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 { 4984849903SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 5084849903SDaniel Vetter } 5184849903SDaniel Vetter EXPORT_SYMBOL(drm_modeset_lock_all); 5284849903SDaniel Vetter 5384849903SDaniel Vetter /** 5484849903SDaniel Vetter * drm_modeset_unlock_all - drop all modeset locks 5584849903SDaniel Vetter * @dev: device 5684849903SDaniel Vetter */ 5784849903SDaniel Vetter void drm_modeset_unlock_all(struct drm_device *dev) 5884849903SDaniel Vetter { 5984849903SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 6084849903SDaniel Vetter } 6184849903SDaniel Vetter EXPORT_SYMBOL(drm_modeset_unlock_all); 6284849903SDaniel Vetter 63f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 64f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 65f453ba04SDave Airlie char *fnname(int val) \ 66f453ba04SDave Airlie { \ 67f453ba04SDave Airlie int i; \ 68f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 69f453ba04SDave Airlie if (list[i].type == val) \ 70f453ba04SDave Airlie return list[i].name; \ 71f453ba04SDave Airlie } \ 72f453ba04SDave Airlie return "(unknown)"; \ 73f453ba04SDave Airlie } 74f453ba04SDave Airlie 75f453ba04SDave Airlie /* 76f453ba04SDave Airlie * Global properties 77f453ba04SDave Airlie */ 78f453ba04SDave Airlie static struct drm_prop_enum_list drm_dpms_enum_list[] = 79f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 80f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 81f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 82f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 83f453ba04SDave Airlie }; 84f453ba04SDave Airlie 85f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 86f453ba04SDave Airlie 87f453ba04SDave Airlie /* 88f453ba04SDave Airlie * Optional properties 89f453ba04SDave Airlie */ 90f453ba04SDave Airlie static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 91f453ba04SDave Airlie { 9253bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 9353bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 9453bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 9553bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 96f453ba04SDave Airlie }; 97f453ba04SDave Airlie 98f453ba04SDave Airlie static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 99f453ba04SDave Airlie { 100f453ba04SDave Airlie { DRM_MODE_DITHERING_OFF, "Off" }, 101f453ba04SDave Airlie { DRM_MODE_DITHERING_ON, "On" }, 10292897b5cSBen Skeggs { DRM_MODE_DITHERING_AUTO, "Automatic" }, 103f453ba04SDave Airlie }; 104f453ba04SDave Airlie 105f453ba04SDave Airlie /* 106f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 107f453ba04SDave Airlie */ 108f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 109f453ba04SDave Airlie { 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 111f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 112f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 113f453ba04SDave Airlie }; 114f453ba04SDave Airlie 115f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 116f453ba04SDave Airlie 117f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 118f453ba04SDave Airlie { 119f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 122f453ba04SDave Airlie }; 123f453ba04SDave Airlie 124f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 125f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 126f453ba04SDave Airlie 127f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_select_enum_list[] = 128f453ba04SDave Airlie { 129f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 130f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 131f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 132f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 133aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 134f453ba04SDave Airlie }; 135f453ba04SDave Airlie 136f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 137f453ba04SDave Airlie 138f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 139f453ba04SDave Airlie { 140f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 141f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 142f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 143f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 144aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 145f453ba04SDave Airlie }; 146f453ba04SDave Airlie 147f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 148f453ba04SDave Airlie drm_tv_subconnector_enum_list) 149f453ba04SDave Airlie 150884840aaSJakob Bornecrantz static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 151884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 152884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 153884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 154884840aaSJakob Bornecrantz }; 155884840aaSJakob Bornecrantz 156884840aaSJakob Bornecrantz DRM_ENUM_NAME_FN(drm_get_dirty_info_name, 157884840aaSJakob Bornecrantz drm_dirty_info_enum_list) 158884840aaSJakob Bornecrantz 159f453ba04SDave Airlie struct drm_conn_prop_enum_list { 160f453ba04SDave Airlie int type; 161f453ba04SDave Airlie char *name; 162f453ba04SDave Airlie int count; 163f453ba04SDave Airlie }; 164f453ba04SDave Airlie 165f453ba04SDave Airlie /* 166f453ba04SDave Airlie * Connector and encoder types. 167f453ba04SDave Airlie */ 168f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 169f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 170f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 171f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 172f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 173f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 174f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 175f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 176f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 177f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 178e76116caSAlex Deucher { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, 179e76116caSAlex Deucher { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, 180e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, 181e76116caSAlex Deucher { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, 18274bd3c26SFrancisco Jerez { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 183e76116caSAlex Deucher { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, 184a7331e5cSThomas Hellstrom { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, 185f453ba04SDave Airlie }; 186f453ba04SDave Airlie 187f453ba04SDave Airlie static struct drm_prop_enum_list drm_encoder_enum_list[] = 188f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 189f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 190f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 191f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 192f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 193a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 194f453ba04SDave Airlie }; 195f453ba04SDave Airlie 196f453ba04SDave Airlie char *drm_get_encoder_name(struct drm_encoder *encoder) 197f453ba04SDave Airlie { 198f453ba04SDave Airlie static char buf[32]; 199f453ba04SDave Airlie 200f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 201f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 202f453ba04SDave Airlie encoder->base.id); 203f453ba04SDave Airlie return buf; 204f453ba04SDave Airlie } 20513a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 206f453ba04SDave Airlie 207f453ba04SDave Airlie char *drm_get_connector_name(struct drm_connector *connector) 208f453ba04SDave Airlie { 209f453ba04SDave Airlie static char buf[32]; 210f453ba04SDave Airlie 211f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 212f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 213f453ba04SDave Airlie connector->connector_type_id); 214f453ba04SDave Airlie return buf; 215f453ba04SDave Airlie } 216f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 217f453ba04SDave Airlie 218f453ba04SDave Airlie char *drm_get_connector_status_name(enum drm_connector_status status) 219f453ba04SDave Airlie { 220f453ba04SDave Airlie if (status == connector_status_connected) 221f453ba04SDave Airlie return "connected"; 222f453ba04SDave Airlie else if (status == connector_status_disconnected) 223f453ba04SDave Airlie return "disconnected"; 224f453ba04SDave Airlie else 225f453ba04SDave Airlie return "unknown"; 226f453ba04SDave Airlie } 227f453ba04SDave Airlie 228f453ba04SDave Airlie /** 229065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 230f453ba04SDave Airlie * @dev: DRM device 231065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 232065a50edSDaniel Vetter * @obj_type: object type 233f453ba04SDave Airlie * 234f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 235f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 236f453ba04SDave Airlie * 237f453ba04SDave Airlie * RETURNS: 238f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 239f453ba04SDave Airlie * object. 240f453ba04SDave Airlie */ 241f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 242f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 243f453ba04SDave Airlie { 244f453ba04SDave Airlie int new_id = 0; 245f453ba04SDave Airlie int ret; 246f453ba04SDave Airlie 247f453ba04SDave Airlie again: 248f453ba04SDave Airlie if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { 249f453ba04SDave Airlie DRM_ERROR("Ran out memory getting a mode number\n"); 250f1ae126cSVille Syrjälä return -ENOMEM; 251f453ba04SDave Airlie } 252f453ba04SDave Airlie 253ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 254f453ba04SDave Airlie ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); 255ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 256f453ba04SDave Airlie if (ret == -EAGAIN) 257f453ba04SDave Airlie goto again; 258f1ae126cSVille Syrjälä else if (ret) 259f1ae126cSVille Syrjälä return ret; 260f453ba04SDave Airlie 261f453ba04SDave Airlie obj->id = new_id; 262f453ba04SDave Airlie obj->type = obj_type; 263f453ba04SDave Airlie return 0; 264f453ba04SDave Airlie } 265f453ba04SDave Airlie 266f453ba04SDave Airlie /** 267065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 268f453ba04SDave Airlie * @dev: DRM device 269065a50edSDaniel Vetter * @object: object to free 270f453ba04SDave Airlie * 271f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 272f453ba04SDave Airlie */ 273f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 274f453ba04SDave Airlie struct drm_mode_object *object) 275f453ba04SDave Airlie { 276ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 277f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 278ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 279f453ba04SDave Airlie } 280f453ba04SDave Airlie 2817a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 2827a9c9060SDaniel Vetter uint32_t id, uint32_t type) 283f453ba04SDave Airlie { 284ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 285f453ba04SDave Airlie 286ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 287f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 288f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 289ad2563c2SJesse Barnes obj = NULL; 290ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 291f453ba04SDave Airlie 292f453ba04SDave Airlie return obj; 293f453ba04SDave Airlie } 294f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 295f453ba04SDave Airlie 296f453ba04SDave Airlie /** 297f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 298f453ba04SDave Airlie * @dev: DRM device 299065a50edSDaniel Vetter * @fb: framebuffer to be initialized 300065a50edSDaniel Vetter * @funcs: ... with these functions 301f453ba04SDave Airlie * 302f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 303f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 304f453ba04SDave Airlie * 305f453ba04SDave Airlie * RETURNS: 306af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 307f453ba04SDave Airlie */ 308f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 309f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 310f453ba04SDave Airlie { 311f453ba04SDave Airlie int ret; 312f453ba04SDave Airlie 313f7eff60eSRob Clark kref_init(&fb->refcount); 314f7eff60eSRob Clark 315f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 3166bfc56aaSVille Syrjälä if (ret) 317f453ba04SDave Airlie return ret; 318f453ba04SDave Airlie 319f453ba04SDave Airlie fb->dev = dev; 320f453ba04SDave Airlie fb->funcs = funcs; 321f453ba04SDave Airlie dev->mode_config.num_fb++; 322f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 323f453ba04SDave Airlie 324f453ba04SDave Airlie return 0; 325f453ba04SDave Airlie } 326f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 327f453ba04SDave Airlie 328f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 329f7eff60eSRob Clark { 330f7eff60eSRob Clark struct drm_framebuffer *fb = 331f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 332f7eff60eSRob Clark fb->funcs->destroy(fb); 333f7eff60eSRob Clark } 334f7eff60eSRob Clark 335f7eff60eSRob Clark /** 336f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 337065a50edSDaniel Vetter * @fb: framebuffer to unref 338065a50edSDaniel Vetter * 339065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 340f7eff60eSRob Clark */ 341f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 342f7eff60eSRob Clark { 343f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 344f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 345f7eff60eSRob Clark } 346f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 347f7eff60eSRob Clark 348f7eff60eSRob Clark /** 349f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 350065a50edSDaniel Vetter * @fb: framebuffer 351f7eff60eSRob Clark */ 352f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 353f7eff60eSRob Clark { 354f7eff60eSRob Clark DRM_DEBUG("FB ID: %d\n", fb->base.id); 355f7eff60eSRob Clark kref_get(&fb->refcount); 356f7eff60eSRob Clark } 357f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 358f7eff60eSRob Clark 359f453ba04SDave Airlie /** 360f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 361f453ba04SDave Airlie * @fb: framebuffer to remove 362f453ba04SDave Airlie * 363f453ba04SDave Airlie * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes 364f453ba04SDave Airlie * it, setting it to NULL. 365f453ba04SDave Airlie */ 366f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 367f453ba04SDave Airlie { 368f453ba04SDave Airlie struct drm_device *dev = fb->dev; 3698faf6b18SDaniel Vetter 370f7eff60eSRob Clark /* 371f7eff60eSRob Clark * This could be moved to drm_framebuffer_remove(), but for 372f7eff60eSRob Clark * debugging is nice to keep around the list of fb's that are 373f7eff60eSRob Clark * no longer associated w/ a drm_file but are not unreferenced 374f7eff60eSRob Clark * yet. (i915 and omapdrm have debugfs files which will show 375f7eff60eSRob Clark * this.) 376f7eff60eSRob Clark */ 377f7eff60eSRob Clark drm_mode_object_put(dev, &fb->base); 378f7eff60eSRob Clark list_del(&fb->head); 379f7eff60eSRob Clark dev->mode_config.num_fb--; 380f7eff60eSRob Clark } 381f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 382f7eff60eSRob Clark 383f7eff60eSRob Clark /** 384f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 385f7eff60eSRob Clark * @fb: framebuffer to remove 386f7eff60eSRob Clark * 387f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 388f7eff60eSRob Clark * using @fb, removes it, setting it to NULL. 389f7eff60eSRob Clark */ 390f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 391f7eff60eSRob Clark { 392f7eff60eSRob Clark struct drm_device *dev = fb->dev; 393f453ba04SDave Airlie struct drm_crtc *crtc; 3948cf5c917SJesse Barnes struct drm_plane *plane; 3955ef5f72fSDave Airlie struct drm_mode_set set; 3965ef5f72fSDave Airlie int ret; 397f453ba04SDave Airlie 3988faf6b18SDaniel Vetter WARN_ON(!drm_modeset_is_locked(dev)); 3998faf6b18SDaniel Vetter 400f453ba04SDave Airlie /* remove from any CRTC */ 401f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 4025ef5f72fSDave Airlie if (crtc->fb == fb) { 4035ef5f72fSDave Airlie /* should turn off the crtc */ 4045ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 4055ef5f72fSDave Airlie set.crtc = crtc; 4065ef5f72fSDave Airlie set.fb = NULL; 4072d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 4085ef5f72fSDave Airlie if (ret) 4095ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 4105ef5f72fSDave Airlie } 411f453ba04SDave Airlie } 412f453ba04SDave Airlie 4138cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 4148cf5c917SJesse Barnes if (plane->fb == fb) { 4158cf5c917SJesse Barnes /* should turn off the crtc */ 4168cf5c917SJesse Barnes ret = plane->funcs->disable_plane(plane); 4178cf5c917SJesse Barnes if (ret) 4188cf5c917SJesse Barnes DRM_ERROR("failed to disable plane with busy fb\n"); 419a9971157SRob Clark /* disconnect the plane from the fb and crtc: */ 420a9971157SRob Clark plane->fb = NULL; 421a9971157SRob Clark plane->crtc = NULL; 4228cf5c917SJesse Barnes } 4238cf5c917SJesse Barnes } 4248cf5c917SJesse Barnes 425f7eff60eSRob Clark list_del(&fb->filp_head); 426f7eff60eSRob Clark 427f7eff60eSRob Clark drm_framebuffer_unreference(fb); 428f453ba04SDave Airlie } 429f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 430f453ba04SDave Airlie 431f453ba04SDave Airlie /** 432f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 433f453ba04SDave Airlie * @dev: DRM device 434f453ba04SDave Airlie * @crtc: CRTC object to init 435f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 436f453ba04SDave Airlie * 437f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 4386bfc56aaSVille Syrjälä * 4396bfc56aaSVille Syrjälä * RETURNS: 4406bfc56aaSVille Syrjälä * Zero on success, error code on failure. 441f453ba04SDave Airlie */ 4426bfc56aaSVille Syrjälä int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 443f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 444f453ba04SDave Airlie { 4456bfc56aaSVille Syrjälä int ret; 4466bfc56aaSVille Syrjälä 447f453ba04SDave Airlie crtc->dev = dev; 448f453ba04SDave Airlie crtc->funcs = funcs; 4497c80e128SRob Clark crtc->invert_dimensions = false; 450f453ba04SDave Airlie 45184849903SDaniel Vetter drm_modeset_lock_all(dev); 4526bfc56aaSVille Syrjälä 4536bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 4546bfc56aaSVille Syrjälä if (ret) 4556bfc56aaSVille Syrjälä goto out; 456f453ba04SDave Airlie 457bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 458bffd9de0SPaulo Zanoni 459f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 460f453ba04SDave Airlie dev->mode_config.num_crtc++; 4616bfc56aaSVille Syrjälä 4626bfc56aaSVille Syrjälä out: 46384849903SDaniel Vetter drm_modeset_unlock_all(dev); 4646bfc56aaSVille Syrjälä 4656bfc56aaSVille Syrjälä return ret; 466f453ba04SDave Airlie } 467f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 468f453ba04SDave Airlie 469f453ba04SDave Airlie /** 470f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 471f453ba04SDave Airlie * @crtc: CRTC to cleanup 472f453ba04SDave Airlie * 473f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 474f453ba04SDave Airlie * does NOT free object, caller does that. 475f453ba04SDave Airlie */ 476f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 477f453ba04SDave Airlie { 478f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 479f453ba04SDave Airlie 480f453ba04SDave Airlie kfree(crtc->gamma_store); 481f453ba04SDave Airlie crtc->gamma_store = NULL; 482f453ba04SDave Airlie 483f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 484f453ba04SDave Airlie list_del(&crtc->head); 485f453ba04SDave Airlie dev->mode_config.num_crtc--; 486f453ba04SDave Airlie } 487f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 488f453ba04SDave Airlie 489f453ba04SDave Airlie /** 490f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 491f453ba04SDave Airlie * @connector: connector the new mode 492f453ba04SDave Airlie * @mode: mode data 493f453ba04SDave Airlie * 494f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 495f453ba04SDave Airlie */ 496f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 497f453ba04SDave Airlie struct drm_display_mode *mode) 498f453ba04SDave Airlie { 499f453ba04SDave Airlie list_add(&mode->head, &connector->probed_modes); 500f453ba04SDave Airlie } 501f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 502f453ba04SDave Airlie 503f453ba04SDave Airlie /** 504f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 505f453ba04SDave Airlie * @connector: connector list to modify 506f453ba04SDave Airlie * @mode: mode to remove 507f453ba04SDave Airlie * 508f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 509f453ba04SDave Airlie */ 510f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 511f453ba04SDave Airlie struct drm_display_mode *mode) 512f453ba04SDave Airlie { 513f453ba04SDave Airlie list_del(&mode->head); 514554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 515f453ba04SDave Airlie } 516f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 517f453ba04SDave Airlie 518f453ba04SDave Airlie /** 519f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 520f453ba04SDave Airlie * @dev: DRM device 521f453ba04SDave Airlie * @connector: the connector to init 522f453ba04SDave Airlie * @funcs: callbacks for this connector 523065a50edSDaniel Vetter * @connector_type: user visible type of the connector 524f453ba04SDave Airlie * 525f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 526f453ba04SDave Airlie * subclassed as part of driver connector objects. 5276bfc56aaSVille Syrjälä * 5286bfc56aaSVille Syrjälä * RETURNS: 5296bfc56aaSVille Syrjälä * Zero on success, error code on failure. 530f453ba04SDave Airlie */ 5316bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 532f453ba04SDave Airlie struct drm_connector *connector, 533f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 534f453ba04SDave Airlie int connector_type) 535f453ba04SDave Airlie { 5366bfc56aaSVille Syrjälä int ret; 5376bfc56aaSVille Syrjälä 53884849903SDaniel Vetter drm_modeset_lock_all(dev); 539f453ba04SDave Airlie 5406bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 5416bfc56aaSVille Syrjälä if (ret) 5426bfc56aaSVille Syrjälä goto out; 5436bfc56aaSVille Syrjälä 5447e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 545f453ba04SDave Airlie connector->dev = dev; 546f453ba04SDave Airlie connector->funcs = funcs; 547f453ba04SDave Airlie connector->connector_type = connector_type; 548f453ba04SDave Airlie connector->connector_type_id = 549f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 550f453ba04SDave Airlie INIT_LIST_HEAD(&connector->user_modes); 551f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 552f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 553f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 5545e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 555f453ba04SDave Airlie 556f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 557f453ba04SDave Airlie dev->mode_config.num_connector++; 558f453ba04SDave Airlie 559a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 56058495563SRob Clark drm_object_attach_property(&connector->base, 561a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 562a7331e5cSThomas Hellstrom 0); 563f453ba04SDave Airlie 56458495563SRob Clark drm_object_attach_property(&connector->base, 565f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 566f453ba04SDave Airlie 5676bfc56aaSVille Syrjälä out: 56884849903SDaniel Vetter drm_modeset_unlock_all(dev); 5696bfc56aaSVille Syrjälä 5706bfc56aaSVille Syrjälä return ret; 571f453ba04SDave Airlie } 572f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 573f453ba04SDave Airlie 574f453ba04SDave Airlie /** 575f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 576f453ba04SDave Airlie * @connector: connector to cleanup 577f453ba04SDave Airlie * 578f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 579f453ba04SDave Airlie */ 580f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 581f453ba04SDave Airlie { 582f453ba04SDave Airlie struct drm_device *dev = connector->dev; 583f453ba04SDave Airlie struct drm_display_mode *mode, *t; 584f453ba04SDave Airlie 585f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 586f453ba04SDave Airlie drm_mode_remove(connector, mode); 587f453ba04SDave Airlie 588f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 589f453ba04SDave Airlie drm_mode_remove(connector, mode); 590f453ba04SDave Airlie 591f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->user_modes, head) 592f453ba04SDave Airlie drm_mode_remove(connector, mode); 593f453ba04SDave Airlie 594f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 595f453ba04SDave Airlie list_del(&connector->head); 5966380c509SJoonyoung Shim dev->mode_config.num_connector--; 597f453ba04SDave Airlie } 598f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 599f453ba04SDave Airlie 600cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 601cbc7e221SDave Airlie { 602cbc7e221SDave Airlie struct drm_connector *connector; 603cbc7e221SDave Airlie 604cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 605cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 606cbc7e221SDave Airlie drm_sysfs_connector_remove(connector); 607cbc7e221SDave Airlie 608cbc7e221SDave Airlie } 609cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 610cbc7e221SDave Airlie 6116bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 612f453ba04SDave Airlie struct drm_encoder *encoder, 613f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 614f453ba04SDave Airlie int encoder_type) 615f453ba04SDave Airlie { 6166bfc56aaSVille Syrjälä int ret; 6176bfc56aaSVille Syrjälä 61884849903SDaniel Vetter drm_modeset_lock_all(dev); 619f453ba04SDave Airlie 6206bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 6216bfc56aaSVille Syrjälä if (ret) 6226bfc56aaSVille Syrjälä goto out; 623f453ba04SDave Airlie 6246bfc56aaSVille Syrjälä encoder->dev = dev; 625f453ba04SDave Airlie encoder->encoder_type = encoder_type; 626f453ba04SDave Airlie encoder->funcs = funcs; 627f453ba04SDave Airlie 628f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 629f453ba04SDave Airlie dev->mode_config.num_encoder++; 630f453ba04SDave Airlie 6316bfc56aaSVille Syrjälä out: 63284849903SDaniel Vetter drm_modeset_unlock_all(dev); 6336bfc56aaSVille Syrjälä 6346bfc56aaSVille Syrjälä return ret; 635f453ba04SDave Airlie } 636f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 637f453ba04SDave Airlie 638f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 639f453ba04SDave Airlie { 640f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 64184849903SDaniel Vetter drm_modeset_lock_all(dev); 642f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 643f453ba04SDave Airlie list_del(&encoder->head); 6446380c509SJoonyoung Shim dev->mode_config.num_encoder--; 64584849903SDaniel Vetter drm_modeset_unlock_all(dev); 646f453ba04SDave Airlie } 647f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 648f453ba04SDave Airlie 6498cf5c917SJesse Barnes int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 6508cf5c917SJesse Barnes unsigned long possible_crtcs, 6518cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 6520a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 6530a7eb243SRob Clark bool priv) 6548cf5c917SJesse Barnes { 6556bfc56aaSVille Syrjälä int ret; 6566bfc56aaSVille Syrjälä 65784849903SDaniel Vetter drm_modeset_lock_all(dev); 6588cf5c917SJesse Barnes 6596bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 6606bfc56aaSVille Syrjälä if (ret) 6616bfc56aaSVille Syrjälä goto out; 6626bfc56aaSVille Syrjälä 6634d93914aSRob Clark plane->base.properties = &plane->properties; 6648cf5c917SJesse Barnes plane->dev = dev; 6658cf5c917SJesse Barnes plane->funcs = funcs; 6668cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 6678cf5c917SJesse Barnes GFP_KERNEL); 6688cf5c917SJesse Barnes if (!plane->format_types) { 6698cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 6708cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 6716bfc56aaSVille Syrjälä ret = -ENOMEM; 6726bfc56aaSVille Syrjälä goto out; 6738cf5c917SJesse Barnes } 6748cf5c917SJesse Barnes 675308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 6768cf5c917SJesse Barnes plane->format_count = format_count; 6778cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 6788cf5c917SJesse Barnes 6790a7eb243SRob Clark /* private planes are not exposed to userspace, but depending on 6800a7eb243SRob Clark * display hardware, might be convenient to allow sharing programming 6810a7eb243SRob Clark * for the scanout engine with the crtc implementation. 6820a7eb243SRob Clark */ 6830a7eb243SRob Clark if (!priv) { 6848cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 6858cf5c917SJesse Barnes dev->mode_config.num_plane++; 6860a7eb243SRob Clark } else { 6870a7eb243SRob Clark INIT_LIST_HEAD(&plane->head); 6880a7eb243SRob Clark } 6898cf5c917SJesse Barnes 6906bfc56aaSVille Syrjälä out: 69184849903SDaniel Vetter drm_modeset_unlock_all(dev); 6928cf5c917SJesse Barnes 6936bfc56aaSVille Syrjälä return ret; 6948cf5c917SJesse Barnes } 6958cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 6968cf5c917SJesse Barnes 6978cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 6988cf5c917SJesse Barnes { 6998cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 7008cf5c917SJesse Barnes 70184849903SDaniel Vetter drm_modeset_lock_all(dev); 7028cf5c917SJesse Barnes kfree(plane->format_types); 7038cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 7040a7eb243SRob Clark /* if not added to a list, it must be a private plane */ 7050a7eb243SRob Clark if (!list_empty(&plane->head)) { 7068cf5c917SJesse Barnes list_del(&plane->head); 7078cf5c917SJesse Barnes dev->mode_config.num_plane--; 7080a7eb243SRob Clark } 70984849903SDaniel Vetter drm_modeset_unlock_all(dev); 7108cf5c917SJesse Barnes } 7118cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 7128cf5c917SJesse Barnes 713f453ba04SDave Airlie /** 714f453ba04SDave Airlie * drm_mode_create - create a new display mode 715f453ba04SDave Airlie * @dev: DRM device 716f453ba04SDave Airlie * 717f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 718f453ba04SDave Airlie * 719f453ba04SDave Airlie * RETURNS: 720f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 721f453ba04SDave Airlie */ 722f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 723f453ba04SDave Airlie { 724f453ba04SDave Airlie struct drm_display_mode *nmode; 725f453ba04SDave Airlie 726f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 727f453ba04SDave Airlie if (!nmode) 728f453ba04SDave Airlie return NULL; 729f453ba04SDave Airlie 7306bfc56aaSVille Syrjälä if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 7316bfc56aaSVille Syrjälä kfree(nmode); 7326bfc56aaSVille Syrjälä return NULL; 7336bfc56aaSVille Syrjälä } 7346bfc56aaSVille Syrjälä 735f453ba04SDave Airlie return nmode; 736f453ba04SDave Airlie } 737f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 738f453ba04SDave Airlie 739f453ba04SDave Airlie /** 740f453ba04SDave Airlie * drm_mode_destroy - remove a mode 741f453ba04SDave Airlie * @dev: DRM device 742f453ba04SDave Airlie * @mode: mode to remove 743f453ba04SDave Airlie * 744f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 745f453ba04SDave Airlie */ 746f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 747f453ba04SDave Airlie { 748ee34ab5bSVille Syrjälä if (!mode) 749ee34ab5bSVille Syrjälä return; 750ee34ab5bSVille Syrjälä 751f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 752f453ba04SDave Airlie 753f453ba04SDave Airlie kfree(mode); 754f453ba04SDave Airlie } 755f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 756f453ba04SDave Airlie 757f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 758f453ba04SDave Airlie { 759f453ba04SDave Airlie struct drm_property *edid; 760f453ba04SDave Airlie struct drm_property *dpms; 761f453ba04SDave Airlie 762f453ba04SDave Airlie /* 763f453ba04SDave Airlie * Standard properties (apply to all connectors) 764f453ba04SDave Airlie */ 765f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 766f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 767f453ba04SDave Airlie "EDID", 0); 768f453ba04SDave Airlie dev->mode_config.edid_property = edid; 769f453ba04SDave Airlie 7704a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 7714a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 7724a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 773f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 774f453ba04SDave Airlie 775f453ba04SDave Airlie return 0; 776f453ba04SDave Airlie } 777f453ba04SDave Airlie 778f453ba04SDave Airlie /** 779f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 780f453ba04SDave Airlie * @dev: DRM device 781f453ba04SDave Airlie * 782f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 783f453ba04SDave Airlie */ 784f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 785f453ba04SDave Airlie { 786f453ba04SDave Airlie struct drm_property *dvi_i_selector; 787f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 788f453ba04SDave Airlie 789f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 790f453ba04SDave Airlie return 0; 791f453ba04SDave Airlie 792f453ba04SDave Airlie dvi_i_selector = 7934a67d391SSascha Hauer drm_property_create_enum(dev, 0, 794f453ba04SDave Airlie "select subconnector", 7954a67d391SSascha Hauer drm_dvi_i_select_enum_list, 796f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 797f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 798f453ba04SDave Airlie 7994a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 800f453ba04SDave Airlie "subconnector", 8014a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 802f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 803f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 804f453ba04SDave Airlie 805f453ba04SDave Airlie return 0; 806f453ba04SDave Airlie } 807f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 808f453ba04SDave Airlie 809f453ba04SDave Airlie /** 810f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 811f453ba04SDave Airlie * @dev: DRM device 812f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 813f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 814f453ba04SDave Airlie * 815f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 816f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 817f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 818f453ba04SDave Airlie * this routine. 819f453ba04SDave Airlie */ 820f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 821f453ba04SDave Airlie char *modes[]) 822f453ba04SDave Airlie { 823f453ba04SDave Airlie struct drm_property *tv_selector; 824f453ba04SDave Airlie struct drm_property *tv_subconnector; 825f453ba04SDave Airlie int i; 826f453ba04SDave Airlie 827f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 828f453ba04SDave Airlie return 0; 829f453ba04SDave Airlie 830f453ba04SDave Airlie /* 831f453ba04SDave Airlie * Basic connector properties 832f453ba04SDave Airlie */ 8334a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 834f453ba04SDave Airlie "select subconnector", 8354a67d391SSascha Hauer drm_tv_select_enum_list, 836f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 837f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 838f453ba04SDave Airlie 839f453ba04SDave Airlie tv_subconnector = 8404a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 8414a67d391SSascha Hauer "subconnector", 8424a67d391SSascha Hauer drm_tv_subconnector_enum_list, 843f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 844f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 845f453ba04SDave Airlie 846f453ba04SDave Airlie /* 847f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 848f453ba04SDave Airlie */ 849f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 850d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 851f453ba04SDave Airlie 852f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 853d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 854f453ba04SDave Airlie 855f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 856d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 857f453ba04SDave Airlie 858f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 859d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 860f453ba04SDave Airlie 861f453ba04SDave Airlie dev->mode_config.tv_mode_property = 862f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 863f453ba04SDave Airlie "mode", num_modes); 864f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 865f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 866f453ba04SDave Airlie i, modes[i]); 867f453ba04SDave Airlie 868b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 869d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 870b6b7902eSFrancisco Jerez 871b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 872d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 873b6b7902eSFrancisco Jerez 874b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 875d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 876b6b7902eSFrancisco Jerez 877a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 878d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 879a75f0236SFrancisco Jerez 880a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 881d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 882a75f0236SFrancisco Jerez 883a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 884d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 885a75f0236SFrancisco Jerez 886f453ba04SDave Airlie return 0; 887f453ba04SDave Airlie } 888f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 889f453ba04SDave Airlie 890f453ba04SDave Airlie /** 891f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 892f453ba04SDave Airlie * @dev: DRM device 893f453ba04SDave Airlie * 894f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 895f453ba04SDave Airlie * connectors. 896f453ba04SDave Airlie */ 897f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 898f453ba04SDave Airlie { 899f453ba04SDave Airlie struct drm_property *scaling_mode; 900f453ba04SDave Airlie 901f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 902f453ba04SDave Airlie return 0; 903f453ba04SDave Airlie 904f453ba04SDave Airlie scaling_mode = 9054a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 9064a67d391SSascha Hauer drm_scaling_mode_enum_list, 907f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 908f453ba04SDave Airlie 909f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 910f453ba04SDave Airlie 911f453ba04SDave Airlie return 0; 912f453ba04SDave Airlie } 913f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 914f453ba04SDave Airlie 915f453ba04SDave Airlie /** 916f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 917f453ba04SDave Airlie * @dev: DRM device 918f453ba04SDave Airlie * 919f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 920f453ba04SDave Airlie * connectors. 921f453ba04SDave Airlie */ 922f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 923f453ba04SDave Airlie { 924f453ba04SDave Airlie struct drm_property *dithering_mode; 925f453ba04SDave Airlie 926f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 927f453ba04SDave Airlie return 0; 928f453ba04SDave Airlie 929f453ba04SDave Airlie dithering_mode = 9304a67d391SSascha Hauer drm_property_create_enum(dev, 0, "dithering", 9314a67d391SSascha Hauer drm_dithering_mode_enum_list, 932f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 933f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 934f453ba04SDave Airlie 935f453ba04SDave Airlie return 0; 936f453ba04SDave Airlie } 937f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 938f453ba04SDave Airlie 939f453ba04SDave Airlie /** 940884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 941884840aaSJakob Bornecrantz * @dev: DRM device 942884840aaSJakob Bornecrantz * 943884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 944884840aaSJakob Bornecrantz * connectors. 945884840aaSJakob Bornecrantz */ 946884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 947884840aaSJakob Bornecrantz { 948884840aaSJakob Bornecrantz struct drm_property *dirty_info; 949884840aaSJakob Bornecrantz 950884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 951884840aaSJakob Bornecrantz return 0; 952884840aaSJakob Bornecrantz 953884840aaSJakob Bornecrantz dirty_info = 9544a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 955884840aaSJakob Bornecrantz "dirty", 9564a67d391SSascha Hauer drm_dirty_info_enum_list, 957884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 958884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 959884840aaSJakob Bornecrantz 960884840aaSJakob Bornecrantz return 0; 961884840aaSJakob Bornecrantz } 962884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 963884840aaSJakob Bornecrantz 964884840aaSJakob Bornecrantz /** 965f453ba04SDave Airlie * drm_mode_config_init - initialize DRM mode_configuration structure 966f453ba04SDave Airlie * @dev: DRM device 967f453ba04SDave Airlie * 968f453ba04SDave Airlie * Initialize @dev's mode_config structure, used for tracking the graphics 969f453ba04SDave Airlie * configuration of @dev. 9708faf6b18SDaniel Vetter * 9718faf6b18SDaniel Vetter * Since this initializes the modeset locks, no locking is possible. Which is no 9728faf6b18SDaniel Vetter * problem, since this should happen single threaded at init time. It is the 9738faf6b18SDaniel Vetter * driver's problem to ensure this guarantee. 9748faf6b18SDaniel Vetter * 975f453ba04SDave Airlie */ 976f453ba04SDave Airlie void drm_mode_config_init(struct drm_device *dev) 977f453ba04SDave Airlie { 978f453ba04SDave Airlie mutex_init(&dev->mode_config.mutex); 979ad2563c2SJesse Barnes mutex_init(&dev->mode_config.idr_mutex); 980f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_list); 981f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.crtc_list); 982f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.connector_list); 983f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.encoder_list); 984f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_list); 985f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 9868cf5c917SJesse Barnes INIT_LIST_HEAD(&dev->mode_config.plane_list); 987f453ba04SDave Airlie idr_init(&dev->mode_config.crtc_idr); 988f453ba04SDave Airlie 98984849903SDaniel Vetter drm_modeset_lock_all(dev); 990f453ba04SDave Airlie drm_mode_create_standard_connector_properties(dev); 99184849903SDaniel Vetter drm_modeset_unlock_all(dev); 992f453ba04SDave Airlie 993f453ba04SDave Airlie /* Just to be sure */ 994f453ba04SDave Airlie dev->mode_config.num_fb = 0; 995f453ba04SDave Airlie dev->mode_config.num_connector = 0; 996f453ba04SDave Airlie dev->mode_config.num_crtc = 0; 997f453ba04SDave Airlie dev->mode_config.num_encoder = 0; 998f453ba04SDave Airlie } 999f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_init); 1000f453ba04SDave Airlie 1001f453ba04SDave Airlie int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1002f453ba04SDave Airlie { 1003f453ba04SDave Airlie uint32_t total_objects = 0; 1004f453ba04SDave Airlie 1005f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1006f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1007f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1008f453ba04SDave Airlie 1009f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1010f453ba04SDave Airlie if (!group->id_list) 1011f453ba04SDave Airlie return -ENOMEM; 1012f453ba04SDave Airlie 1013f453ba04SDave Airlie group->num_crtcs = 0; 1014f453ba04SDave Airlie group->num_connectors = 0; 1015f453ba04SDave Airlie group->num_encoders = 0; 1016f453ba04SDave Airlie return 0; 1017f453ba04SDave Airlie } 1018f453ba04SDave Airlie 1019f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1020f453ba04SDave Airlie struct drm_mode_group *group) 1021f453ba04SDave Airlie { 1022f453ba04SDave Airlie struct drm_crtc *crtc; 1023f453ba04SDave Airlie struct drm_encoder *encoder; 1024f453ba04SDave Airlie struct drm_connector *connector; 1025f453ba04SDave Airlie int ret; 1026f453ba04SDave Airlie 1027f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1028f453ba04SDave Airlie return ret; 1029f453ba04SDave Airlie 1030f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1031f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1032f453ba04SDave Airlie 1033f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1034f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1035f453ba04SDave Airlie encoder->base.id; 1036f453ba04SDave Airlie 1037f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1038f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1039f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1040f453ba04SDave Airlie 1041f453ba04SDave Airlie return 0; 1042f453ba04SDave Airlie } 10439c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1044f453ba04SDave Airlie 1045f453ba04SDave Airlie /** 1046f453ba04SDave Airlie * drm_mode_config_cleanup - free up DRM mode_config info 1047f453ba04SDave Airlie * @dev: DRM device 1048f453ba04SDave Airlie * 1049f453ba04SDave Airlie * Free up all the connectors and CRTCs associated with this DRM device, then 1050f453ba04SDave Airlie * free up the framebuffers and associated buffer objects. 1051f453ba04SDave Airlie * 10528faf6b18SDaniel Vetter * Note that since this /should/ happen single-threaded at driver/device 10538faf6b18SDaniel Vetter * teardown time, no locking is required. It's the driver's job to ensure that 10548faf6b18SDaniel Vetter * this guarantee actually holds true. 10558faf6b18SDaniel Vetter * 1056f453ba04SDave Airlie * FIXME: cleanup any dangling user buffer objects too 1057f453ba04SDave Airlie */ 1058f453ba04SDave Airlie void drm_mode_config_cleanup(struct drm_device *dev) 1059f453ba04SDave Airlie { 1060f453ba04SDave Airlie struct drm_connector *connector, *ot; 1061f453ba04SDave Airlie struct drm_crtc *crtc, *ct; 1062f453ba04SDave Airlie struct drm_encoder *encoder, *enct; 1063f453ba04SDave Airlie struct drm_framebuffer *fb, *fbt; 1064f453ba04SDave Airlie struct drm_property *property, *pt; 10658cf5c917SJesse Barnes struct drm_plane *plane, *plt; 1066f453ba04SDave Airlie 1067f453ba04SDave Airlie list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 1068f453ba04SDave Airlie head) { 1069f453ba04SDave Airlie encoder->funcs->destroy(encoder); 1070f453ba04SDave Airlie } 1071f453ba04SDave Airlie 1072f453ba04SDave Airlie list_for_each_entry_safe(connector, ot, 1073f453ba04SDave Airlie &dev->mode_config.connector_list, head) { 1074f453ba04SDave Airlie connector->funcs->destroy(connector); 1075f453ba04SDave Airlie } 1076f453ba04SDave Airlie 1077f453ba04SDave Airlie list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 1078f453ba04SDave Airlie head) { 1079f453ba04SDave Airlie drm_property_destroy(dev, property); 1080f453ba04SDave Airlie } 1081f453ba04SDave Airlie 1082f453ba04SDave Airlie list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 1083f7eff60eSRob Clark drm_framebuffer_remove(fb); 1084f453ba04SDave Airlie } 1085f453ba04SDave Airlie 10868cf5c917SJesse Barnes list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 10878cf5c917SJesse Barnes head) { 10888cf5c917SJesse Barnes plane->funcs->destroy(plane); 10898cf5c917SJesse Barnes } 109059ce062eSSascha Hauer 10913184009cSChris Wilson list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 10923184009cSChris Wilson crtc->funcs->destroy(crtc); 10933184009cSChris Wilson } 10943184009cSChris Wilson 109559ce062eSSascha Hauer idr_remove_all(&dev->mode_config.crtc_idr); 109659ce062eSSascha Hauer idr_destroy(&dev->mode_config.crtc_idr); 1097f453ba04SDave Airlie } 1098f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_cleanup); 1099f453ba04SDave Airlie 1100f453ba04SDave Airlie /** 1101f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1102f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1103f453ba04SDave Airlie * @in: drm_display_mode to use 1104f453ba04SDave Airlie * 1105f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1106f453ba04SDave Airlie * the user. 1107f453ba04SDave Airlie */ 110893bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 110993bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1110f453ba04SDave Airlie { 1111e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1112e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1113e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1114e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1115e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1116e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1117e36fae38SVille Syrjälä 1118f453ba04SDave Airlie out->clock = in->clock; 1119f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1120f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1121f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1122f453ba04SDave Airlie out->htotal = in->htotal; 1123f453ba04SDave Airlie out->hskew = in->hskew; 1124f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1125f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1126f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1127f453ba04SDave Airlie out->vtotal = in->vtotal; 1128f453ba04SDave Airlie out->vscan = in->vscan; 1129f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1130f453ba04SDave Airlie out->flags = in->flags; 1131f453ba04SDave Airlie out->type = in->type; 1132f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1133f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1134f453ba04SDave Airlie } 1135f453ba04SDave Airlie 1136f453ba04SDave Airlie /** 1137f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1138f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1139f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1140f453ba04SDave Airlie * 1141f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1142f453ba04SDave Airlie * the caller. 114390367bf6SVille Syrjälä * 114490367bf6SVille Syrjälä * RETURNS: 114590367bf6SVille Syrjälä * Zero on success, errno on failure. 1146f453ba04SDave Airlie */ 114793bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 114893bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1149f453ba04SDave Airlie { 115090367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 115190367bf6SVille Syrjälä return -ERANGE; 115290367bf6SVille Syrjälä 1153f453ba04SDave Airlie out->clock = in->clock; 1154f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1155f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1156f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1157f453ba04SDave Airlie out->htotal = in->htotal; 1158f453ba04SDave Airlie out->hskew = in->hskew; 1159f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1160f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1161f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1162f453ba04SDave Airlie out->vtotal = in->vtotal; 1163f453ba04SDave Airlie out->vscan = in->vscan; 1164f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1165f453ba04SDave Airlie out->flags = in->flags; 1166f453ba04SDave Airlie out->type = in->type; 1167f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1168f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 116990367bf6SVille Syrjälä 117090367bf6SVille Syrjälä return 0; 1171f453ba04SDave Airlie } 1172f453ba04SDave Airlie 1173f453ba04SDave Airlie /** 1174f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1175065a50edSDaniel Vetter * @dev: drm device for the ioctl 1176065a50edSDaniel Vetter * @data: data pointer for the ioctl 1177065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1178f453ba04SDave Airlie * 1179f453ba04SDave Airlie * Construct a set of configuration description structures and return 1180f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1181f453ba04SDave Airlie * 1182f453ba04SDave Airlie * Called by the user via ioctl. 1183f453ba04SDave Airlie * 1184f453ba04SDave Airlie * RETURNS: 1185f453ba04SDave Airlie * Zero on success, errno on failure. 1186f453ba04SDave Airlie */ 1187f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1188f453ba04SDave Airlie struct drm_file *file_priv) 1189f453ba04SDave Airlie { 1190f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1191f453ba04SDave Airlie struct list_head *lh; 1192f453ba04SDave Airlie struct drm_framebuffer *fb; 1193f453ba04SDave Airlie struct drm_connector *connector; 1194f453ba04SDave Airlie struct drm_crtc *crtc; 1195f453ba04SDave Airlie struct drm_encoder *encoder; 1196f453ba04SDave Airlie int ret = 0; 1197f453ba04SDave Airlie int connector_count = 0; 1198f453ba04SDave Airlie int crtc_count = 0; 1199f453ba04SDave Airlie int fb_count = 0; 1200f453ba04SDave Airlie int encoder_count = 0; 1201f453ba04SDave Airlie int copied = 0, i; 1202f453ba04SDave Airlie uint32_t __user *fb_id; 1203f453ba04SDave Airlie uint32_t __user *crtc_id; 1204f453ba04SDave Airlie uint32_t __user *connector_id; 1205f453ba04SDave Airlie uint32_t __user *encoder_id; 1206f453ba04SDave Airlie struct drm_mode_group *mode_group; 1207f453ba04SDave Airlie 1208fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1209fb3b06c8SDave Airlie return -EINVAL; 1210fb3b06c8SDave Airlie 121184849903SDaniel Vetter drm_modeset_lock_all(dev); 1212f453ba04SDave Airlie 1213f453ba04SDave Airlie /* 1214f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1215f453ba04SDave Airlie * by IDs in the group list for this node 1216f453ba04SDave Airlie */ 1217f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1218f453ba04SDave Airlie fb_count++; 1219f453ba04SDave Airlie 1220f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1221f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1222f453ba04SDave Airlie 1223f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1224f453ba04SDave Airlie crtc_count++; 1225f453ba04SDave Airlie 1226f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1227f453ba04SDave Airlie connector_count++; 1228f453ba04SDave Airlie 1229f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1230f453ba04SDave Airlie encoder_count++; 1231f453ba04SDave Airlie } else { 1232f453ba04SDave Airlie 1233f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1234f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1235f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1236f453ba04SDave Airlie } 1237f453ba04SDave Airlie 1238f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1239f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1240f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1241f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1242f453ba04SDave Airlie 1243f453ba04SDave Airlie /* handle this in 4 parts */ 1244f453ba04SDave Airlie /* FBs */ 1245f453ba04SDave Airlie if (card_res->count_fbs >= fb_count) { 1246f453ba04SDave Airlie copied = 0; 1247f453ba04SDave Airlie fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 1248618c75e4SSascha Hauer list_for_each_entry(fb, &file_priv->fbs, filp_head) { 1249f453ba04SDave Airlie if (put_user(fb->base.id, fb_id + copied)) { 1250f453ba04SDave Airlie ret = -EFAULT; 1251f453ba04SDave Airlie goto out; 1252f453ba04SDave Airlie } 1253f453ba04SDave Airlie copied++; 1254f453ba04SDave Airlie } 1255f453ba04SDave Airlie } 1256f453ba04SDave Airlie card_res->count_fbs = fb_count; 1257f453ba04SDave Airlie 1258f453ba04SDave Airlie /* CRTCs */ 1259f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1260f453ba04SDave Airlie copied = 0; 1261f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1262f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1263f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1264f453ba04SDave Airlie head) { 12659440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1266f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1267f453ba04SDave Airlie ret = -EFAULT; 1268f453ba04SDave Airlie goto out; 1269f453ba04SDave Airlie } 1270f453ba04SDave Airlie copied++; 1271f453ba04SDave Airlie } 1272f453ba04SDave Airlie } else { 1273f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1274f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1275f453ba04SDave Airlie crtc_id + copied)) { 1276f453ba04SDave Airlie ret = -EFAULT; 1277f453ba04SDave Airlie goto out; 1278f453ba04SDave Airlie } 1279f453ba04SDave Airlie copied++; 1280f453ba04SDave Airlie } 1281f453ba04SDave Airlie } 1282f453ba04SDave Airlie } 1283f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1284f453ba04SDave Airlie 1285f453ba04SDave Airlie /* Encoders */ 1286f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1287f453ba04SDave Airlie copied = 0; 1288f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1289f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1290f453ba04SDave Airlie list_for_each_entry(encoder, 1291f453ba04SDave Airlie &dev->mode_config.encoder_list, 1292f453ba04SDave Airlie head) { 12939440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 12949440106bSJerome Glisse drm_get_encoder_name(encoder)); 1295f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1296f453ba04SDave Airlie copied)) { 1297f453ba04SDave Airlie ret = -EFAULT; 1298f453ba04SDave Airlie goto out; 1299f453ba04SDave Airlie } 1300f453ba04SDave Airlie copied++; 1301f453ba04SDave Airlie } 1302f453ba04SDave Airlie } else { 1303f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1304f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1305f453ba04SDave Airlie encoder_id + copied)) { 1306f453ba04SDave Airlie ret = -EFAULT; 1307f453ba04SDave Airlie goto out; 1308f453ba04SDave Airlie } 1309f453ba04SDave Airlie copied++; 1310f453ba04SDave Airlie } 1311f453ba04SDave Airlie 1312f453ba04SDave Airlie } 1313f453ba04SDave Airlie } 1314f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1315f453ba04SDave Airlie 1316f453ba04SDave Airlie /* Connectors */ 1317f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1318f453ba04SDave Airlie copied = 0; 1319f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1320f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1321f453ba04SDave Airlie list_for_each_entry(connector, 1322f453ba04SDave Airlie &dev->mode_config.connector_list, 1323f453ba04SDave Airlie head) { 13249440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 13259440106bSJerome Glisse connector->base.id, 13269440106bSJerome Glisse drm_get_connector_name(connector)); 1327f453ba04SDave Airlie if (put_user(connector->base.id, 1328f453ba04SDave Airlie connector_id + copied)) { 1329f453ba04SDave Airlie ret = -EFAULT; 1330f453ba04SDave Airlie goto out; 1331f453ba04SDave Airlie } 1332f453ba04SDave Airlie copied++; 1333f453ba04SDave Airlie } 1334f453ba04SDave Airlie } else { 1335f453ba04SDave Airlie int start = mode_group->num_crtcs + 1336f453ba04SDave Airlie mode_group->num_encoders; 1337f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1338f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1339f453ba04SDave Airlie connector_id + copied)) { 1340f453ba04SDave Airlie ret = -EFAULT; 1341f453ba04SDave Airlie goto out; 1342f453ba04SDave Airlie } 1343f453ba04SDave Airlie copied++; 1344f453ba04SDave Airlie } 1345f453ba04SDave Airlie } 1346f453ba04SDave Airlie } 1347f453ba04SDave Airlie card_res->count_connectors = connector_count; 1348f453ba04SDave Airlie 13499440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1350f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1351f453ba04SDave Airlie 1352f453ba04SDave Airlie out: 135384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1354f453ba04SDave Airlie return ret; 1355f453ba04SDave Airlie } 1356f453ba04SDave Airlie 1357f453ba04SDave Airlie /** 1358f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1359065a50edSDaniel Vetter * @dev: drm device for the ioctl 1360065a50edSDaniel Vetter * @data: data pointer for the ioctl 1361065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1362f453ba04SDave Airlie * 1363f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1364f453ba04SDave Airlie * 1365f453ba04SDave Airlie * Called by the user via ioctl. 1366f453ba04SDave Airlie * 1367f453ba04SDave Airlie * RETURNS: 1368f453ba04SDave Airlie * Zero on success, errno on failure. 1369f453ba04SDave Airlie */ 1370f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1371f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1372f453ba04SDave Airlie { 1373f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1374f453ba04SDave Airlie struct drm_crtc *crtc; 1375f453ba04SDave Airlie struct drm_mode_object *obj; 1376f453ba04SDave Airlie int ret = 0; 1377f453ba04SDave Airlie 1378fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1379fb3b06c8SDave Airlie return -EINVAL; 1380fb3b06c8SDave Airlie 138184849903SDaniel Vetter drm_modeset_lock_all(dev); 1382f453ba04SDave Airlie 1383f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1384f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1385f453ba04SDave Airlie if (!obj) { 1386f453ba04SDave Airlie ret = -EINVAL; 1387f453ba04SDave Airlie goto out; 1388f453ba04SDave Airlie } 1389f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1390f453ba04SDave Airlie 1391f453ba04SDave Airlie crtc_resp->x = crtc->x; 1392f453ba04SDave Airlie crtc_resp->y = crtc->y; 1393f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1394f453ba04SDave Airlie if (crtc->fb) 1395f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1396f453ba04SDave Airlie else 1397f453ba04SDave Airlie crtc_resp->fb_id = 0; 1398f453ba04SDave Airlie 1399f453ba04SDave Airlie if (crtc->enabled) { 1400f453ba04SDave Airlie 1401f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1402f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1403f453ba04SDave Airlie 1404f453ba04SDave Airlie } else { 1405f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1406f453ba04SDave Airlie } 1407f453ba04SDave Airlie 1408f453ba04SDave Airlie out: 140984849903SDaniel Vetter drm_modeset_unlock_all(dev); 1410f453ba04SDave Airlie return ret; 1411f453ba04SDave Airlie } 1412f453ba04SDave Airlie 1413f453ba04SDave Airlie /** 1414f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1415065a50edSDaniel Vetter * @dev: drm device for the ioctl 1416065a50edSDaniel Vetter * @data: data pointer for the ioctl 1417065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1418f453ba04SDave Airlie * 1419f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1420f453ba04SDave Airlie * 1421f453ba04SDave Airlie * Called by the user via ioctl. 1422f453ba04SDave Airlie * 1423f453ba04SDave Airlie * RETURNS: 1424f453ba04SDave Airlie * Zero on success, errno on failure. 1425f453ba04SDave Airlie */ 1426f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1427f453ba04SDave Airlie struct drm_file *file_priv) 1428f453ba04SDave Airlie { 1429f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1430f453ba04SDave Airlie struct drm_mode_object *obj; 1431f453ba04SDave Airlie struct drm_connector *connector; 1432f453ba04SDave Airlie struct drm_display_mode *mode; 1433f453ba04SDave Airlie int mode_count = 0; 1434f453ba04SDave Airlie int props_count = 0; 1435f453ba04SDave Airlie int encoders_count = 0; 1436f453ba04SDave Airlie int ret = 0; 1437f453ba04SDave Airlie int copied = 0; 1438f453ba04SDave Airlie int i; 1439f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1440f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1441f453ba04SDave Airlie uint32_t __user *prop_ptr; 1442f453ba04SDave Airlie uint64_t __user *prop_values; 1443f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1444f453ba04SDave Airlie 1445fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1446fb3b06c8SDave Airlie return -EINVAL; 1447fb3b06c8SDave Airlie 1448f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1449f453ba04SDave Airlie 14509440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1451f453ba04SDave Airlie 145284849903SDaniel Vetter drm_modeset_lock_all(dev); 1453f453ba04SDave Airlie 1454f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1455f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1456f453ba04SDave Airlie if (!obj) { 1457f453ba04SDave Airlie ret = -EINVAL; 1458f453ba04SDave Airlie goto out; 1459f453ba04SDave Airlie } 1460f453ba04SDave Airlie connector = obj_to_connector(obj); 1461f453ba04SDave Airlie 14627f88a9beSPaulo Zanoni props_count = connector->properties.count; 1463f453ba04SDave Airlie 1464f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1465f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1466f453ba04SDave Airlie encoders_count++; 1467f453ba04SDave Airlie } 1468f453ba04SDave Airlie } 1469f453ba04SDave Airlie 1470f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1471f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1472f453ba04SDave Airlie dev->mode_config.max_width, 1473f453ba04SDave Airlie dev->mode_config.max_height); 1474f453ba04SDave Airlie } 1475f453ba04SDave Airlie 1476f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1477f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1478f453ba04SDave Airlie mode_count++; 1479f453ba04SDave Airlie 1480f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1481f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1482f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1483f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1484f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1485f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1486f453ba04SDave Airlie out_resp->connection = connector->status; 1487f453ba04SDave Airlie if (connector->encoder) 1488f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1489f453ba04SDave Airlie else 1490f453ba04SDave Airlie out_resp->encoder_id = 0; 1491f453ba04SDave Airlie 1492f453ba04SDave Airlie /* 1493f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1494f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1495f453ba04SDave Airlie */ 1496f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1497f453ba04SDave Airlie copied = 0; 149881f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 1499f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1500f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1501f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1502f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1503f453ba04SDave Airlie ret = -EFAULT; 1504f453ba04SDave Airlie goto out; 1505f453ba04SDave Airlie } 1506f453ba04SDave Airlie copied++; 1507f453ba04SDave Airlie } 1508f453ba04SDave Airlie } 1509f453ba04SDave Airlie out_resp->count_modes = mode_count; 1510f453ba04SDave Airlie 1511f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1512f453ba04SDave Airlie copied = 0; 151381f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 151481f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 15157f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 15167e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 1517f453ba04SDave Airlie prop_ptr + copied)) { 1518f453ba04SDave Airlie ret = -EFAULT; 1519f453ba04SDave Airlie goto out; 1520f453ba04SDave Airlie } 1521f453ba04SDave Airlie 15227e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 1523f453ba04SDave Airlie prop_values + copied)) { 1524f453ba04SDave Airlie ret = -EFAULT; 1525f453ba04SDave Airlie goto out; 1526f453ba04SDave Airlie } 1527f453ba04SDave Airlie copied++; 1528f453ba04SDave Airlie } 1529f453ba04SDave Airlie } 1530f453ba04SDave Airlie out_resp->count_props = props_count; 1531f453ba04SDave Airlie 1532f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1533f453ba04SDave Airlie copied = 0; 153481f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 1535f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1536f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1537f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1538f453ba04SDave Airlie encoder_ptr + copied)) { 1539f453ba04SDave Airlie ret = -EFAULT; 1540f453ba04SDave Airlie goto out; 1541f453ba04SDave Airlie } 1542f453ba04SDave Airlie copied++; 1543f453ba04SDave Airlie } 1544f453ba04SDave Airlie } 1545f453ba04SDave Airlie } 1546f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1547f453ba04SDave Airlie 1548f453ba04SDave Airlie out: 154984849903SDaniel Vetter drm_modeset_unlock_all(dev); 1550f453ba04SDave Airlie return ret; 1551f453ba04SDave Airlie } 1552f453ba04SDave Airlie 1553f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1554f453ba04SDave Airlie struct drm_file *file_priv) 1555f453ba04SDave Airlie { 1556f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1557f453ba04SDave Airlie struct drm_mode_object *obj; 1558f453ba04SDave Airlie struct drm_encoder *encoder; 1559f453ba04SDave Airlie int ret = 0; 1560f453ba04SDave Airlie 1561fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1562fb3b06c8SDave Airlie return -EINVAL; 1563fb3b06c8SDave Airlie 156484849903SDaniel Vetter drm_modeset_lock_all(dev); 1565f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1566f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1567f453ba04SDave Airlie if (!obj) { 1568f453ba04SDave Airlie ret = -EINVAL; 1569f453ba04SDave Airlie goto out; 1570f453ba04SDave Airlie } 1571f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1572f453ba04SDave Airlie 1573f453ba04SDave Airlie if (encoder->crtc) 1574f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1575f453ba04SDave Airlie else 1576f453ba04SDave Airlie enc_resp->crtc_id = 0; 1577f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1578f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1579f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1580f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1581f453ba04SDave Airlie 1582f453ba04SDave Airlie out: 158384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1584f453ba04SDave Airlie return ret; 1585f453ba04SDave Airlie } 1586f453ba04SDave Airlie 1587f453ba04SDave Airlie /** 15888cf5c917SJesse Barnes * drm_mode_getplane_res - get plane info 15898cf5c917SJesse Barnes * @dev: DRM device 15908cf5c917SJesse Barnes * @data: ioctl data 15918cf5c917SJesse Barnes * @file_priv: DRM file info 15928cf5c917SJesse Barnes * 15938cf5c917SJesse Barnes * Return an plane count and set of IDs. 15948cf5c917SJesse Barnes */ 15958cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 15968cf5c917SJesse Barnes struct drm_file *file_priv) 15978cf5c917SJesse Barnes { 15988cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 15998cf5c917SJesse Barnes struct drm_mode_config *config; 16008cf5c917SJesse Barnes struct drm_plane *plane; 16018cf5c917SJesse Barnes uint32_t __user *plane_ptr; 16028cf5c917SJesse Barnes int copied = 0, ret = 0; 16038cf5c917SJesse Barnes 16048cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 16058cf5c917SJesse Barnes return -EINVAL; 16068cf5c917SJesse Barnes 160784849903SDaniel Vetter drm_modeset_lock_all(dev); 16088cf5c917SJesse Barnes config = &dev->mode_config; 16098cf5c917SJesse Barnes 16108cf5c917SJesse Barnes /* 16118cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 16128cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 16138cf5c917SJesse Barnes */ 16148cf5c917SJesse Barnes if (config->num_plane && 16158cf5c917SJesse Barnes (plane_resp->count_planes >= config->num_plane)) { 161681f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 16178cf5c917SJesse Barnes 16188cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 16198cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 16208cf5c917SJesse Barnes ret = -EFAULT; 16218cf5c917SJesse Barnes goto out; 16228cf5c917SJesse Barnes } 16238cf5c917SJesse Barnes copied++; 16248cf5c917SJesse Barnes } 16258cf5c917SJesse Barnes } 16268cf5c917SJesse Barnes plane_resp->count_planes = config->num_plane; 16278cf5c917SJesse Barnes 16288cf5c917SJesse Barnes out: 162984849903SDaniel Vetter drm_modeset_unlock_all(dev); 16308cf5c917SJesse Barnes return ret; 16318cf5c917SJesse Barnes } 16328cf5c917SJesse Barnes 16338cf5c917SJesse Barnes /** 16348cf5c917SJesse Barnes * drm_mode_getplane - get plane info 16358cf5c917SJesse Barnes * @dev: DRM device 16368cf5c917SJesse Barnes * @data: ioctl data 16378cf5c917SJesse Barnes * @file_priv: DRM file info 16388cf5c917SJesse Barnes * 16398cf5c917SJesse Barnes * Return plane info, including formats supported, gamma size, any 16408cf5c917SJesse Barnes * current fb, etc. 16418cf5c917SJesse Barnes */ 16428cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 16438cf5c917SJesse Barnes struct drm_file *file_priv) 16448cf5c917SJesse Barnes { 16458cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 16468cf5c917SJesse Barnes struct drm_mode_object *obj; 16478cf5c917SJesse Barnes struct drm_plane *plane; 16488cf5c917SJesse Barnes uint32_t __user *format_ptr; 16498cf5c917SJesse Barnes int ret = 0; 16508cf5c917SJesse Barnes 16518cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 16528cf5c917SJesse Barnes return -EINVAL; 16538cf5c917SJesse Barnes 165484849903SDaniel Vetter drm_modeset_lock_all(dev); 16558cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_resp->plane_id, 16568cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 16578cf5c917SJesse Barnes if (!obj) { 16588cf5c917SJesse Barnes ret = -ENOENT; 16598cf5c917SJesse Barnes goto out; 16608cf5c917SJesse Barnes } 16618cf5c917SJesse Barnes plane = obj_to_plane(obj); 16628cf5c917SJesse Barnes 16638cf5c917SJesse Barnes if (plane->crtc) 16648cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 16658cf5c917SJesse Barnes else 16668cf5c917SJesse Barnes plane_resp->crtc_id = 0; 16678cf5c917SJesse Barnes 16688cf5c917SJesse Barnes if (plane->fb) 16698cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 16708cf5c917SJesse Barnes else 16718cf5c917SJesse Barnes plane_resp->fb_id = 0; 16728cf5c917SJesse Barnes 16738cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 16748cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 16758cf5c917SJesse Barnes plane_resp->gamma_size = plane->gamma_size; 16768cf5c917SJesse Barnes 16778cf5c917SJesse Barnes /* 16788cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 16798cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 16808cf5c917SJesse Barnes */ 16818cf5c917SJesse Barnes if (plane->format_count && 16828cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 168381f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 16848cf5c917SJesse Barnes if (copy_to_user(format_ptr, 16858cf5c917SJesse Barnes plane->format_types, 16868cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 16878cf5c917SJesse Barnes ret = -EFAULT; 16888cf5c917SJesse Barnes goto out; 16898cf5c917SJesse Barnes } 16908cf5c917SJesse Barnes } 16918cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 16928cf5c917SJesse Barnes 16938cf5c917SJesse Barnes out: 169484849903SDaniel Vetter drm_modeset_unlock_all(dev); 16958cf5c917SJesse Barnes return ret; 16968cf5c917SJesse Barnes } 16978cf5c917SJesse Barnes 16988cf5c917SJesse Barnes /** 16998cf5c917SJesse Barnes * drm_mode_setplane - set up or tear down an plane 17008cf5c917SJesse Barnes * @dev: DRM device 17018cf5c917SJesse Barnes * @data: ioctl data* 1702065a50edSDaniel Vetter * @file_priv: DRM file info 17038cf5c917SJesse Barnes * 17048cf5c917SJesse Barnes * Set plane info, including placement, fb, scaling, and other factors. 17058cf5c917SJesse Barnes * Or pass a NULL fb to disable. 17068cf5c917SJesse Barnes */ 17078cf5c917SJesse Barnes int drm_mode_setplane(struct drm_device *dev, void *data, 17088cf5c917SJesse Barnes struct drm_file *file_priv) 17098cf5c917SJesse Barnes { 17108cf5c917SJesse Barnes struct drm_mode_set_plane *plane_req = data; 17118cf5c917SJesse Barnes struct drm_mode_object *obj; 17128cf5c917SJesse Barnes struct drm_plane *plane; 17138cf5c917SJesse Barnes struct drm_crtc *crtc; 17148cf5c917SJesse Barnes struct drm_framebuffer *fb; 17158cf5c917SJesse Barnes int ret = 0; 171642ef8789SVille Syrjälä unsigned int fb_width, fb_height; 171762443be6SVille Syrjälä int i; 17188cf5c917SJesse Barnes 17198cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 17208cf5c917SJesse Barnes return -EINVAL; 17218cf5c917SJesse Barnes 172284849903SDaniel Vetter drm_modeset_lock_all(dev); 17238cf5c917SJesse Barnes 17248cf5c917SJesse Barnes /* 17258cf5c917SJesse Barnes * First, find the plane, crtc, and fb objects. If not available, 17268cf5c917SJesse Barnes * we don't bother to call the driver. 17278cf5c917SJesse Barnes */ 17288cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->plane_id, 17298cf5c917SJesse Barnes DRM_MODE_OBJECT_PLANE); 17308cf5c917SJesse Barnes if (!obj) { 17318cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown plane ID %d\n", 17328cf5c917SJesse Barnes plane_req->plane_id); 17338cf5c917SJesse Barnes ret = -ENOENT; 17348cf5c917SJesse Barnes goto out; 17358cf5c917SJesse Barnes } 17368cf5c917SJesse Barnes plane = obj_to_plane(obj); 17378cf5c917SJesse Barnes 17388cf5c917SJesse Barnes /* No fb means shut it down */ 17398cf5c917SJesse Barnes if (!plane_req->fb_id) { 17408cf5c917SJesse Barnes plane->funcs->disable_plane(plane); 1741e5e3b44cSVille Syrjälä plane->crtc = NULL; 1742e5e3b44cSVille Syrjälä plane->fb = NULL; 17438cf5c917SJesse Barnes goto out; 17448cf5c917SJesse Barnes } 17458cf5c917SJesse Barnes 17468cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->crtc_id, 17478cf5c917SJesse Barnes DRM_MODE_OBJECT_CRTC); 17488cf5c917SJesse Barnes if (!obj) { 17498cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown crtc ID %d\n", 17508cf5c917SJesse Barnes plane_req->crtc_id); 17518cf5c917SJesse Barnes ret = -ENOENT; 17528cf5c917SJesse Barnes goto out; 17538cf5c917SJesse Barnes } 17548cf5c917SJesse Barnes crtc = obj_to_crtc(obj); 17558cf5c917SJesse Barnes 17568cf5c917SJesse Barnes obj = drm_mode_object_find(dev, plane_req->fb_id, 17578cf5c917SJesse Barnes DRM_MODE_OBJECT_FB); 17588cf5c917SJesse Barnes if (!obj) { 17598cf5c917SJesse Barnes DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 17608cf5c917SJesse Barnes plane_req->fb_id); 17618cf5c917SJesse Barnes ret = -ENOENT; 17628cf5c917SJesse Barnes goto out; 17638cf5c917SJesse Barnes } 17648cf5c917SJesse Barnes fb = obj_to_fb(obj); 17658cf5c917SJesse Barnes 176662443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 176762443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 176862443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 176962443be6SVille Syrjälä break; 177062443be6SVille Syrjälä if (i == plane->format_count) { 177162443be6SVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); 177262443be6SVille Syrjälä ret = -EINVAL; 177362443be6SVille Syrjälä goto out; 177462443be6SVille Syrjälä } 177562443be6SVille Syrjälä 177642ef8789SVille Syrjälä fb_width = fb->width << 16; 177742ef8789SVille Syrjälä fb_height = fb->height << 16; 177842ef8789SVille Syrjälä 177942ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 178042ef8789SVille Syrjälä if (plane_req->src_w > fb_width || 178142ef8789SVille Syrjälä plane_req->src_x > fb_width - plane_req->src_w || 178242ef8789SVille Syrjälä plane_req->src_h > fb_height || 178342ef8789SVille Syrjälä plane_req->src_y > fb_height - plane_req->src_h) { 178442ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 178542ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 178642ef8789SVille Syrjälä plane_req->src_w >> 16, 178742ef8789SVille Syrjälä ((plane_req->src_w & 0xffff) * 15625) >> 10, 178842ef8789SVille Syrjälä plane_req->src_h >> 16, 178942ef8789SVille Syrjälä ((plane_req->src_h & 0xffff) * 15625) >> 10, 179042ef8789SVille Syrjälä plane_req->src_x >> 16, 179142ef8789SVille Syrjälä ((plane_req->src_x & 0xffff) * 15625) >> 10, 179242ef8789SVille Syrjälä plane_req->src_y >> 16, 179342ef8789SVille Syrjälä ((plane_req->src_y & 0xffff) * 15625) >> 10); 179442ef8789SVille Syrjälä ret = -ENOSPC; 179542ef8789SVille Syrjälä goto out; 179642ef8789SVille Syrjälä } 179742ef8789SVille Syrjälä 1798687a0400SVille Syrjälä /* Give drivers some help against integer overflows */ 1799687a0400SVille Syrjälä if (plane_req->crtc_w > INT_MAX || 1800687a0400SVille Syrjälä plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 1801687a0400SVille Syrjälä plane_req->crtc_h > INT_MAX || 1802687a0400SVille Syrjälä plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 1803687a0400SVille Syrjälä DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 1804687a0400SVille Syrjälä plane_req->crtc_w, plane_req->crtc_h, 1805687a0400SVille Syrjälä plane_req->crtc_x, plane_req->crtc_y); 1806687a0400SVille Syrjälä ret = -ERANGE; 1807687a0400SVille Syrjälä goto out; 1808687a0400SVille Syrjälä } 1809687a0400SVille Syrjälä 18108cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 18118cf5c917SJesse Barnes plane_req->crtc_x, plane_req->crtc_y, 18128cf5c917SJesse Barnes plane_req->crtc_w, plane_req->crtc_h, 18138cf5c917SJesse Barnes plane_req->src_x, plane_req->src_y, 18148cf5c917SJesse Barnes plane_req->src_w, plane_req->src_h); 18158cf5c917SJesse Barnes if (!ret) { 18168cf5c917SJesse Barnes plane->crtc = crtc; 18178cf5c917SJesse Barnes plane->fb = fb; 18188cf5c917SJesse Barnes } 18198cf5c917SJesse Barnes 18208cf5c917SJesse Barnes out: 182184849903SDaniel Vetter drm_modeset_unlock_all(dev); 18228cf5c917SJesse Barnes 18238cf5c917SJesse Barnes return ret; 18248cf5c917SJesse Barnes } 18258cf5c917SJesse Barnes 18268cf5c917SJesse Barnes /** 18272d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 18282d13b679SDaniel Vetter * @set: modeset config to set 18292d13b679SDaniel Vetter * 18302d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 18312d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 18322d13b679SDaniel Vetter */ 18332d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 18342d13b679SDaniel Vetter { 18352d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 18362d13b679SDaniel Vetter 18372d13b679SDaniel Vetter return crtc->funcs->set_config(set); 18382d13b679SDaniel Vetter } 18392d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 18402d13b679SDaniel Vetter 18412d13b679SDaniel Vetter /** 1842f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1843065a50edSDaniel Vetter * @dev: drm device for the ioctl 1844065a50edSDaniel Vetter * @data: data pointer for the ioctl 1845065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1846f453ba04SDave Airlie * 1847f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1848f453ba04SDave Airlie * 1849f453ba04SDave Airlie * Called by the user via ioctl. 1850f453ba04SDave Airlie * 1851f453ba04SDave Airlie * RETURNS: 1852f453ba04SDave Airlie * Zero on success, errno on failure. 1853f453ba04SDave Airlie */ 1854f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1855f453ba04SDave Airlie struct drm_file *file_priv) 1856f453ba04SDave Airlie { 1857f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1858f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1859f453ba04SDave Airlie struct drm_mode_object *obj; 18606653cc8dSVille Syrjälä struct drm_crtc *crtc; 1861f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1862f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1863f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1864f453ba04SDave Airlie struct drm_mode_set set; 1865f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 18664a1b0714SLaurent Pinchart int ret; 1867f453ba04SDave Airlie int i; 1868f453ba04SDave Airlie 1869fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1870fb3b06c8SDave Airlie return -EINVAL; 1871fb3b06c8SDave Airlie 18721d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 18731d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 18741d97e915SVille Syrjälä return -ERANGE; 18751d97e915SVille Syrjälä 187684849903SDaniel Vetter drm_modeset_lock_all(dev); 1877f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1878f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1879f453ba04SDave Airlie if (!obj) { 188058367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1881f453ba04SDave Airlie ret = -EINVAL; 1882f453ba04SDave Airlie goto out; 1883f453ba04SDave Airlie } 1884f453ba04SDave Airlie crtc = obj_to_crtc(obj); 18859440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1886f453ba04SDave Airlie 1887f453ba04SDave Airlie if (crtc_req->mode_valid) { 18887c80e128SRob Clark int hdisplay, vdisplay; 1889f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 1890f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 1891f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 18926653cc8dSVille Syrjälä if (!crtc->fb) { 18936653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 18946653cc8dSVille Syrjälä ret = -EINVAL; 18956653cc8dSVille Syrjälä goto out; 18966653cc8dSVille Syrjälä } 1897f453ba04SDave Airlie fb = crtc->fb; 1898f453ba04SDave Airlie } else { 1899f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->fb_id, 1900f453ba04SDave Airlie DRM_MODE_OBJECT_FB); 1901f453ba04SDave Airlie if (!obj) { 190258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 190358367ed6SZhao Yakui crtc_req->fb_id); 1904f453ba04SDave Airlie ret = -EINVAL; 1905f453ba04SDave Airlie goto out; 1906f453ba04SDave Airlie } 1907f453ba04SDave Airlie fb = obj_to_fb(obj); 1908f453ba04SDave Airlie } 1909f453ba04SDave Airlie 1910f453ba04SDave Airlie mode = drm_mode_create(dev); 1911ee34ab5bSVille Syrjälä if (!mode) { 1912ee34ab5bSVille Syrjälä ret = -ENOMEM; 1913ee34ab5bSVille Syrjälä goto out; 1914ee34ab5bSVille Syrjälä } 1915ee34ab5bSVille Syrjälä 191690367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 191790367bf6SVille Syrjälä if (ret) { 191890367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 191990367bf6SVille Syrjälä goto out; 192090367bf6SVille Syrjälä } 192190367bf6SVille Syrjälä 1922f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 19235f61bb42SVille Syrjälä 19247c80e128SRob Clark hdisplay = mode->hdisplay; 19257c80e128SRob Clark vdisplay = mode->vdisplay; 19267c80e128SRob Clark 19277c80e128SRob Clark if (crtc->invert_dimensions) 19287c80e128SRob Clark swap(hdisplay, vdisplay); 19297c80e128SRob Clark 19307c80e128SRob Clark if (hdisplay > fb->width || 19317c80e128SRob Clark vdisplay > fb->height || 19327c80e128SRob Clark crtc_req->x > fb->width - hdisplay || 19337c80e128SRob Clark crtc_req->y > fb->height - vdisplay) { 19347c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 19357c80e128SRob Clark fb->width, fb->height, 19367c80e128SRob Clark hdisplay, vdisplay, crtc_req->x, crtc_req->y, 19377c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 19385f61bb42SVille Syrjälä ret = -ENOSPC; 19395f61bb42SVille Syrjälä goto out; 19405f61bb42SVille Syrjälä } 1941f453ba04SDave Airlie } 1942f453ba04SDave Airlie 1943f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 194458367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 1945f453ba04SDave Airlie ret = -EINVAL; 1946f453ba04SDave Airlie goto out; 1947f453ba04SDave Airlie } 1948f453ba04SDave Airlie 19497781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 195058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 1951f453ba04SDave Airlie crtc_req->count_connectors); 1952f453ba04SDave Airlie ret = -EINVAL; 1953f453ba04SDave Airlie goto out; 1954f453ba04SDave Airlie } 1955f453ba04SDave Airlie 1956f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 1957f453ba04SDave Airlie u32 out_id; 1958f453ba04SDave Airlie 1959f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 1960f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 1961f453ba04SDave Airlie ret = -EINVAL; 1962f453ba04SDave Airlie goto out; 1963f453ba04SDave Airlie } 1964f453ba04SDave Airlie 1965f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 1966f453ba04SDave Airlie sizeof(struct drm_connector *), 1967f453ba04SDave Airlie GFP_KERNEL); 1968f453ba04SDave Airlie if (!connector_set) { 1969f453ba04SDave Airlie ret = -ENOMEM; 1970f453ba04SDave Airlie goto out; 1971f453ba04SDave Airlie } 1972f453ba04SDave Airlie 1973f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 197481f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 1975f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 1976f453ba04SDave Airlie ret = -EFAULT; 1977f453ba04SDave Airlie goto out; 1978f453ba04SDave Airlie } 1979f453ba04SDave Airlie 1980f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 1981f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1982f453ba04SDave Airlie if (!obj) { 198358367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 198458367ed6SZhao Yakui out_id); 1985f453ba04SDave Airlie ret = -EINVAL; 1986f453ba04SDave Airlie goto out; 1987f453ba04SDave Airlie } 1988f453ba04SDave Airlie connector = obj_to_connector(obj); 19899440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 19909440106bSJerome Glisse connector->base.id, 19919440106bSJerome Glisse drm_get_connector_name(connector)); 1992f453ba04SDave Airlie 1993f453ba04SDave Airlie connector_set[i] = connector; 1994f453ba04SDave Airlie } 1995f453ba04SDave Airlie } 1996f453ba04SDave Airlie 1997f453ba04SDave Airlie set.crtc = crtc; 1998f453ba04SDave Airlie set.x = crtc_req->x; 1999f453ba04SDave Airlie set.y = crtc_req->y; 2000f453ba04SDave Airlie set.mode = mode; 2001f453ba04SDave Airlie set.connectors = connector_set; 2002f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2003f453ba04SDave Airlie set.fb = fb; 20042d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2005f453ba04SDave Airlie 2006f453ba04SDave Airlie out: 2007f453ba04SDave Airlie kfree(connector_set); 2008ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 200984849903SDaniel Vetter drm_modeset_unlock_all(dev); 2010f453ba04SDave Airlie return ret; 2011f453ba04SDave Airlie } 2012f453ba04SDave Airlie 2013f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 2014f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2015f453ba04SDave Airlie { 2016f453ba04SDave Airlie struct drm_mode_cursor *req = data; 2017f453ba04SDave Airlie struct drm_mode_object *obj; 2018f453ba04SDave Airlie struct drm_crtc *crtc; 2019f453ba04SDave Airlie int ret = 0; 2020f453ba04SDave Airlie 2021fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2022fb3b06c8SDave Airlie return -EINVAL; 2023fb3b06c8SDave Airlie 20247c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2025f453ba04SDave Airlie return -EINVAL; 2026f453ba04SDave Airlie 202784849903SDaniel Vetter drm_modeset_lock_all(dev); 2028e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 2029f453ba04SDave Airlie if (!obj) { 203058367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2031f453ba04SDave Airlie ret = -EINVAL; 2032f453ba04SDave Airlie goto out; 2033f453ba04SDave Airlie } 2034f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2035f453ba04SDave Airlie 2036f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 2037f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 2038f453ba04SDave Airlie ret = -ENXIO; 2039f453ba04SDave Airlie goto out; 2040f453ba04SDave Airlie } 2041f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 2042f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2043f453ba04SDave Airlie req->width, req->height); 2044f453ba04SDave Airlie } 2045f453ba04SDave Airlie 2046f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2047f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2048f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2049f453ba04SDave Airlie } else { 2050f453ba04SDave Airlie ret = -EFAULT; 2051f453ba04SDave Airlie goto out; 2052f453ba04SDave Airlie } 2053f453ba04SDave Airlie } 2054f453ba04SDave Airlie out: 205584849903SDaniel Vetter drm_modeset_unlock_all(dev); 2056f453ba04SDave Airlie return ret; 2057f453ba04SDave Airlie } 2058f453ba04SDave Airlie 2059308e5bcbSJesse Barnes /* Original addfb only supported RGB formats, so figure out which one */ 2060308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2061308e5bcbSJesse Barnes { 2062308e5bcbSJesse Barnes uint32_t fmt; 2063308e5bcbSJesse Barnes 2064308e5bcbSJesse Barnes switch (bpp) { 2065308e5bcbSJesse Barnes case 8: 206604b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB332; 2067308e5bcbSJesse Barnes break; 2068308e5bcbSJesse Barnes case 16: 2069308e5bcbSJesse Barnes if (depth == 15) 207004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2071308e5bcbSJesse Barnes else 207204b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2073308e5bcbSJesse Barnes break; 2074308e5bcbSJesse Barnes case 24: 207504b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2076308e5bcbSJesse Barnes break; 2077308e5bcbSJesse Barnes case 32: 2078308e5bcbSJesse Barnes if (depth == 24) 207904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2080308e5bcbSJesse Barnes else if (depth == 30) 208104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2082308e5bcbSJesse Barnes else 208304b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2084308e5bcbSJesse Barnes break; 2085308e5bcbSJesse Barnes default: 208604b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 208704b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2088308e5bcbSJesse Barnes break; 2089308e5bcbSJesse Barnes } 2090308e5bcbSJesse Barnes 2091308e5bcbSJesse Barnes return fmt; 2092308e5bcbSJesse Barnes } 2093308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2094308e5bcbSJesse Barnes 2095f453ba04SDave Airlie /** 2096f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2097065a50edSDaniel Vetter * @dev: drm device for the ioctl 2098065a50edSDaniel Vetter * @data: data pointer for the ioctl 2099065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2100f453ba04SDave Airlie * 2101f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 2102f453ba04SDave Airlie * 2103f453ba04SDave Airlie * Called by the user via ioctl. 2104f453ba04SDave Airlie * 2105f453ba04SDave Airlie * RETURNS: 2106f453ba04SDave Airlie * Zero on success, errno on failure. 2107f453ba04SDave Airlie */ 2108f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2109f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2110f453ba04SDave Airlie { 2111308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2112308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2113308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2114308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2115308e5bcbSJesse Barnes int ret = 0; 2116308e5bcbSJesse Barnes 2117308e5bcbSJesse Barnes /* Use new struct with format internally */ 2118308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2119308e5bcbSJesse Barnes r.width = or->width; 2120308e5bcbSJesse Barnes r.height = or->height; 2121308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2122308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2123308e5bcbSJesse Barnes r.handles[0] = or->handle; 2124308e5bcbSJesse Barnes 2125308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2126308e5bcbSJesse Barnes return -EINVAL; 2127308e5bcbSJesse Barnes 2128acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2129308e5bcbSJesse Barnes return -EINVAL; 2130acb4b992SJesse Barnes 2131acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2132308e5bcbSJesse Barnes return -EINVAL; 2133308e5bcbSJesse Barnes 213484849903SDaniel Vetter drm_modeset_lock_all(dev); 2135308e5bcbSJesse Barnes 2136308e5bcbSJesse Barnes /* TODO check buffer is sufficiently large */ 2137308e5bcbSJesse Barnes /* TODO setup destructor callback */ 2138308e5bcbSJesse Barnes 2139308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2140308e5bcbSJesse Barnes if (IS_ERR(fb)) { 21411aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 2142308e5bcbSJesse Barnes ret = PTR_ERR(fb); 2143308e5bcbSJesse Barnes goto out; 2144308e5bcbSJesse Barnes } 2145308e5bcbSJesse Barnes 2146308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2147308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2148308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 2149308e5bcbSJesse Barnes 2150308e5bcbSJesse Barnes out: 215184849903SDaniel Vetter drm_modeset_unlock_all(dev); 2152308e5bcbSJesse Barnes return ret; 2153308e5bcbSJesse Barnes } 2154308e5bcbSJesse Barnes 2155cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2156935b5977SVille Syrjälä { 2157935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2158935b5977SVille Syrjälä 2159935b5977SVille Syrjälä switch (format) { 2160935b5977SVille Syrjälä case DRM_FORMAT_C8: 2161935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2162935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2163935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2164935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2165935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2166935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2167935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2168935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2169935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2170935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2171935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2172935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2173935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 2174935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 2175935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 2176935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 2177935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 2178935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 2179935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 2180935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 2181935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 2182935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 2183935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 2184935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 2185935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 2186935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 2187935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 2188935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 2189935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 2190935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 2191935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 2192935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 2193935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 2194935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 2195935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 2196935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 2197935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 2198935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 2199935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 2200935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 2201935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 2202935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 2203935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 2204935b5977SVille Syrjälä case DRM_FORMAT_NV12: 2205935b5977SVille Syrjälä case DRM_FORMAT_NV21: 2206935b5977SVille Syrjälä case DRM_FORMAT_NV16: 2207935b5977SVille Syrjälä case DRM_FORMAT_NV61: 2208ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 2209ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 2210935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 2211935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 2212935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 2213935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 2214935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 2215935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 2216935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 2217935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 2218935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 2219935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 2220935b5977SVille Syrjälä return 0; 2221935b5977SVille Syrjälä default: 2222935b5977SVille Syrjälä return -EINVAL; 2223935b5977SVille Syrjälä } 2224935b5977SVille Syrjälä } 2225935b5977SVille Syrjälä 2226cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 2227d1b45d5fSVille Syrjälä { 2228d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 2229d1b45d5fSVille Syrjälä 2230d1b45d5fSVille Syrjälä ret = format_check(r); 2231d1b45d5fSVille Syrjälä if (ret) { 22321aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); 2233d1b45d5fSVille Syrjälä return ret; 2234d1b45d5fSVille Syrjälä } 2235d1b45d5fSVille Syrjälä 2236d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 2237d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 2238d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 2239d1b45d5fSVille Syrjälä 2240d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 22411aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 2242d1b45d5fSVille Syrjälä return -EINVAL; 2243d1b45d5fSVille Syrjälä } 2244d1b45d5fSVille Syrjälä 2245d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 22461aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 2247d1b45d5fSVille Syrjälä return -EINVAL; 2248d1b45d5fSVille Syrjälä } 2249d1b45d5fSVille Syrjälä 2250d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 2251d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 2252b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 2253b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 2254d1b45d5fSVille Syrjälä 2255d1b45d5fSVille Syrjälä if (!r->handles[i]) { 22561aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 2257d1b45d5fSVille Syrjälä return -EINVAL; 2258d1b45d5fSVille Syrjälä } 2259d1b45d5fSVille Syrjälä 2260b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 2261b180b5d1SVille Syrjälä return -ERANGE; 2262b180b5d1SVille Syrjälä 2263b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 2264b180b5d1SVille Syrjälä return -ERANGE; 2265b180b5d1SVille Syrjälä 2266b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 22671aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 2268d1b45d5fSVille Syrjälä return -EINVAL; 2269d1b45d5fSVille Syrjälä } 2270d1b45d5fSVille Syrjälä } 2271d1b45d5fSVille Syrjälä 2272d1b45d5fSVille Syrjälä return 0; 2273d1b45d5fSVille Syrjälä } 2274d1b45d5fSVille Syrjälä 2275308e5bcbSJesse Barnes /** 2276308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 2277065a50edSDaniel Vetter * @dev: drm device for the ioctl 2278065a50edSDaniel Vetter * @data: data pointer for the ioctl 2279065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2280308e5bcbSJesse Barnes * 2281308e5bcbSJesse Barnes * Add a new FB to the specified CRTC, given a user request with format. 2282308e5bcbSJesse Barnes * 2283308e5bcbSJesse Barnes * Called by the user via ioctl. 2284308e5bcbSJesse Barnes * 2285308e5bcbSJesse Barnes * RETURNS: 2286308e5bcbSJesse Barnes * Zero on success, errno on failure. 2287308e5bcbSJesse Barnes */ 2288308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 2289308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 2290308e5bcbSJesse Barnes { 2291308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 *r = data; 2292f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2293f453ba04SDave Airlie struct drm_framebuffer *fb; 22944a1b0714SLaurent Pinchart int ret; 2295f453ba04SDave Airlie 2296fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2297fb3b06c8SDave Airlie return -EINVAL; 2298fb3b06c8SDave Airlie 2299e3cc3520SVille Syrjälä if (r->flags & ~DRM_MODE_FB_INTERLACED) { 2300e3cc3520SVille Syrjälä DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 2301e3cc3520SVille Syrjälä return -EINVAL; 2302e3cc3520SVille Syrjälä } 2303e3cc3520SVille Syrjälä 2304f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 23051aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 23068cf5c917SJesse Barnes r->width, config->min_width, config->max_width); 2307f453ba04SDave Airlie return -EINVAL; 2308f453ba04SDave Airlie } 2309f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 23101aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 23118cf5c917SJesse Barnes r->height, config->min_height, config->max_height); 2312f453ba04SDave Airlie return -EINVAL; 2313f453ba04SDave Airlie } 2314f453ba04SDave Airlie 2315d1b45d5fSVille Syrjälä ret = framebuffer_check(r); 2316d1b45d5fSVille Syrjälä if (ret) 2317935b5977SVille Syrjälä return ret; 2318935b5977SVille Syrjälä 231984849903SDaniel Vetter drm_modeset_lock_all(dev); 2320f453ba04SDave Airlie 2321f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 2322cce13ff7SChris Wilson if (IS_ERR(fb)) { 23231aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 2324cce13ff7SChris Wilson ret = PTR_ERR(fb); 2325f453ba04SDave Airlie goto out; 2326f453ba04SDave Airlie } 2327f453ba04SDave Airlie 2328e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 2329f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 23309440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 2331f453ba04SDave Airlie 2332f453ba04SDave Airlie out: 233384849903SDaniel Vetter drm_modeset_unlock_all(dev); 2334f453ba04SDave Airlie return ret; 2335f453ba04SDave Airlie } 2336f453ba04SDave Airlie 2337f453ba04SDave Airlie /** 2338f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 2339065a50edSDaniel Vetter * @dev: drm device for the ioctl 2340065a50edSDaniel Vetter * @data: data pointer for the ioctl 2341065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2342f453ba04SDave Airlie * 2343f453ba04SDave Airlie * Remove the FB specified by the user. 2344f453ba04SDave Airlie * 2345f453ba04SDave Airlie * Called by the user via ioctl. 2346f453ba04SDave Airlie * 2347f453ba04SDave Airlie * RETURNS: 2348f453ba04SDave Airlie * Zero on success, errno on failure. 2349f453ba04SDave Airlie */ 2350f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 2351f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2352f453ba04SDave Airlie { 2353f453ba04SDave Airlie struct drm_mode_object *obj; 2354f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2355f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 2356f453ba04SDave Airlie uint32_t *id = data; 2357f453ba04SDave Airlie int ret = 0; 2358f453ba04SDave Airlie int found = 0; 2359f453ba04SDave Airlie 2360fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2361fb3b06c8SDave Airlie return -EINVAL; 2362fb3b06c8SDave Airlie 236384849903SDaniel Vetter drm_modeset_lock_all(dev); 2364f453ba04SDave Airlie obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); 236525985edcSLucas De Marchi /* TODO check that we really get a framebuffer back. */ 2366f453ba04SDave Airlie if (!obj) { 2367f453ba04SDave Airlie ret = -EINVAL; 2368f453ba04SDave Airlie goto out; 2369f453ba04SDave Airlie } 2370f453ba04SDave Airlie fb = obj_to_fb(obj); 2371f453ba04SDave Airlie 2372f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2373f453ba04SDave Airlie if (fb == fbl) 2374f453ba04SDave Airlie found = 1; 2375f453ba04SDave Airlie 2376f453ba04SDave Airlie if (!found) { 2377f453ba04SDave Airlie ret = -EINVAL; 2378f453ba04SDave Airlie goto out; 2379f453ba04SDave Airlie } 2380f453ba04SDave Airlie 2381f7eff60eSRob Clark drm_framebuffer_remove(fb); 2382f453ba04SDave Airlie 2383f453ba04SDave Airlie out: 238484849903SDaniel Vetter drm_modeset_unlock_all(dev); 2385f453ba04SDave Airlie return ret; 2386f453ba04SDave Airlie } 2387f453ba04SDave Airlie 2388f453ba04SDave Airlie /** 2389f453ba04SDave Airlie * drm_mode_getfb - get FB info 2390065a50edSDaniel Vetter * @dev: drm device for the ioctl 2391065a50edSDaniel Vetter * @data: data pointer for the ioctl 2392065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2393f453ba04SDave Airlie * 2394f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 2395f453ba04SDave Airlie * 2396f453ba04SDave Airlie * Called by the user via ioctl. 2397f453ba04SDave Airlie * 2398f453ba04SDave Airlie * RETURNS: 2399f453ba04SDave Airlie * Zero on success, errno on failure. 2400f453ba04SDave Airlie */ 2401f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 2402f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2403f453ba04SDave Airlie { 2404f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 2405f453ba04SDave Airlie struct drm_mode_object *obj; 2406f453ba04SDave Airlie struct drm_framebuffer *fb; 2407f453ba04SDave Airlie int ret = 0; 2408f453ba04SDave Airlie 2409fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2410fb3b06c8SDave Airlie return -EINVAL; 2411fb3b06c8SDave Airlie 241284849903SDaniel Vetter drm_modeset_lock_all(dev); 2413e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 2414f453ba04SDave Airlie if (!obj) { 2415f453ba04SDave Airlie ret = -EINVAL; 2416f453ba04SDave Airlie goto out; 2417f453ba04SDave Airlie } 2418f453ba04SDave Airlie fb = obj_to_fb(obj); 2419f453ba04SDave Airlie 2420f453ba04SDave Airlie r->height = fb->height; 2421f453ba04SDave Airlie r->width = fb->width; 2422f453ba04SDave Airlie r->depth = fb->depth; 2423f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 242401f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 2425af26ef3bSDaniel Vetter if (fb->funcs->create_handle) 2426af26ef3bSDaniel Vetter ret = fb->funcs->create_handle(fb, file_priv, &r->handle); 2427af26ef3bSDaniel Vetter else 2428af26ef3bSDaniel Vetter ret = -ENODEV; 2429f453ba04SDave Airlie 2430f453ba04SDave Airlie out: 243184849903SDaniel Vetter drm_modeset_unlock_all(dev); 2432f453ba04SDave Airlie return ret; 2433f453ba04SDave Airlie } 2434f453ba04SDave Airlie 2435884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2436884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 2437884840aaSJakob Bornecrantz { 2438884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 2439884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 2440884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 2441884840aaSJakob Bornecrantz struct drm_mode_object *obj; 2442884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 2443884840aaSJakob Bornecrantz unsigned flags; 2444884840aaSJakob Bornecrantz int num_clips; 24454a1b0714SLaurent Pinchart int ret; 2446884840aaSJakob Bornecrantz 2447fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2448fb3b06c8SDave Airlie return -EINVAL; 2449fb3b06c8SDave Airlie 245084849903SDaniel Vetter drm_modeset_lock_all(dev); 2451884840aaSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 2452884840aaSJakob Bornecrantz if (!obj) { 2453884840aaSJakob Bornecrantz ret = -EINVAL; 2454884840aaSJakob Bornecrantz goto out_err1; 2455884840aaSJakob Bornecrantz } 2456884840aaSJakob Bornecrantz fb = obj_to_fb(obj); 2457884840aaSJakob Bornecrantz 2458884840aaSJakob Bornecrantz num_clips = r->num_clips; 245981f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 2460884840aaSJakob Bornecrantz 2461884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 2462884840aaSJakob Bornecrantz ret = -EINVAL; 2463884840aaSJakob Bornecrantz goto out_err1; 2464884840aaSJakob Bornecrantz } 2465884840aaSJakob Bornecrantz 2466884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2467884840aaSJakob Bornecrantz 2468884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 2469884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2470884840aaSJakob Bornecrantz ret = -EINVAL; 2471884840aaSJakob Bornecrantz goto out_err1; 2472884840aaSJakob Bornecrantz } 2473884840aaSJakob Bornecrantz 2474884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 2475a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2476a5cd3351SXi Wang ret = -EINVAL; 2477a5cd3351SXi Wang goto out_err1; 2478a5cd3351SXi Wang } 2479884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 2480884840aaSJakob Bornecrantz if (!clips) { 2481884840aaSJakob Bornecrantz ret = -ENOMEM; 2482884840aaSJakob Bornecrantz goto out_err1; 2483884840aaSJakob Bornecrantz } 2484884840aaSJakob Bornecrantz 2485884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 2486884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 2487e902a358SDan Carpenter if (ret) { 2488e902a358SDan Carpenter ret = -EFAULT; 2489884840aaSJakob Bornecrantz goto out_err2; 2490884840aaSJakob Bornecrantz } 2491e902a358SDan Carpenter } 2492884840aaSJakob Bornecrantz 2493884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 249402b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 249502b00162SThomas Hellstrom clips, num_clips); 2496884840aaSJakob Bornecrantz } else { 2497884840aaSJakob Bornecrantz ret = -ENOSYS; 2498884840aaSJakob Bornecrantz goto out_err2; 2499884840aaSJakob Bornecrantz } 2500884840aaSJakob Bornecrantz 2501884840aaSJakob Bornecrantz out_err2: 2502884840aaSJakob Bornecrantz kfree(clips); 2503884840aaSJakob Bornecrantz out_err1: 250484849903SDaniel Vetter drm_modeset_unlock_all(dev); 2505884840aaSJakob Bornecrantz return ret; 2506884840aaSJakob Bornecrantz } 2507884840aaSJakob Bornecrantz 2508884840aaSJakob Bornecrantz 2509f453ba04SDave Airlie /** 2510f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 2511065a50edSDaniel Vetter * @priv: drm file for the ioctl 2512f453ba04SDave Airlie * 2513f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 2514f453ba04SDave Airlie * 2515f453ba04SDave Airlie * Called by the user via ioctl. 2516f453ba04SDave Airlie * 2517f453ba04SDave Airlie * RETURNS: 2518f453ba04SDave Airlie * Zero on success, errno on failure. 2519f453ba04SDave Airlie */ 2520ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 2521f453ba04SDave Airlie { 2522f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 2523f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 2524f453ba04SDave Airlie 252584849903SDaniel Vetter drm_modeset_lock_all(dev); 2526f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 2527f7eff60eSRob Clark drm_framebuffer_remove(fb); 2528f453ba04SDave Airlie } 252984849903SDaniel Vetter drm_modeset_unlock_all(dev); 2530f453ba04SDave Airlie } 2531f453ba04SDave Airlie 2532f453ba04SDave Airlie /** 2533f453ba04SDave Airlie * drm_mode_attachmode - add a mode to the user mode list 2534f453ba04SDave Airlie * @dev: DRM device 2535f453ba04SDave Airlie * @connector: connector to add the mode to 2536f453ba04SDave Airlie * @mode: mode to add 2537f453ba04SDave Airlie * 2538f453ba04SDave Airlie * Add @mode to @connector's user mode list. 2539f453ba04SDave Airlie */ 25401dd6c8bdSVille Syrjälä static void drm_mode_attachmode(struct drm_device *dev, 2541f453ba04SDave Airlie struct drm_connector *connector, 2542f453ba04SDave Airlie struct drm_display_mode *mode) 2543f453ba04SDave Airlie { 2544f453ba04SDave Airlie list_add_tail(&mode->head, &connector->user_modes); 2545f453ba04SDave Airlie } 2546f453ba04SDave Airlie 2547f453ba04SDave Airlie int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 2548ac235dafSVille Syrjälä const struct drm_display_mode *mode) 2549f453ba04SDave Airlie { 2550f453ba04SDave Airlie struct drm_connector *connector; 2551ac235dafSVille Syrjälä int ret = 0; 2552ac235dafSVille Syrjälä struct drm_display_mode *dup_mode, *next; 2553ac235dafSVille Syrjälä LIST_HEAD(list); 2554ac235dafSVille Syrjälä 2555f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2556f453ba04SDave Airlie if (!connector->encoder) 2557ac235dafSVille Syrjälä continue; 2558f453ba04SDave Airlie if (connector->encoder->crtc == crtc) { 2559f453ba04SDave Airlie dup_mode = drm_mode_duplicate(dev, mode); 2560ac235dafSVille Syrjälä if (!dup_mode) { 2561ac235dafSVille Syrjälä ret = -ENOMEM; 2562ac235dafSVille Syrjälä goto out; 2563ac235dafSVille Syrjälä } 2564ac235dafSVille Syrjälä list_add_tail(&dup_mode->head, &list); 2565f453ba04SDave Airlie } 2566f453ba04SDave Airlie } 2567ac235dafSVille Syrjälä 2568ac235dafSVille Syrjälä list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2569ac235dafSVille Syrjälä if (!connector->encoder) 2570ac235dafSVille Syrjälä continue; 2571ac235dafSVille Syrjälä if (connector->encoder->crtc == crtc) 2572ac235dafSVille Syrjälä list_move_tail(list.next, &connector->user_modes); 2573ac235dafSVille Syrjälä } 2574ac235dafSVille Syrjälä 2575ac235dafSVille Syrjälä WARN_ON(!list_empty(&list)); 2576ac235dafSVille Syrjälä 2577ac235dafSVille Syrjälä out: 2578ac235dafSVille Syrjälä list_for_each_entry_safe(dup_mode, next, &list, head) 2579ac235dafSVille Syrjälä drm_mode_destroy(dev, dup_mode); 2580ac235dafSVille Syrjälä 2581ac235dafSVille Syrjälä return ret; 2582f453ba04SDave Airlie } 2583f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_attachmode_crtc); 2584f453ba04SDave Airlie 2585f453ba04SDave Airlie static int drm_mode_detachmode(struct drm_device *dev, 2586f453ba04SDave Airlie struct drm_connector *connector, 2587f453ba04SDave Airlie struct drm_display_mode *mode) 2588f453ba04SDave Airlie { 2589f453ba04SDave Airlie int found = 0; 2590f453ba04SDave Airlie int ret = 0; 2591f453ba04SDave Airlie struct drm_display_mode *match_mode, *t; 2592f453ba04SDave Airlie 2593f453ba04SDave Airlie list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { 2594f453ba04SDave Airlie if (drm_mode_equal(match_mode, mode)) { 2595f453ba04SDave Airlie list_del(&match_mode->head); 2596f453ba04SDave Airlie drm_mode_destroy(dev, match_mode); 2597f453ba04SDave Airlie found = 1; 2598f453ba04SDave Airlie break; 2599f453ba04SDave Airlie } 2600f453ba04SDave Airlie } 2601f453ba04SDave Airlie 2602f453ba04SDave Airlie if (!found) 2603f453ba04SDave Airlie ret = -EINVAL; 2604f453ba04SDave Airlie 2605f453ba04SDave Airlie return ret; 2606f453ba04SDave Airlie } 2607f453ba04SDave Airlie 2608f453ba04SDave Airlie int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) 2609f453ba04SDave Airlie { 2610f453ba04SDave Airlie struct drm_connector *connector; 2611f453ba04SDave Airlie 2612f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2613f453ba04SDave Airlie drm_mode_detachmode(dev, connector, mode); 2614f453ba04SDave Airlie } 2615f453ba04SDave Airlie return 0; 2616f453ba04SDave Airlie } 2617f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_detachmode_crtc); 2618f453ba04SDave Airlie 2619f453ba04SDave Airlie /** 2620f453ba04SDave Airlie * drm_fb_attachmode - Attach a user mode to an connector 2621065a50edSDaniel Vetter * @dev: drm device for the ioctl 2622065a50edSDaniel Vetter * @data: data pointer for the ioctl 2623065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2624f453ba04SDave Airlie * 2625f453ba04SDave Airlie * This attaches a user specified mode to an connector. 2626f453ba04SDave Airlie * Called by the user via ioctl. 2627f453ba04SDave Airlie * 2628f453ba04SDave Airlie * RETURNS: 2629f453ba04SDave Airlie * Zero on success, errno on failure. 2630f453ba04SDave Airlie */ 2631f453ba04SDave Airlie int drm_mode_attachmode_ioctl(struct drm_device *dev, 2632f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2633f453ba04SDave Airlie { 2634f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 2635f453ba04SDave Airlie struct drm_connector *connector; 2636f453ba04SDave Airlie struct drm_display_mode *mode; 2637f453ba04SDave Airlie struct drm_mode_object *obj; 2638f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 26394a1b0714SLaurent Pinchart int ret; 2640f453ba04SDave Airlie 2641fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2642fb3b06c8SDave Airlie return -EINVAL; 2643fb3b06c8SDave Airlie 264484849903SDaniel Vetter drm_modeset_lock_all(dev); 2645f453ba04SDave Airlie 2646f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2647f453ba04SDave Airlie if (!obj) { 2648f453ba04SDave Airlie ret = -EINVAL; 2649f453ba04SDave Airlie goto out; 2650f453ba04SDave Airlie } 2651f453ba04SDave Airlie connector = obj_to_connector(obj); 2652f453ba04SDave Airlie 2653f453ba04SDave Airlie mode = drm_mode_create(dev); 2654f453ba04SDave Airlie if (!mode) { 2655f453ba04SDave Airlie ret = -ENOMEM; 2656f453ba04SDave Airlie goto out; 2657f453ba04SDave Airlie } 2658f453ba04SDave Airlie 265990367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, umode); 266090367bf6SVille Syrjälä if (ret) { 266190367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 266290367bf6SVille Syrjälä drm_mode_destroy(dev, mode); 266390367bf6SVille Syrjälä goto out; 266490367bf6SVille Syrjälä } 2665f453ba04SDave Airlie 26661dd6c8bdSVille Syrjälä drm_mode_attachmode(dev, connector, mode); 2667f453ba04SDave Airlie out: 266884849903SDaniel Vetter drm_modeset_unlock_all(dev); 2669f453ba04SDave Airlie return ret; 2670f453ba04SDave Airlie } 2671f453ba04SDave Airlie 2672f453ba04SDave Airlie 2673f453ba04SDave Airlie /** 2674f453ba04SDave Airlie * drm_fb_detachmode - Detach a user specified mode from an connector 2675065a50edSDaniel Vetter * @dev: drm device for the ioctl 2676065a50edSDaniel Vetter * @data: data pointer for the ioctl 2677065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2678f453ba04SDave Airlie * 2679f453ba04SDave Airlie * Called by the user via ioctl. 2680f453ba04SDave Airlie * 2681f453ba04SDave Airlie * RETURNS: 2682f453ba04SDave Airlie * Zero on success, errno on failure. 2683f453ba04SDave Airlie */ 2684f453ba04SDave Airlie int drm_mode_detachmode_ioctl(struct drm_device *dev, 2685f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2686f453ba04SDave Airlie { 2687f453ba04SDave Airlie struct drm_mode_object *obj; 2688f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 2689f453ba04SDave Airlie struct drm_connector *connector; 2690f453ba04SDave Airlie struct drm_display_mode mode; 2691f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 26924a1b0714SLaurent Pinchart int ret; 2693f453ba04SDave Airlie 2694fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2695fb3b06c8SDave Airlie return -EINVAL; 2696fb3b06c8SDave Airlie 269784849903SDaniel Vetter drm_modeset_lock_all(dev); 2698f453ba04SDave Airlie 2699f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2700f453ba04SDave Airlie if (!obj) { 2701f453ba04SDave Airlie ret = -EINVAL; 2702f453ba04SDave Airlie goto out; 2703f453ba04SDave Airlie } 2704f453ba04SDave Airlie connector = obj_to_connector(obj); 2705f453ba04SDave Airlie 270690367bf6SVille Syrjälä ret = drm_crtc_convert_umode(&mode, umode); 270790367bf6SVille Syrjälä if (ret) { 270890367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 270990367bf6SVille Syrjälä goto out; 271090367bf6SVille Syrjälä } 271190367bf6SVille Syrjälä 2712f453ba04SDave Airlie ret = drm_mode_detachmode(dev, connector, &mode); 2713f453ba04SDave Airlie out: 271484849903SDaniel Vetter drm_modeset_unlock_all(dev); 2715f453ba04SDave Airlie return ret; 2716f453ba04SDave Airlie } 2717f453ba04SDave Airlie 2718f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2719f453ba04SDave Airlie const char *name, int num_values) 2720f453ba04SDave Airlie { 2721f453ba04SDave Airlie struct drm_property *property = NULL; 27226bfc56aaSVille Syrjälä int ret; 2723f453ba04SDave Airlie 2724f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2725f453ba04SDave Airlie if (!property) 2726f453ba04SDave Airlie return NULL; 2727f453ba04SDave Airlie 2728f453ba04SDave Airlie if (num_values) { 2729f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2730f453ba04SDave Airlie if (!property->values) 2731f453ba04SDave Airlie goto fail; 2732f453ba04SDave Airlie } 2733f453ba04SDave Airlie 27346bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 27356bfc56aaSVille Syrjälä if (ret) 27366bfc56aaSVille Syrjälä goto fail; 27376bfc56aaSVille Syrjälä 2738f453ba04SDave Airlie property->flags = flags; 2739f453ba04SDave Airlie property->num_values = num_values; 2740f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2741f453ba04SDave Airlie 2742471dd2efSVinson Lee if (name) { 2743f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2744471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2745471dd2efSVinson Lee } 2746f453ba04SDave Airlie 2747f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2748f453ba04SDave Airlie return property; 2749f453ba04SDave Airlie fail: 27506bfc56aaSVille Syrjälä kfree(property->values); 2751f453ba04SDave Airlie kfree(property); 2752f453ba04SDave Airlie return NULL; 2753f453ba04SDave Airlie } 2754f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2755f453ba04SDave Airlie 27564a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 27574a67d391SSascha Hauer const char *name, 27584a67d391SSascha Hauer const struct drm_prop_enum_list *props, 27594a67d391SSascha Hauer int num_values) 27604a67d391SSascha Hauer { 27614a67d391SSascha Hauer struct drm_property *property; 27624a67d391SSascha Hauer int i, ret; 27634a67d391SSascha Hauer 27644a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 27654a67d391SSascha Hauer 27664a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 27674a67d391SSascha Hauer if (!property) 27684a67d391SSascha Hauer return NULL; 27694a67d391SSascha Hauer 27704a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 27714a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 27724a67d391SSascha Hauer props[i].type, 27734a67d391SSascha Hauer props[i].name); 27744a67d391SSascha Hauer if (ret) { 27754a67d391SSascha Hauer drm_property_destroy(dev, property); 27764a67d391SSascha Hauer return NULL; 27774a67d391SSascha Hauer } 27784a67d391SSascha Hauer } 27794a67d391SSascha Hauer 27804a67d391SSascha Hauer return property; 27814a67d391SSascha Hauer } 27824a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 27834a67d391SSascha Hauer 278449e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 278549e27545SRob Clark int flags, const char *name, 278649e27545SRob Clark const struct drm_prop_enum_list *props, 278749e27545SRob Clark int num_values) 278849e27545SRob Clark { 278949e27545SRob Clark struct drm_property *property; 279049e27545SRob Clark int i, ret; 279149e27545SRob Clark 279249e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 279349e27545SRob Clark 279449e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 279549e27545SRob Clark if (!property) 279649e27545SRob Clark return NULL; 279749e27545SRob Clark 279849e27545SRob Clark for (i = 0; i < num_values; i++) { 279949e27545SRob Clark ret = drm_property_add_enum(property, i, 280049e27545SRob Clark props[i].type, 280149e27545SRob Clark props[i].name); 280249e27545SRob Clark if (ret) { 280349e27545SRob Clark drm_property_destroy(dev, property); 280449e27545SRob Clark return NULL; 280549e27545SRob Clark } 280649e27545SRob Clark } 280749e27545SRob Clark 280849e27545SRob Clark return property; 280949e27545SRob Clark } 281049e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 281149e27545SRob Clark 2812d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2813d9bc3c02SSascha Hauer const char *name, 2814d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 2815d9bc3c02SSascha Hauer { 2816d9bc3c02SSascha Hauer struct drm_property *property; 2817d9bc3c02SSascha Hauer 2818d9bc3c02SSascha Hauer flags |= DRM_MODE_PROP_RANGE; 2819d9bc3c02SSascha Hauer 2820d9bc3c02SSascha Hauer property = drm_property_create(dev, flags, name, 2); 2821d9bc3c02SSascha Hauer if (!property) 2822d9bc3c02SSascha Hauer return NULL; 2823d9bc3c02SSascha Hauer 2824d9bc3c02SSascha Hauer property->values[0] = min; 2825d9bc3c02SSascha Hauer property->values[1] = max; 2826d9bc3c02SSascha Hauer 2827d9bc3c02SSascha Hauer return property; 2828d9bc3c02SSascha Hauer } 2829d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 2830d9bc3c02SSascha Hauer 2831f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2832f453ba04SDave Airlie uint64_t value, const char *name) 2833f453ba04SDave Airlie { 2834f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2835f453ba04SDave Airlie 283649e27545SRob Clark if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 283749e27545SRob Clark return -EINVAL; 283849e27545SRob Clark 283949e27545SRob Clark /* 284049e27545SRob Clark * Bitmask enum properties have the additional constraint of values 284149e27545SRob Clark * from 0 to 63 284249e27545SRob Clark */ 284349e27545SRob Clark if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) 2844f453ba04SDave Airlie return -EINVAL; 2845f453ba04SDave Airlie 2846f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2847f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2848f453ba04SDave Airlie if (prop_enum->value == value) { 2849f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2850f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2851f453ba04SDave Airlie return 0; 2852f453ba04SDave Airlie } 2853f453ba04SDave Airlie } 2854f453ba04SDave Airlie } 2855f453ba04SDave Airlie 2856f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 2857f453ba04SDave Airlie if (!prop_enum) 2858f453ba04SDave Airlie return -ENOMEM; 2859f453ba04SDave Airlie 2860f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2861f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2862f453ba04SDave Airlie prop_enum->value = value; 2863f453ba04SDave Airlie 2864f453ba04SDave Airlie property->values[index] = value; 2865f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2866f453ba04SDave Airlie return 0; 2867f453ba04SDave Airlie } 2868f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2869f453ba04SDave Airlie 2870f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2871f453ba04SDave Airlie { 2872f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2873f453ba04SDave Airlie 2874f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2875f453ba04SDave Airlie list_del(&prop_enum->head); 2876f453ba04SDave Airlie kfree(prop_enum); 2877f453ba04SDave Airlie } 2878f453ba04SDave Airlie 2879f453ba04SDave Airlie if (property->num_values) 2880f453ba04SDave Airlie kfree(property->values); 2881f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2882f453ba04SDave Airlie list_del(&property->head); 2883f453ba04SDave Airlie kfree(property); 2884f453ba04SDave Airlie } 2885f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2886f453ba04SDave Airlie 2887c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 2888c543188aSPaulo Zanoni struct drm_property *property, 2889c543188aSPaulo Zanoni uint64_t init_val) 2890c543188aSPaulo Zanoni { 28917f88a9beSPaulo Zanoni int count = obj->properties->count; 2892c543188aSPaulo Zanoni 28937f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 28947f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 28957f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 28967f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 28977f88a9beSPaulo Zanoni obj->type); 2898c543188aSPaulo Zanoni return; 2899c543188aSPaulo Zanoni } 2900c543188aSPaulo Zanoni 29017f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 29027f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 29037f88a9beSPaulo Zanoni obj->properties->count++; 2904c543188aSPaulo Zanoni } 2905c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 2906c543188aSPaulo Zanoni 2907c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 2908c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 2909c543188aSPaulo Zanoni { 2910c543188aSPaulo Zanoni int i; 2911c543188aSPaulo Zanoni 29127f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2913c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2914c543188aSPaulo Zanoni obj->properties->values[i] = val; 2915c543188aSPaulo Zanoni return 0; 2916c543188aSPaulo Zanoni } 2917c543188aSPaulo Zanoni } 2918c543188aSPaulo Zanoni 2919c543188aSPaulo Zanoni return -EINVAL; 2920c543188aSPaulo Zanoni } 2921c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 2922c543188aSPaulo Zanoni 2923c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 2924c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 2925c543188aSPaulo Zanoni { 2926c543188aSPaulo Zanoni int i; 2927c543188aSPaulo Zanoni 29287f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 2929c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 2930c543188aSPaulo Zanoni *val = obj->properties->values[i]; 2931c543188aSPaulo Zanoni return 0; 2932c543188aSPaulo Zanoni } 2933c543188aSPaulo Zanoni } 2934c543188aSPaulo Zanoni 2935c543188aSPaulo Zanoni return -EINVAL; 2936c543188aSPaulo Zanoni } 2937c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 2938c543188aSPaulo Zanoni 2939f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2940f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2941f453ba04SDave Airlie { 2942f453ba04SDave Airlie struct drm_mode_object *obj; 2943f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2944f453ba04SDave Airlie struct drm_property *property; 2945f453ba04SDave Airlie int enum_count = 0; 2946f453ba04SDave Airlie int blob_count = 0; 2947f453ba04SDave Airlie int value_count = 0; 2948f453ba04SDave Airlie int ret = 0, i; 2949f453ba04SDave Airlie int copied; 2950f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2951f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2952f453ba04SDave Airlie struct drm_property_blob *prop_blob; 295381f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 2954f453ba04SDave Airlie uint64_t __user *values_ptr; 2955f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2956f453ba04SDave Airlie 2957fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2958fb3b06c8SDave Airlie return -EINVAL; 2959fb3b06c8SDave Airlie 296084849903SDaniel Vetter drm_modeset_lock_all(dev); 2961f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2962f453ba04SDave Airlie if (!obj) { 2963f453ba04SDave Airlie ret = -EINVAL; 2964f453ba04SDave Airlie goto done; 2965f453ba04SDave Airlie } 2966f453ba04SDave Airlie property = obj_to_property(obj); 2967f453ba04SDave Airlie 296849e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2969f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2970f453ba04SDave Airlie enum_count++; 2971f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2972f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2973f453ba04SDave Airlie blob_count++; 2974f453ba04SDave Airlie } 2975f453ba04SDave Airlie 2976f453ba04SDave Airlie value_count = property->num_values; 2977f453ba04SDave Airlie 2978f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2979f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2980f453ba04SDave Airlie out_resp->flags = property->flags; 2981f453ba04SDave Airlie 2982f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 298381f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 2984f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2985f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2986f453ba04SDave Airlie ret = -EFAULT; 2987f453ba04SDave Airlie goto done; 2988f453ba04SDave Airlie } 2989f453ba04SDave Airlie } 2990f453ba04SDave Airlie } 2991f453ba04SDave Airlie out_resp->count_values = value_count; 2992f453ba04SDave Airlie 299349e27545SRob Clark if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 2994f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2995f453ba04SDave Airlie copied = 0; 299681f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 2997f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2998f453ba04SDave Airlie 2999f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 3000f453ba04SDave Airlie ret = -EFAULT; 3001f453ba04SDave Airlie goto done; 3002f453ba04SDave Airlie } 3003f453ba04SDave Airlie 3004f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 3005f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 3006f453ba04SDave Airlie ret = -EFAULT; 3007f453ba04SDave Airlie goto done; 3008f453ba04SDave Airlie } 3009f453ba04SDave Airlie copied++; 3010f453ba04SDave Airlie } 3011f453ba04SDave Airlie } 3012f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 3013f453ba04SDave Airlie } 3014f453ba04SDave Airlie 3015f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 3016f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 3017f453ba04SDave Airlie copied = 0; 301881f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 301981f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 3020f453ba04SDave Airlie 3021f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 3022f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 3023f453ba04SDave Airlie ret = -EFAULT; 3024f453ba04SDave Airlie goto done; 3025f453ba04SDave Airlie } 3026f453ba04SDave Airlie 3027f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 3028f453ba04SDave Airlie ret = -EFAULT; 3029f453ba04SDave Airlie goto done; 3030f453ba04SDave Airlie } 3031f453ba04SDave Airlie 3032f453ba04SDave Airlie copied++; 3033f453ba04SDave Airlie } 3034f453ba04SDave Airlie } 3035f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 3036f453ba04SDave Airlie } 3037f453ba04SDave Airlie done: 303884849903SDaniel Vetter drm_modeset_unlock_all(dev); 3039f453ba04SDave Airlie return ret; 3040f453ba04SDave Airlie } 3041f453ba04SDave Airlie 3042f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 3043f453ba04SDave Airlie void *data) 3044f453ba04SDave Airlie { 3045f453ba04SDave Airlie struct drm_property_blob *blob; 30466bfc56aaSVille Syrjälä int ret; 3047f453ba04SDave Airlie 3048f453ba04SDave Airlie if (!length || !data) 3049f453ba04SDave Airlie return NULL; 3050f453ba04SDave Airlie 3051f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 3052f453ba04SDave Airlie if (!blob) 3053f453ba04SDave Airlie return NULL; 3054f453ba04SDave Airlie 30556bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 30566bfc56aaSVille Syrjälä if (ret) { 30576bfc56aaSVille Syrjälä kfree(blob); 30586bfc56aaSVille Syrjälä return NULL; 30596bfc56aaSVille Syrjälä } 30606bfc56aaSVille Syrjälä 3061f453ba04SDave Airlie blob->length = length; 3062f453ba04SDave Airlie 3063f453ba04SDave Airlie memcpy(blob->data, data, length); 3064f453ba04SDave Airlie 3065f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 3066f453ba04SDave Airlie return blob; 3067f453ba04SDave Airlie } 3068f453ba04SDave Airlie 3069f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 3070f453ba04SDave Airlie struct drm_property_blob *blob) 3071f453ba04SDave Airlie { 3072f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 3073f453ba04SDave Airlie list_del(&blob->head); 3074f453ba04SDave Airlie kfree(blob); 3075f453ba04SDave Airlie } 3076f453ba04SDave Airlie 3077f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3078f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3079f453ba04SDave Airlie { 3080f453ba04SDave Airlie struct drm_mode_object *obj; 3081f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3082f453ba04SDave Airlie struct drm_property_blob *blob; 3083f453ba04SDave Airlie int ret = 0; 308481f6c7f8SVille Syrjälä void __user *blob_ptr; 3085f453ba04SDave Airlie 3086fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3087fb3b06c8SDave Airlie return -EINVAL; 3088fb3b06c8SDave Airlie 308984849903SDaniel Vetter drm_modeset_lock_all(dev); 3090f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 3091f453ba04SDave Airlie if (!obj) { 3092f453ba04SDave Airlie ret = -EINVAL; 3093f453ba04SDave Airlie goto done; 3094f453ba04SDave Airlie } 3095f453ba04SDave Airlie blob = obj_to_blob(obj); 3096f453ba04SDave Airlie 3097f453ba04SDave Airlie if (out_resp->length == blob->length) { 309881f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3099f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3100f453ba04SDave Airlie ret = -EFAULT; 3101f453ba04SDave Airlie goto done; 3102f453ba04SDave Airlie } 3103f453ba04SDave Airlie } 3104f453ba04SDave Airlie out_resp->length = blob->length; 3105f453ba04SDave Airlie 3106f453ba04SDave Airlie done: 310784849903SDaniel Vetter drm_modeset_unlock_all(dev); 3108f453ba04SDave Airlie return ret; 3109f453ba04SDave Airlie } 3110f453ba04SDave Airlie 3111f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 3112f453ba04SDave Airlie struct edid *edid) 3113f453ba04SDave Airlie { 3114f453ba04SDave Airlie struct drm_device *dev = connector->dev; 31154a1b0714SLaurent Pinchart int ret, size; 3116f453ba04SDave Airlie 3117f453ba04SDave Airlie if (connector->edid_blob_ptr) 3118f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 3119f453ba04SDave Airlie 3120f453ba04SDave Airlie /* Delete edid, when there is none. */ 3121f453ba04SDave Airlie if (!edid) { 3122f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 312358495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 3124f453ba04SDave Airlie return ret; 3125f453ba04SDave Airlie } 3126f453ba04SDave Airlie 31277466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 31287466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 31297466f4ccSAdam Jackson size, edid); 3130e655d122SSachin Kamat if (!connector->edid_blob_ptr) 3131e655d122SSachin Kamat return -EINVAL; 3132f453ba04SDave Airlie 313358495563SRob Clark ret = drm_object_property_set_value(&connector->base, 3134f453ba04SDave Airlie dev->mode_config.edid_property, 3135f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 3136f453ba04SDave Airlie 3137f453ba04SDave Airlie return ret; 3138f453ba04SDave Airlie } 3139f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 3140f453ba04SDave Airlie 314126a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 3142592c20eeSVille Syrjälä uint64_t value) 314326a34815SPaulo Zanoni { 314426a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 314526a34815SPaulo Zanoni return false; 314626a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_RANGE) { 314726a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 314826a34815SPaulo Zanoni return false; 314926a34815SPaulo Zanoni return true; 315049e27545SRob Clark } else if (property->flags & DRM_MODE_PROP_BITMASK) { 315149e27545SRob Clark int i; 3152592c20eeSVille Syrjälä uint64_t valid_mask = 0; 315349e27545SRob Clark for (i = 0; i < property->num_values; i++) 315449e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 315549e27545SRob Clark return !(value & ~valid_mask); 3156c4a56750SVille Syrjälä } else if (property->flags & DRM_MODE_PROP_BLOB) { 3157c4a56750SVille Syrjälä /* Only the driver knows */ 3158c4a56750SVille Syrjälä return true; 315926a34815SPaulo Zanoni } else { 316026a34815SPaulo Zanoni int i; 316126a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 316226a34815SPaulo Zanoni if (property->values[i] == value) 316326a34815SPaulo Zanoni return true; 316426a34815SPaulo Zanoni return false; 316526a34815SPaulo Zanoni } 316626a34815SPaulo Zanoni } 316726a34815SPaulo Zanoni 3168f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3169f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3170f453ba04SDave Airlie { 31710057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 31720057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 31730057d8ddSPaulo Zanoni .value = conn_set_prop->value, 31740057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 31750057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 31760057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 31770057d8ddSPaulo Zanoni }; 3178f453ba04SDave Airlie 31790057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 31800057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 3181f453ba04SDave Airlie } 3182f453ba04SDave Airlie 3183c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 3184c543188aSPaulo Zanoni struct drm_property *property, 3185c543188aSPaulo Zanoni uint64_t value) 3186c543188aSPaulo Zanoni { 3187c543188aSPaulo Zanoni int ret = -EINVAL; 3188c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 3189c543188aSPaulo Zanoni 3190c543188aSPaulo Zanoni /* Do DPMS ourselves */ 3191c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 3192c543188aSPaulo Zanoni if (connector->funcs->dpms) 3193c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 3194c543188aSPaulo Zanoni ret = 0; 3195c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 3196c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 3197c543188aSPaulo Zanoni 3198c543188aSPaulo Zanoni /* store the property value if successful */ 3199c543188aSPaulo Zanoni if (!ret) 320058495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 3201c543188aSPaulo Zanoni return ret; 3202c543188aSPaulo Zanoni } 3203c543188aSPaulo Zanoni 3204bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 3205bffd9de0SPaulo Zanoni struct drm_property *property, 3206bffd9de0SPaulo Zanoni uint64_t value) 3207bffd9de0SPaulo Zanoni { 3208bffd9de0SPaulo Zanoni int ret = -EINVAL; 3209bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 3210bffd9de0SPaulo Zanoni 3211bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 3212bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 3213bffd9de0SPaulo Zanoni if (!ret) 3214bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 3215bffd9de0SPaulo Zanoni 3216bffd9de0SPaulo Zanoni return ret; 3217bffd9de0SPaulo Zanoni } 3218bffd9de0SPaulo Zanoni 32194d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 32204d93914aSRob Clark struct drm_property *property, 32214d93914aSRob Clark uint64_t value) 32224d93914aSRob Clark { 32234d93914aSRob Clark int ret = -EINVAL; 32244d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 32254d93914aSRob Clark 32264d93914aSRob Clark if (plane->funcs->set_property) 32274d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 32284d93914aSRob Clark if (!ret) 32294d93914aSRob Clark drm_object_property_set_value(obj, property, value); 32304d93914aSRob Clark 32314d93914aSRob Clark return ret; 32324d93914aSRob Clark } 32334d93914aSRob Clark 3234c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 3235c543188aSPaulo Zanoni struct drm_file *file_priv) 3236c543188aSPaulo Zanoni { 3237c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 3238c543188aSPaulo Zanoni struct drm_mode_object *obj; 3239c543188aSPaulo Zanoni int ret = 0; 3240c543188aSPaulo Zanoni int i; 3241c543188aSPaulo Zanoni int copied = 0; 3242c543188aSPaulo Zanoni int props_count = 0; 3243c543188aSPaulo Zanoni uint32_t __user *props_ptr; 3244c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 3245c543188aSPaulo Zanoni 3246c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3247c543188aSPaulo Zanoni return -EINVAL; 3248c543188aSPaulo Zanoni 324984849903SDaniel Vetter drm_modeset_lock_all(dev); 3250c543188aSPaulo Zanoni 3251c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3252c543188aSPaulo Zanoni if (!obj) { 3253c543188aSPaulo Zanoni ret = -EINVAL; 3254c543188aSPaulo Zanoni goto out; 3255c543188aSPaulo Zanoni } 3256c543188aSPaulo Zanoni if (!obj->properties) { 3257c543188aSPaulo Zanoni ret = -EINVAL; 3258c543188aSPaulo Zanoni goto out; 3259c543188aSPaulo Zanoni } 3260c543188aSPaulo Zanoni 32617f88a9beSPaulo Zanoni props_count = obj->properties->count; 3262c543188aSPaulo Zanoni 3263c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 3264c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 3265c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 3266c543188aSPaulo Zanoni copied = 0; 3267c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 3268c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 3269c543188aSPaulo Zanoni (arg->prop_values_ptr); 3270c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 3271c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 3272c543188aSPaulo Zanoni props_ptr + copied)) { 3273c543188aSPaulo Zanoni ret = -EFAULT; 3274c543188aSPaulo Zanoni goto out; 3275c543188aSPaulo Zanoni } 3276c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 3277c543188aSPaulo Zanoni prop_values_ptr + copied)) { 3278c543188aSPaulo Zanoni ret = -EFAULT; 3279c543188aSPaulo Zanoni goto out; 3280c543188aSPaulo Zanoni } 3281c543188aSPaulo Zanoni copied++; 3282c543188aSPaulo Zanoni } 3283c543188aSPaulo Zanoni } 3284c543188aSPaulo Zanoni arg->count_props = props_count; 3285c543188aSPaulo Zanoni out: 328684849903SDaniel Vetter drm_modeset_unlock_all(dev); 3287c543188aSPaulo Zanoni return ret; 3288c543188aSPaulo Zanoni } 3289c543188aSPaulo Zanoni 3290c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 3291c543188aSPaulo Zanoni struct drm_file *file_priv) 3292c543188aSPaulo Zanoni { 3293c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 3294c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 3295c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 3296c543188aSPaulo Zanoni struct drm_property *property; 3297c543188aSPaulo Zanoni int ret = -EINVAL; 3298c543188aSPaulo Zanoni int i; 3299c543188aSPaulo Zanoni 3300c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3301c543188aSPaulo Zanoni return -EINVAL; 3302c543188aSPaulo Zanoni 330384849903SDaniel Vetter drm_modeset_lock_all(dev); 3304c543188aSPaulo Zanoni 3305c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 3306c543188aSPaulo Zanoni if (!arg_obj) 3307c543188aSPaulo Zanoni goto out; 3308c543188aSPaulo Zanoni if (!arg_obj->properties) 3309c543188aSPaulo Zanoni goto out; 3310c543188aSPaulo Zanoni 33117f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 3312c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 3313c543188aSPaulo Zanoni break; 3314c543188aSPaulo Zanoni 33157f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 3316c543188aSPaulo Zanoni goto out; 3317c543188aSPaulo Zanoni 3318c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 3319c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 3320c543188aSPaulo Zanoni if (!prop_obj) 3321c543188aSPaulo Zanoni goto out; 3322c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 3323c543188aSPaulo Zanoni 3324c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 3325c543188aSPaulo Zanoni goto out; 3326c543188aSPaulo Zanoni 3327c543188aSPaulo Zanoni switch (arg_obj->type) { 3328c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 3329c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 3330c543188aSPaulo Zanoni arg->value); 3331c543188aSPaulo Zanoni break; 3332bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 3333bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 3334bffd9de0SPaulo Zanoni break; 33354d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 33364d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 33374d93914aSRob Clark break; 3338c543188aSPaulo Zanoni } 3339c543188aSPaulo Zanoni 3340c543188aSPaulo Zanoni out: 334184849903SDaniel Vetter drm_modeset_unlock_all(dev); 3342c543188aSPaulo Zanoni return ret; 3343c543188aSPaulo Zanoni } 3344c543188aSPaulo Zanoni 3345f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3346f453ba04SDave Airlie struct drm_encoder *encoder) 3347f453ba04SDave Airlie { 3348f453ba04SDave Airlie int i; 3349f453ba04SDave Airlie 3350f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3351f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 3352f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 3353f453ba04SDave Airlie return 0; 3354f453ba04SDave Airlie } 3355f453ba04SDave Airlie } 3356f453ba04SDave Airlie return -ENOMEM; 3357f453ba04SDave Airlie } 3358f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 3359f453ba04SDave Airlie 3360f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3361f453ba04SDave Airlie struct drm_encoder *encoder) 3362f453ba04SDave Airlie { 3363f453ba04SDave Airlie int i; 3364f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3365f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 3366f453ba04SDave Airlie connector->encoder_ids[i] = 0; 3367f453ba04SDave Airlie if (connector->encoder == encoder) 3368f453ba04SDave Airlie connector->encoder = NULL; 3369f453ba04SDave Airlie break; 3370f453ba04SDave Airlie } 3371f453ba04SDave Airlie } 3372f453ba04SDave Airlie } 3373f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 3374f453ba04SDave Airlie 33754cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3376f453ba04SDave Airlie int gamma_size) 3377f453ba04SDave Airlie { 3378f453ba04SDave Airlie crtc->gamma_size = gamma_size; 3379f453ba04SDave Airlie 3380f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 3381f453ba04SDave Airlie if (!crtc->gamma_store) { 3382f453ba04SDave Airlie crtc->gamma_size = 0; 33834cae5b84SSascha Hauer return -ENOMEM; 3384f453ba04SDave Airlie } 3385f453ba04SDave Airlie 33864cae5b84SSascha Hauer return 0; 3387f453ba04SDave Airlie } 3388f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 3389f453ba04SDave Airlie 3390f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3391f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3392f453ba04SDave Airlie { 3393f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3394f453ba04SDave Airlie struct drm_mode_object *obj; 3395f453ba04SDave Airlie struct drm_crtc *crtc; 3396f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3397f453ba04SDave Airlie int size; 3398f453ba04SDave Airlie int ret = 0; 3399f453ba04SDave Airlie 3400fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3401fb3b06c8SDave Airlie return -EINVAL; 3402fb3b06c8SDave Airlie 340384849903SDaniel Vetter drm_modeset_lock_all(dev); 3404f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3405f453ba04SDave Airlie if (!obj) { 3406f453ba04SDave Airlie ret = -EINVAL; 3407f453ba04SDave Airlie goto out; 3408f453ba04SDave Airlie } 3409f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3410f453ba04SDave Airlie 3411ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 3412ebe0f244SLaurent Pinchart ret = -ENOSYS; 3413ebe0f244SLaurent Pinchart goto out; 3414ebe0f244SLaurent Pinchart } 3415ebe0f244SLaurent Pinchart 3416f453ba04SDave Airlie /* memcpy into gamma store */ 3417f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3418f453ba04SDave Airlie ret = -EINVAL; 3419f453ba04SDave Airlie goto out; 3420f453ba04SDave Airlie } 3421f453ba04SDave Airlie 3422f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3423f453ba04SDave Airlie r_base = crtc->gamma_store; 3424f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 3425f453ba04SDave Airlie ret = -EFAULT; 3426f453ba04SDave Airlie goto out; 3427f453ba04SDave Airlie } 3428f453ba04SDave Airlie 3429f453ba04SDave Airlie g_base = r_base + size; 3430f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 3431f453ba04SDave Airlie ret = -EFAULT; 3432f453ba04SDave Airlie goto out; 3433f453ba04SDave Airlie } 3434f453ba04SDave Airlie 3435f453ba04SDave Airlie b_base = g_base + size; 3436f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 3437f453ba04SDave Airlie ret = -EFAULT; 3438f453ba04SDave Airlie goto out; 3439f453ba04SDave Airlie } 3440f453ba04SDave Airlie 34417203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3442f453ba04SDave Airlie 3443f453ba04SDave Airlie out: 344484849903SDaniel Vetter drm_modeset_unlock_all(dev); 3445f453ba04SDave Airlie return ret; 3446f453ba04SDave Airlie 3447f453ba04SDave Airlie } 3448f453ba04SDave Airlie 3449f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3450f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3451f453ba04SDave Airlie { 3452f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 3453f453ba04SDave Airlie struct drm_mode_object *obj; 3454f453ba04SDave Airlie struct drm_crtc *crtc; 3455f453ba04SDave Airlie void *r_base, *g_base, *b_base; 3456f453ba04SDave Airlie int size; 3457f453ba04SDave Airlie int ret = 0; 3458f453ba04SDave Airlie 3459fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3460fb3b06c8SDave Airlie return -EINVAL; 3461fb3b06c8SDave Airlie 346284849903SDaniel Vetter drm_modeset_lock_all(dev); 3463f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3464f453ba04SDave Airlie if (!obj) { 3465f453ba04SDave Airlie ret = -EINVAL; 3466f453ba04SDave Airlie goto out; 3467f453ba04SDave Airlie } 3468f453ba04SDave Airlie crtc = obj_to_crtc(obj); 3469f453ba04SDave Airlie 3470f453ba04SDave Airlie /* memcpy into gamma store */ 3471f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 3472f453ba04SDave Airlie ret = -EINVAL; 3473f453ba04SDave Airlie goto out; 3474f453ba04SDave Airlie } 3475f453ba04SDave Airlie 3476f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3477f453ba04SDave Airlie r_base = crtc->gamma_store; 3478f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 3479f453ba04SDave Airlie ret = -EFAULT; 3480f453ba04SDave Airlie goto out; 3481f453ba04SDave Airlie } 3482f453ba04SDave Airlie 3483f453ba04SDave Airlie g_base = r_base + size; 3484f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 3485f453ba04SDave Airlie ret = -EFAULT; 3486f453ba04SDave Airlie goto out; 3487f453ba04SDave Airlie } 3488f453ba04SDave Airlie 3489f453ba04SDave Airlie b_base = g_base + size; 3490f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 3491f453ba04SDave Airlie ret = -EFAULT; 3492f453ba04SDave Airlie goto out; 3493f453ba04SDave Airlie } 3494f453ba04SDave Airlie out: 349584849903SDaniel Vetter drm_modeset_unlock_all(dev); 3496f453ba04SDave Airlie return ret; 3497f453ba04SDave Airlie } 3498d91d8a3fSKristian Høgsberg 3499d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 3500d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 3501d91d8a3fSKristian Høgsberg { 3502d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 3503d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 3504d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 3505d91d8a3fSKristian Høgsberg struct drm_framebuffer *fb; 3506d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 3507d91d8a3fSKristian Høgsberg unsigned long flags; 35087c80e128SRob Clark int hdisplay, vdisplay; 3509d91d8a3fSKristian Høgsberg int ret = -EINVAL; 3510d91d8a3fSKristian Høgsberg 3511d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3512d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 3513d91d8a3fSKristian Høgsberg return -EINVAL; 3514d91d8a3fSKristian Høgsberg 351584849903SDaniel Vetter drm_modeset_lock_all(dev); 3516d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3517d91d8a3fSKristian Høgsberg if (!obj) 3518d91d8a3fSKristian Høgsberg goto out; 3519d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 3520d91d8a3fSKristian Høgsberg 352190c1efddSChris Wilson if (crtc->fb == NULL) { 352290c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 352390c1efddSChris Wilson * due to a hotplug event, that userspace has not 352490c1efddSChris Wilson * yet discovered. 352590c1efddSChris Wilson */ 352690c1efddSChris Wilson ret = -EBUSY; 352790c1efddSChris Wilson goto out; 352890c1efddSChris Wilson } 352990c1efddSChris Wilson 3530d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 3531d91d8a3fSKristian Høgsberg goto out; 3532d91d8a3fSKristian Høgsberg 3533d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); 3534d91d8a3fSKristian Høgsberg if (!obj) 3535d91d8a3fSKristian Høgsberg goto out; 3536d91d8a3fSKristian Høgsberg fb = obj_to_fb(obj); 3537d91d8a3fSKristian Høgsberg 35387c80e128SRob Clark hdisplay = crtc->mode.hdisplay; 35397c80e128SRob Clark vdisplay = crtc->mode.vdisplay; 35407c80e128SRob Clark 35417c80e128SRob Clark if (crtc->invert_dimensions) 35427c80e128SRob Clark swap(hdisplay, vdisplay); 35437c80e128SRob Clark 35447c80e128SRob Clark if (hdisplay > fb->width || 35457c80e128SRob Clark vdisplay > fb->height || 35467c80e128SRob Clark crtc->x > fb->width - hdisplay || 35477c80e128SRob Clark crtc->y > fb->height - vdisplay) { 35487c80e128SRob Clark DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 35497c80e128SRob Clark fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, 35507c80e128SRob Clark crtc->invert_dimensions ? " (inverted)" : ""); 35515f61bb42SVille Syrjälä ret = -ENOSPC; 35525f61bb42SVille Syrjälä goto out; 35535f61bb42SVille Syrjälä } 35545f61bb42SVille Syrjälä 3555d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3556d91d8a3fSKristian Høgsberg ret = -ENOMEM; 3557d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3558d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 3559d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3560d91d8a3fSKristian Høgsberg goto out; 3561d91d8a3fSKristian Høgsberg } 3562d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 3563d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3564d91d8a3fSKristian Høgsberg 3565d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 3566d91d8a3fSKristian Høgsberg if (e == NULL) { 3567d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3568d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3569d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3570d91d8a3fSKristian Høgsberg goto out; 3571d91d8a3fSKristian Høgsberg } 3572d91d8a3fSKristian Høgsberg 35737bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3574d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 3575d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 3576d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 3577d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 3578d91d8a3fSKristian Høgsberg e->base.destroy = 3579d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 3580d91d8a3fSKristian Høgsberg } 3581d91d8a3fSKristian Høgsberg 3582d91d8a3fSKristian Høgsberg ret = crtc->funcs->page_flip(crtc, fb, e); 3583d91d8a3fSKristian Høgsberg if (ret) { 3584aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3585d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 3586d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 3587d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 3588d91d8a3fSKristian Høgsberg kfree(e); 3589d91d8a3fSKristian Høgsberg } 3590aef6a7eeSJoonyoung Shim } 3591d91d8a3fSKristian Høgsberg 3592d91d8a3fSKristian Høgsberg out: 359384849903SDaniel Vetter drm_modeset_unlock_all(dev); 3594d91d8a3fSKristian Høgsberg return ret; 3595d91d8a3fSKristian Høgsberg } 3596eb033556SChris Wilson 3597eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 3598eb033556SChris Wilson { 3599eb033556SChris Wilson struct drm_crtc *crtc; 3600eb033556SChris Wilson struct drm_encoder *encoder; 3601eb033556SChris Wilson struct drm_connector *connector; 3602eb033556SChris Wilson 3603eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3604eb033556SChris Wilson if (crtc->funcs->reset) 3605eb033556SChris Wilson crtc->funcs->reset(crtc); 3606eb033556SChris Wilson 3607eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3608eb033556SChris Wilson if (encoder->funcs->reset) 3609eb033556SChris Wilson encoder->funcs->reset(encoder); 3610eb033556SChris Wilson 36115e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 36125e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 36135e2cb2f6SDaniel Vetter 3614eb033556SChris Wilson if (connector->funcs->reset) 3615eb033556SChris Wilson connector->funcs->reset(connector); 3616eb033556SChris Wilson } 36175e2cb2f6SDaniel Vetter } 3618eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 3619ff72145bSDave Airlie 3620ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3621ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3622ff72145bSDave Airlie { 3623ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 3624ff72145bSDave Airlie 3625ff72145bSDave Airlie if (!dev->driver->dumb_create) 3626ff72145bSDave Airlie return -ENOSYS; 3627ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 3628ff72145bSDave Airlie } 3629ff72145bSDave Airlie 3630ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3631ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3632ff72145bSDave Airlie { 3633ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 3634ff72145bSDave Airlie 3635ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 3636ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 3637ff72145bSDave Airlie return -ENOSYS; 3638ff72145bSDave Airlie 3639ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3640ff72145bSDave Airlie } 3641ff72145bSDave Airlie 3642ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3643ff72145bSDave Airlie void *data, struct drm_file *file_priv) 3644ff72145bSDave Airlie { 3645ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 3646ff72145bSDave Airlie 3647ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 3648ff72145bSDave Airlie return -ENOSYS; 3649ff72145bSDave Airlie 3650ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3651ff72145bSDave Airlie } 3652248dbc23SDave Airlie 3653248dbc23SDave Airlie /* 3654248dbc23SDave Airlie * Just need to support RGB formats here for compat with code that doesn't 3655248dbc23SDave Airlie * use pixel formats directly yet. 3656248dbc23SDave Airlie */ 3657248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3658248dbc23SDave Airlie int *bpp) 3659248dbc23SDave Airlie { 3660248dbc23SDave Airlie switch (format) { 366104b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 366204b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 3663248dbc23SDave Airlie *depth = 8; 3664248dbc23SDave Airlie *bpp = 8; 3665248dbc23SDave Airlie break; 366604b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 366704b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 366804b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 366904b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 367004b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 367104b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 367204b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 367304b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 3674248dbc23SDave Airlie *depth = 15; 3675248dbc23SDave Airlie *bpp = 16; 3676248dbc23SDave Airlie break; 367704b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 367804b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 3679248dbc23SDave Airlie *depth = 16; 3680248dbc23SDave Airlie *bpp = 16; 3681248dbc23SDave Airlie break; 368204b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 368304b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 368404b3924dSVille Syrjälä *depth = 24; 368504b3924dSVille Syrjälä *bpp = 24; 368604b3924dSVille Syrjälä break; 368704b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 368804b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 368904b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 369004b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 3691248dbc23SDave Airlie *depth = 24; 3692248dbc23SDave Airlie *bpp = 32; 3693248dbc23SDave Airlie break; 369404b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 369504b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 369604b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 369704b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 369804b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 369904b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 370004b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 370104b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 3702248dbc23SDave Airlie *depth = 30; 3703248dbc23SDave Airlie *bpp = 32; 3704248dbc23SDave Airlie break; 370504b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 370604b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 370704b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 370804b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 3709248dbc23SDave Airlie *depth = 32; 3710248dbc23SDave Airlie *bpp = 32; 3711248dbc23SDave Airlie break; 3712248dbc23SDave Airlie default: 3713248dbc23SDave Airlie DRM_DEBUG_KMS("unsupported pixel format\n"); 3714248dbc23SDave Airlie *depth = 0; 3715248dbc23SDave Airlie *bpp = 0; 3716248dbc23SDave Airlie break; 3717248dbc23SDave Airlie } 3718248dbc23SDave Airlie } 3719248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 3720141670e9SVille Syrjälä 3721141670e9SVille Syrjälä /** 3722141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 3723141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 3724141670e9SVille Syrjälä * 3725141670e9SVille Syrjälä * RETURNS: 3726141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 3727141670e9SVille Syrjälä */ 3728141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 3729141670e9SVille Syrjälä { 3730141670e9SVille Syrjälä switch (format) { 3731141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 3732141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 3733141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 3734141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 3735141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 3736141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 3737141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 3738141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 3739141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 3740141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 3741141670e9SVille Syrjälä return 3; 3742141670e9SVille Syrjälä case DRM_FORMAT_NV12: 3743141670e9SVille Syrjälä case DRM_FORMAT_NV21: 3744141670e9SVille Syrjälä case DRM_FORMAT_NV16: 3745141670e9SVille Syrjälä case DRM_FORMAT_NV61: 3746ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3747ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3748141670e9SVille Syrjälä return 2; 3749141670e9SVille Syrjälä default: 3750141670e9SVille Syrjälä return 1; 3751141670e9SVille Syrjälä } 3752141670e9SVille Syrjälä } 3753141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 37545a86bd55SVille Syrjälä 37555a86bd55SVille Syrjälä /** 37565a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 37575a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 37585a86bd55SVille Syrjälä * @plane: plane index 37595a86bd55SVille Syrjälä * 37605a86bd55SVille Syrjälä * RETURNS: 37615a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 37625a86bd55SVille Syrjälä */ 37635a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 37645a86bd55SVille Syrjälä { 37655a86bd55SVille Syrjälä unsigned int depth; 37665a86bd55SVille Syrjälä int bpp; 37675a86bd55SVille Syrjälä 37685a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 37695a86bd55SVille Syrjälä return 0; 37705a86bd55SVille Syrjälä 37715a86bd55SVille Syrjälä switch (format) { 37725a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 37735a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 37745a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 37755a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 37765a86bd55SVille Syrjälä return 2; 37775a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 37785a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 37795a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 37805a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 3781ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3782ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 37835a86bd55SVille Syrjälä return plane ? 2 : 1; 37845a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 37855a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 37865a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 37875a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 37885a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 37895a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 37905a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 37915a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 37925a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 37935a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 37945a86bd55SVille Syrjälä return 1; 37955a86bd55SVille Syrjälä default: 37965a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 37975a86bd55SVille Syrjälä return bpp >> 3; 37985a86bd55SVille Syrjälä } 37995a86bd55SVille Syrjälä } 38005a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 380101b68b04SVille Syrjälä 380201b68b04SVille Syrjälä /** 380301b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 380401b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 380501b68b04SVille Syrjälä * 380601b68b04SVille Syrjälä * RETURNS: 380701b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 380801b68b04SVille Syrjälä * specified pixel format. 380901b68b04SVille Syrjälä */ 381001b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 381101b68b04SVille Syrjälä { 381201b68b04SVille Syrjälä switch (format) { 381301b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 381401b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 381501b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 381601b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 381701b68b04SVille Syrjälä return 4; 381801b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 381901b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 382001b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 382101b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 382201b68b04SVille Syrjälä case DRM_FORMAT_NV12: 382301b68b04SVille Syrjälä case DRM_FORMAT_NV21: 382401b68b04SVille Syrjälä case DRM_FORMAT_NV16: 382501b68b04SVille Syrjälä case DRM_FORMAT_NV61: 382601b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 382701b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 382801b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 382901b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 383001b68b04SVille Syrjälä return 2; 383101b68b04SVille Syrjälä default: 383201b68b04SVille Syrjälä return 1; 383301b68b04SVille Syrjälä } 383401b68b04SVille Syrjälä } 383501b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 383601b68b04SVille Syrjälä 383701b68b04SVille Syrjälä /** 383801b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 383901b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 384001b68b04SVille Syrjälä * 384101b68b04SVille Syrjälä * RETURNS: 384201b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 384301b68b04SVille Syrjälä * specified pixel format. 384401b68b04SVille Syrjälä */ 384501b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 384601b68b04SVille Syrjälä { 384701b68b04SVille Syrjälä switch (format) { 384801b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 384901b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 385001b68b04SVille Syrjälä return 4; 385101b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 385201b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 385301b68b04SVille Syrjälä case DRM_FORMAT_NV12: 385401b68b04SVille Syrjälä case DRM_FORMAT_NV21: 385501b68b04SVille Syrjälä return 2; 385601b68b04SVille Syrjälä default: 385701b68b04SVille Syrjälä return 1; 385801b68b04SVille Syrjälä } 385901b68b04SVille Syrjälä } 386001b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 3861