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_PLANE_H__ 24 #define __DRM_PLANE_H__ 25 26 #include <linux/list.h> 27 #include <linux/ctype.h> 28 #include <drm/drm_mode_object.h> 29 #include <drm/drm_color_mgmt.h> 30 31 struct drm_crtc; 32 struct drm_printer; 33 struct drm_modeset_acquire_ctx; 34 35 /** 36 * struct drm_plane_state - mutable plane state 37 * @plane: backpointer to the plane 38 * @crtc_w: width of visible portion of plane on crtc 39 * @crtc_h: height of visible portion of plane on crtc 40 * @src_x: left position of visible portion of plane within 41 * plane (in 16.16) 42 * @src_y: upper position of visible portion of plane within 43 * plane (in 16.16) 44 * @src_w: width of visible portion of plane (in 16.16) 45 * @src_h: height of visible portion of plane (in 16.16) 46 * @alpha: opacity of the plane 47 * @rotation: rotation of the plane 48 * @zpos: priority of the given plane on crtc (optional) 49 * Note that multiple active planes on the same crtc can have an identical 50 * zpos value. The rule to solving the conflict is to compare the plane 51 * object IDs; the plane with a higher ID must be stacked on top of a 52 * plane with a lower ID. 53 * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1 54 * where N is the number of active planes for given crtc. Note that 55 * the driver must set drm_mode_config.normalize_zpos or call 56 * drm_atomic_normalize_zpos() to update this before it can be trusted. 57 * @src: clipped source coordinates of the plane (in 16.16) 58 * @dst: clipped destination coordinates of the plane 59 * @state: backpointer to global drm_atomic_state 60 */ 61 struct drm_plane_state { 62 struct drm_plane *plane; 63 64 /** 65 * @crtc: 66 * 67 * Currently bound CRTC, NULL if disabled. Do not this write directly, 68 * use drm_atomic_set_crtc_for_plane() 69 */ 70 struct drm_crtc *crtc; 71 72 /** 73 * @fb: 74 * 75 * Currently bound framebuffer. Do not write this directly, use 76 * drm_atomic_set_fb_for_plane() 77 */ 78 struct drm_framebuffer *fb; 79 80 /** 81 * @fence: 82 * 83 * Optional fence to wait for before scanning out @fb. The core atomic 84 * code will set this when userspace is using explicit fencing. Do not 85 * write this directly for a driver's implicit fence, use 86 * drm_atomic_set_fence_for_plane() to ensure that an explicit fence is 87 * preserved. 88 * 89 * Drivers should store any implicit fence in this from their 90 * &drm_plane_helper.prepare_fb callback. See drm_gem_fb_prepare_fb() 91 * and drm_gem_fb_simple_display_pipe_prepare_fb() for suitable helpers. 92 */ 93 struct dma_fence *fence; 94 95 /** 96 * @crtc_x: 97 * 98 * Left position of visible portion of plane on crtc, signed dest 99 * location allows it to be partially off screen. 100 */ 101 102 int32_t crtc_x; 103 /** 104 * @crtc_y: 105 * 106 * Upper position of visible portion of plane on crtc, signed dest 107 * location allows it to be partially off screen. 108 */ 109 int32_t crtc_y; 110 111 uint32_t crtc_w, crtc_h; 112 113 /* Source values are 16.16 fixed point */ 114 uint32_t src_x, src_y; 115 uint32_t src_h, src_w; 116 117 /* Plane opacity */ 118 u16 alpha; 119 120 /* Plane rotation */ 121 unsigned int rotation; 122 123 /* Plane zpos */ 124 unsigned int zpos; 125 unsigned int normalized_zpos; 126 127 /** 128 * @color_encoding: 129 * 130 * Color encoding for non RGB formats 131 */ 132 enum drm_color_encoding color_encoding; 133 134 /** 135 * @color_range: 136 * 137 * Color range for non RGB formats 138 */ 139 enum drm_color_range color_range; 140 141 /* Clipped coordinates */ 142 struct drm_rect src, dst; 143 144 /** 145 * @visible: 146 * 147 * Visibility of the plane. This can be false even if fb!=NULL and 148 * crtc!=NULL, due to clipping. 149 */ 150 bool visible; 151 152 /** 153 * @commit: Tracks the pending commit to prevent use-after-free conditions, 154 * and for async plane updates. 155 * 156 * May be NULL. 157 */ 158 struct drm_crtc_commit *commit; 159 160 struct drm_atomic_state *state; 161 }; 162 163 static inline struct drm_rect 164 drm_plane_state_src(const struct drm_plane_state *state) 165 { 166 struct drm_rect src = { 167 .x1 = state->src_x, 168 .y1 = state->src_y, 169 .x2 = state->src_x + state->src_w, 170 .y2 = state->src_y + state->src_h, 171 }; 172 return src; 173 } 174 175 static inline struct drm_rect 176 drm_plane_state_dest(const struct drm_plane_state *state) 177 { 178 struct drm_rect dest = { 179 .x1 = state->crtc_x, 180 .y1 = state->crtc_y, 181 .x2 = state->crtc_x + state->crtc_w, 182 .y2 = state->crtc_y + state->crtc_h, 183 }; 184 return dest; 185 } 186 187 /** 188 * struct drm_plane_funcs - driver plane control functions 189 */ 190 struct drm_plane_funcs { 191 /** 192 * @update_plane: 193 * 194 * This is the legacy entry point to enable and configure the plane for 195 * the given CRTC and framebuffer. It is never called to disable the 196 * plane, i.e. the passed-in crtc and fb paramters are never NULL. 197 * 198 * The source rectangle in frame buffer memory coordinates is given by 199 * the src_x, src_y, src_w and src_h parameters (as 16.16 fixed point 200 * values). Devices that don't support subpixel plane coordinates can 201 * ignore the fractional part. 202 * 203 * The destination rectangle in CRTC coordinates is given by the 204 * crtc_x, crtc_y, crtc_w and crtc_h parameters (as integer values). 205 * Devices scale the source rectangle to the destination rectangle. If 206 * scaling is not supported, and the source rectangle size doesn't match 207 * the destination rectangle size, the driver must return a 208 * -<errorname>EINVAL</errorname> error. 209 * 210 * Drivers implementing atomic modeset should use 211 * drm_atomic_helper_update_plane() to implement this hook. 212 * 213 * RETURNS: 214 * 215 * 0 on success or a negative error code on failure. 216 */ 217 int (*update_plane)(struct drm_plane *plane, 218 struct drm_crtc *crtc, struct drm_framebuffer *fb, 219 int crtc_x, int crtc_y, 220 unsigned int crtc_w, unsigned int crtc_h, 221 uint32_t src_x, uint32_t src_y, 222 uint32_t src_w, uint32_t src_h, 223 struct drm_modeset_acquire_ctx *ctx); 224 225 /** 226 * @disable_plane: 227 * 228 * This is the legacy entry point to disable the plane. The DRM core 229 * calls this method in response to a DRM_IOCTL_MODE_SETPLANE IOCTL call 230 * with the frame buffer ID set to 0. Disabled planes must not be 231 * processed by the CRTC. 232 * 233 * Drivers implementing atomic modeset should use 234 * drm_atomic_helper_disable_plane() to implement this hook. 235 * 236 * RETURNS: 237 * 238 * 0 on success or a negative error code on failure. 239 */ 240 int (*disable_plane)(struct drm_plane *plane, 241 struct drm_modeset_acquire_ctx *ctx); 242 243 /** 244 * @destroy: 245 * 246 * Clean up plane resources. This is only called at driver unload time 247 * through drm_mode_config_cleanup() since a plane cannot be hotplugged 248 * in DRM. 249 */ 250 void (*destroy)(struct drm_plane *plane); 251 252 /** 253 * @reset: 254 * 255 * Reset plane hardware and software state to off. This function isn't 256 * called by the core directly, only through drm_mode_config_reset(). 257 * It's not a helper hook only for historical reasons. 258 * 259 * Atomic drivers can use drm_atomic_helper_plane_reset() to reset 260 * atomic state using this hook. 261 */ 262 void (*reset)(struct drm_plane *plane); 263 264 /** 265 * @set_property: 266 * 267 * This is the legacy entry point to update a property attached to the 268 * plane. 269 * 270 * This callback is optional if the driver does not support any legacy 271 * driver-private properties. For atomic drivers it is not used because 272 * property handling is done entirely in the DRM core. 273 * 274 * RETURNS: 275 * 276 * 0 on success or a negative error code on failure. 277 */ 278 int (*set_property)(struct drm_plane *plane, 279 struct drm_property *property, uint64_t val); 280 281 /** 282 * @atomic_duplicate_state: 283 * 284 * Duplicate the current atomic state for this plane and return it. 285 * The core and helpers guarantee that any atomic state duplicated with 286 * this hook and still owned by the caller (i.e. not transferred to the 287 * driver by calling &drm_mode_config_funcs.atomic_commit) will be 288 * cleaned up by calling the @atomic_destroy_state hook in this 289 * structure. 290 * 291 * This callback is mandatory for atomic drivers. 292 * 293 * Atomic drivers which don't subclass &struct drm_plane_state should use 294 * drm_atomic_helper_plane_duplicate_state(). Drivers that subclass the 295 * state structure to extend it with driver-private state should use 296 * __drm_atomic_helper_plane_duplicate_state() to make sure shared state is 297 * duplicated in a consistent fashion across drivers. 298 * 299 * It is an error to call this hook before &drm_plane.state has been 300 * initialized correctly. 301 * 302 * NOTE: 303 * 304 * If the duplicate state references refcounted resources this hook must 305 * acquire a reference for each of them. The driver must release these 306 * references again in @atomic_destroy_state. 307 * 308 * RETURNS: 309 * 310 * Duplicated atomic state or NULL when the allocation failed. 311 */ 312 struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane); 313 314 /** 315 * @atomic_destroy_state: 316 * 317 * Destroy a state duplicated with @atomic_duplicate_state and release 318 * or unreference all resources it references 319 * 320 * This callback is mandatory for atomic drivers. 321 */ 322 void (*atomic_destroy_state)(struct drm_plane *plane, 323 struct drm_plane_state *state); 324 325 /** 326 * @atomic_set_property: 327 * 328 * Decode a driver-private property value and store the decoded value 329 * into the passed-in state structure. Since the atomic core decodes all 330 * standardized properties (even for extensions beyond the core set of 331 * properties which might not be implemented by all drivers) this 332 * requires drivers to subclass the state structure. 333 * 334 * Such driver-private properties should really only be implemented for 335 * truly hardware/vendor specific state. Instead it is preferred to 336 * standardize atomic extension and decode the properties used to expose 337 * such an extension in the core. 338 * 339 * Do not call this function directly, use 340 * drm_atomic_plane_set_property() instead. 341 * 342 * This callback is optional if the driver does not support any 343 * driver-private atomic properties. 344 * 345 * NOTE: 346 * 347 * This function is called in the state assembly phase of atomic 348 * modesets, which can be aborted for any reason (including on 349 * userspace's request to just check whether a configuration would be 350 * possible). Drivers MUST NOT touch any persistent state (hardware or 351 * software) or data structures except the passed in @state parameter. 352 * 353 * Also since userspace controls in which order properties are set this 354 * function must not do any input validation (since the state update is 355 * incomplete and hence likely inconsistent). Instead any such input 356 * validation must be done in the various atomic_check callbacks. 357 * 358 * RETURNS: 359 * 360 * 0 if the property has been found, -EINVAL if the property isn't 361 * implemented by the driver (which shouldn't ever happen, the core only 362 * asks for properties attached to this plane). No other validation is 363 * allowed by the driver. The core already checks that the property 364 * value is within the range (integer, valid enum value, ...) the driver 365 * set when registering the property. 366 */ 367 int (*atomic_set_property)(struct drm_plane *plane, 368 struct drm_plane_state *state, 369 struct drm_property *property, 370 uint64_t val); 371 372 /** 373 * @atomic_get_property: 374 * 375 * Reads out the decoded driver-private property. This is used to 376 * implement the GETPLANE IOCTL. 377 * 378 * Do not call this function directly, use 379 * drm_atomic_plane_get_property() instead. 380 * 381 * This callback is optional if the driver does not support any 382 * driver-private atomic properties. 383 * 384 * RETURNS: 385 * 386 * 0 on success, -EINVAL if the property isn't implemented by the 387 * driver (which should never happen, the core only asks for 388 * properties attached to this plane). 389 */ 390 int (*atomic_get_property)(struct drm_plane *plane, 391 const struct drm_plane_state *state, 392 struct drm_property *property, 393 uint64_t *val); 394 /** 395 * @late_register: 396 * 397 * This optional hook can be used to register additional userspace 398 * interfaces attached to the plane like debugfs interfaces. 399 * It is called late in the driver load sequence from drm_dev_register(). 400 * Everything added from this callback should be unregistered in 401 * the early_unregister callback. 402 * 403 * Returns: 404 * 405 * 0 on success, or a negative error code on failure. 406 */ 407 int (*late_register)(struct drm_plane *plane); 408 409 /** 410 * @early_unregister: 411 * 412 * This optional hook should be used to unregister the additional 413 * userspace interfaces attached to the plane from 414 * @late_register. It is called from drm_dev_unregister(), 415 * early in the driver unload sequence to disable userspace access 416 * before data structures are torndown. 417 */ 418 void (*early_unregister)(struct drm_plane *plane); 419 420 /** 421 * @atomic_print_state: 422 * 423 * If driver subclasses &struct drm_plane_state, it should implement 424 * this optional hook for printing additional driver specific state. 425 * 426 * Do not call this directly, use drm_atomic_plane_print_state() 427 * instead. 428 */ 429 void (*atomic_print_state)(struct drm_printer *p, 430 const struct drm_plane_state *state); 431 432 /** 433 * @format_mod_supported: 434 * 435 * This optional hook is used for the DRM to determine if the given 436 * format/modifier combination is valid for the plane. This allows the 437 * DRM to generate the correct format bitmask (which formats apply to 438 * which modifier), and to valdiate modifiers at atomic_check time. 439 * 440 * If not present, then any modifier in the plane's modifier 441 * list is allowed with any of the plane's formats. 442 * 443 * Returns: 444 * 445 * True if the given modifier is valid for that format on the plane. 446 * False otherwise. 447 */ 448 bool (*format_mod_supported)(struct drm_plane *plane, uint32_t format, 449 uint64_t modifier); 450 }; 451 452 /** 453 * enum drm_plane_type - uapi plane type enumeration 454 * 455 * For historical reasons not all planes are made the same. This enumeration is 456 * used to tell the different types of planes apart to implement the different 457 * uapi semantics for them. For userspace which is universal plane aware and 458 * which is using that atomic IOCTL there's no difference between these planes 459 * (beyong what the driver and hardware can support of course). 460 * 461 * For compatibility with legacy userspace, only overlay planes are made 462 * available to userspace by default. Userspace clients may set the 463 * DRM_CLIENT_CAP_UNIVERSAL_PLANES client capability bit to indicate that they 464 * wish to receive a universal plane list containing all plane types. See also 465 * drm_for_each_legacy_plane(). 466 * 467 * WARNING: The values of this enum is UABI since they're exposed in the "type" 468 * property. 469 */ 470 enum drm_plane_type { 471 /** 472 * @DRM_PLANE_TYPE_OVERLAY: 473 * 474 * Overlay planes represent all non-primary, non-cursor planes. Some 475 * drivers refer to these types of planes as "sprites" internally. 476 */ 477 DRM_PLANE_TYPE_OVERLAY, 478 479 /** 480 * @DRM_PLANE_TYPE_PRIMARY: 481 * 482 * Primary planes represent a "main" plane for a CRTC. Primary planes 483 * are the planes operated upon by CRTC modesetting and flipping 484 * operations described in the &drm_crtc_funcs.page_flip and 485 * &drm_crtc_funcs.set_config hooks. 486 */ 487 DRM_PLANE_TYPE_PRIMARY, 488 489 /** 490 * @DRM_PLANE_TYPE_CURSOR: 491 * 492 * Cursor planes represent a "cursor" plane for a CRTC. Cursor planes 493 * are the planes operated upon by the DRM_IOCTL_MODE_CURSOR and 494 * DRM_IOCTL_MODE_CURSOR2 IOCTLs. 495 */ 496 DRM_PLANE_TYPE_CURSOR, 497 }; 498 499 500 /** 501 * struct drm_plane - central DRM plane control structure 502 * @dev: DRM device this plane belongs to 503 * @head: for list management 504 * @name: human readable name, can be overwritten by the driver 505 * @base: base mode object 506 * @possible_crtcs: pipes this plane can be bound to 507 * @format_types: array of formats supported by this plane 508 * @format_count: number of formats supported 509 * @format_default: driver hasn't supplied supported formats for the plane 510 * @modifiers: array of modifiers supported by this plane 511 * @modifier_count: number of modifiers supported 512 * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by 513 * drm_mode_set_config_internal() to implement correct refcounting. 514 * @funcs: helper functions 515 * @properties: property tracking for this plane 516 * @type: type of plane (overlay, primary, cursor) 517 * @alpha_property: alpha property for this plane 518 * @zpos_property: zpos property for this plane 519 * @rotation_property: rotation property for this plane 520 * @helper_private: mid-layer private data 521 */ 522 struct drm_plane { 523 struct drm_device *dev; 524 struct list_head head; 525 526 char *name; 527 528 /** 529 * @mutex: 530 * 531 * Protects modeset plane state, together with the &drm_crtc.mutex of 532 * CRTC this plane is linked to (when active, getting activated or 533 * getting disabled). 534 * 535 * For atomic drivers specifically this protects @state. 536 */ 537 struct drm_modeset_lock mutex; 538 539 struct drm_mode_object base; 540 541 uint32_t possible_crtcs; 542 uint32_t *format_types; 543 unsigned int format_count; 544 bool format_default; 545 546 uint64_t *modifiers; 547 unsigned int modifier_count; 548 549 /** 550 * @crtc: Currently bound CRTC, only really meaningful for non-atomic 551 * drivers. Atomic drivers should instead check &drm_plane_state.crtc. 552 */ 553 struct drm_crtc *crtc; 554 555 /** 556 * @fb: Currently bound framebuffer, only really meaningful for 557 * non-atomic drivers. Atomic drivers should instead check 558 * &drm_plane_state.fb. 559 */ 560 struct drm_framebuffer *fb; 561 562 struct drm_framebuffer *old_fb; 563 564 const struct drm_plane_funcs *funcs; 565 566 struct drm_object_properties properties; 567 568 enum drm_plane_type type; 569 570 /** 571 * @index: Position inside the mode_config.list, can be used as an array 572 * index. It is invariant over the lifetime of the plane. 573 */ 574 unsigned index; 575 576 const struct drm_plane_helper_funcs *helper_private; 577 578 /** 579 * @state: 580 * 581 * Current atomic state for this plane. 582 * 583 * This is protected by @mutex. Note that nonblocking atomic commits 584 * access the current plane state without taking locks. Either by going 585 * through the &struct drm_atomic_state pointers, see 586 * for_each_oldnew_plane_in_state(), for_each_old_plane_in_state() and 587 * for_each_new_plane_in_state(). Or through careful ordering of atomic 588 * commit operations as implemented in the atomic helpers, see 589 * &struct drm_crtc_commit. 590 */ 591 struct drm_plane_state *state; 592 593 struct drm_property *alpha_property; 594 struct drm_property *zpos_property; 595 struct drm_property *rotation_property; 596 597 /** 598 * @color_encoding_property: 599 * 600 * Optional "COLOR_ENCODING" enum property for specifying 601 * color encoding for non RGB formats. 602 * See drm_plane_create_color_properties(). 603 */ 604 struct drm_property *color_encoding_property; 605 /** 606 * @color_range_property: 607 * 608 * Optional "COLOR_RANGE" enum property for specifying 609 * color range for non RGB formats. 610 * See drm_plane_create_color_properties(). 611 */ 612 struct drm_property *color_range_property; 613 }; 614 615 #define obj_to_plane(x) container_of(x, struct drm_plane, base) 616 617 __printf(9, 10) 618 int drm_universal_plane_init(struct drm_device *dev, 619 struct drm_plane *plane, 620 uint32_t possible_crtcs, 621 const struct drm_plane_funcs *funcs, 622 const uint32_t *formats, 623 unsigned int format_count, 624 const uint64_t *format_modifiers, 625 enum drm_plane_type type, 626 const char *name, ...); 627 int drm_plane_init(struct drm_device *dev, 628 struct drm_plane *plane, 629 uint32_t possible_crtcs, 630 const struct drm_plane_funcs *funcs, 631 const uint32_t *formats, unsigned int format_count, 632 bool is_primary); 633 void drm_plane_cleanup(struct drm_plane *plane); 634 635 /** 636 * drm_plane_index - find the index of a registered plane 637 * @plane: plane to find index for 638 * 639 * Given a registered plane, return the index of that plane within a DRM 640 * device's list of planes. 641 */ 642 static inline unsigned int drm_plane_index(const struct drm_plane *plane) 643 { 644 return plane->index; 645 } 646 647 /** 648 * drm_plane_mask - find the mask of a registered plane 649 * @plane: plane to find mask for 650 */ 651 static inline u32 drm_plane_mask(const struct drm_plane *plane) 652 { 653 return 1 << drm_plane_index(plane); 654 } 655 656 struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); 657 void drm_plane_force_disable(struct drm_plane *plane); 658 659 int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 660 struct drm_property *property, 661 uint64_t value); 662 663 /** 664 * drm_plane_find - find a &drm_plane 665 * @dev: DRM device 666 * @file_priv: drm file to check for lease against. 667 * @id: plane id 668 * 669 * Returns the plane with @id, NULL if it doesn't exist. Simple wrapper around 670 * drm_mode_object_find(). 671 */ 672 static inline struct drm_plane *drm_plane_find(struct drm_device *dev, 673 struct drm_file *file_priv, 674 uint32_t id) 675 { 676 struct drm_mode_object *mo; 677 mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_PLANE); 678 return mo ? obj_to_plane(mo) : NULL; 679 } 680 681 /** 682 * drm_for_each_plane_mask - iterate over planes specified by bitmask 683 * @plane: the loop cursor 684 * @dev: the DRM device 685 * @plane_mask: bitmask of plane indices 686 * 687 * Iterate over all planes specified by bitmask. 688 */ 689 #define drm_for_each_plane_mask(plane, dev, plane_mask) \ 690 list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ 691 for_each_if ((plane_mask) & drm_plane_mask(plane)) 692 693 /** 694 * drm_for_each_legacy_plane - iterate over all planes for legacy userspace 695 * @plane: the loop cursor 696 * @dev: the DRM device 697 * 698 * Iterate over all legacy planes of @dev, excluding primary and cursor planes. 699 * This is useful for implementing userspace apis when userspace is not 700 * universal plane aware. See also &enum drm_plane_type. 701 */ 702 #define drm_for_each_legacy_plane(plane, dev) \ 703 list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ 704 for_each_if (plane->type == DRM_PLANE_TYPE_OVERLAY) 705 706 /** 707 * drm_for_each_plane - iterate over all planes 708 * @plane: the loop cursor 709 * @dev: the DRM device 710 * 711 * Iterate over all planes of @dev, include primary and cursor planes. 712 */ 713 #define drm_for_each_plane(plane, dev) \ 714 list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) 715 716 717 #endif 718