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1/*2 * Copyright (c) 2016 Intel Corporation3 *4 * Permission to use, copy, modify, distribute, and sell this software and its5 * documentation for any purpose is hereby granted without fee, provided that6 * the above copyright notice appear in all copies and that both that copyright7 * notice and this permission notice appear in supporting documentation, and8 * that the name of the copyright holders not be used in advertising or9 * publicity pertaining to distribution of the software without specific,10 * written prior permission. The copyright holders make no representations11 * about the suitability of this software for any purpose. It is provided "as12 * 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 NO16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE20 * OF THIS SOFTWARE.21 */22 23#include <linux/uaccess.h>24 25#include <drm/drm_drv.h>26#include <drm/drm_encoder.h>27#include <drm/drm_file.h>28#include <drm/drm_framebuffer.h>29#include <drm/drm_managed.h>30#include <drm/drm_mode_config.h>31#include <drm/drm_print.h>32#include <linux/dma-resv.h>33 34#include "drm_crtc_internal.h"35#include "drm_internal.h"36 37int drm_modeset_register_all(struct drm_device *dev)38{39 int ret;40 41 ret = drm_plane_register_all(dev);42 if (ret)43 goto err_plane;44 45 ret = drm_crtc_register_all(dev);46 if (ret)47 goto err_crtc;48 49 ret = drm_encoder_register_all(dev);50 if (ret)51 goto err_encoder;52 53 ret = drm_connector_register_all(dev);54 if (ret)55 goto err_connector;56 57 return 0;58 59err_connector:60 drm_encoder_unregister_all(dev);61err_encoder:62 drm_crtc_unregister_all(dev);63err_crtc:64 drm_plane_unregister_all(dev);65err_plane:66 return ret;67}68 69void drm_modeset_unregister_all(struct drm_device *dev)70{71 drm_connector_unregister_all(dev);72 drm_encoder_unregister_all(dev);73 drm_crtc_unregister_all(dev);74 drm_plane_unregister_all(dev);75}76 77/**78 * drm_mode_getresources - get graphics configuration79 * @dev: drm device for the ioctl80 * @data: data pointer for the ioctl81 * @file_priv: drm file for the ioctl call82 *83 * Construct a set of configuration description structures and return84 * them to the user, including CRTC, connector and framebuffer configuration.85 *86 * Called by the user via ioctl.87 *88 * Returns:89 * Zero on success, negative errno on failure.90 */91int drm_mode_getresources(struct drm_device *dev, void *data,92 struct drm_file *file_priv)93{94 struct drm_mode_card_res *card_res = data;95 struct drm_framebuffer *fb;96 struct drm_connector *connector;97 struct drm_crtc *crtc;98 struct drm_encoder *encoder;99 int count, ret = 0;100 uint32_t __user *fb_id;101 uint32_t __user *crtc_id;102 uint32_t __user *connector_id;103 uint32_t __user *encoder_id;104 struct drm_connector_list_iter conn_iter;105 106 if (!drm_core_check_feature(dev, DRIVER_MODESET))107 return -EOPNOTSUPP;108 109 mutex_lock(&file_priv->fbs_lock);110 count = 0;111 fb_id = u64_to_user_ptr(card_res->fb_id_ptr);112 list_for_each_entry(fb, &file_priv->fbs, filp_head) {113 if (count < card_res->count_fbs &&114 put_user(fb->base.id, fb_id + count)) {115 mutex_unlock(&file_priv->fbs_lock);116 return -EFAULT;117 }118 count++;119 }120 card_res->count_fbs = count;121 mutex_unlock(&file_priv->fbs_lock);122 123 card_res->max_height = dev->mode_config.max_height;124 card_res->min_height = dev->mode_config.min_height;125 card_res->max_width = dev->mode_config.max_width;126 card_res->min_width = dev->mode_config.min_width;127 128 count = 0;129 crtc_id = u64_to_user_ptr(card_res->crtc_id_ptr);130 drm_for_each_crtc(crtc, dev) {131 if (drm_lease_held(file_priv, crtc->base.id)) {132 if (count < card_res->count_crtcs &&133 put_user(crtc->base.id, crtc_id + count))134 return -EFAULT;135 count++;136 }137 }138 card_res->count_crtcs = count;139 140 count = 0;141 encoder_id = u64_to_user_ptr(card_res->encoder_id_ptr);142 drm_for_each_encoder(encoder, dev) {143 if (count < card_res->count_encoders &&144 put_user(encoder->base.id, encoder_id + count))145 return -EFAULT;146 count++;147 }148 card_res->count_encoders = count;149 150 drm_connector_list_iter_begin(dev, &conn_iter);151 count = 0;152 connector_id = u64_to_user_ptr(card_res->connector_id_ptr);153 drm_for_each_connector_iter(connector, &conn_iter) {154 /* only expose writeback connectors if userspace understands them */155 if (!file_priv->writeback_connectors &&156 (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK))157 continue;158 159 if (drm_lease_held(file_priv, connector->base.id)) {160 if (count < card_res->count_connectors &&161 put_user(connector->base.id, connector_id + count)) {162 drm_connector_list_iter_end(&conn_iter);163 return -EFAULT;164 }165 count++;166 }167 }168 card_res->count_connectors = count;169 drm_connector_list_iter_end(&conn_iter);170 171 return ret;172}173 174/**175 * drm_mode_config_reset - call ->reset callbacks176 * @dev: drm device177 *178 * This functions calls all the crtc's, encoder's and connector's ->reset179 * callback. Drivers can use this in e.g. their driver load or resume code to180 * reset hardware and software state.181 */182void drm_mode_config_reset(struct drm_device *dev)183{184 struct drm_crtc *crtc;185 struct drm_plane *plane;186 struct drm_encoder *encoder;187 struct drm_connector *connector;188 struct drm_connector_list_iter conn_iter;189 190 drm_for_each_plane(plane, dev)191 if (plane->funcs->reset)192 plane->funcs->reset(plane);193 194 drm_for_each_crtc(crtc, dev)195 if (crtc->funcs->reset)196 crtc->funcs->reset(crtc);197 198 drm_for_each_encoder(encoder, dev)199 if (encoder->funcs && encoder->funcs->reset)200 encoder->funcs->reset(encoder);201 202 drm_connector_list_iter_begin(dev, &conn_iter);203 drm_for_each_connector_iter(connector, &conn_iter)204 if (connector->funcs->reset)205 connector->funcs->reset(connector);206 drm_connector_list_iter_end(&conn_iter);207}208EXPORT_SYMBOL(drm_mode_config_reset);209 210/*211 * Global properties212 */213static const struct drm_prop_enum_list drm_plane_type_enum_list[] = {214 { DRM_PLANE_TYPE_OVERLAY, "Overlay" },215 { DRM_PLANE_TYPE_PRIMARY, "Primary" },216 { DRM_PLANE_TYPE_CURSOR, "Cursor" },217};218 219static int drm_mode_create_standard_properties(struct drm_device *dev)220{221 struct drm_property *prop;222 int ret;223 224 ret = drm_connector_create_standard_properties(dev);225 if (ret)226 return ret;227 228 prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,229 "type", drm_plane_type_enum_list,230 ARRAY_SIZE(drm_plane_type_enum_list));231 if (!prop)232 return -ENOMEM;233 dev->mode_config.plane_type_property = prop;234 235 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,236 "SRC_X", 0, UINT_MAX);237 if (!prop)238 return -ENOMEM;239 dev->mode_config.prop_src_x = prop;240 241 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,242 "SRC_Y", 0, UINT_MAX);243 if (!prop)244 return -ENOMEM;245 dev->mode_config.prop_src_y = prop;246 247 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,248 "SRC_W", 0, UINT_MAX);249 if (!prop)250 return -ENOMEM;251 dev->mode_config.prop_src_w = prop;252 253 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,254 "SRC_H", 0, UINT_MAX);255 if (!prop)256 return -ENOMEM;257 dev->mode_config.prop_src_h = prop;258 259 prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC,260 "CRTC_X", INT_MIN, INT_MAX);261 if (!prop)262 return -ENOMEM;263 dev->mode_config.prop_crtc_x = prop;264 265 prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC,266 "CRTC_Y", INT_MIN, INT_MAX);267 if (!prop)268 return -ENOMEM;269 dev->mode_config.prop_crtc_y = prop;270 271 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,272 "CRTC_W", 0, INT_MAX);273 if (!prop)274 return -ENOMEM;275 dev->mode_config.prop_crtc_w = prop;276 277 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,278 "CRTC_H", 0, INT_MAX);279 if (!prop)280 return -ENOMEM;281 dev->mode_config.prop_crtc_h = prop;282 283 prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC,284 "FB_ID", DRM_MODE_OBJECT_FB);285 if (!prop)286 return -ENOMEM;287 dev->mode_config.prop_fb_id = prop;288 289 prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC,290 "IN_FENCE_FD", -1, INT_MAX);291 if (!prop)292 return -ENOMEM;293 dev->mode_config.prop_in_fence_fd = prop;294 295 prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,296 "OUT_FENCE_PTR", 0, U64_MAX);297 if (!prop)298 return -ENOMEM;299 dev->mode_config.prop_out_fence_ptr = prop;300 301 prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC,302 "CRTC_ID", DRM_MODE_OBJECT_CRTC);303 if (!prop)304 return -ENOMEM;305 dev->mode_config.prop_crtc_id = prop;306 307 prop = drm_property_create(dev,308 DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB,309 "FB_DAMAGE_CLIPS", 0);310 if (!prop)311 return -ENOMEM;312 dev->mode_config.prop_fb_damage_clips = prop;313 314 prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC,315 "ACTIVE");316 if (!prop)317 return -ENOMEM;318 dev->mode_config.prop_active = prop;319 320 prop = drm_property_create(dev,321 DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB,322 "MODE_ID", 0);323 if (!prop)324 return -ENOMEM;325 dev->mode_config.prop_mode_id = prop;326 327 prop = drm_property_create_bool(dev, 0,328 "VRR_ENABLED");329 if (!prop)330 return -ENOMEM;331 dev->mode_config.prop_vrr_enabled = prop;332 333 prop = drm_property_create(dev,334 DRM_MODE_PROP_BLOB,335 "DEGAMMA_LUT", 0);336 if (!prop)337 return -ENOMEM;338 dev->mode_config.degamma_lut_property = prop;339 340 prop = drm_property_create_range(dev,341 DRM_MODE_PROP_IMMUTABLE,342 "DEGAMMA_LUT_SIZE", 0, UINT_MAX);343 if (!prop)344 return -ENOMEM;345 dev->mode_config.degamma_lut_size_property = prop;346 347 prop = drm_property_create(dev,348 DRM_MODE_PROP_BLOB,349 "CTM", 0);350 if (!prop)351 return -ENOMEM;352 dev->mode_config.ctm_property = prop;353 354 prop = drm_property_create(dev,355 DRM_MODE_PROP_BLOB,356 "GAMMA_LUT", 0);357 if (!prop)358 return -ENOMEM;359 dev->mode_config.gamma_lut_property = prop;360 361 prop = drm_property_create_range(dev,362 DRM_MODE_PROP_IMMUTABLE,363 "GAMMA_LUT_SIZE", 0, UINT_MAX);364 if (!prop)365 return -ENOMEM;366 dev->mode_config.gamma_lut_size_property = prop;367 368 prop = drm_property_create(dev,369 DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_BLOB,370 "IN_FORMATS", 0);371 if (!prop)372 return -ENOMEM;373 dev->mode_config.modifiers_property = prop;374 375 prop = drm_property_create(dev,376 DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_BLOB,377 "SIZE_HINTS", 0);378 if (!prop)379 return -ENOMEM;380 dev->mode_config.size_hints_property = prop;381 382 return 0;383}384 385static void drm_mode_config_init_release(struct drm_device *dev, void *ptr)386{387 drm_mode_config_cleanup(dev);388}389 390/**391 * drmm_mode_config_init - managed DRM mode_configuration structure392 * initialization393 * @dev: DRM device394 *395 * Initialize @dev's mode_config structure, used for tracking the graphics396 * configuration of @dev.397 *398 * Since this initializes the modeset locks, no locking is possible. Which is no399 * problem, since this should happen single threaded at init time. It is the400 * driver's problem to ensure this guarantee.401 *402 * Cleanup is automatically handled through registering drm_mode_config_cleanup403 * with drmm_add_action().404 *405 * Returns: 0 on success, negative error value on failure.406 */407int drmm_mode_config_init(struct drm_device *dev)408{409 int ret;410 411 mutex_init(&dev->mode_config.mutex);412 drm_modeset_lock_init(&dev->mode_config.connection_mutex);413 mutex_init(&dev->mode_config.idr_mutex);414 mutex_init(&dev->mode_config.fb_lock);415 mutex_init(&dev->mode_config.blob_lock);416 INIT_LIST_HEAD(&dev->mode_config.fb_list);417 INIT_LIST_HEAD(&dev->mode_config.crtc_list);418 INIT_LIST_HEAD(&dev->mode_config.connector_list);419 INIT_LIST_HEAD(&dev->mode_config.encoder_list);420 INIT_LIST_HEAD(&dev->mode_config.property_list);421 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);422 INIT_LIST_HEAD(&dev->mode_config.plane_list);423 INIT_LIST_HEAD(&dev->mode_config.privobj_list);424 idr_init_base(&dev->mode_config.object_idr, 1);425 idr_init_base(&dev->mode_config.tile_idr, 1);426 ida_init(&dev->mode_config.connector_ida);427 spin_lock_init(&dev->mode_config.connector_list_lock);428 429 init_llist_head(&dev->mode_config.connector_free_list);430 INIT_WORK(&dev->mode_config.connector_free_work, drm_connector_free_work_fn);431 432 ret = drm_mode_create_standard_properties(dev);433 if (ret) {434 drm_mode_config_cleanup(dev);435 return ret;436 }437 438 /* Just to be sure */439 dev->mode_config.num_fb = 0;440 dev->mode_config.num_connector = 0;441 dev->mode_config.num_crtc = 0;442 dev->mode_config.num_encoder = 0;443 dev->mode_config.num_total_plane = 0;444 445 if (IS_ENABLED(CONFIG_LOCKDEP)) {446 struct drm_modeset_acquire_ctx modeset_ctx;447 struct ww_acquire_ctx resv_ctx;448 struct dma_resv resv;449 int ret;450 451 dma_resv_init(&resv);452 453 drm_modeset_acquire_init(&modeset_ctx, 0);454 ret = drm_modeset_lock(&dev->mode_config.connection_mutex,455 &modeset_ctx);456 if (ret == -EDEADLK)457 ret = drm_modeset_backoff(&modeset_ctx);458 459 might_fault();460 461 ww_acquire_init(&resv_ctx, &reservation_ww_class);462 ret = dma_resv_lock(&resv, &resv_ctx);463 if (ret == -EDEADLK)464 dma_resv_lock_slow(&resv, &resv_ctx);465 466 dma_resv_unlock(&resv);467 ww_acquire_fini(&resv_ctx);468 469 drm_modeset_drop_locks(&modeset_ctx);470 drm_modeset_acquire_fini(&modeset_ctx);471 dma_resv_fini(&resv);472 }473 474 return drmm_add_action_or_reset(dev, drm_mode_config_init_release,475 NULL);476}477EXPORT_SYMBOL(drmm_mode_config_init);478 479/**480 * drm_mode_config_cleanup - free up DRM mode_config info481 * @dev: DRM device482 *483 * Free up all the connectors and CRTCs associated with this DRM device, then484 * free up the framebuffers and associated buffer objects.485 *486 * Note that since this /should/ happen single-threaded at driver/device487 * teardown time, no locking is required. It's the driver's job to ensure that488 * this guarantee actually holds true.489 *490 * FIXME: With the managed drmm_mode_config_init() it is no longer necessary for491 * drivers to explicitly call this function.492 */493void drm_mode_config_cleanup(struct drm_device *dev)494{495 struct drm_connector *connector;496 struct drm_connector_list_iter conn_iter;497 struct drm_crtc *crtc, *ct;498 struct drm_encoder *encoder, *enct;499 struct drm_framebuffer *fb, *fbt;500 struct drm_property *property, *pt;501 struct drm_property_blob *blob, *bt;502 struct drm_plane *plane, *plt;503 504 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,505 head) {506 encoder->funcs->destroy(encoder);507 }508 509 drm_connector_list_iter_begin(dev, &conn_iter);510 drm_for_each_connector_iter(connector, &conn_iter) {511 /* drm_connector_list_iter holds an full reference to the512 * current connector itself, which means it is inherently safe513 * against unreferencing the current connector - but not against514 * deleting it right away. */515 drm_connector_put(connector);516 }517 drm_connector_list_iter_end(&conn_iter);518 /* connector_iter drops references in a work item. */519 flush_work(&dev->mode_config.connector_free_work);520 if (WARN_ON(!list_empty(&dev->mode_config.connector_list))) {521 drm_connector_list_iter_begin(dev, &conn_iter);522 drm_for_each_connector_iter(connector, &conn_iter)523 DRM_ERROR("connector %s leaked!\n", connector->name);524 drm_connector_list_iter_end(&conn_iter);525 }526 527 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,528 head) {529 drm_property_destroy(dev, property);530 }531 532 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,533 head) {534 plane->funcs->destroy(plane);535 }536 537 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {538 crtc->funcs->destroy(crtc);539 }540 541 list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list,542 head_global) {543 drm_property_blob_put(blob);544 }545 546 /*547 * Single-threaded teardown context, so it's not required to grab the548 * fb_lock to protect against concurrent fb_list access. Contrary, it549 * would actually deadlock with the drm_framebuffer_cleanup function.550 *551 * Also, if there are any framebuffers left, that's a driver leak now,552 * so politely WARN about this.553 */554 WARN_ON(!list_empty(&dev->mode_config.fb_list));555 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {556 struct drm_printer p = drm_dbg_printer(dev, DRM_UT_KMS, "[leaked fb]");557 558 drm_printf(&p, "framebuffer[%u]:\n", fb->base.id);559 drm_framebuffer_print_info(&p, 1, fb);560 drm_framebuffer_free(&fb->base.refcount);561 }562 563 ida_destroy(&dev->mode_config.connector_ida);564 idr_destroy(&dev->mode_config.tile_idr);565 idr_destroy(&dev->mode_config.object_idr);566 drm_modeset_lock_fini(&dev->mode_config.connection_mutex);567}568EXPORT_SYMBOL(drm_mode_config_cleanup);569 570static u32 full_encoder_mask(struct drm_device *dev)571{572 struct drm_encoder *encoder;573 u32 encoder_mask = 0;574 575 drm_for_each_encoder(encoder, dev)576 encoder_mask |= drm_encoder_mask(encoder);577 578 return encoder_mask;579}580 581/*582 * For some reason we want the encoder itself included in583 * possible_clones. Make life easy for drivers by allowing them584 * to leave possible_clones unset if no cloning is possible.585 */586static void fixup_encoder_possible_clones(struct drm_encoder *encoder)587{588 if (encoder->possible_clones == 0)589 encoder->possible_clones = drm_encoder_mask(encoder);590}591 592static void validate_encoder_possible_clones(struct drm_encoder *encoder)593{594 struct drm_device *dev = encoder->dev;595 u32 encoder_mask = full_encoder_mask(dev);596 struct drm_encoder *other;597 598 drm_for_each_encoder(other, dev) {599 WARN(!!(encoder->possible_clones & drm_encoder_mask(other)) !=600 !!(other->possible_clones & drm_encoder_mask(encoder)),601 "possible_clones mismatch: "602 "[ENCODER:%d:%s] mask=0x%x possible_clones=0x%x vs. "603 "[ENCODER:%d:%s] mask=0x%x possible_clones=0x%x\n",604 encoder->base.id, encoder->name,605 drm_encoder_mask(encoder), encoder->possible_clones,606 other->base.id, other->name,607 drm_encoder_mask(other), other->possible_clones);608 }609 610 WARN((encoder->possible_clones & drm_encoder_mask(encoder)) == 0 ||611 (encoder->possible_clones & ~encoder_mask) != 0,612 "Bogus possible_clones: "613 "[ENCODER:%d:%s] possible_clones=0x%x (full encoder mask=0x%x)\n",614 encoder->base.id, encoder->name,615 encoder->possible_clones, encoder_mask);616}617 618static u32 full_crtc_mask(struct drm_device *dev)619{620 struct drm_crtc *crtc;621 u32 crtc_mask = 0;622 623 drm_for_each_crtc(crtc, dev)624 crtc_mask |= drm_crtc_mask(crtc);625 626 return crtc_mask;627}628 629static void validate_encoder_possible_crtcs(struct drm_encoder *encoder)630{631 u32 crtc_mask = full_crtc_mask(encoder->dev);632 633 WARN((encoder->possible_crtcs & crtc_mask) == 0 ||634 (encoder->possible_crtcs & ~crtc_mask) != 0,635 "Bogus possible_crtcs: "636 "[ENCODER:%d:%s] possible_crtcs=0x%x (full crtc mask=0x%x)\n",637 encoder->base.id, encoder->name,638 encoder->possible_crtcs, crtc_mask);639}640 641void drm_mode_config_validate(struct drm_device *dev)642{643 struct drm_encoder *encoder;644 struct drm_crtc *crtc;645 struct drm_plane *plane;646 u32 primary_with_crtc = 0, cursor_with_crtc = 0;647 unsigned int num_primary = 0;648 649 if (!drm_core_check_feature(dev, DRIVER_MODESET))650 return;651 652 drm_for_each_encoder(encoder, dev)653 fixup_encoder_possible_clones(encoder);654 655 drm_for_each_encoder(encoder, dev) {656 validate_encoder_possible_clones(encoder);657 validate_encoder_possible_crtcs(encoder);658 }659 660 drm_for_each_crtc(crtc, dev) {661 WARN(!crtc->primary, "Missing primary plane on [CRTC:%d:%s]\n",662 crtc->base.id, crtc->name);663 664 WARN(crtc->cursor && crtc->funcs->cursor_set,665 "[CRTC:%d:%s] must not have both a cursor plane and a cursor_set func",666 crtc->base.id, crtc->name);667 WARN(crtc->cursor && crtc->funcs->cursor_set2,668 "[CRTC:%d:%s] must not have both a cursor plane and a cursor_set2 func",669 crtc->base.id, crtc->name);670 WARN(crtc->cursor && crtc->funcs->cursor_move,671 "[CRTC:%d:%s] must not have both a cursor plane and a cursor_move func",672 crtc->base.id, crtc->name);673 674 if (crtc->primary) {675 WARN(!(crtc->primary->possible_crtcs & drm_crtc_mask(crtc)),676 "Bogus primary plane possible_crtcs: [PLANE:%d:%s] must be compatible with [CRTC:%d:%s]\n",677 crtc->primary->base.id, crtc->primary->name,678 crtc->base.id, crtc->name);679 WARN(primary_with_crtc & drm_plane_mask(crtc->primary),680 "Primary plane [PLANE:%d:%s] used for multiple CRTCs",681 crtc->primary->base.id, crtc->primary->name);682 primary_with_crtc |= drm_plane_mask(crtc->primary);683 }684 if (crtc->cursor) {685 WARN(!(crtc->cursor->possible_crtcs & drm_crtc_mask(crtc)),686 "Bogus cursor plane possible_crtcs: [PLANE:%d:%s] must be compatible with [CRTC:%d:%s]\n",687 crtc->cursor->base.id, crtc->cursor->name,688 crtc->base.id, crtc->name);689 WARN(cursor_with_crtc & drm_plane_mask(crtc->cursor),690 "Cursor plane [PLANE:%d:%s] used for multiple CRTCs",691 crtc->cursor->base.id, crtc->cursor->name);692 cursor_with_crtc |= drm_plane_mask(crtc->cursor);693 }694 }695 696 drm_for_each_plane(plane, dev) {697 if (plane->type == DRM_PLANE_TYPE_PRIMARY)698 num_primary++;699 }700 701 WARN(num_primary != dev->mode_config.num_crtc,702 "Must have as many primary planes as there are CRTCs, but have %u primary planes and %u CRTCs",703 num_primary, dev->mode_config.num_crtc);704}705