55 bool drm_dev_needs_global_mutex(struct drm_device *dev)  in drm_dev_needs_global_mutex()  argument
62 	if (drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_dev_needs_global_mutex()
71 	if (dev->driver->load || dev->driver->unload)  in drm_dev_needs_global_mutex()
80 	if (dev->driver->lastclose)  in drm_dev_needs_global_mutex()
153 	struct drm_device *dev = minor->dev;  in drm_file_alloc()  local
181 	if (drm_core_check_feature(dev, DRIVER_GEM))  in drm_file_alloc()
182 		drm_gem_open(dev, file);  in drm_file_alloc()
184 	if (drm_core_check_feature(dev, DRIVER_SYNCOBJ))  in drm_file_alloc()
189 	if (dev->driver->open) {  in drm_file_alloc()
190 		ret = dev->driver->open(dev, file);  in drm_file_alloc()
199 	if (drm_core_check_feature(dev, DRIVER_SYNCOBJ))  in drm_file_alloc()
201 	if (drm_core_check_feature(dev, DRIVER_GEM))  in drm_file_alloc()
202 		drm_gem_release(dev, file);  in drm_file_alloc()
211 	struct drm_device *dev = file_priv->minor->dev;  in drm_events_release()  local
215 	spin_lock_irqsave(&dev->event_lock, flags);  in drm_events_release()
230 	spin_unlock_irqrestore(&dev->event_lock, flags);  in drm_events_release()
245 	struct drm_device *dev;  in drm_file_free()  local
250 	dev = file->minor->dev;  in drm_file_free()
252 	drm_dbg_core(dev, "comm=\"%s\", pid=%d, dev=0x%lx, open_count=%d\n",  in drm_file_free()
255 		     atomic_read(&dev->open_count));  in drm_file_free()
258 	if (drm_core_check_feature(dev, DRIVER_LEGACY) &&  in drm_file_free()
259 	    dev->driver->preclose)  in drm_file_free()
260 		dev->driver->preclose(dev, file);  in drm_file_free()
263 	if (drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_file_free()
264 		drm_legacy_lock_release(dev, file->filp);  in drm_file_free()
266 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))  in drm_file_free()
267 		drm_legacy_reclaim_buffers(dev, file);  in drm_file_free()
271 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {  in drm_file_free()
273 		drm_property_destroy_user_blobs(dev, file);  in drm_file_free()
276 	if (drm_core_check_feature(dev, DRIVER_SYNCOBJ))  in drm_file_free()
279 	if (drm_core_check_feature(dev, DRIVER_GEM))  in drm_file_free()
280 		drm_gem_release(dev, file);  in drm_file_free()
282 	drm_legacy_ctxbitmap_flush(dev, file);  in drm_file_free()
287 	if (dev->driver->postclose)  in drm_file_free()
288 		dev->driver->postclose(dev, file);  in drm_file_free()
301 	struct drm_device *dev = file_priv->minor->dev;  in drm_close_helper()  local
303 	mutex_lock(&dev->filelist_mutex);  in drm_close_helper()
305 	mutex_unlock(&dev->filelist_mutex);  in drm_close_helper()
335 	struct drm_device *dev = minor->dev;  in drm_open_helper()  local
343 	if (dev->switch_power_state != DRM_SWITCH_POWER_ON &&  in drm_open_helper()
344 	    dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF)  in drm_open_helper()
347 	drm_dbg_core(dev, "comm=\"%s\", pid=%d, minor=%d\n",  in drm_open_helper()
366 	mutex_lock(&dev->filelist_mutex);  in drm_open_helper()
367 	list_add(&priv->lhead, &dev->filelist);  in drm_open_helper()
368 	mutex_unlock(&dev->filelist_mutex);  in drm_open_helper()
375 	if (!dev->hose) {  in drm_open_helper()
380 			dev->hose = pci_dev->sysdata;  in drm_open_helper()
383 		if (!dev->hose) {  in drm_open_helper()
387 				dev->hose = b->sysdata;  in drm_open_helper()
411 	struct drm_device *dev;  in drm_open()  local
420 	dev = minor->dev;  in drm_open()
421 	if (drm_dev_needs_global_mutex(dev))  in drm_open()
424 	if (!atomic_fetch_inc(&dev->open_count))  in drm_open()
428 	filp->f_mapping = dev->anon_inode->i_mapping;  in drm_open()
434 		retcode = drm_legacy_setup(dev);  in drm_open()
441 	if (drm_dev_needs_global_mutex(dev))  in drm_open()
447 	atomic_dec(&dev->open_count);  in drm_open()
448 	if (drm_dev_needs_global_mutex(dev))  in drm_open()
455 void drm_lastclose(struct drm_device * dev)  in drm_lastclose()  argument
457 	drm_dbg_core(dev, "\n");  in drm_lastclose()
459 	if (dev->driver->lastclose)  in drm_lastclose()
460 		dev->driver->lastclose(dev);  in drm_lastclose()
461 	drm_dbg_core(dev, "driver lastclose completed\n");  in drm_lastclose()
463 	if (drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_lastclose()
464 		drm_legacy_dev_reinit(dev);  in drm_lastclose()
466 	drm_client_dev_restore(dev);  in drm_lastclose()
487 	struct drm_device *dev = minor->dev;  in drm_release()  local
489 	if (drm_dev_needs_global_mutex(dev))  in drm_release()
492 	drm_dbg_core(dev, "open_count = %d\n", atomic_read(&dev->open_count));  in drm_release()
496 	if (atomic_dec_and_test(&dev->open_count))  in drm_release()
497 		drm_lastclose(dev);  in drm_release()
499 	if (drm_dev_needs_global_mutex(dev))  in drm_release()
510 	struct drm_device *dev;  in drm_file_update_pid()  local
530 	dev = filp->minor->dev;  in drm_file_update_pid()
531 	mutex_lock(&dev->filelist_mutex);  in drm_file_update_pid()
534 	mutex_unlock(&dev->filelist_mutex);  in drm_file_update_pid()
559 	struct drm_device *dev = minor->dev;  in drm_release_noglobal()  local
563 	if (atomic_dec_and_mutex_lock(&dev->open_count, &drm_global_mutex)) {  in drm_release_noglobal()
564 		drm_lastclose(dev);  in drm_release_noglobal()
603 	struct drm_device *dev = file_priv->minor->dev;  in drm_read()  local
613 		spin_lock_irq(&dev->event_lock);  in drm_read()
620 		spin_unlock_irq(&dev->event_lock);  in drm_read()
643 				spin_lock_irq(&dev->event_lock);  in drm_read()
646 				spin_unlock_irq(&dev->event_lock);  in drm_read()
722 int drm_event_reserve_init_locked(struct drm_device *dev,  in drm_event_reserve_init_locked()  argument
764 int drm_event_reserve_init(struct drm_device *dev,  in drm_event_reserve_init()  argument
772 	spin_lock_irqsave(&dev->event_lock, flags);  in drm_event_reserve_init()
773 	ret = drm_event_reserve_init_locked(dev, file_priv, p, e);  in drm_event_reserve_init()
774 	spin_unlock_irqrestore(&dev->event_lock, flags);  in drm_event_reserve_init()
789 void drm_event_cancel_free(struct drm_device *dev,  in drm_event_cancel_free()  argument
794 	spin_lock_irqsave(&dev->event_lock, flags);  in drm_event_cancel_free()
799 	spin_unlock_irqrestore(&dev->event_lock, flags);  in drm_event_cancel_free()
808 static void drm_send_event_helper(struct drm_device *dev,  in drm_send_event_helper()  argument
811 	assert_spin_locked(&dev->event_lock);  in drm_send_event_helper()
855 void drm_send_event_timestamp_locked(struct drm_device *dev,  in drm_send_event_timestamp_locked()  argument
858 	drm_send_event_helper(dev, e, timestamp);  in drm_send_event_timestamp_locked()
876 void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e)  in drm_send_event_locked()  argument
878 	drm_send_event_helper(dev, e, 0);  in drm_send_event_locked()
897 void drm_send_event(struct drm_device *dev, struct drm_pending_event *e)  in drm_send_event()  argument
901 	spin_lock_irqsave(&dev->event_lock, irqflags);  in drm_send_event()
902 	drm_send_event_helper(dev, e, 0);  in drm_send_event()
903 	spin_unlock_irqrestore(&dev->event_lock, irqflags);  in drm_send_event()
1016 	struct drm_device *dev = file->minor->dev;  in drm_show_fdinfo()  local
1019 	drm_printf(&p, "drm-driver:\t%s\n", dev->driver->name);  in drm_show_fdinfo()
1022 	if (dev_is_pci(dev->dev)) {  in drm_show_fdinfo()
1023 		struct pci_dev *pdev = to_pci_dev(dev->dev);  in drm_show_fdinfo()
1030 	if (dev->driver->show_fdinfo)  in drm_show_fdinfo()
1031 		dev->driver->show_fdinfo(&p, file);  in drm_show_fdinfo()
1051 	struct drm_device *dev = minor->dev;  in mock_drm_getfile()  local
1059 	file = anon_inode_getfile("drm", dev->driver->fops, priv, flags);  in mock_drm_getfile()
1066 	file->f_mapping = dev->anon_inode->i_mapping;  in mock_drm_getfile()
1068 	drm_dev_get(dev);  in mock_drm_getfile()