248cf5c917SJesse Barnes plane_req->crtc_w, plane_req->crtc_h, 18258cf5c917SJesse Barnes plane_req->src_x, plane_req->src_y, 18268cf5c917SJesse Barnes plane_req->src_w, plane_req->src_h); 18278cf5c917SJesse Barnes if (!ret) { 18288cf5c917SJesse Barnes plane->crtc = crtc; 18298cf5c917SJesse Barnes plane->fb = fb; 18308cf5c917SJesse Barnes } 18318cf5c917SJesse Barnes 18328cf5c917SJesse Barnes out: 183384849903SDaniel Vetter drm_modeset_unlock_all(dev); 18348cf5c917SJesse Barnes 18358cf5c917SJesse Barnes return ret; 18368cf5c917SJesse Barnes } 18378cf5c917SJesse Barnes 18388cf5c917SJesse Barnes /** 18392d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 18402d13b679SDaniel Vetter * @set: modeset config to set 18412d13b679SDaniel Vetter * 18422d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 18432d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 18442d13b679SDaniel Vetter */ 18452d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 18462d13b679SDaniel Vetter { 18472d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 18482d13b679SDaniel Vetter 18492d13b679SDaniel Vetter return crtc->funcs->set_config(set); 18502d13b679SDaniel Vetter } 18512d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 18522d13b679SDaniel Vetter 18532d13b679SDaniel Vetter /** 1854f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1855065a50edSDaniel Vetter * @dev: drm device for the ioctl 1856065a50edSDaniel Vetter * @data: data pointer for the ioctl 1857065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1858f453ba04SDave Airlie * 1859f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1860f453ba04SDave Airlie * 1861f453ba04SDave Airlie * Called by the user via ioctl. 1862f453ba04SDave Airlie * 1863f453ba04SDave Airlie * RETURNS: 1864f453ba04SDave Airlie * Zero on success, errno on failure. 1865f453ba04SDave Airlie */ 1866f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1867f453ba04SDave Airlie struct drm_file *file_priv) 1868f453ba04SDave Airlie { 1869f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1870f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1871f453ba04SDave Airlie struct drm_mode_object *obj; 18726653cc8dSVille Syrjälä struct drm_crtc *crtc; 1873f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1874f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1875f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1876f453ba04SDave Airlie struct drm_mode_set set; 1877f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 18784a1b0714SLaurent Pinchart int ret; 1879f453ba04SDave Airlie int i; 1880f453ba04SDave Airlie 1881fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1882fb3b06c8SDave Airlie return -EINVAL; 1883fb3b06c8SDave Airlie 18841d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 18851d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 18861d97e915SVille Syrjälä return -ERANGE; 18871d97e915SVille Syrjälä 188884849903SDaniel Vetter drm_modeset_lock_all(dev); 1889f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1890f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1891f453ba04SDave Airlie if (!obj) { 189258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1893f453ba04SDave Airlie ret = -EINVAL; 1894f453ba04SDave Airlie goto out; 1895f453ba04SDave Airlie } 1896f453ba04SDave Airlie crtc = obj_to_crtc(obj); 18979440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1898f453ba04SDave Airlie 1899f453ba04SDave Airlie if (crtc_req->mode_valid) { 19007c80e128SRob Clark int hdisplay, vdisplay; 1901f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 1902f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 1903f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 19046653cc8dSVille Syrjälä if (!crtc->fb) { 19056653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 19066653cc8dSVille Syrjälä ret = -EINVAL; 19076653cc8dSVille Syrjälä goto out; 19086653cc8dSVille Syrjälä } 1909f453ba04SDave Airlie fb = crtc->fb; 1910f453ba04SDave Airlie } else { 1911f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->fb_id, 1912f453ba04SDave Airlie DRM_MODE_OBJECT_FB); 1913f453ba04SDave Airlie if (!obj) { 191458367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 191558367ed6SZhao Yakui crtc_req->fb_id); 1916f453ba04SDave Airlie ret = -EINVAL; 1917f453ba04SDave Airlie goto out; 1918f453ba04SDave Airlie } 1919f453ba04SDave Airlie fb = obj_to_fb(obj); 1920f453ba04SDave Airlie } 1921f453ba04SDave Airlie 1922f453ba04SDave Airlie mode = drm_mode_create(dev); 1923ee34ab5bSVille Syrjälä if (!mode) { 1924ee34ab5bSVille Syrjälä ret = -ENOMEM; 1925ee34ab5bSVille Syrjälä goto out; 1926ee34ab5bSVille Syrjälä } 1927ee34ab5bSVille Syrjälä 192890367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 192990367bf6SVille Syrjälä if (ret) { 193090367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 193190367bf6SVille Syrjälä goto out; 193290367bf6SVille Syrjälä } 193390367bf6SVille Syrjälä 1934f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 19355f61bb42SVille Syrjälä 19367c80e128SRob Clark hdisplay = mode->hdisplay; 19377c80e128SRob Clark vdisplay = mode->vdisplay; 19387c80e128SRob Clark 19397c80e128SRob Clark if (crtc->invert_dimensions) 19407c80e128SRob Clark swap(hdisplay, vdisplay); 19417c80e128SRob Clark 19427c80e128SRob Clark if (hdisplay > fb->width || 19437c80e128SRob Clark vdisplay > fb->height || 19447c80e128SRob Clark crtc_req->x > fb->width - hdisplay || 19457c80e128SRob Clark crtc_req->y > fb->height - vdisplay) { 19467c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 19477c80e128SRob Clark fb->width, fb->height, 19487c80e128SRob Clark hdisplay, vdisplay, crtc_req->x, crtc_req->y, 19497c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 19505f61bb42SVille Syrjälä ret = -ENOSPC; 19515f61bb42SVille Syrjälä goto out; 19525f61bb42SVille Syrjälä } 1953f453ba04SDave Airlie } 1954f453ba04SDave Airlie 1955f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 195658367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 1957f453ba04SDave Airlie ret = -EINVAL; 1958f453ba04SDave Airlie goto out; 1959f453ba04SDave Airlie } 1960f453ba04SDave Airlie 19617781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 196258367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 1963f453ba04SDave Airlie crtc_req->count_connectors); 1964f453ba04SDave Airlie ret = -EINVAL; 1965f453ba04SDave Airlie goto out; 1966f453ba04SDave Airlie } 1967f453ba04SDave Airlie 1968f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 1969f453ba04SDave Airlie u32 out_id; 1970f453ba04SDave Airlie 1971f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 1972f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 1973f453ba04SDave Airlie ret = -EINVAL; 1974f453ba04SDave Airlie goto out; 1975f453ba04SDave Airlie } 1976f453ba04SDave Airlie 1977f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 1978f453ba04SDave Airlie sizeof(struct drm_connector *), 1979f453ba04SDave Airlie GFP_KERNEL); 1980f453ba04SDave Airlie if (!connector_set) { 1981f453ba04SDave Airlie ret = -ENOMEM; 1982f453ba04SDave Airlie goto out; 1983f453ba04SDave Airlie } 1984f453ba04SDave Airlie 1985f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 198681f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 1987f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 1988f453ba04SDave Airlie ret = -EFAULT; 1989f453ba04SDave Airlie goto out; 1990f453ba04SDave Airlie } 1991f453ba04SDave Airlie 1992f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 1993f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1994f453ba04SDave Airlie if (!obj) { 199558367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 199658367ed6SZhao Yakui out_id); 1997f453ba04SDave Airlie ret = -EINVAL; 1998f453ba04SDave Airlie goto out; 1999f453ba04SDave Airlie } 2000f453ba04SDave Airlie connector = obj_to_connector(obj); 20019440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 20029440106bSJerome Glisse connector->base.id, 20039440106bSJerome Glisse drm_get_connector_name(connector)); 2004f453ba04SDave Airlie 2005f453ba04SDave Airlie connector_set[i] = connector; 2006f453ba04SDave Airlie } 2007f453ba04SDave Airlie } 2008f453ba04SDave Airlie 2009f453ba04SDave Airlie set.crtc = crtc; 2010f453ba04SDave Airlie set.x = crtc_req->x; 2011f453ba04SDave Airlie set.y = crtc_req->y; 2012f453ba04SDave Airlie set.mode = mode; 2013f453ba04SDave Airlie set.connectors = connector_set; 2014f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2015f453ba04SDave Airlie set.fb = fb; 20162d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2017f453ba04SDave Airlie 2018f453ba04SDave Airlie out: 2019f453ba04SDave Airlie kfree(connector_set); 2020ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 202184849903SDaniel Vetter drm_modeset_unlock_all(dev); 2022f453ba04SDave Airlie return ret; 2023f453ba04SDave Airlie } 2024f453ba04SDave Airlie 2025f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 2026f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2027f453ba04SDave Airlie { 2028f453ba04SDave Airlie struct drm_mode_cursor *req = data; 2029f453ba04SDave Airlie struct drm_mode_object *obj; 2030f453ba04SDave Airlie struct drm_crtc *crtc; 2031f453ba04SDave Airlie int ret = 0; 2032f453ba04SDave Airlie 2033fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2034fb3b06c8SDave Airlie return -EINVAL; 2035fb3b06c8SDave Airlie 20367c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2037f453ba04SDave Airlie return -EINVAL; 2038f453ba04SDave Airlie 203984849903SDaniel Vetter drm_modeset_lock_all(dev); 2040e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 2041f453ba04SDave Airlie if (!obj) { 204258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2043f453ba04SDave Airlie ret = -EINVAL; 2044f453ba04SDave Airlie goto out; 2045f453ba04SDave Airlie } 2046f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2047f453ba04SDave Airlie 2048f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 2049f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 2050f453ba04SDave Airlie ret = -ENXIO; 2051f453ba04SDave Airlie goto out; 2052f453ba04SDave Airlie } 2053f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 2054f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2055f453ba04SDave Airlie req->width, req->height); 2056f453ba04SDave Airlie } 2057f453ba04SDave Airlie 2058f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2059f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2060f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2061f453ba04SDave Airlie } else { 2062f453ba04SDave Airlie ret = -EFAULT; 2063f453ba04SDave Airlie goto out; 2064f453ba04SDave Airlie } 2065f453ba04SDave Airlie } 2066f453ba04SDave Airlie out: 206784849903SDaniel Vetter drm_modeset_unlock_all(dev); 2068f453ba04SDave Airlie return ret; 2069f453ba04SDave Airlie } 2070f453ba04SDave Airlie 2071308e5bcbSJesse Barnes /* Original addfb only supported RGB formats, so figure out which one */ 2072308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2073308e5bcbSJesse Barnes { 2074308e5bcbSJesse Barnes uint32_t fmt; 2075308e5bcbSJesse Barnes 2076308e5bcbSJesse Barnes switch (bpp) { 2077308e5bcbSJesse Barnes case 8: 207804b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB332; 2079308e5bcbSJesse Barnes break; 2080308e5bcbSJesse Barnes case 16: 2081308e5bcbSJesse Barnes if (depth == 15) 208204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2083308e5bcbSJesse Barnes else 208404b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2085308e5bcbSJesse Barnes break; 2086308e5bcbSJesse Barnes case 24: 208704b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2088308e5bcbSJesse Barnes break; 2089308e5bcbSJesse Barnes case 32: 2090308e5bcbSJesse Barnes if (depth == 24) 209104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2092308e5bcbSJesse Barnes else if (depth == 30) 209304b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2094308e5bcbSJesse Barnes else 209504b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2096308e5bcbSJesse Barnes break; 2097308e5bcbSJesse Barnes default: 209804b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 209904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2100308e5bcbSJesse Barnes break; 2101308e5bcbSJesse Barnes } 2102308e5bcbSJesse Barnes 2103308e5bcbSJesse Barnes return fmt; 2104308e5bcbSJesse Barnes } 2105308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2106308e5bcbSJesse Barnes 2107f453ba04SDave Airlie /** 2108f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2109065a50edSDaniel Vetter * @dev: drm device for the ioctl 2110065a50edSDaniel Vetter * @data: data pointer for the ioctl 2111065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2112f453ba04SDave Airlie * 2113f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 2114f453ba04SDave Airlie * 2115f453ba04SDave Airlie * Called by the user via ioctl. 2116f453ba04SDave Airlie * 2117f453ba04SDave Airlie * RETURNS: 2118f453ba04SDave Airlie * Zero on success, errno on failure. 2119f453ba04SDave Airlie */ 2120f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2121f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2122f453ba04SDave Airlie { 2123308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2124308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2125308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2126308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2127308e5bcbSJesse Barnes int ret = 0; 2128308e5bcbSJesse Barnes 2129308e5bcbSJesse Barnes /* Use new struct with format internally */ 2130308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2131308e5bcbSJesse Barnes r.width = or->width; 2132308e5bcbSJesse Barnes r.height = or->height; 2133308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2134308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2135308e5bcbSJesse Barnes r.handles[0] = or->handle; 2136308e5bcbSJesse Barnes 2137308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2138308e5bcbSJesse Barnes return -EINVAL; 2139308e5bcbSJesse Barnes 2140acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2141308e5bcbSJesse Barnes return -EINVAL; 2142acb4b992SJesse Barnes 2143acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2144308e5bcbSJesse Barnes return -EINVAL; 2145308e5bcbSJesse Barnes 214684849903SDaniel Vetter drm_modeset_lock_all(dev); 2147308e5bcbSJesse Barnes 2148308e5bcbSJesse Barnes /* TODO check buffer is sufficiently large */ 2149308e5bcbSJesse Barnes /* TODO setup destructor callback */ 2150308e5bcbSJesse Barnes 2151308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2152308e5bcbSJesse Barnes if (IS_ERR(fb)) { 21531aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 2154308e5bcbSJesse Barnes ret = PTR_ERR(fb); 2155308e5bcbSJesse Barnes goto out; 2156308e5bcbSJesse Barnes } 2157308e5bcbSJesse Barnes 2158308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2159308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2160308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 2161308e5bcbSJesse Barnes 2162308e5bcbSJesse Barnes out: 216384849903SDaniel Vetter drm_modeset_unlock_all(dev); 2164308e5bcbSJesse Barnes return ret; 2165308e5bcbSJesse Barnes } 2166308e5bcbSJesse Barnes 2167cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2168935b5977SVille Syrjälä { 2169935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2170935b5977SVille Syrjälä 2171935b5977SVille Syrjälä switch (format) { 2172935b5977SVille Syrjälä case DRM_FORMAT_C8: 2173935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2174935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2175935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2176935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2177935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2178935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2179935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2180935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2181935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2182935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2183935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2184935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2185935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 2186935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 2187935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 2188935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 2189935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 2190935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 2191935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 2192935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 2193935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 2194935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 2195935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 2196935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 2197935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 2198935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 2199935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 2200935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 2201935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 2202935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 2203935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 2204935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 2205935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 2206935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 2207935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 2208935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 2209935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 2210935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 2211935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 2212935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 2213935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 2214935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 2215935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 2216935b5977SVille Syrjälä case DRM_FORMAT_NV12: 2217935b5977SVille Syrjälä case DRM_FORMAT_NV21: 2218935b5977SVille Syrjälä case DRM_FORMAT_NV16: 2219935b5977SVille Syrjälä case DRM_FORMAT_NV61: 2220ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 2221ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 2222935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 2223935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 2224935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 2225935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 2226935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 2227935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 2228935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 2229935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 2230935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 2231935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 2232935b5977SVille Syrjälä return 0; 2233935b5977SVille Syrjälä default: 2234935b5977SVille Syrjälä return -EINVAL; 2235935b5977SVille Syrjälä } 2236935b5977SVille Syrjälä } 2237935b5977SVille Syrjälä 2238cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 2239d1b45d5fSVille Syrjälä { 2240d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 2241d1b45d5fSVille Syrjälä 2242d1b45d5fSVille Syrjälä ret = format_check(r); 2243d1b45d5fSVille Syrjälä if (ret) { 22441aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); 2245d1b45d5fSVille Syrjälä return ret; 2246d1b45d5fSVille Syrjälä } 2247d1b45d5fSVille Syrjälä 2248d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 2249d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 2250d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 2251d1b45d5fSVille Syrjälä 2252d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 22531aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 2254d1b45d5fSVille Syrjälä return -EINVAL; 2255d1b45d5fSVille Syrjälä } 2256d1b45d5fSVille Syrjälä 2257d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 22581aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 2259d1b45d5fSVille Syrjälä return -EINVAL; 2260d1b45d5fSVille Syrjälä } 2261d1b45d5fSVille Syrjälä 2262d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 2263d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 2264b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 2265b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 2266d1b45d5fSVille Syrjälä 2267d1b45d5fSVille Syrjälä if (!r->handles[i]) { 22681aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 2269d1b45d5fSVille Syrjälä return -EINVAL; 2270d1b45d5fSVille Syrjälä } 2271d1b45d5fSVille Syrjälä 2272b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 2273b180b5d1SVille Syrjälä return -ERANGE; 2274b180b5d1SVille Syrjälä 2275b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 2276b180b5d1SVille Syrjälä return -ERANGE; 2277b180b5d1SVille Syrjälä 2278b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 22791aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 2280d1b45d5fSVille Syrjälä return -EINVAL; 2281d1b45d5fSVille Syrjälä } 2282d1b45d5fSVille Syrjälä } 2283d1b45d5fSVille Syrjälä 2284d1b45d5fSVille Syrjälä return 0; 2285d1b45d5fSVille Syrjälä } 2286d1b45d5fSVille Syrjälä 2287308e5bcbSJesse Barnes /** 2288308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 2289065a50edSDaniel Vetter * @dev: drm device for the ioctl 2290065a50edSDaniel Vetter * @data: data pointer for the ioctl 2291065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2292308e5bcbSJesse Barnes * 2293308e5bcbSJesse Barnes * Add a new FB to the specified CRTC, given a user request with format. 2294308e5bcbSJesse Barnes * 2295308e5bcbSJesse Barnes * Called by the user via ioctl. 2296308e5bcbSJesse Barnes * 2297308e5bcbSJesse Barnes * RETURNS: 2298308e5bcbSJesse Barnes * Zero on success, errno on failure. 2299308e5bcbSJesse Barnes */ 2300308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 2301308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 2302308e5bcbSJesse Barnes { 2303308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 *r = data; 2304f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2305f453ba04SDave Airlie struct drm_framebuffer *fb; 23064a1b0714SLaurent Pinchart int ret; 2307f453ba04SDave Airlie 2308fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2309fb3b06c8SDave Airlie return -EINVAL; 2310fb3b06c8SDave Airlie 2311e3cc3520SVille Syrjälä if (r->flags & ~DRM_MODE_FB_INTERLACED) { 2312e3cc3520SVille Syrjälä DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 2313e3cc3520SVille Syrjälä return -EINVAL; 2314e3cc3520SVille Syrjälä } 2315e3cc3520SVille Syrjälä 2316f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 23171aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 23188cf5c917SJesse Barnes r->width, config->min_width, config->max_width); 2319f453ba04SDave Airlie return -EINVAL; 2320f453ba04SDave Airlie } 2321f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 23221aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 23238cf5c917SJesse Barnes r->height, config->min_height, config->max_height); 2324f453ba04SDave Airlie return -EINVAL; 2325f453ba04SDave Airlie } 2326f453ba04SDave Airlie 2327d1b45d5fSVille Syrjälä ret = framebuffer_check(r); 2328d1b45d5fSVille Syrjälä if (ret) 2329935b5977SVille Syrjälä return ret; 2330935b5977SVille Syrjälä 233184849903SDaniel Vetter drm_modeset_lock_all(dev); 2332f453ba04SDave Airlie 2333f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 2334cce13ff7SChris Wilson if (IS_ERR(fb)) { 23351aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 2336cce13ff7SChris Wilson ret = PTR_ERR(fb); 2337f453ba04SDave Airlie goto out; 2338f453ba04SDave Airlie } 2339f453ba04SDave Airlie 2340e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 2341f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 23429440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 2343f453ba04SDave Airlie 2344f453ba04SDave Airlie out: 234584849903SDaniel Vetter drm_modeset_unlock_all(dev); 2346f453ba04SDave Airlie return ret; 2347f453ba04SDave Airlie } 2348f453ba04SDave Airlie 2349f453ba04SDave Airlie /** 2350f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 2351065a50edSDaniel Vetter * @dev: drm device for the ioctl 2352065a50edSDaniel Vetter * @data: data pointer for the ioctl 2353065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2354f453ba04SDave Airlie * 2355f453ba04SDave Airlie * Remove the FB specified by the user. 2356f453ba04SDave Airlie * 2357f453ba04SDave Airlie * Called by the user via ioctl. 2358f453ba04SDave Airlie * 2359f453ba04SDave Airlie * RETURNS: 2360f453ba04SDave Airlie * Zero on success, errno on failure. 2361f453ba04SDave Airlie */ 2362f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 2363f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2364f453ba04SDave Airlie { 2365f453ba04SDave Airlie struct drm_mode_object *obj; 2366f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2367f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 2368f453ba04SDave Airlie uint32_t *id = data; 2369f453ba04SDave Airlie int ret = 0; 2370f453ba04SDave Airlie int found = 0; 2371f453ba04SDave Airlie 2372fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2373fb3b06c8SDave Airlie return -EINVAL; 2374fb3b06c8SDave Airlie 237584849903SDaniel Vetter drm_modeset_lock_all(dev); 2376f453ba04SDave Airlie obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); 237725985edcSLucas De Marchi /* TODO check that we really get a framebuffer back. */ 2378f453ba04SDave Airlie if (!obj) { 2379f453ba04SDave Airlie ret = -EINVAL; 2380f453ba04SDave Airlie goto out; 2381f453ba04SDave Airlie } 2382f453ba04SDave Airlie fb = obj_to_fb(obj); 2383f453ba04SDave Airlie 2384f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2385f453ba04SDave Airlie if (fb == fbl) 2386f453ba04SDave Airlie found = 1; 2387f453ba04SDave Airlie 2388f453ba04SDave Airlie if (!found) { 2389f453ba04SDave Airlie ret = -EINVAL; 2390f453ba04SDave Airlie goto out; 2391f453ba04SDave Airlie } 2392f453ba04SDave Airlie 2393f7eff60eSRob Clark drm_framebuffer_remove(fb); 2394f453ba04SDave Airlie 2395f453ba04SDave Airlie out: 239684849903SDaniel Vetter drm_modeset_unlock_all(dev); 2397f453ba04SDave Airlie return ret; 2398f453ba04SDave Airlie } 2399f453ba04SDave Airlie 2400f453ba04SDave Airlie /** 2401f453ba04SDave Airlie * drm_mode_getfb - get FB info 2402065a50edSDaniel Vetter * @dev: drm device for the ioctl 2403065a50edSDaniel Vetter * @data: data pointer for the ioctl 2404065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2405f453ba04SDave Airlie * 2406f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 2407f453ba04SDave Airlie * 2408f453ba04SDave Airlie * Called by the user via ioctl. 2409f453ba04SDave Airlie * 2410f453ba04SDave Airlie * RETURNS: 2411f453ba04SDave Airlie * Zero on success, errno on failure. 2412f453ba04SDave Airlie */ 2413f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 2414f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2415f453ba04SDave Airlie { 2416f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 2417f453ba04SDave Airlie struct drm_mode_object *obj; 2418f453ba04SDave Airlie struct drm_framebuffer *fb; 2419f453ba04SDave Airlie int ret = 0; 2420f453ba04SDave Airlie 2421fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2422fb3b06c8SDave Airlie return -EINVAL; 2423fb3b06c8SDave Airlie 242484849903SDaniel Vetter drm_modeset_lock_all(dev); 2425e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 2426f453ba04SDave Airlie if (!obj) { 2427f453ba04SDave Airlie ret = -EINVAL; 2428f453ba04SDave Airlie goto out; 2429f453ba04SDave Airlie } 2430f453ba04SDave Airlie fb = obj_to_fb(obj); 2431f453ba04SDave Airlie 2432f453ba04SDave Airlie r->height = fb->height; 2433f453ba04SDave Airlie r->width = fb->width; 2434f453ba04SDave Airlie r->depth = fb->depth; 2435f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 243601f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 2437af26ef3bSDaniel Vetter if (fb->funcs->create_handle) 2438af26ef3bSDaniel Vetter ret = fb->funcs->create_handle(fb, file_priv, &r->handle); 2439af26ef3bSDaniel Vetter else 2440af26ef3bSDaniel Vetter ret = -ENODEV; 2441f453ba04SDave Airlie 2442f453ba04SDave Airlie out: 244384849903SDaniel Vetter drm_modeset_unlock_all(dev); 2444f453ba04SDave Airlie return ret; 2445f453ba04SDave Airlie } 2446f453ba04SDave Airlie 2447884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2448884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 2449884840aaSJakob Bornecrantz { 2450884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 2451884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 2452884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 2453884840aaSJakob Bornecrantz struct drm_mode_object *obj; 2454884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 2455884840aaSJakob Bornecrantz unsigned flags; 2456884840aaSJakob Bornecrantz int num_clips; 24574a1b0714SLaurent Pinchart int ret; 2458884840aaSJakob Bornecrantz 2459fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2460fb3b06c8SDave Airlie return -EINVAL; 2461fb3b06c8SDave Airlie 246284849903SDaniel Vetter drm_modeset_lock_all(dev); 2463884840aaSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 2464884840aaSJakob Bornecrantz if (!obj) { 2465884840aaSJakob Bornecrantz ret = -EINVAL; 2466884840aaSJakob Bornecrantz goto out_err1; 2467884840aaSJakob Bornecrantz } 2468884840aaSJakob Bornecrantz fb = obj_to_fb(obj); 2469884840aaSJakob Bornecrantz 2470884840aaSJakob Bornecrantz num_clips = r->num_clips; 247181f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 2472884840aaSJakob Bornecrantz 2473884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 2474884840aaSJakob Bornecrantz ret = -EINVAL; 2475884840aaSJakob Bornecrantz goto out_err1; 2476884840aaSJakob Bornecrantz } 2477884840aaSJakob Bornecrantz 2478884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2479884840aaSJakob Bornecrantz 2480884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 2481884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2482884840aaSJakob Bornecrantz ret = -EINVAL; 2483884840aaSJakob Bornecrantz goto out_err1; 2484884840aaSJakob Bornecrantz } 2485884840aaSJakob Bornecrantz 2486884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 2487a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2488a5cd3351SXi Wang ret = -EINVAL; 2489a5cd3351SXi Wang goto out_err1; 2490a5cd3351SXi Wang } 2491884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 2492884840aaSJakob Bornecrantz if (!clips) { 2493884840aaSJakob Bornecrantz ret = -ENOMEM; 2494884840aaSJakob Bornecrantz goto out_err1; 2495884840aaSJakob Bornecrantz } 2496884840aaSJakob Bornecrantz 2497884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 2498884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 2499e902a358SDan Carpenter if (ret) { 2500e902a358SDan Carpenter ret = -EFAULT; 2501884840aaSJakob Bornecrantz goto out_err2; 2502884840aaSJakob Bornecrantz } 2503e902a358SDan Carpenter } 2504884840aaSJakob Bornecrantz 2505884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 250602b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 250702b00162SThomas Hellstrom clips, num_clips); 2508884840aaSJakob Bornecrantz } else { 2509884840aaSJakob Bornecrantz ret = -ENOSYS; 2510884840aaSJakob Bornecrantz goto out_err2; 2511884840aaSJakob Bornecrantz } 2512884840aaSJakob Bornecrantz 2513884840aaSJakob Bornecrantz out_err2: 2514884840aaSJakob Bornecrantz kfree(clips); 2515884840aaSJakob Bornecrantz out_err1: 251684849903SDaniel Vetter drm_modeset_unlock_all(dev); 2517884840aaSJakob Bornecrantz return ret; 2518884840aaSJakob Bornecrantz } 2519884840aaSJakob Bornecrantz 2520884840aaSJakob Bornecrantz 2521f453ba04SDave Airlie /** 2522f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 2523065a50edSDaniel Vetter * @priv: drm file for the ioctl 2524f453ba04SDave Airlie * 2525f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 2526f453ba04SDave Airlie * 2527f453ba04SDave Airlie * Called by the user via ioctl. 2528f453ba04SDave Airlie * 2529f453ba04SDave Airlie * RETURNS: 2530f453ba04SDave Airlie * Zero on success, errno on failure. 2531f453ba04SDave Airlie */ 2532ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 2533f453ba04SDave Airlie { 2534f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 2535f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 2536f453ba04SDave Airlie 253784849903SDaniel Vetter drm_modeset_lock_all(dev); 2538f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 2539f7eff60eSRob Clark drm_framebuffer_remove(fb); 2540f453ba04SDave Airlie } 254184849903SDaniel Vetter drm_modeset_unlock_all(dev); 2542f453ba04SDave Airlie } 2543f453ba04SDave Airlie 2544f453ba04SDave Airlie /** 2545f453ba04SDave Airlie * drm_mode_attachmode - add a mode to the user mode list 2546f453ba04SDave Airlie * @dev: DRM device 2547f453ba04SDave Airlie * @connector: connector to add the mode to 2548f453ba04SDave Airlie * @mode: mode to add 2549f453ba04SDave Airlie * 2550f453ba04SDave Airlie * Add @mode to @connector's user mode list. 2551f453ba04SDave Airlie */ 25521dd6c8bdSVille Syrjälä static void drm_mode_attachmode(struct drm_device *dev, 2553f453ba04SDave Airlie struct drm_connector *connector, 2554f453ba04SDave Airlie struct drm_display_mode *mode) 2555f453ba04SDave Airlie { 2556f453ba04SDave Airlie list_add_tail(&mode->head, &connector->user_modes); 2557f453ba04SDave Airlie } 2558f453ba04SDave Airlie 2559f453ba04SDave Airlie int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 2560ac235dafSVille Syrjälä const struct drm_display_mode *mode) 2561f453ba04SDave Airlie { 2562f453ba04SDave Airlie struct drm_connector *connector; 2563ac235dafSVille Syrjälä int ret = 0; 2564ac235dafSVille Syrjälä struct drm_display_mode *dup_mode, *next; 2565ac235dafSVille Syrjälä LIST_HEAD(list); 2566ac235dafSVille Syrjälä 2567f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2568f453ba04SDave Airlie if (!connector->encoder) 2569ac235dafSVille Syrjälä continue; 2570f453ba04SDave Airlie if (connector->encoder->crtc == crtc) { 2571f453ba04SDave Airlie dup_mode = drm_mode_duplicate(dev, mode); 2572ac235dafSVille Syrjälä if (!dup_mode) { 2573ac235dafSVille Syrjälä ret = -ENOMEM; 2574ac235dafSVille Syrjälä goto out; 2575ac235dafSVille Syrjälä } 2576ac235dafSVille Syrjälä list_add_tail(&dup_mode->head, &list); 2577f453ba04SDave Airlie } 2578f453ba04SDave Airlie } 2579ac235dafSVille Syrjälä 2580ac235dafSVille Syrjälä list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2581ac235dafSVille Syrjälä if (!connector->encoder) 2582ac235dafSVille Syrjälä continue; 2583ac235dafSVille Syrjälä if (connector->encoder->crtc == crtc) 2584ac235dafSVille Syrjälä list_move_tail(list.next, &connector->user_modes); 2585ac235dafSVille Syrjälä } 2586ac235dafSVille Syrjälä 2587ac235dafSVille Syrjälä WARN_ON(!list_empty(&list)); 2588ac235dafSVille Syrjälä 2589ac235dafSVille Syrjälä out: 2590ac235dafSVille Syrjälä list_for_each_entry_safe(dup_mode, next, &list, head) 2591ac235dafSVille Syrjälä drm_mode_destroy(dev, dup_mode); 2592ac235dafSVille Syrjälä 2593ac235dafSVille Syrjälä return ret; 2594f453ba04SDave Airlie } 2595f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_attachmode_crtc); 2596f453ba04SDave Airlie 2597f453ba04SDave Airlie static int drm_mode_detachmode(struct drm_device *dev, 2598f453ba04SDave Airlie struct drm_connector *connector, 2599f453ba04SDave Airlie struct drm_display_mode *mode) 2600f453ba04SDave Airlie { 2601f453ba04SDave Airlie int found = 0; 2602f453ba04SDave Airlie int ret = 0; 2603f453ba04SDave Airlie struct drm_display_mode *match_mode, *t; 2604f453ba04SDave Airlie 2605f453ba04SDave Airlie list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { 2606f453ba04SDave Airlie if (drm_mode_equal(match_mode, mode)) { 2607f453ba04SDave Airlie list_del(&match_mode->head); 2608f453ba04SDave Airlie drm_mode_destroy(dev, match_mode); 2609f453ba04SDave Airlie found = 1; 2610f453ba04SDave Airlie break; 2611f453ba04SDave Airlie } 2612f453ba04SDave Airlie } 2613f453ba04SDave Airlie 2614f453ba04SDave Airlie if (!found) 2615f453ba04SDave Airlie ret = -EINVAL; 2616f453ba04SDave Airlie 2617f453ba04SDave Airlie return ret; 2618f453ba04SDave Airlie } 2619f453ba04SDave Airlie 2620f453ba04SDave Airlie int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) 2621f453ba04SDave Airlie { 2622f453ba04SDave Airlie struct drm_connector *connector; 2623f453ba04SDave Airlie 2624f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2625f453ba04SDave Airlie drm_mode_detachmode(dev, connector, mode); 2626f453ba04SDave Airlie } 2627f453ba04SDave Airlie return 0; 2628f453ba04SDave Airlie } 2629f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_detachmode_crtc); 2630f453ba04SDave Airlie 2631f453ba04SDave Airlie /** 2632f453ba04SDave Airlie * drm_fb_attachmode - Attach a user mode to an connector 2633065a50edSDaniel Vetter * @dev: drm device for the ioctl 2634065a50edSDaniel Vetter * @data: data pointer for the ioctl 2635065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2636f453ba04SDave Airlie * 2637f453ba04SDave Airlie * This attaches a user specified mode to an connector. 2638f453ba04SDave Airlie * Called by the user via ioctl. 2639f453ba04SDave Airlie * 2640f453ba04SDave Airlie * RETURNS: 2641f453ba04SDave Airlie * Zero on success, errno on failure. 2642f453ba04SDave Airlie */ 2643f453ba04SDave Airlie int drm_mode_attachmode_ioctl(struct drm_device *dev, 2644f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2645f453ba04SDave Airlie { 2646f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 2647f453ba04SDave Airlie struct drm_connector *connector; 2648f453ba04SDave Airlie struct drm_display_mode *mode; 2649f453ba04SDave Airlie struct drm_mode_object *obj; 2650f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 26514a1b0714SLaurent Pinchart int ret; 2652f453ba04SDave Airlie 2653fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2654fb3b06c8SDave Airlie return -EINVAL; 2655fb3b06c8SDave Airlie 265684849903SDaniel Vetter drm_modeset_lock_all(dev); 2657f453ba04SDave Airlie 2658f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2659f453ba04SDave Airlie if (!obj) { 2660f453ba04SDave Airlie ret = -EINVAL; 2661f453ba04SDave Airlie goto out; 2662f453ba04SDave Airlie } 2663f453ba04SDave Airlie connector = obj_to_connector(obj); 2664f453ba04SDave Airlie 2665f453ba04SDave Airlie mode = drm_mode_create(dev); 2666f453ba04SDave Airlie if (!mode) { 2667f453ba04SDave Airlie ret = -ENOMEM; 2668f453ba04SDave Airlie goto out; 2669f453ba04SDave Airlie } 2670f453ba04SDave Airlie 267190367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, umode); 267290367bf6SVille Syrjälä if (ret) { 267390367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 267490367bf6SVille Syrjälä drm_mode_destroy(dev, mode); 267590367bf6SVille Syrjälä goto out; 267690367bf6SVille Syrjälä } 2677f453ba04SDave Airlie 26781dd6c8bdSVille Syrjälä drm_mode_attachmode(dev, connector, mode); 2679f453ba04SDave Airlie out: 268084849903SDaniel Vetter drm_modeset_unlock_all(dev); 2681f453ba04SDave Airlie return ret; 2682f453ba04SDave Airlie } 2683f453ba04SDave Airlie 2684f453ba04SDave Airlie 2685f453ba04SDave Airlie /** 2686f453ba04SDave Airlie * drm_fb_detachmode - Detach a user specified mode from an connector 2687065a50edSDaniel Vetter * @dev: drm device for the ioctl 2688065a50edSDaniel Vetter * @data: data pointer for the ioctl 2689065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2690f453ba04SDave Airlie * 2691f453ba04SDave Airlie * Called by the user via ioctl. 2692f453ba04SDave Airlie * 2693f453ba04SDave Airlie * RETURNS: 2694f453ba04SDave Airlie * Zero on success, errno on failure. 2695f453ba04SDave Airlie */ 2696f453ba04SDave Airlie int drm_mode_detachmode_ioctl(struct drm_device *dev, 2697f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2698f453ba04SDave Airlie { 2699f453ba04SDave Airlie struct drm_mode_object *obj; 2700f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 2701f453ba04SDave Airlie struct drm_connector *connector; 2702f453ba04SDave Airlie struct drm_display_mode mode; 2703f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 27044a1b0714SLaurent Pinchart int ret; 2705f453ba04SDave Airlie 2706fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2707fb3b06c8SDave Airlie return -EINVAL; 2708fb3b06c8SDave Airlie 270984849903SDaniel Vetter drm_modeset_lock_all(dev); 2710f453ba04SDave Airlie 2711f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2712f453ba04SDave Airlie if (!obj) { 2713f453ba04SDave Airlie ret = -EINVAL; 2714f453ba04SDave Airlie goto out; 2715f453ba04SDave Airlie } 2716f453ba04SDave Airlie connector = obj_to_connector(obj); 2717f453ba04SDave Airlie 271890367bf6SVille Syrjälä ret = drm_crtc_convert_umode(&mode, umode); 271990367bf6SVille Syrjälä if (ret) { 272090367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 272190367bf6SVille Syrjälä goto out; 272290367bf6SVille Syrjälä } 272390367bf6SVille Syrjälä 2724f453ba04SDave Airlie ret = drm_mode_detachmode(dev, connector, &mode); 2725f453ba04SDave Airlie out: 272684849903SDaniel Vetter drm_modeset_unlock_all(dev); 2727f453ba04SDave Airlie return ret; 2728f453ba04SDave Airlie } 2729f453ba04SDave Airlie 2730f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2731f453ba04SDave Airlie const char *name, int num_values) 2732f453ba04SDave Airlie { 2733f453ba04SDave Airlie struct drm_property *property = NULL; 27346bfc56aaSVille Syrjälä int ret; 2735f453ba04SDave Airlie 2736f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2737f453ba04SDave Airlie if (!property) 2738f453ba04SDave Airlie return NULL; 2739f453ba04SDave Airlie 2740f453ba04SDave Airlie if (num_values) { 2741f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2742f453ba04SDave Airlie if (!property->values) 2743f453ba04SDave Airlie goto fail; 2744f453ba04SDave Airlie } 2745f453ba04SDave Airlie 27466bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 27476bfc56aaSVille Syrjälä if (ret) 27486bfc56aaSVille Syrjälä goto fail; 27496bfc56aaSVille Syrjälä 2750f453ba04SDave Airlie property->flags = flags; 2751f453ba04SDave Airlie property->num_values = num_values; 2752f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2753f453ba04SDave Airlie 2754471dd2efSVinson Lee if (name) { 2755f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2756471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2757471dd2efSVinson Lee } 2758f453ba04SDave Airlie 2759f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2760f453ba04SDave Airlie return property; 2761f453ba04SDave Airlie fail: 27626bfc56aaSVille Syrjälä kfree(property->values); 2763f453ba04SDave Airlie kfree(property); 2764f453ba04SDave Airlie return NULL; 2765f453ba04SDave Airlie } 2766f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2767f453ba04SDave Airlie 27684a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 27694a67d391SSascha Hauer const char *name, 27704a67d391SSascha Hauer const struct drm_prop_enum_list *props, 27714a67d391SSascha Hauer int num_values) 27724a67d391SSascha Hauer { 27734a67d391SSascha Hauer struct drm_property *property; 27744a67d391SSascha Hauer int i, ret; 27754a67d391SSascha Hauer 27764a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 27774a67d391SSascha Hauer 27784a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 27794a67d391SSascha Hauer if (!property) 27804a67d391SSascha Hauer return NULL; 27814a67d391SSascha Hauer 27824a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 27834a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 27844a67d391SSascha Hauer props[i].type, 27854a67d391SSascha Hauer props[i].name); 27864a67d391SSascha Hauer if (ret) { 27874a67d391SSascha Hauer drm_property_destroy(dev, property); 27884a67d391SSascha Hauer return NULL; 27894a67d391SSascha Hauer } 27904a67d391SSascha Hauer } 27914a67d391SSascha Hauer 27924a67d391SSascha Hauer return property; 27934a67d391SSascha Hauer } 27944a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 27954a67d391SSascha Hauer 279649e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 279749e27545SRob Clark int flags, const char *name, 279849e27545SRob Clark const struct drm_prop_enum_list *props, 279949e27545SRob Clark int num_values) 280049e27545SRob Clark { 280149e27545SRob Clark struct drm_property *property; 280249e27545SRob Clark int i, ret; 280349e27545SRob Clark 280449e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 280549e27545SRob Clark 280649e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 280749e27545SRob Clark if (!property) 280849e27545SRob Clark return NULL; 280949e27545SRob Clark 281049e27545SRob Clark for (i = 0; i < num_values; i++) { 281149e27545SRob Clark ret = drm_property_add_enum(property, i, 281249e27545SRob Clark props[i].type, 281349e27545SRob Clark props[i].name); 281449e27545SRob Clark if (ret) { 281549e27545SRob Clark drm_property_destroy(dev, property); 281649e27545SRob Clark return NULL; 281749e27545SRob Clark } 281849e27545SRob Clark } 281949e27545SRob Clark 282049e27545SRob Clark return property; 282149e27545SRob Clark } 282249e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 282349e27545SRob Clark 2824d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2825d9bc3c02SSascha Hauer const char *name, 2826d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 2827d9bc3c02SSascha Hauer { 2828d9bc3c02SSascha Hauer struct drm_property *property; 2829d9bc3c02SSascha Hauer 2830d9bc3c02SSascha Hauer flags |= DRM_MODE_PROP_RANGE; 2831d9bc3c02SSascha Hauer 2832d9bc3c02SSascha Hauer property = drm_property_create(dev, flags, name, 2); 2833d9bc3c02SSascha Hauer if (!property) 2834d9bc3c02SSascha Hauer return NULL; 2835d9bc3c02SSascha Hauer 2836d9bc3c02SSascha Hauer property->values[0] = min; 2837d9bc3c02SSascha Hauer property->values[1] = max; 2838d9bc3c02SSascha Hauer 2839d9bc3c02SSascha Hauer return property; 2840d9bc3c02SSascha Hauer } 2841d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 2842d9bc3c02SSascha Hauer 2843f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2844f453ba04SDave Airlie uint64_t value, const char *name) 2845f453ba04SDave Airlie { 2846f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2847f453ba04SDave Airlie 284849e27545SRob Clark if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 284949e27545SRob Clark return -EINVAL; 285049e27545SRob Clark 285149e27545SRob Clark /* 285249e27545SRob Clark * Bitmask enum properties have the additional constraint of values 285349e27545SRob Clark * from 0 to 63 285449e27545SRob Clark */ 285549e27545SRob Clark if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) 2856f453ba04SDave Airlie return -EINVAL; 2857f453ba04SDave Airlie 2858f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2859f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2860f453ba04SDave Airlie if (prop_enum->value == value) { 2861f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2862f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2863f453ba04SDave Airlie return 0; 2864f453ba04SDave Airlie } 2865f453ba04SDave Airlie } 2866f453ba04SDave Airlie } 2867f453ba04SDave Airlie 2868f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 2869f453ba04SDave Airlie if (!prop_enum) 2870f453ba04SDave Airlie return -ENOMEM; 2871f453ba04SDave Airlie 2872f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2873f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2874f453ba04SDave Airlie prop_enum->value = value; 2875f453ba04SDave Airlie 2876f453ba04SDave Airlie property->values[index] = value; 2877f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2878f453ba04SDave Airlie return 0; 2879f453ba04SDave Airlie } 2880f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2881f453ba04SDave Airlie 2882f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2883f453ba04SDave Airlie { 2884f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2885f453ba04SDave Airlie 2886f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2887f453ba04SDave Airlie list_del(&prop_enum->head); 2888f453ba04SDave Airlie kfree(prop_enum); 2889f453ba04SDave Airlie } 2890f453ba04SDave Airlie 2891f453ba04SDave Airlie if (property->num_values) 2892f453ba04SDave Airlie kfree(property->values); 2893f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2894f453ba04SDave Airlie list_del(&property->head); 2895f453ba04SDave Airlie kfree(property); 2896f453ba04SDave Airlie } 2897f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2898f453ba04SDave Airlie 2899c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 2900c543188aSPaulo Zanoni struct drm_property *property, 2901c543188aSPaulo Zanoni uint64_t init_val) 2902c543188aSPaulo Zanoni { 29037f88a9beSPaulo Zanoni int count = obj->properties->count; 2904c543188aSPaulo Zanoni 29057f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 29067f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 29077f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 29087f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 29097f88a9beSPaulo Zanoni obj->type); 2910c543188aSPaulo Zanoni return; 2911c543188aSPaulo Zanoni } 2912c543188aSPaulo Zanoni 29137f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 29147f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 29157f88a9beSPaulo Zanoni obj->properties->count++; 2916c543188aSPaulo Zanoni } 2917c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 2918c543188aSPaulo Zanoni 2919c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 2920c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 2921c543188aSPaulo Zanoni { 2922c543188aSPaulo Zanoni int i; 2923c543188aSPaulo Zanoni 29247f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2925c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2926c543188aSPaulo Zanoni obj->properties->values[i] = val; 2927c543188aSPaulo Zanoni return 0; 2928c543188aSPaulo Zanoni } 2929c543188aSPaulo Zanoni } 2930c543188aSPaulo Zanoni 2931c543188aSPaulo Zanoni return -EINVAL; 2932c543188aSPaulo Zanoni } 2933c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 2934c543188aSPaulo Zanoni 2935c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 2936c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 2937c543188aSPaulo Zanoni { 2938c543188aSPaulo Zanoni int i; 2939c543188aSPaulo Zanoni 29407f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2941c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2942c543188aSPaulo Zanoni *val = obj->properties->values[i]; 2943c543188aSPaulo Zanoni return 0; 2944c543188aSPaulo Zanoni } 2945c543188aSPaulo Zanoni } 2946c543188aSPaulo Zanoni 2947c543188aSPaulo Zanoni return -EINVAL; 2948c543188aSPaulo Zanoni } 2949c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 2950c543188aSPaulo Zanoni 2951f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2952f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2953f453ba04SDave Airlie { 2954f453ba04SDave Airlie struct drm_mode_object *obj; 2955f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2956f453ba04SDave Airlie struct drm_property *property; 2957f453ba04SDave Airlie int enum_count = 0; 2958f453ba04SDave Airlie int blob_count = 0; 2959f453ba04SDave Airlie int value_count = 0; 2960f453ba04SDave Airlie int ret = 0, i; 2961f453ba04SDave Airlie int copied; 2962f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2963f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2964f453ba04SDave Airlie struct drm_property_blob *prop_blob; 296581f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 2966f453ba04SDave Airlie uint64_t __user *values_ptr; 2967f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2968f453ba04SDave Airlie 2969fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2970fb3b06c8SDave Airlie return -EINVAL; 2971fb3b06c8SDave Airlie 297284849903SDaniel Vetter drm_modeset_lock_all(dev); 2973f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2974f453ba04SDave Airlie if (!obj) { 2975f453ba04SDave Airlie ret = -EINVAL; 2976f453ba04SDave Airlie goto done; 2977f453ba04SDave Airlie } 2978f453ba04SDave Airlie property = obj_to_property(obj); 2979f453ba04SDave Airlie 298049e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2981f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2982f453ba04SDave Airlie enum_count++; 2983f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2984f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2985f453ba04SDave Airlie blob_count++; 2986f453ba04SDave Airlie } 2987f453ba04SDave Airlie 2988f453ba04SDave Airlie value_count = property->num_values; 2989f453ba04SDave Airlie 2990f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2991f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2992f453ba04SDave Airlie out_resp->flags = property->flags; 2993f453ba04SDave Airlie 2994f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 299581f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 2996f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2997f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2998f453ba04SDave Airlie ret = -EFAULT; 2999f453ba04SDave Airlie goto done; 3000f453ba04SDave Airlie } 3001f453ba04SDave Airlie } 3002f453ba04SDave Airlie } 3003f453ba04SDave Airlie out_resp->count_values = value_count; 3004f453ba04SDave Airlie 300549e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 3006f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 3007f453ba04SDave Airlie copied = 0; 300881f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 3009f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 3010f453ba04SDave Airlie 3011f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 3012f453ba04SDave Airlie ret = -EFAULT; 3013f453ba04SDave Airlie goto done; 3014f453ba04SDave Airlie } 3015f453ba04SDave Airlie 3016f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 3017f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 3018f453ba04SDave Airlie ret = -EFAULT; 3019f453ba04SDave Airlie goto done; 3020f453ba04SDave Airlie } 3021f453ba04SDave Airlie copied++; 3022f453ba04SDave Airlie } 3023f453ba04SDave Airlie } 3024f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 3025f453ba04SDave Airlie } 3026f453ba04SDave Airlie 3027f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 3028f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 3029f453ba04SDave Airlie copied = 0; 303081f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 303181f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 3032f453ba04SDave Airlie 3033f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 3034f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 3035f453ba04SDave Airlie ret = -EFAULT; 3036f453ba04SDave Airlie goto done; 3037f453ba04SDave Airlie } 3038f453ba04SDave Airlie 3039f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 3040f453ba04SDave Airlie ret = -EFAULT; 3041f453ba04SDave Airlie goto done; 3042f453ba04SDave Airlie } 3043f453ba04SDave Airlie 3044f453ba04SDave Airlie copied++; 3045f453ba04SDave Airlie } 3046f453ba04SDave Airlie } 3047f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 3048f453ba04SDave Airlie } 3049f453ba04SDave Airlie done: 305084849903SDaniel Vetter drm_modeset_unlock_all(dev); 3051f453ba04SDave Airlie return ret; 3052f453ba04SDave Airlie } 3053f453ba04SDave Airlie 3054f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 3055f453ba04SDave Airlie void *data) 3056f453ba04SDave Airlie { 3057f453ba04SDave Airlie struct drm_property_blob *blob; 30586bfc56aaSVille Syrjälä int ret; 3059f453ba04SDave Airlie 3060f453ba04SDave Airlie if (!length || !data) 3061f453ba04SDave Airlie return NULL; 3062f453ba04SDave Airlie 3063f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 3064f453ba04SDave Airlie if (!blob) 3065f453ba04SDave Airlie return NULL; 3066f453ba04SDave Airlie 30676bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 30686bfc56aaSVille Syrjälä if (ret) { 30696bfc56aaSVille Syrjälä kfree(blob); 30706bfc56aaSVille Syrjälä return NULL; 30716bfc56aaSVille Syrjälä } 30726bfc56aaSVille Syrjälä 3073f453ba04SDave Airlie blob->length = length; 3074f453ba04SDave Airlie 3075f453ba04SDave Airlie memcpy(blob->data, data, length); 3076f453ba04SDave Airlie 3077f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 3078f453ba04SDave Airlie return blob; 3079f453ba04SDave Airlie } 3080f453ba04SDave Airlie 3081f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 3082f453ba04SDave Airlie struct drm_property_blob *blob) 3083f453ba04SDave Airlie { 3084f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 3085f453ba04SDave Airlie list_del(&blob->head); 3086f453ba04SDave Airlie kfree(blob); 3087f453ba04SDave Airlie } 3088f453ba04SDave Airlie 3089f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3090f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3091f453ba04SDave Airlie { 3092f453ba04SDave Airlie struct drm_mode_object *obj; 3093f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3094f453ba04SDave Airlie struct drm_property_blob *blob; 3095f453ba04SDave Airlie int ret = 0; 309681f6c7f8SVille Syrjälä void __user *blob_ptr; 3097f453ba04SDave Airlie 3098fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3099fb3b06c8SDave Airlie return -EINVAL; 3100fb3b06c8SDave Airlie 310184849903SDaniel Vetter drm_modeset_lock_all(dev); 3102f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 3103f453ba04SDave Airlie if (!obj) { 3104f453ba04SDave Airlie ret = -EINVAL; 3105f453ba04SDave Airlie goto done; 3106f453ba04SDave Airlie } 3107f453ba04SDave Airlie blob = obj_to_blob(obj); 3108f453ba04SDave Airlie 3109f453ba04SDave Airlie if (out_resp->length == blob->length) { 311081f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3111f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3112f453ba04SDave Airlie ret = -EFAULT; 3113f453ba04SDave Airlie goto done; 3114f453ba04SDave Airlie } 3115f453ba04SDave Airlie } 3116f453ba04SDave Airlie out_resp->length = blob->length; 3117f453ba04SDave Airlie 3118f453ba04SDave Airlie done: 311984849903SDaniel Vetter drm_modeset_unlock_all(dev); 3120f453ba04SDave Airlie return ret; 3121f453ba04SDave Airlie } 3122f453ba04SDave Airlie 3123f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 3124f453ba04SDave Airlie struct edid *edid) 3125f453ba04SDave Airlie { 3126f453ba04SDave Airlie struct drm_device *dev = connector->dev; 31274a1b0714SLaurent Pinchart int ret, size; 3128f453ba04SDave Airlie 3129f453ba04SDave Airlie if (connector->edid_blob_ptr) 3130f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 3131f453ba04SDave Airlie 3132f453ba04SDave Airlie /* Delete edid, when there is none. */ 3133f453ba04SDave Airlie if (!edid) { 3134f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 313558495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 3136f453ba04SDave Airlie return ret; 3137f453ba04SDave Airlie } 3138f453ba04SDave Airlie 31397466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 31407466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 31417466f4ccSAdam Jackson size, edid); 3142e655d122SSachin Kamat if (!connector->edid_blob_ptr) 3143e655d122SSachin Kamat return -EINVAL; 3144f453ba04SDave Airlie 314558495563SRob Clark ret = drm_object_property_set_value(&connector->base, 3146f453ba04SDave Airlie dev->mode_config.edid_property, 3147f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 3148f453ba04SDave Airlie 3149f453ba04SDave Airlie return ret; 3150f453ba04SDave Airlie } 3151f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 3152f453ba04SDave Airlie 315326a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 3154592c20eeSVille Syrjälä uint64_t value) 315526a34815SPaulo Zanoni { 315626a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 315726a34815SPaulo Zanoni return false; 315826a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_RANGE) { 315926a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 316026a34815SPaulo Zanoni return false; 316126a34815SPaulo Zanoni return true; 316249e27545SRob Clark } else if (property->flags & DRM_MODE_PROP_BITMASK) { 316349e27545SRob Clark int i; 3164592c20eeSVille Syrjälä uint64_t valid_mask = 0; 316549e27545SRob Clark for (i = 0; i < property->num_values; i++) 316649e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 316749e27545SRob Clark return !(value & ~valid_mask); 3168c4a56750SVille Syrjälä } else if (property->flags & DRM_MODE_PROP_BLOB) { 3169c4a56750SVille Syrjälä /* Only the driver knows */ 3170c4a56750SVille Syrjälä return true; 317126a34815SPaulo Zanoni } else { 317226a34815SPaulo Zanoni int i; 317326a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 317426a34815SPaulo Zanoni if (property->values[i] == value) 317526a34815SPaulo Zanoni return true; 317626a34815SPaulo Zanoni return false; 317726a34815SPaulo Zanoni } 317826a34815SPaulo Zanoni } 317926a34815SPaulo Zanoni 3180f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3181f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3182f453ba04SDave Airlie { 31830057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 31840057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 31850057d8ddSPaulo Zanoni .value = conn_set_prop->value, 31860057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 31870057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 31880057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 31890057d8ddSPaulo Zanoni }; 3190f453ba04SDave Airlie 31910057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 31920057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 3193f453ba04SDave Airlie } 3194f453ba04SDave Airlie 3195c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 3196c543188aSPaulo Zanoni struct drm_property *property, 3197c543188aSPaulo Zanoni uint64_t value) 3198c543188aSPaulo Zanoni { 3199c543188aSPaulo Zanoni int ret = -EINVAL; 3200c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 3201c543188aSPaulo Zanoni 3202c543188aSPaulo Zanoni /* Do DPMS ourselves */ 3203c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 3204c543188aSPaulo Zanoni if (connector->funcs->dpms) 3205c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 3206c543188aSPaulo Zanoni ret = 0; 3207c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 3208c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 3209c543188aSPaulo Zanoni 3210c543188aSPaulo Zanoni /* store the property value if successful */ 3211c543188aSPaulo Zanoni if (!ret) 321258495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 3213c543188aSPaulo Zanoni return ret; 3214c543188aSPaulo Zanoni } 3215c543188aSPaulo Zanoni 3216bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 3217bffd9de0SPaulo Zanoni struct drm_property *property, 3218bffd9de0SPaulo Zanoni uint64_t value) 3219bffd9de0SPaulo Zanoni { 3220bffd9de0SPaulo Zanoni int ret = -EINVAL; 3221bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 3222bffd9de0SPaulo Zanoni 3223bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 3224bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 3225bffd9de0SPaulo Zanoni if (!ret) 3226bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 3227bffd9de0SPaulo Zanoni 3228bffd9de0SPaulo Zanoni return ret; 3229bffd9de0SPaulo Zanoni } 3230bffd9de0SPaulo Zanoni 32314d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 32324d93914aSRob Clark struct drm_property *property, 32334d93914aSRob Clark uint64_t value) 32344d93914aSRob Clark { 32354d93914aSRob Clark int ret = -EINVAL; 32364d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 32374d93914aSRob Clark 32384d93914aSRob Clark if (plane->funcs->set_property) 32394d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 32404d93914aSRob Clark if (!ret) 32414d93914aSRob Clark drm_object_property_set_value(obj, property, value); 32424d93914aSRob Clark 32434d93914aSRob Clark return ret; 32444d93914aSRob Clark } 32454d93914aSRob Clark 3246c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 3247c543188aSPaulo Zanoni struct drm_file *file_priv) 3248c543188aSPaulo Zanoni { 3249c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 3250c543188aSPaulo Zanoni struct drm_mode_object *obj; 3251c543188aSPaulo Zanoni int ret = 0; 3252c543188aSPaulo Zanoni int i; 3253c543188aSPaulo Zanoni int copied = 0; 3254c543188aSPaulo Zanoni int props_count = 0; 3255c543188aSPaulo Zanoni uint32_t __user *props_ptr; 3256c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 3257c543188aSPaulo Zanoni 3258c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3259c543188aSPaulo Zanoni return -EINVAL; 3260c543188aSPaulo Zanoni 326184849903SDaniel Vetter drm_modeset_lock_all(dev); 3262c543188aSPaulo Zanoni 3263c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3264c543188aSPaulo Zanoni if (!obj) { 3265c543188aSPaulo Zanoni ret = -EINVAL; 3266c543188aSPaulo Zanoni goto out; 3267c543188aSPaulo Zanoni } 3268c543188aSPaulo Zanoni if (!obj->properties) { 3269c543188aSPaulo Zanoni ret = -EINVAL; 3270c543188aSPaulo Zanoni goto out; 3271c543188aSPaulo Zanoni } 3272c543188aSPaulo Zanoni 32737f88a9beSPaulo Zanoni props_count = obj->properties->count; 3274c543188aSPaulo Zanoni 3275c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 3276c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 3277c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 3278c543188aSPaulo Zanoni copied = 0; 3279c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 3280c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 3281c543188aSPaulo Zanoni (arg->prop_values_ptr); 3282c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 3283c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 3284c543188aSPaulo Zanoni props_ptr + copied)) { 3285c543188aSPaulo Zanoni ret = -EFAULT; 3286c543188aSPaulo Zanoni goto out; 3287c543188aSPaulo Zanoni } 3288c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 3289c543188aSPaulo Zanoni prop_values_ptr + copied)) { 3290c543188aSPaulo Zanoni ret = -EFAULT; 3291c543188aSPaulo Zanoni goto out; 3292c543188aSPaulo Zanoni } 3293c543188aSPaulo Zanoni copied++; 3294c543188aSPaulo Zanoni } 3295c543188aSPaulo Zanoni } 3296c543188aSPaulo Zanoni arg->count_props = props_count; 3297c543188aSPaulo Zanoni out: 329884849903SDaniel Vetter drm_modeset_unlock_all(dev); 3299c543188aSPaulo Zanoni return ret; 3300c543188aSPaulo Zanoni } 3301c543188aSPaulo Zanoni 3302c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 3303c543188aSPaulo Zanoni struct drm_file *file_priv) 3304c543188aSPaulo Zanoni { 3305c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 3306c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 3307c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 3308c543188aSPaulo Zanoni struct drm_property *property; 3309c543188aSPaulo Zanoni int ret = -EINVAL; 3310c543188aSPaulo Zanoni int i; 3311c543188aSPaulo Zanoni 3312c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3313c543188aSPaulo Zanoni return -EINVAL; 3314c543188aSPaulo Zanoni 331584849903SDaniel Vetter drm_modeset_lock_all(dev); 3316c543188aSPaulo Zanoni 3317c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3318c543188aSPaulo Zanoni if (!arg_obj) 3319c543188aSPaulo Zanoni goto out; 3320c543188aSPaulo Zanoni if (!arg_obj->properties) 3321c543188aSPaulo Zanoni goto out; 3322c543188aSPaulo Zanoni 33237f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 3324c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 3325c543188aSPaulo Zanoni break; 3326c543188aSPaulo Zanoni 33277f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 3328c543188aSPaulo Zanoni goto out; 3329c543188aSPaulo Zanoni 3330c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 3331c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 3332c543188aSPaulo Zanoni if (!prop_obj) 3333c543188aSPaulo Zanoni goto out; 3334c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 3335c543188aSPaulo Zanoni 3336c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 3337c543188aSPaulo Zanoni goto out; 3338c543188aSPaulo Zanoni 3339c543188aSPaulo Zanoni switch (arg_obj->type) { 3340c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 3341c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 3342c543188aSPaulo Zanoni arg->value); 3343c543188aSPaulo Zanoni break; 3344bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 3345bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 3346bffd9de0SPaulo Zanoni break; 33474d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 33484d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 33494d93914aSRob Clark break; 3350c543188aSPaulo Zanoni } 3351c543188aSPaulo Zanoni 3352c543188aSPaulo Zanoni out: 335384849903SDaniel Vetter drm_modeset_unlock_all(dev); 3354c543188aSPaulo Zanoni return ret; 3355c543188aSPaulo Zanoni } 3356c543188aSPaulo Zanoni 3357f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3358f453ba04SDave Airlie struct drm_encoder *encoder) 3359f453ba04SDave Airlie { 3360f453ba04SDave Airlie int i; 3361f453ba04SDave Airlie 3362f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3363f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 3364f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 3365f453ba04SDave Airlie return 0; 3366f453ba04SDave Airlie } 3367f453ba04SDave Airlie } 3368f453ba04SDave Airlie return -ENOMEM; 3369f453ba04SDave Airlie } 3370f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 3371f453ba04SDave Airlie 3372f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3373f453ba04SDave Airlie struct drm_encoder *encoder) 3374f453ba04SDave Airlie { 3375f453ba04SDave Airlie int i; 3376f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3377f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 3378f453ba04SDave Airlie connector->encoder_ids[i] = 0; 3379f453ba04SDave Airlie if (connector->encoder == encoder) 3380f453ba04SDave Airlie connector->encoder = NULL; 3381f453ba04SDave Airlie break; 3382f453ba04SDave Airlie } 3383f453ba04SDave Airlie } 3384f453ba04SDave Airlie } 3385f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 3386f453ba04SDave Airlie 33874cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3388f453ba04SDave Airlie int gamma_size) 3389f453ba04SDave Airlie { 3390f453ba04SDave Airlie crtc->gamma_size = gamma_size; 3391f453ba04SDave Airlie 3392f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 3393f453ba04SDave Airlie if (!crtc->gamma_store) { 3394f453ba04SDave Airlie crtc->gamma_size = 0; 33954cae5b84SSascha Hauer return -ENOMEM; 3396f453ba04SDave Airlie } 3397f453ba04SDave Airlie 33984cae5b84SSascha Hauer return 0; 3399f453ba04SDave Airlie } 3400f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 3401f453ba04SDave Airlie 3402f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3403f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3404f453ba04SDave Airlie { 3405f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3406f453ba04SDave Airlie struct drm_mode_object *obj; 3407f453ba04SDave Airlie struct drm_crtc *crtc; 3408f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3409f453ba04SDave Airlie int size; 3410f453ba04SDave Airlie int ret = 0; 3411f453ba04SDave Airlie 3412fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3413fb3b06c8SDave Airlie return -EINVAL; 3414fb3b06c8SDave Airlie 341584849903SDaniel Vetter drm_modeset_lock_all(dev); 3416f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3417f453ba04SDave Airlie if (!obj) { 3418f453ba04SDave Airlie ret = -EINVAL; 3419f453ba04SDave Airlie goto out; 3420f453ba04SDave Airlie } 3421f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3422f453ba04SDave Airlie 3423ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 3424ebe0f244SLaurent Pinchart ret = -ENOSYS; 3425ebe0f244SLaurent Pinchart goto out; 3426ebe0f244SLaurent Pinchart } 3427ebe0f244SLaurent Pinchart 3428f453ba04SDave Airlie /* memcpy into gamma store */ 3429f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3430f453ba04SDave Airlie ret = -EINVAL; 3431f453ba04SDave Airlie goto out; 3432f453ba04SDave Airlie } 3433f453ba04SDave Airlie 3434f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3435f453ba04SDave Airlie r_base = crtc->gamma_store; 3436f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 3437f453ba04SDave Airlie ret = -EFAULT; 3438f453ba04SDave Airlie goto out; 3439f453ba04SDave Airlie } 3440f453ba04SDave Airlie 3441f453ba04SDave Airlie g_base = r_base + size; 3442f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 3443f453ba04SDave Airlie ret = -EFAULT; 3444f453ba04SDave Airlie goto out; 3445f453ba04SDave Airlie } 3446f453ba04SDave Airlie 3447f453ba04SDave Airlie b_base = g_base + size; 3448f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 3449f453ba04SDave Airlie ret = -EFAULT; 3450f453ba04SDave Airlie goto out; 3451f453ba04SDave Airlie } 3452f453ba04SDave Airlie 34537203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3454f453ba04SDave Airlie 3455f453ba04SDave Airlie out: 345684849903SDaniel Vetter drm_modeset_unlock_all(dev); 3457f453ba04SDave Airlie return ret; 3458f453ba04SDave Airlie 3459f453ba04SDave Airlie } 3460f453ba04SDave Airlie 3461f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3462f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3463f453ba04SDave Airlie { 3464f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3465f453ba04SDave Airlie struct drm_mode_object *obj; 3466f453ba04SDave Airlie struct drm_crtc *crtc; 3467f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3468f453ba04SDave Airlie int size; 3469f453ba04SDave Airlie int ret = 0; 3470f453ba04SDave Airlie 3471fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3472fb3b06c8SDave Airlie return -EINVAL; 3473fb3b06c8SDave Airlie 347484849903SDaniel Vetter drm_modeset_lock_all(dev); 3475f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3476f453ba04SDave Airlie if (!obj) { 3477f453ba04SDave Airlie ret = -EINVAL; 3478f453ba04SDave Airlie goto out; 3479f453ba04SDave Airlie } 3480f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3481f453ba04SDave Airlie 3482f453ba04SDave Airlie /* memcpy into gamma store */ 3483f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3484f453ba04SDave Airlie ret = -EINVAL; 3485f453ba04SDave Airlie goto out; 3486f453ba04SDave Airlie } 3487f453ba04SDave Airlie 3488f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3489f453ba04SDave Airlie r_base = crtc->gamma_store; 3490f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 3491f453ba04SDave Airlie ret = -EFAULT; 3492f453ba04SDave Airlie goto out; 3493f453ba04SDave Airlie } 3494f453ba04SDave Airlie 3495f453ba04SDave Airlie g_base = r_base + size; 3496f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 3497f453ba04SDave Airlie ret = -EFAULT; 3498f453ba04SDave Airlie goto out; 3499f453ba04SDave Airlie } 3500f453ba04SDave Airlie 3501f453ba04SDave Airlie b_base = g_base + size; 3502f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 3503f453ba04SDave Airlie ret = -EFAULT; 3504f453ba04SDave Airlie goto out; 3505f453ba04SDave Airlie } 3506f453ba04SDave Airlie out: 350784849903SDaniel Vetter drm_modeset_unlock_all(dev); 3508f453ba04SDave Airlie return ret; 3509f453ba04SDave Airlie } 3510d91d8a3fSKristian Høgsberg 3511d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 3512d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 3513d91d8a3fSKristian Høgsberg { 3514d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 3515d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 3516d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 3517d91d8a3fSKristian Høgsberg struct drm_framebuffer *fb; 3518d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 3519d91d8a3fSKristian Høgsberg unsigned long flags; 35207c80e128SRob Clark int hdisplay, vdisplay; 3521d91d8a3fSKristian Høgsberg int ret = -EINVAL; 3522d91d8a3fSKristian Høgsberg 3523d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3524d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 3525d91d8a3fSKristian Høgsberg return -EINVAL; 3526d91d8a3fSKristian Høgsberg 352784849903SDaniel Vetter drm_modeset_lock_all(dev); 3528d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3529d91d8a3fSKristian Høgsberg if (!obj) 3530d91d8a3fSKristian Høgsberg goto out; 3531d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 3532d91d8a3fSKristian Høgsberg 353390c1efddSChris Wilson if (crtc->fb == NULL) { 353490c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 353590c1efddSChris Wilson * due to a hotplug event, that userspace has not 353690c1efddSChris Wilson * yet discovered. 353790c1efddSChris Wilson */ 353890c1efddSChris Wilson ret = -EBUSY; 353990c1efddSChris Wilson goto out; 354090c1efddSChris Wilson } 354190c1efddSChris Wilson 3542d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 3543d91d8a3fSKristian Høgsberg goto out; 3544d91d8a3fSKristian Høgsberg 3545d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); 3546d91d8a3fSKristian Høgsberg if (!obj) 3547d91d8a3fSKristian Høgsberg goto out; 3548d91d8a3fSKristian Høgsberg fb = obj_to_fb(obj); 3549d91d8a3fSKristian Høgsberg 35507c80e128SRob Clark hdisplay = crtc->mode.hdisplay; 35517c80e128SRob Clark vdisplay = crtc->mode.vdisplay; 35527c80e128SRob Clark 35537c80e128SRob Clark if (crtc->invert_dimensions) 35547c80e128SRob Clark swap(hdisplay, vdisplay); 35557c80e128SRob Clark 35567c80e128SRob Clark if (hdisplay > fb->width || 35577c80e128SRob Clark vdisplay > fb->height || 35587c80e128SRob Clark crtc->x > fb->width - hdisplay || 35597c80e128SRob Clark crtc->y > fb->height - vdisplay) { 35607c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 35617c80e128SRob Clark fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, 35627c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 35635f61bb42SVille Syrjälä ret = -ENOSPC; 35645f61bb42SVille Syrjälä goto out; 35655f61bb42SVille Syrjälä } 35665f61bb42SVille Syrjälä 3567d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3568d91d8a3fSKristian Høgsberg ret = -ENOMEM; 3569d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3570d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 3571d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3572d91d8a3fSKristian Høgsberg goto out; 3573d91d8a3fSKristian Høgsberg } 3574d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 3575d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3576d91d8a3fSKristian Høgsberg 3577d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 3578d91d8a3fSKristian Høgsberg if (e == NULL) { 3579d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3580d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3581d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3582d91d8a3fSKristian Høgsberg goto out; 3583d91d8a3fSKristian Høgsberg } 3584d91d8a3fSKristian Høgsberg 35857bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3586d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 3587d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 3588d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 3589d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 3590d91d8a3fSKristian Høgsberg e->base.destroy = 3591d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 3592d91d8a3fSKristian Høgsberg } 3593d91d8a3fSKristian Høgsberg 3594d91d8a3fSKristian Høgsberg ret = crtc->funcs->page_flip(crtc, fb, e); 3595d91d8a3fSKristian Høgsberg if (ret) { 3596aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3597d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3598d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3599d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3600d91d8a3fSKristian Høgsberg kfree(e); 3601d91d8a3fSKristian Høgsberg } 3602aef6a7eeSJoonyoung Shim } 3603d91d8a3fSKristian Høgsberg 3604d91d8a3fSKristian Høgsberg out: 360584849903SDaniel Vetter drm_modeset_unlock_all(dev); 3606d91d8a3fSKristian Høgsberg return ret; 3607d91d8a3fSKristian Høgsberg } 3608eb033556SChris Wilson 3609eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 3610eb033556SChris Wilson { 3611eb033556SChris Wilson struct drm_crtc *crtc; 3612eb033556SChris Wilson struct drm_encoder *encoder; 3613eb033556SChris Wilson struct drm_connector *connector; 3614eb033556SChris Wilson 3615eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3616eb033556SChris Wilson if (crtc->funcs->reset) 3617eb033556SChris Wilson crtc->funcs->reset(crtc); 3618eb033556SChris Wilson 3619eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3620eb033556SChris Wilson if (encoder->funcs->reset) 3621eb033556SChris Wilson encoder->funcs->reset(encoder); 3622eb033556SChris Wilson 36235e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 36245e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 36255e2cb2f6SDaniel Vetter 3626eb033556SChris Wilson if (connector->funcs->reset) 3627eb033556SChris Wilson connector->funcs->reset(connector); 3628eb033556SChris Wilson } 36295e2cb2f6SDaniel Vetter } 3630eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 3631ff72145bSDave Airlie 3632ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3633ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3634ff72145bSDave Airlie { 3635ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 3636ff72145bSDave Airlie 3637ff72145bSDave Airlie if (!dev->driver->dumb_create) 3638ff72145bSDave Airlie return -ENOSYS; 3639ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 3640ff72145bSDave Airlie } 3641ff72145bSDave Airlie 3642ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3643ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3644ff72145bSDave Airlie { 3645ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 3646ff72145bSDave Airlie 3647ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 3648ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 3649ff72145bSDave Airlie return -ENOSYS; 3650ff72145bSDave Airlie 3651ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3652ff72145bSDave Airlie } 3653ff72145bSDave Airlie 3654ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3655ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3656ff72145bSDave Airlie { 3657ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 3658ff72145bSDave Airlie 3659ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 3660ff72145bSDave Airlie return -ENOSYS; 3661ff72145bSDave Airlie 3662ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3663ff72145bSDave Airlie } 3664248dbc23SDave Airlie 3665248dbc23SDave Airlie /* 3666248dbc23SDave Airlie * Just need to support RGB formats here for compat with code that doesn't 3667248dbc23SDave Airlie * use pixel formats directly yet. 3668248dbc23SDave Airlie */ 3669248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3670248dbc23SDave Airlie int *bpp) 3671248dbc23SDave Airlie { 3672248dbc23SDave Airlie switch (format) { 367304b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 367404b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 3675248dbc23SDave Airlie *depth = 8; 3676248dbc23SDave Airlie *bpp = 8; 3677248dbc23SDave Airlie break; 367804b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 367904b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 368004b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 368104b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 368204b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 368304b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 368404b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 368504b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 3686248dbc23SDave Airlie *depth = 15; 3687248dbc23SDave Airlie *bpp = 16; 3688248dbc23SDave Airlie break; 368904b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 369004b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 3691248dbc23SDave Airlie *depth = 16; 3692248dbc23SDave Airlie *bpp = 16; 3693248dbc23SDave Airlie break; 369404b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 369504b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 369604b3924dSVille Syrjälä *depth = 24; 369704b3924dSVille Syrjälä *bpp = 24; 369804b3924dSVille Syrjälä break; 369904b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 370004b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 370104b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 370204b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 3703248dbc23SDave Airlie *depth = 24; 3704248dbc23SDave Airlie *bpp = 32; 3705248dbc23SDave Airlie break; 370604b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 370704b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 370804b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 370904b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 371004b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 371104b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 371204b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 371304b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 3714248dbc23SDave Airlie *depth = 30; 3715248dbc23SDave Airlie *bpp = 32; 3716248dbc23SDave Airlie break; 371704b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 371804b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 371904b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 372004b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 3721248dbc23SDave Airlie *depth = 32; 3722248dbc23SDave Airlie *bpp = 32; 3723248dbc23SDave Airlie break; 3724248dbc23SDave Airlie default: 3725248dbc23SDave Airlie DRM_DEBUG_KMS("unsupported pixel format\n"); 3726248dbc23SDave Airlie *depth = 0; 3727248dbc23SDave Airlie *bpp = 0; 3728248dbc23SDave Airlie break; 3729248dbc23SDave Airlie } 3730248dbc23SDave Airlie } 3731248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 3732141670e9SVille Syrjälä 3733141670e9SVille Syrjälä /** 3734141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 3735141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 3736141670e9SVille Syrjälä * 3737141670e9SVille Syrjälä * RETURNS: 3738141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 3739141670e9SVille Syrjälä */ 3740141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 3741141670e9SVille Syrjälä { 3742141670e9SVille Syrjälä switch (format) { 3743141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 3744141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 3745141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 3746141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 3747141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 3748141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 3749141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 3750141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 3751141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 3752141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 3753141670e9SVille Syrjälä return 3; 3754141670e9SVille Syrjälä case DRM_FORMAT_NV12: 3755141670e9SVille Syrjälä case DRM_FORMAT_NV21: 3756141670e9SVille Syrjälä case DRM_FORMAT_NV16: 3757141670e9SVille Syrjälä case DRM_FORMAT_NV61: 3758ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3759ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3760141670e9SVille Syrjälä return 2; 3761141670e9SVille Syrjälä default: 3762141670e9SVille Syrjälä return 1; 3763141670e9SVille Syrjälä } 3764141670e9SVille Syrjälä } 3765141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 37665a86bd55SVille Syrjälä 37675a86bd55SVille Syrjälä /** 37685a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 37695a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 37705a86bd55SVille Syrjälä * @plane: plane index 37715a86bd55SVille Syrjälä * 37725a86bd55SVille Syrjälä * RETURNS: 37735a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 37745a86bd55SVille Syrjälä */ 37755a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 37765a86bd55SVille Syrjälä { 37775a86bd55SVille Syrjälä unsigned int depth; 37785a86bd55SVille Syrjälä int bpp; 37795a86bd55SVille Syrjälä 37805a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 37815a86bd55SVille Syrjälä return 0; 37825a86bd55SVille Syrjälä 37835a86bd55SVille Syrjälä switch (format) { 37845a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 37855a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 37865a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 37875a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 37885a86bd55SVille Syrjälä return 2; 37895a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 37905a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 37915a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 37925a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 3793ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3794ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 37955a86bd55SVille Syrjälä return plane ? 2 : 1; 37965a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 37975a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 37985a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 37995a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 38005a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 38015a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 38025a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 38035a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 38045a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 38055a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 38065a86bd55SVille Syrjälä return 1; 38075a86bd55SVille Syrjälä default: 38085a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 38095a86bd55SVille Syrjälä return bpp >> 3; 38105a86bd55SVille Syrjälä } 38115a86bd55SVille Syrjälä } 38125a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 381301b68b04SVille Syrjälä 381401b68b04SVille Syrjälä /** 381501b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 381601b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 381701b68b04SVille Syrjälä * 381801b68b04SVille Syrjälä * RETURNS: 381901b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 382001b68b04SVille Syrjälä * specified pixel format. 382101b68b04SVille Syrjälä */ 382201b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 382301b68b04SVille Syrjälä { 382401b68b04SVille Syrjälä switch (format) { 382501b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 382601b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 382701b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 382801b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 382901b68b04SVille Syrjälä return 4; 383001b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 383101b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 383201b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 383301b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 383401b68b04SVille Syrjälä case DRM_FORMAT_NV12: 383501b68b04SVille Syrjälä case DRM_FORMAT_NV21: 383601b68b04SVille Syrjälä case DRM_FORMAT_NV16: 383701b68b04SVille Syrjälä case DRM_FORMAT_NV61: 383801b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 383901b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 384001b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 384101b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 384201b68b04SVille Syrjälä return 2; 384301b68b04SVille Syrjälä default: 384401b68b04SVille Syrjälä return 1; 384501b68b04SVille Syrjälä } 384601b68b04SVille Syrjälä } 384701b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 384801b68b04SVille Syrjälä 384901b68b04SVille Syrjälä /** 385001b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 385101b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 385201b68b04SVille Syrjälä * 385301b68b04SVille Syrjälä * RETURNS: 385401b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 385501b68b04SVille Syrjälä * specified pixel format. 385601b68b04SVille Syrjälä */ 385701b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 385801b68b04SVille Syrjälä { 385901b68b04SVille Syrjälä switch (format) { 386001b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 386101b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 386201b68b04SVille Syrjälä return 4; 386301b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 386401b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 386501b68b04SVille Syrjälä case DRM_FORMAT_NV12: 386601b68b04SVille Syrjälä case DRM_FORMAT_NV21: 386701b68b04SVille Syrjälä return 2; 386801b68b04SVille Syrjälä default: 386901b68b04SVille Syrjälä return 1; 387001b68b04SVille Syrjälä } 387101b68b04SVille Syrjälä } 387201b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 3873