1 /* 2 * Copyright (c) 2016 Intel Corporation 3 * 4 * Permission to use, copy, modify, distribute, and sell this software and its 5 * documentation for any purpose is hereby granted without fee, provided that 6 * the above copyright notice appear in all copies and that both that copyright 7 * notice and this permission notice appear in supporting documentation, and 8 * that the name of the copyright holders not be used in advertising or 9 * publicity pertaining to distribution of the software without specific, 10 * written prior permission. The copyright holders make no representations 11 * about the suitability of this software for any purpose. It is provided "as 12 * is" without express or implied warranty. 13 * 14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 20 * OF THIS SOFTWARE. 21 */ 22 23 #ifndef __DRM_MODE_CONFIG_H__ 24 #define __DRM_MODE_CONFIG_H__ 25 26 #include <linux/mutex.h> 27 #include <linux/types.h> 28 #include <linux/idr.h> 29 #include <linux/workqueue.h> 30 #include <linux/llist.h> 31 32 #include <drm/drm_modeset_lock.h> 33 34 struct drm_file; 35 struct drm_device; 36 struct drm_atomic_state; 37 struct drm_mode_fb_cmd2; 38 struct drm_format_info; 39 struct drm_display_mode; 40 41 /** 42 * struct drm_mode_config_funcs - basic driver provided mode setting functions 43 * 44 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that 45 * involve drivers. 46 */ 47 struct drm_mode_config_funcs { 48 /** 49 * @fb_create: 50 * 51 * Create a new framebuffer object. The core does basic checks on the 52 * requested metadata, but most of that is left to the driver. See 53 * &struct drm_mode_fb_cmd2 for details. 54 * 55 * If the parameters are deemed valid and the backing storage objects in 56 * the underlying memory manager all exist, then the driver allocates 57 * a new &drm_framebuffer structure, subclassed to contain 58 * driver-specific information (like the internal native buffer object 59 * references). It also needs to fill out all relevant metadata, which 60 * should be done by calling drm_helper_mode_fill_fb_struct(). 61 * 62 * The initialization is finalized by calling drm_framebuffer_init(), 63 * which registers the framebuffer and makes it accessible to other 64 * threads. 65 * 66 * RETURNS: 67 * 68 * A new framebuffer with an initial reference count of 1 or a negative 69 * error code encoded with ERR_PTR(). 70 */ 71 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, 72 struct drm_file *file_priv, 73 const struct drm_mode_fb_cmd2 *mode_cmd); 74 75 /** 76 * @get_format_info: 77 * 78 * Allows a driver to return custom format information for special 79 * fb layouts (eg. ones with auxiliary compression control planes). 80 * 81 * RETURNS: 82 * 83 * The format information specific to the given fb metadata, or 84 * NULL if none is found. 85 */ 86 const struct drm_format_info *(*get_format_info)(const struct drm_mode_fb_cmd2 *mode_cmd); 87 88 /** 89 * @output_poll_changed: 90 * 91 * Callback used by helpers to inform the driver of output configuration 92 * changes. 93 * 94 * Drivers implementing fbdev emulation with the helpers can call 95 * drm_fb_helper_hotplug_changed from this hook to inform the fbdev 96 * helper of output changes. 97 * 98 * FIXME: 99 * 100 * Except that there's no vtable for device-level helper callbacks 101 * there's no reason this is a core function. 102 */ 103 void (*output_poll_changed)(struct drm_device *dev); 104 105 /** 106 * @mode_valid: 107 * 108 * Device specific validation of display modes. Can be used to reject 109 * modes that can never be supported. Only device wide constraints can 110 * be checked here. crtc/encoder/bridge/connector specific constraints 111 * should be checked in the .mode_valid() hook for each specific object. 112 */ 113 enum drm_mode_status (*mode_valid)(struct drm_device *dev, 114 const struct drm_display_mode *mode); 115 116 /** 117 * @atomic_check: 118 * 119 * This is the only hook to validate an atomic modeset update. This 120 * function must reject any modeset and state changes which the hardware 121 * or driver doesn't support. This includes but is of course not limited 122 * to: 123 * 124 * - Checking that the modes, framebuffers, scaling and placement 125 * requirements and so on are within the limits of the hardware. 126 * 127 * - Checking that any hidden shared resources are not oversubscribed. 128 * This can be shared PLLs, shared lanes, overall memory bandwidth, 129 * display fifo space (where shared between planes or maybe even 130 * CRTCs). 131 * 132 * - Checking that virtualized resources exported to userspace are not 133 * oversubscribed. For various reasons it can make sense to expose 134 * more planes, crtcs or encoders than which are physically there. One 135 * example is dual-pipe operations (which generally should be hidden 136 * from userspace if when lockstepped in hardware, exposed otherwise), 137 * where a plane might need 1 hardware plane (if it's just on one 138 * pipe), 2 hardware planes (when it spans both pipes) or maybe even 139 * shared a hardware plane with a 2nd plane (if there's a compatible 140 * plane requested on the area handled by the other pipe). 141 * 142 * - Check that any transitional state is possible and that if 143 * requested, the update can indeed be done in the vblank period 144 * without temporarily disabling some functions. 145 * 146 * - Check any other constraints the driver or hardware might have. 147 * 148 * - This callback also needs to correctly fill out the &drm_crtc_state 149 * in this update to make sure that drm_atomic_crtc_needs_modeset() 150 * reflects the nature of the possible update and returns true if and 151 * only if the update cannot be applied without tearing within one 152 * vblank on that CRTC. The core uses that information to reject 153 * updates which require a full modeset (i.e. blanking the screen, or 154 * at least pausing updates for a substantial amount of time) if 155 * userspace has disallowed that in its request. 156 * 157 * - The driver also does not need to repeat basic input validation 158 * like done for the corresponding legacy entry points. The core does 159 * that before calling this hook. 160 * 161 * See the documentation of @atomic_commit for an exhaustive list of 162 * error conditions which don't have to be checked at the in this 163 * callback. 164 * 165 * See the documentation for &struct drm_atomic_state for how exactly 166 * an atomic modeset update is described. 167 * 168 * Drivers using the atomic helpers can implement this hook using 169 * drm_atomic_helper_check(), or one of the exported sub-functions of 170 * it. 171 * 172 * RETURNS: 173 * 174 * 0 on success or one of the below negative error codes: 175 * 176 * - -EINVAL, if any of the above constraints are violated. 177 * 178 * - -EDEADLK, when returned from an attempt to acquire an additional 179 * &drm_modeset_lock through drm_modeset_lock(). 180 * 181 * - -ENOMEM, if allocating additional state sub-structures failed due 182 * to lack of memory. 183 * 184 * - -EINTR, -EAGAIN or -ERESTARTSYS, if the IOCTL should be restarted. 185 * This can either be due to a pending signal, or because the driver 186 * needs to completely bail out to recover from an exceptional 187 * situation like a GPU hang. From a userspace point all errors are 188 * treated equally. 189 */ 190 int (*atomic_check)(struct drm_device *dev, 191 struct drm_atomic_state *state); 192 193 /** 194 * @atomic_commit: 195 * 196 * This is the only hook to commit an atomic modeset update. The core 197 * guarantees that @atomic_check has been called successfully before 198 * calling this function, and that nothing has been changed in the 199 * interim. 200 * 201 * See the documentation for &struct drm_atomic_state for how exactly 202 * an atomic modeset update is described. 203 * 204 * Drivers using the atomic helpers can implement this hook using 205 * drm_atomic_helper_commit(), or one of the exported sub-functions of 206 * it. 207 * 208 * Nonblocking commits (as indicated with the nonblock parameter) must 209 * do any preparatory work which might result in an unsuccessful commit 210 * in the context of this callback. The only exceptions are hardware 211 * errors resulting in -EIO. But even in that case the driver must 212 * ensure that the display pipe is at least running, to avoid 213 * compositors crashing when pageflips don't work. Anything else, 214 * specifically committing the update to the hardware, should be done 215 * without blocking the caller. For updates which do not require a 216 * modeset this must be guaranteed. 217 * 218 * The driver must wait for any pending rendering to the new 219 * framebuffers to complete before executing the flip. It should also 220 * wait for any pending rendering from other drivers if the underlying 221 * buffer is a shared dma-buf. Nonblocking commits must not wait for 222 * rendering in the context of this callback. 223 * 224 * An application can request to be notified when the atomic commit has 225 * completed. These events are per-CRTC and can be distinguished by the 226 * CRTC index supplied in &drm_event to userspace. 227 * 228 * The drm core will supply a &struct drm_event in each CRTC's 229 * &drm_crtc_state.event. See the documentation for 230 * &drm_crtc_state.event for more details about the precise semantics of 231 * this event. 232 * 233 * NOTE: 234 * 235 * Drivers are not allowed to shut down any display pipe successfully 236 * enabled through an atomic commit on their own. Doing so can result in 237 * compositors crashing if a page flip is suddenly rejected because the 238 * pipe is off. 239 * 240 * RETURNS: 241 * 242 * 0 on success or one of the below negative error codes: 243 * 244 * - -EBUSY, if a nonblocking updated is requested and there is 245 * an earlier updated pending. Drivers are allowed to support a queue 246 * of outstanding updates, but currently no driver supports that. 247 * Note that drivers must wait for preceding updates to complete if a 248 * synchronous update is requested, they are not allowed to fail the 249 * commit in that case. 250 * 251 * - -ENOMEM, if the driver failed to allocate memory. Specifically 252 * this can happen when trying to pin framebuffers, which must only 253 * be done when committing the state. 254 * 255 * - -ENOSPC, as a refinement of the more generic -ENOMEM to indicate 256 * that the driver has run out of vram, iommu space or similar GPU 257 * address space needed for framebuffer. 258 * 259 * - -EIO, if the hardware completely died. 260 * 261 * - -EINTR, -EAGAIN or -ERESTARTSYS, if the IOCTL should be restarted. 262 * This can either be due to a pending signal, or because the driver 263 * needs to completely bail out to recover from an exceptional 264 * situation like a GPU hang. From a userspace point of view all errors are 265 * treated equally. 266 * 267 * This list is exhaustive. Specifically this hook is not allowed to 268 * return -EINVAL (any invalid requests should be caught in 269 * @atomic_check) or -EDEADLK (this function must not acquire 270 * additional modeset locks). 271 */ 272 int (*atomic_commit)(struct drm_device *dev, 273 struct drm_atomic_state *state, 274 bool nonblock); 275 276 /** 277 * @atomic_state_alloc: 278 * 279 * This optional hook can be used by drivers that want to subclass struct 280 * &drm_atomic_state to be able to track their own driver-private global 281 * state easily. If this hook is implemented, drivers must also 282 * implement @atomic_state_clear and @atomic_state_free. 283 * 284 * Subclassing of &drm_atomic_state is deprecated in favour of using 285 * &drm_private_state and &drm_private_obj. 286 * 287 * RETURNS: 288 * 289 * A new &drm_atomic_state on success or NULL on failure. 290 */ 291 struct drm_atomic_state *(*atomic_state_alloc)(struct drm_device *dev); 292 293 /** 294 * @atomic_state_clear: 295 * 296 * This hook must clear any driver private state duplicated into the 297 * passed-in &drm_atomic_state. This hook is called when the caller 298 * encountered a &drm_modeset_lock deadlock and needs to drop all 299 * already acquired locks as part of the deadlock avoidance dance 300 * implemented in drm_modeset_backoff(). 301 * 302 * Any duplicated state must be invalidated since a concurrent atomic 303 * update might change it, and the drm atomic interfaces always apply 304 * updates as relative changes to the current state. 305 * 306 * Drivers that implement this must call drm_atomic_state_default_clear() 307 * to clear common state. 308 * 309 * Subclassing of &drm_atomic_state is deprecated in favour of using 310 * &drm_private_state and &drm_private_obj. 311 */ 312 void (*atomic_state_clear)(struct drm_atomic_state *state); 313 314 /** 315 * @atomic_state_free: 316 * 317 * This hook needs driver private resources and the &drm_atomic_state 318 * itself. Note that the core first calls drm_atomic_state_clear() to 319 * avoid code duplicate between the clear and free hooks. 320 * 321 * Drivers that implement this must call 322 * drm_atomic_state_default_release() to release common resources. 323 * 324 * Subclassing of &drm_atomic_state is deprecated in favour of using 325 * &drm_private_state and &drm_private_obj. 326 */ 327 void (*atomic_state_free)(struct drm_atomic_state *state); 328 }; 329 330 /** 331 * struct drm_mode_config - Mode configuration control structure 332 * @min_width: minimum fb pixel width on this device 333 * @min_height: minimum fb pixel height on this device 334 * @max_width: maximum fb pixel width on this device 335 * @max_height: maximum fb pixel height on this device 336 * @funcs: core driver provided mode setting functions 337 * @fb_base: base address of the framebuffer 338 * @poll_enabled: track polling support for this device 339 * @poll_running: track polling status for this device 340 * @delayed_event: track delayed poll uevent deliver for this device 341 * @output_poll_work: delayed work for polling in process context 342 * @preferred_depth: preferred RBG pixel depth, used by fb helpers 343 * @prefer_shadow: hint to userspace to prefer shadow-fb rendering 344 * @cursor_width: hint to userspace for max cursor width 345 * @cursor_height: hint to userspace for max cursor height 346 * @helper_private: mid-layer private data 347 * 348 * Core mode resource tracking structure. All CRTC, encoders, and connectors 349 * enumerated by the driver are added here, as are global properties. Some 350 * global restrictions are also here, e.g. dimension restrictions. 351 */ 352 struct drm_mode_config { 353 /** 354 * @mutex: 355 * 356 * This is the big scary modeset BKL which protects everything that 357 * isn't protect otherwise. Scope is unclear and fuzzy, try to remove 358 * anything from under it's protection and move it into more well-scoped 359 * locks. 360 * 361 * The one important thing this protects is the use of @acquire_ctx. 362 */ 363 struct mutex mutex; 364 365 /** 366 * @connection_mutex: 367 * 368 * This protects connector state and the connector to encoder to CRTC 369 * routing chain. 370 * 371 * For atomic drivers specifically this protects &drm_connector.state. 372 */ 373 struct drm_modeset_lock connection_mutex; 374 375 /** 376 * @acquire_ctx: 377 * 378 * Global implicit acquire context used by atomic drivers for legacy 379 * IOCTLs. Deprecated, since implicit locking contexts make it 380 * impossible to use driver-private &struct drm_modeset_lock. Users of 381 * this must hold @mutex. 382 */ 383 struct drm_modeset_acquire_ctx *acquire_ctx; 384 385 /** 386 * @idr_mutex: 387 * 388 * Mutex for KMS ID allocation and management. Protects both @crtc_idr 389 * and @tile_idr. 390 */ 391 struct mutex idr_mutex; 392 393 /** 394 * @crtc_idr: 395 * 396 * Main KMS ID tracking object. Use this idr for all IDs, fb, crtc, 397 * connector, modes - just makes life easier to have only one. 398 */ 399 struct idr crtc_idr; 400 401 /** 402 * @tile_idr: 403 * 404 * Use this idr for allocating new IDs for tiled sinks like use in some 405 * high-res DP MST screens. 406 */ 407 struct idr tile_idr; 408 409 /** @fb_lock: Mutex to protect fb the global @fb_list and @num_fb. */ 410 struct mutex fb_lock; 411 /** @num_fb: Number of entries on @fb_list. */ 412 int num_fb; 413 /** @fb_list: List of all &struct drm_framebuffer. */ 414 struct list_head fb_list; 415 416 /** 417 * @connector_list_lock: Protects @num_connector and 418 * @connector_list and @connector_free_list. 419 */ 420 spinlock_t connector_list_lock; 421 /** 422 * @num_connector: Number of connectors on this device. Protected by 423 * @connector_list_lock. 424 */ 425 int num_connector; 426 /** 427 * @connector_ida: ID allocator for connector indices. 428 */ 429 struct ida connector_ida; 430 /** 431 * @connector_list: 432 * 433 * List of connector objects linked with &drm_connector.head. Protected 434 * by @connector_list_lock. Only use drm_for_each_connector_iter() and 435 * &struct drm_connector_list_iter to walk this list. 436 */ 437 struct list_head connector_list; 438 /** 439 * @connector_free_list: 440 * 441 * List of connector objects linked with &drm_connector.free_head. 442 * Protected by @connector_list_lock. Used by 443 * drm_for_each_connector_iter() and 444 * &struct drm_connector_list_iter to savely free connectors using 445 * @connector_free_work. 446 */ 447 struct llist_head connector_free_list; 448 /** 449 * @connector_free_work: Work to clean up @connector_free_list. 450 */ 451 struct work_struct connector_free_work; 452 453 /** 454 * @num_encoder: 455 * 456 * Number of encoders on this device. This is invariant over the 457 * lifetime of a device and hence doesn't need any locks. 458 */ 459 int num_encoder; 460 /** 461 * @encoder_list: 462 * 463 * List of encoder objects linked with &drm_encoder.head. This is 464 * invariant over the lifetime of a device and hence doesn't need any 465 * locks. 466 */ 467 struct list_head encoder_list; 468 469 /** 470 * @num_total_plane: 471 * 472 * Number of universal (i.e. with primary/curso) planes on this device. 473 * This is invariant over the lifetime of a device and hence doesn't 474 * need any locks. 475 */ 476 int num_total_plane; 477 /** 478 * @plane_list: 479 * 480 * List of plane objects linked with &drm_plane.head. This is invariant 481 * over the lifetime of a device and hence doesn't need any locks. 482 */ 483 struct list_head plane_list; 484 485 /** 486 * @num_crtc: 487 * 488 * Number of CRTCs on this device linked with &drm_crtc.head. This is invariant over the lifetime 489 * of a device and hence doesn't need any locks. 490 */ 491 int num_crtc; 492 /** 493 * @crtc_list: 494 * 495 * List of CRTC objects linked with &drm_crtc.head. This is invariant 496 * over the lifetime of a device and hence doesn't need any locks. 497 */ 498 struct list_head crtc_list; 499 500 /** 501 * @property_list: 502 * 503 * List of property type objects linked with &drm_property.head. This is 504 * invariant over the lifetime of a device and hence doesn't need any 505 * locks. 506 */ 507 struct list_head property_list; 508 509 int min_width, min_height; 510 int max_width, max_height; 511 const struct drm_mode_config_funcs *funcs; 512 resource_size_t fb_base; 513 514 /* output poll support */ 515 bool poll_enabled; 516 bool poll_running; 517 bool delayed_event; 518 struct delayed_work output_poll_work; 519 520 /** 521 * @blob_lock: 522 * 523 * Mutex for blob property allocation and management, protects 524 * @property_blob_list and &drm_file.blobs. 525 */ 526 struct mutex blob_lock; 527 528 /** 529 * @property_blob_list: 530 * 531 * List of all the blob property objects linked with 532 * &drm_property_blob.head. Protected by @blob_lock. 533 */ 534 struct list_head property_blob_list; 535 536 /* pointers to standard properties */ 537 538 /** 539 * @edid_property: Default connector property to hold the EDID of the 540 * currently connected sink, if any. 541 */ 542 struct drm_property *edid_property; 543 /** 544 * @dpms_property: Default connector property to control the 545 * connector's DPMS state. 546 */ 547 struct drm_property *dpms_property; 548 /** 549 * @path_property: Default connector property to hold the DP MST path 550 * for the port. 551 */ 552 struct drm_property *path_property; 553 /** 554 * @tile_property: Default connector property to store the tile 555 * position of a tiled screen, for sinks which need to be driven with 556 * multiple CRTCs. 557 */ 558 struct drm_property *tile_property; 559 /** 560 * @link_status_property: Default connector property for link status 561 * of a connector 562 */ 563 struct drm_property *link_status_property; 564 /** 565 * @plane_type_property: Default plane property to differentiate 566 * CURSOR, PRIMARY and OVERLAY legacy uses of planes. 567 */ 568 struct drm_property *plane_type_property; 569 /** 570 * @prop_src_x: Default atomic plane property for the plane source 571 * position in the connected &drm_framebuffer. 572 */ 573 struct drm_property *prop_src_x; 574 /** 575 * @prop_src_y: Default atomic plane property for the plane source 576 * position in the connected &drm_framebuffer. 577 */ 578 struct drm_property *prop_src_y; 579 /** 580 * @prop_src_w: Default atomic plane property for the plane source 581 * position in the connected &drm_framebuffer. 582 */ 583 struct drm_property *prop_src_w; 584 /** 585 * @prop_src_h: Default atomic plane property for the plane source 586 * position in the connected &drm_framebuffer. 587 */ 588 struct drm_property *prop_src_h; 589 /** 590 * @prop_crtc_x: Default atomic plane property for the plane destination 591 * position in the &drm_crtc is is being shown on. 592 */ 593 struct drm_property *prop_crtc_x; 594 /** 595 * @prop_crtc_y: Default atomic plane property for the plane destination 596 * position in the &drm_crtc is is being shown on. 597 */ 598 struct drm_property *prop_crtc_y; 599 /** 600 * @prop_crtc_w: Default atomic plane property for the plane destination 601 * position in the &drm_crtc is is being shown on. 602 */ 603 struct drm_property *prop_crtc_w; 604 /** 605 * @prop_crtc_h: Default atomic plane property for the plane destination 606 * position in the &drm_crtc is is being shown on. 607 */ 608 struct drm_property *prop_crtc_h; 609 /** 610 * @prop_fb_id: Default atomic plane property to specify the 611 * &drm_framebuffer. 612 */ 613 struct drm_property *prop_fb_id; 614 /** 615 * @prop_in_fence_fd: Sync File fd representing the incoming fences 616 * for a Plane. 617 */ 618 struct drm_property *prop_in_fence_fd; 619 /** 620 * @prop_out_fence_ptr: Sync File fd pointer representing the 621 * outgoing fences for a CRTC. Userspace should provide a pointer to a 622 * value of type s32, and then cast that pointer to u64. 623 */ 624 struct drm_property *prop_out_fence_ptr; 625 /** 626 * @prop_crtc_id: Default atomic plane property to specify the 627 * &drm_crtc. 628 */ 629 struct drm_property *prop_crtc_id; 630 /** 631 * @prop_active: Default atomic CRTC property to control the active 632 * state, which is the simplified implementation for DPMS in atomic 633 * drivers. 634 */ 635 struct drm_property *prop_active; 636 /** 637 * @prop_mode_id: Default atomic CRTC property to set the mode for a 638 * CRTC. A 0 mode implies that the CRTC is entirely disabled - all 639 * connectors must be of and active must be set to disabled, too. 640 */ 641 struct drm_property *prop_mode_id; 642 643 /** 644 * @dvi_i_subconnector_property: Optional DVI-I property to 645 * differentiate between analog or digital mode. 646 */ 647 struct drm_property *dvi_i_subconnector_property; 648 /** 649 * @dvi_i_select_subconnector_property: Optional DVI-I property to 650 * select between analog or digital mode. 651 */ 652 struct drm_property *dvi_i_select_subconnector_property; 653 654 /** 655 * @tv_subconnector_property: Optional TV property to differentiate 656 * between different TV connector types. 657 */ 658 struct drm_property *tv_subconnector_property; 659 /** 660 * @tv_select_subconnector_property: Optional TV property to select 661 * between different TV connector types. 662 */ 663 struct drm_property *tv_select_subconnector_property; 664 /** 665 * @tv_mode_property: Optional TV property to select 666 * the output TV mode. 667 */ 668 struct drm_property *tv_mode_property; 669 /** 670 * @tv_left_margin_property: Optional TV property to set the left 671 * margin. 672 */ 673 struct drm_property *tv_left_margin_property; 674 /** 675 * @tv_right_margin_property: Optional TV property to set the right 676 * margin. 677 */ 678 struct drm_property *tv_right_margin_property; 679 /** 680 * @tv_top_margin_property: Optional TV property to set the right 681 * margin. 682 */ 683 struct drm_property *tv_top_margin_property; 684 /** 685 * @tv_bottom_margin_property: Optional TV property to set the right 686 * margin. 687 */ 688 struct drm_property *tv_bottom_margin_property; 689 /** 690 * @tv_brightness_property: Optional TV property to set the 691 * brightness. 692 */ 693 struct drm_property *tv_brightness_property; 694 /** 695 * @tv_contrast_property: Optional TV property to set the 696 * contrast. 697 */ 698 struct drm_property *tv_contrast_property; 699 /** 700 * @tv_flicker_reduction_property: Optional TV property to control the 701 * flicker reduction mode. 702 */ 703 struct drm_property *tv_flicker_reduction_property; 704 /** 705 * @tv_overscan_property: Optional TV property to control the overscan 706 * setting. 707 */ 708 struct drm_property *tv_overscan_property; 709 /** 710 * @tv_saturation_property: Optional TV property to set the 711 * saturation. 712 */ 713 struct drm_property *tv_saturation_property; 714 /** 715 * @tv_hue_property: Optional TV property to set the hue. 716 */ 717 struct drm_property *tv_hue_property; 718 719 /** 720 * @scaling_mode_property: Optional connector property to control the 721 * upscaling, mostly used for built-in panels. 722 */ 723 struct drm_property *scaling_mode_property; 724 /** 725 * @aspect_ratio_property: Optional connector property to control the 726 * HDMI infoframe aspect ratio setting. 727 */ 728 struct drm_property *aspect_ratio_property; 729 /** 730 * @content_type_property: Optional connector property to control the 731 * HDMI infoframe content type setting. 732 */ 733 struct drm_property *content_type_property; 734 /** 735 * @degamma_lut_property: Optional CRTC property to set the LUT used to 736 * convert the framebuffer's colors to linear gamma. 737 */ 738 struct drm_property *degamma_lut_property; 739 /** 740 * @degamma_lut_size_property: Optional CRTC property for the size of 741 * the degamma LUT as supported by the driver (read-only). 742 */ 743 struct drm_property *degamma_lut_size_property; 744 /** 745 * @ctm_property: Optional CRTC property to set the 746 * matrix used to convert colors after the lookup in the 747 * degamma LUT. 748 */ 749 struct drm_property *ctm_property; 750 /** 751 * @gamma_lut_property: Optional CRTC property to set the LUT used to 752 * convert the colors, after the CTM matrix, to the gamma space of the 753 * connected screen. 754 */ 755 struct drm_property *gamma_lut_property; 756 /** 757 * @gamma_lut_size_property: Optional CRTC property for the size of the 758 * gamma LUT as supported by the driver (read-only). 759 */ 760 struct drm_property *gamma_lut_size_property; 761 762 /** 763 * @suggested_x_property: Optional connector property with a hint for 764 * the position of the output on the host's screen. 765 */ 766 struct drm_property *suggested_x_property; 767 /** 768 * @suggested_y_property: Optional connector property with a hint for 769 * the position of the output on the host's screen. 770 */ 771 struct drm_property *suggested_y_property; 772 773 /** 774 * @non_desktop_property: Optional connector property with a hint 775 * that device isn't a standard display, and the console/desktop, 776 * should not be displayed on it. 777 */ 778 struct drm_property *non_desktop_property; 779 780 /** 781 * @panel_orientation_property: Optional connector property indicating 782 * how the lcd-panel is mounted inside the casing (e.g. normal or 783 * upside-down). 784 */ 785 struct drm_property *panel_orientation_property; 786 787 /** 788 * @writeback_fb_id_property: Property for writeback connectors, storing 789 * the ID of the output framebuffer. 790 * See also: drm_writeback_connector_init() 791 */ 792 struct drm_property *writeback_fb_id_property; 793 794 /** 795 * @writeback_pixel_formats_property: Property for writeback connectors, 796 * storing an array of the supported pixel formats for the writeback 797 * engine (read-only). 798 * See also: drm_writeback_connector_init() 799 */ 800 struct drm_property *writeback_pixel_formats_property; 801 /** 802 * @writeback_out_fence_ptr_property: Property for writeback connectors, 803 * fd pointer representing the outgoing fences for a writeback 804 * connector. Userspace should provide a pointer to a value of type s32, 805 * and then cast that pointer to u64. 806 * See also: drm_writeback_connector_init() 807 */ 808 struct drm_property *writeback_out_fence_ptr_property; 809 810 /* dumb ioctl parameters */ 811 uint32_t preferred_depth, prefer_shadow; 812 813 /** 814 * @async_page_flip: Does this device support async flips on the primary 815 * plane? 816 */ 817 bool async_page_flip; 818 819 /** 820 * @allow_fb_modifiers: 821 * 822 * Whether the driver supports fb modifiers in the ADDFB2.1 ioctl call. 823 */ 824 bool allow_fb_modifiers; 825 826 /** 827 * @normalize_zpos: 828 * 829 * If true the drm core will call drm_atomic_normalize_zpos() as part of 830 * atomic mode checking from drm_atomic_helper_check() 831 */ 832 bool normalize_zpos; 833 834 /** 835 * @modifiers_property: Plane property to list support modifier/format 836 * combination. 837 */ 838 struct drm_property *modifiers_property; 839 840 /* cursor size */ 841 uint32_t cursor_width, cursor_height; 842 843 /** 844 * @suspend_state: 845 * 846 * Atomic state when suspended. 847 * Set by drm_mode_config_helper_suspend() and cleared by 848 * drm_mode_config_helper_resume(). 849 */ 850 struct drm_atomic_state *suspend_state; 851 852 const struct drm_mode_config_helper_funcs *helper_private; 853 }; 854 855 void drm_mode_config_init(struct drm_device *dev); 856 void drm_mode_config_reset(struct drm_device *dev); 857 void drm_mode_config_cleanup(struct drm_device *dev); 858 859 #endif 860