32 #include <linux/dma-resv.h>
78  * drm_mode_getresources - get graphics configuration
79  * @dev: drm device for the ioctl
107 		return -EOPNOTSUPP;  in drm_mode_getresources()
109 	mutex_lock(&file_priv->fbs_lock);  in drm_mode_getresources()
111 	fb_id = u64_to_user_ptr(card_res->fb_id_ptr);  in drm_mode_getresources()
112 	list_for_each_entry(fb, &file_priv->fbs, filp_head) {  in drm_mode_getresources()
113 		if (count < card_res->count_fbs &&  in drm_mode_getresources()
114 		    put_user(fb->base.id, fb_id + count)) {  in drm_mode_getresources()
115 			mutex_unlock(&file_priv->fbs_lock);  in drm_mode_getresources()
116 			return -EFAULT;  in drm_mode_getresources()
120 	card_res->count_fbs = count;  in drm_mode_getresources()
121 	mutex_unlock(&file_priv->fbs_lock);  in drm_mode_getresources()
123 	card_res->max_height = dev->mode_config.max_height;  in drm_mode_getresources()
124 	card_res->min_height = dev->mode_config.min_height;  in drm_mode_getresources()
125 	card_res->max_width = dev->mode_config.max_width;  in drm_mode_getresources()
126 	card_res->min_width = dev->mode_config.min_width;  in drm_mode_getresources()
129 	crtc_id = u64_to_user_ptr(card_res->crtc_id_ptr);  in drm_mode_getresources()
131 		if (drm_lease_held(file_priv, crtc->base.id)) {  in drm_mode_getresources()
132 			if (count < card_res->count_crtcs &&  in drm_mode_getresources()
133 			    put_user(crtc->base.id, crtc_id + count))  in drm_mode_getresources()
134 				return -EFAULT;  in drm_mode_getresources()
138 	card_res->count_crtcs = count;  in drm_mode_getresources()
141 	encoder_id = u64_to_user_ptr(card_res->encoder_id_ptr);  in drm_mode_getresources()
143 		if (count < card_res->count_encoders &&  in drm_mode_getresources()
144 		    put_user(encoder->base.id, encoder_id + count))  in drm_mode_getresources()
145 			return -EFAULT;  in drm_mode_getresources()
148 	card_res->count_encoders = count;  in drm_mode_getresources()
152 	connector_id = u64_to_user_ptr(card_res->connector_id_ptr);  in drm_mode_getresources()
155 		if (!file_priv->writeback_connectors &&  in drm_mode_getresources()
156 		    (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK))  in drm_mode_getresources()
159 		if (drm_lease_held(file_priv, connector->base.id)) {  in drm_mode_getresources()
160 			if (count < card_res->count_connectors &&  in drm_mode_getresources()
161 			    put_user(connector->base.id, connector_id + count)) {  in drm_mode_getresources()
163 				return -EFAULT;  in drm_mode_getresources()
168 	card_res->count_connectors = count;  in drm_mode_getresources()
175  * drm_mode_config_reset - call ->reset callbacks
176  * @dev: drm device
178  * This functions calls all the crtc's, encoder's and connector's ->reset
191 		if (plane->funcs->reset)  in drm_mode_config_reset()
192 			plane->funcs->reset(plane);  in drm_mode_config_reset()
195 		if (crtc->funcs->reset)  in drm_mode_config_reset()
196 			crtc->funcs->reset(crtc);  in drm_mode_config_reset()
199 		if (encoder->funcs && encoder->funcs->reset)  in drm_mode_config_reset()
200 			encoder->funcs->reset(encoder);  in drm_mode_config_reset()
204 		if (connector->funcs->reset)  in drm_mode_config_reset()
205 			connector->funcs->reset(connector);  in drm_mode_config_reset()
215 	{ DRM_PLANE_TYPE_PRIMARY, "Primary" },
232 		return -ENOMEM;  in drm_mode_create_standard_properties()
233 	dev->mode_config.plane_type_property = prop;  in drm_mode_create_standard_properties()
238 		return -ENOMEM;  in drm_mode_create_standard_properties()
239 	dev->mode_config.prop_src_x = prop;  in drm_mode_create_standard_properties()
244 		return -ENOMEM;  in drm_mode_create_standard_properties()
245 	dev->mode_config.prop_src_y = prop;  in drm_mode_create_standard_properties()
250 		return -ENOMEM;  in drm_mode_create_standard_properties()
251 	dev->mode_config.prop_src_w = prop;  in drm_mode_create_standard_properties()
256 		return -ENOMEM;  in drm_mode_create_standard_properties()
257 	dev->mode_config.prop_src_h = prop;  in drm_mode_create_standard_properties()
262 		return -ENOMEM;  in drm_mode_create_standard_properties()
263 	dev->mode_config.prop_crtc_x = prop;  in drm_mode_create_standard_properties()
268 		return -ENOMEM;  in drm_mode_create_standard_properties()
269 	dev->mode_config.prop_crtc_y = prop;  in drm_mode_create_standard_properties()
274 		return -ENOMEM;  in drm_mode_create_standard_properties()
275 	dev->mode_config.prop_crtc_w = prop;  in drm_mode_create_standard_properties()
280 		return -ENOMEM;  in drm_mode_create_standard_properties()
281 	dev->mode_config.prop_crtc_h = prop;  in drm_mode_create_standard_properties()
286 		return -ENOMEM;  in drm_mode_create_standard_properties()
287 	dev->mode_config.prop_fb_id = prop;  in drm_mode_create_standard_properties()
290 			"IN_FENCE_FD", -1, INT_MAX);  in drm_mode_create_standard_properties()
292 		return -ENOMEM;  in drm_mode_create_standard_properties()
293 	dev->mode_config.prop_in_fence_fd = prop;  in drm_mode_create_standard_properties()
298 		return -ENOMEM;  in drm_mode_create_standard_properties()
299 	dev->mode_config.prop_out_fence_ptr = prop;  in drm_mode_create_standard_properties()
304 		return -ENOMEM;  in drm_mode_create_standard_properties()
305 	dev->mode_config.prop_crtc_id = prop;  in drm_mode_create_standard_properties()
311 		return -ENOMEM;  in drm_mode_create_standard_properties()
312 	dev->mode_config.prop_fb_damage_clips = prop;  in drm_mode_create_standard_properties()
317 		return -ENOMEM;  in drm_mode_create_standard_properties()
318 	dev->mode_config.prop_active = prop;  in drm_mode_create_standard_properties()
324 		return -ENOMEM;  in drm_mode_create_standard_properties()
325 	dev->mode_config.prop_mode_id = prop;  in drm_mode_create_standard_properties()
330 		return -ENOMEM;  in drm_mode_create_standard_properties()
331 	dev->mode_config.prop_vrr_enabled = prop;  in drm_mode_create_standard_properties()
337 		return -ENOMEM;  in drm_mode_create_standard_properties()
338 	dev->mode_config.degamma_lut_property = prop;  in drm_mode_create_standard_properties()
344 		return -ENOMEM;  in drm_mode_create_standard_properties()
345 	dev->mode_config.degamma_lut_size_property = prop;  in drm_mode_create_standard_properties()
351 		return -ENOMEM;  in drm_mode_create_standard_properties()
352 	dev->mode_config.ctm_property = prop;  in drm_mode_create_standard_properties()
358 		return -ENOMEM;  in drm_mode_create_standard_properties()
359 	dev->mode_config.gamma_lut_property = prop;  in drm_mode_create_standard_properties()
365 		return -ENOMEM;  in drm_mode_create_standard_properties()
366 	dev->mode_config.gamma_lut_size_property = prop;  in drm_mode_create_standard_properties()
372 		return -ENOMEM;  in drm_mode_create_standard_properties()
373 	dev->mode_config.modifiers_property = prop;  in drm_mode_create_standard_properties()
379 		return -ENOMEM;  in drm_mode_create_standard_properties()
380 	dev->mode_config.size_hints_property = prop;  in drm_mode_create_standard_properties()
391  * drmm_mode_config_init - managed DRM mode_configuration structure
393  * @dev: DRM device
411 	mutex_init(&dev->mode_config.mutex);  in drmm_mode_config_init()
412 	drm_modeset_lock_init(&dev->mode_config.connection_mutex);  in drmm_mode_config_init()
413 	mutex_init(&dev->mode_config.idr_mutex);  in drmm_mode_config_init()
414 	mutex_init(&dev->mode_config.fb_lock);  in drmm_mode_config_init()
415 	mutex_init(&dev->mode_config.blob_lock);  in drmm_mode_config_init()
416 	INIT_LIST_HEAD(&dev->mode_config.fb_list);  in drmm_mode_config_init()
417 	INIT_LIST_HEAD(&dev->mode_config.crtc_list);  in drmm_mode_config_init()
418 	INIT_LIST_HEAD(&dev->mode_config.connector_list);  in drmm_mode_config_init()
419 	INIT_LIST_HEAD(&dev->mode_config.encoder_list);  in drmm_mode_config_init()
420 	INIT_LIST_HEAD(&dev->mode_config.property_list);  in drmm_mode_config_init()
421 	INIT_LIST_HEAD(&dev->mode_config.property_blob_list);  in drmm_mode_config_init()
422 	INIT_LIST_HEAD(&dev->mode_config.plane_list);  in drmm_mode_config_init()
423 	INIT_LIST_HEAD(&dev->mode_config.privobj_list);  in drmm_mode_config_init()
424 	idr_init_base(&dev->mode_config.object_idr, 1);  in drmm_mode_config_init()
425 	idr_init_base(&dev->mode_config.tile_idr, 1);  in drmm_mode_config_init()
426 	ida_init(&dev->mode_config.connector_ida);  in drmm_mode_config_init()
427 	spin_lock_init(&dev->mode_config.connector_list_lock);  in drmm_mode_config_init()
429 	init_llist_head(&dev->mode_config.connector_free_list);  in drmm_mode_config_init()
430 	INIT_WORK(&dev->mode_config.connector_free_work, drm_connector_free_work_fn);  in drmm_mode_config_init()
439 	dev->mode_config.num_fb = 0;  in drmm_mode_config_init()
440 	dev->mode_config.num_connector = 0;  in drmm_mode_config_init()
441 	dev->mode_config.num_crtc = 0;  in drmm_mode_config_init()
442 	dev->mode_config.num_encoder = 0;  in drmm_mode_config_init()
443 	dev->mode_config.num_total_plane = 0;  in drmm_mode_config_init()
454 		ret = drm_modeset_lock(&dev->mode_config.connection_mutex,  in drmm_mode_config_init()
456 		if (ret == -EDEADLK)  in drmm_mode_config_init()
463 		if (ret == -EDEADLK)  in drmm_mode_config_init()
480  * drm_mode_config_cleanup - free up DRM mode_config info
481  * @dev: DRM device
483  * Free up all the connectors and CRTCs associated with this DRM device, then
486  * Note that since this /should/ happen single-threaded at driver/device
504 	list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,  in drm_mode_config_cleanup()
506 		encoder->funcs->destroy(encoder);  in drm_mode_config_cleanup()
513 		 * against unreferencing the current connector - but not against  in drm_mode_config_cleanup()
519 	flush_work(&dev->mode_config.connector_free_work);  in drm_mode_config_cleanup()
520 	if (WARN_ON(!list_empty(&dev->mode_config.connector_list))) {  in drm_mode_config_cleanup()
523 			DRM_ERROR("connector %s leaked!\n", connector->name);  in drm_mode_config_cleanup()
527 	list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,  in drm_mode_config_cleanup()
532 	list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,  in drm_mode_config_cleanup()
534 		plane->funcs->destroy(plane);  in drm_mode_config_cleanup()
537 	list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {  in drm_mode_config_cleanup()
538 		crtc->funcs->destroy(crtc);  in drm_mode_config_cleanup()
541 	list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list,  in drm_mode_config_cleanup()
547 	 * Single-threaded teardown context, so it's not required to grab the  in drm_mode_config_cleanup()
554 	WARN_ON(!list_empty(&dev->mode_config.fb_list));  in drm_mode_config_cleanup()
555 	list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {  in drm_mode_config_cleanup()
558 		drm_printf(&p, "framebuffer[%u]:\n", fb->base.id);  in drm_mode_config_cleanup()
560 		drm_framebuffer_free(&fb->base.refcount);  in drm_mode_config_cleanup()
563 	ida_destroy(&dev->mode_config.connector_ida);  in drm_mode_config_cleanup()
564 	idr_destroy(&dev->mode_config.tile_idr);  in drm_mode_config_cleanup()
565 	idr_destroy(&dev->mode_config.object_idr);  in drm_mode_config_cleanup()
566 	drm_modeset_lock_fini(&dev->mode_config.connection_mutex);  in drm_mode_config_cleanup()
588 	if (encoder->possible_clones == 0)  in fixup_encoder_possible_clones()
589 		encoder->possible_clones = drm_encoder_mask(encoder);  in fixup_encoder_possible_clones()
594 	struct drm_device *dev = encoder->dev;  in validate_encoder_possible_clones()
599 		WARN(!!(encoder->possible_clones & drm_encoder_mask(other)) !=  in validate_encoder_possible_clones()
600 		     !!(other->possible_clones & drm_encoder_mask(encoder)),  in validate_encoder_possible_clones()
604 		     encoder->base.id, encoder->name,  in validate_encoder_possible_clones()
605 		     drm_encoder_mask(encoder), encoder->possible_clones,  in validate_encoder_possible_clones()
606 		     other->base.id, other->name,  in validate_encoder_possible_clones()
607 		     drm_encoder_mask(other), other->possible_clones);  in validate_encoder_possible_clones()
610 	WARN((encoder->possible_clones & drm_encoder_mask(encoder)) == 0 ||  in validate_encoder_possible_clones()
611 	     (encoder->possible_clones & ~encoder_mask) != 0,  in validate_encoder_possible_clones()
614 	     encoder->base.id, encoder->name,  in validate_encoder_possible_clones()
615 	     encoder->possible_clones, encoder_mask);  in validate_encoder_possible_clones()
631 	u32 crtc_mask = full_crtc_mask(encoder->dev);  in validate_encoder_possible_crtcs()
633 	WARN((encoder->possible_crtcs & crtc_mask) == 0 ||  in validate_encoder_possible_crtcs()
634 	     (encoder->possible_crtcs & ~crtc_mask) != 0,  in validate_encoder_possible_crtcs()
637 	     encoder->base.id, encoder->name,  in validate_encoder_possible_crtcs()
638 	     encoder->possible_crtcs, crtc_mask);  in validate_encoder_possible_crtcs()
661 		WARN(!crtc->primary, "Missing primary plane on [CRTC:%d:%s]\n",  in drm_mode_config_validate()
662 		     crtc->base.id, crtc->name);  in drm_mode_config_validate()
664 		WARN(crtc->cursor && crtc->funcs->cursor_set,  in drm_mode_config_validate()
666 		     crtc->base.id, crtc->name);  in drm_mode_config_validate()
667 		WARN(crtc->cursor && crtc->funcs->cursor_set2,  in drm_mode_config_validate()
669 		     crtc->base.id, crtc->name);  in drm_mode_config_validate()
670 		WARN(crtc->cursor && crtc->funcs->cursor_move,  in drm_mode_config_validate()
672 		     crtc->base.id, crtc->name);  in drm_mode_config_validate()
674 		if (crtc->primary) {  in drm_mode_config_validate()
675 			WARN(!(crtc->primary->possible_crtcs & drm_crtc_mask(crtc)),  in drm_mode_config_validate()
676 			     "Bogus primary plane possible_crtcs: [PLANE:%d:%s] must be compatible with [CRTC:%d:%s]\n",  in drm_mode_config_validate()
677 			     crtc->primary->base.id, crtc->primary->name,  in drm_mode_config_validate()
678 			     crtc->base.id, crtc->name);  in drm_mode_config_validate()
679 			WARN(primary_with_crtc & drm_plane_mask(crtc->primary),  in drm_mode_config_validate()
680 			     "Primary plane [PLANE:%d:%s] used for multiple CRTCs",  in drm_mode_config_validate()
681 			     crtc->primary->base.id, crtc->primary->name);  in drm_mode_config_validate()
682 			primary_with_crtc |= drm_plane_mask(crtc->primary);  in drm_mode_config_validate()
684 		if (crtc->cursor) {  in drm_mode_config_validate()
685 			WARN(!(crtc->cursor->possible_crtcs & drm_crtc_mask(crtc)),  in drm_mode_config_validate()
687 			     crtc->cursor->base.id, crtc->cursor->name,  in drm_mode_config_validate()
688 			     crtc->base.id, crtc->name);  in drm_mode_config_validate()
689 			WARN(cursor_with_crtc & drm_plane_mask(crtc->cursor),  in drm_mode_config_validate()
691 			     crtc->cursor->base.id, crtc->cursor->name);  in drm_mode_config_validate()
692 			cursor_with_crtc |= drm_plane_mask(crtc->cursor);  in drm_mode_config_validate()
697 		if (plane->type == DRM_PLANE_TYPE_PRIMARY)  in drm_mode_config_validate()
701 	WARN(num_primary != dev->mode_config.num_crtc,  in drm_mode_config_validate()
702 …    "Must have as many primary planes as there are CRTCs, but have %u primary planes and %u CRTCs",  in drm_mode_config_validate()
703 	     num_primary, dev->mode_config.num_crtc);  in drm_mode_config_validate()