128 	struct drm_device *dev = master->minor->dev;  in drm_master_destroy()  local
131 	mutex_lock(&dev->struct_mutex);  in drm_master_destroy()
132 	if (dev->driver->master_destroy)  in drm_master_destroy()
133 		dev->driver->master_destroy(dev, master);  in drm_master_destroy()
135 	list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) {  in drm_master_destroy()
137 			drm_legacy_rmmap_locked(dev, r_list->map);  in drm_master_destroy()
150 	mutex_unlock(&dev->struct_mutex);  in drm_master_destroy()
161 int drm_setmaster_ioctl(struct drm_device *dev, void *data,  in drm_setmaster_ioctl()  argument
166 	mutex_lock(&dev->master_mutex);  in drm_setmaster_ioctl()
182 	if (dev->driver->master_set) {  in drm_setmaster_ioctl()
183 		ret = dev->driver->master_set(dev, file_priv, false);  in drm_setmaster_ioctl()
191 	mutex_unlock(&dev->master_mutex);  in drm_setmaster_ioctl()
195 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,  in drm_dropmaster_ioctl()  argument
200 	mutex_lock(&dev->master_mutex);  in drm_dropmaster_ioctl()
208 	if (dev->driver->master_drop)  in drm_dropmaster_ioctl()
209 		dev->driver->master_drop(dev, file_priv, false);  in drm_dropmaster_ioctl()
214 	mutex_unlock(&dev->master_mutex);  in drm_dropmaster_ioctl()
231 static struct drm_minor **drm_minor_get_slot(struct drm_device *dev,  in drm_minor_get_slot()  argument
236 		return &dev->primary;  in drm_minor_get_slot()
238 		return &dev->render;  in drm_minor_get_slot()
240 		return &dev->control;  in drm_minor_get_slot()
246 static int drm_minor_alloc(struct drm_device *dev, unsigned int type)  in drm_minor_alloc()  argument
257 	minor->dev = dev;  in drm_minor_alloc()
280 	*drm_minor_get_slot(dev, type) = minor;  in drm_minor_alloc()
292 static void drm_minor_free(struct drm_device *dev, unsigned int type)  in drm_minor_free()  argument
297 	slot = drm_minor_get_slot(dev, type);  in drm_minor_free()
313 static int drm_minor_register(struct drm_device *dev, unsigned int type)  in drm_minor_register()  argument
321 	minor = *drm_minor_get_slot(dev, type);  in drm_minor_register()
348 static void drm_minor_unregister(struct drm_device *dev, unsigned int type)  in drm_minor_unregister()  argument
353 	minor = *drm_minor_get_slot(dev, type);  in drm_minor_unregister()
391 		drm_dev_ref(minor->dev);  in drm_minor_acquire()
396 	} else if (drm_device_is_unplugged(minor->dev)) {  in drm_minor_acquire()
397 		drm_dev_unref(minor->dev);  in drm_minor_acquire()
412 	drm_dev_unref(minor->dev);  in drm_minor_release()
426 void drm_put_dev(struct drm_device *dev)  in drm_put_dev()  argument
430 	if (!dev) {  in drm_put_dev()
435 	drm_dev_unregister(dev);  in drm_put_dev()
436 	drm_dev_unref(dev);  in drm_put_dev()
440 void drm_unplug_dev(struct drm_device *dev)  in drm_unplug_dev()  argument
443 	drm_minor_unregister(dev, DRM_MINOR_LEGACY);  in drm_unplug_dev()
444 	drm_minor_unregister(dev, DRM_MINOR_RENDER);  in drm_unplug_dev()
445 	drm_minor_unregister(dev, DRM_MINOR_CONTROL);  in drm_unplug_dev()
449 	drm_device_set_unplugged(dev);  in drm_unplug_dev()
451 	if (dev->open_count == 0) {  in drm_unplug_dev()
452 		drm_put_dev(dev);  in drm_unplug_dev()
550 	struct drm_device *dev;  in drm_dev_alloc()  local
553 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);  in drm_dev_alloc()
554 	if (!dev)  in drm_dev_alloc()
557 	kref_init(&dev->ref);  in drm_dev_alloc()
558 	dev->dev = parent;  in drm_dev_alloc()
559 	dev->driver = driver;  in drm_dev_alloc()
561 	INIT_LIST_HEAD(&dev->filelist);  in drm_dev_alloc()
562 	INIT_LIST_HEAD(&dev->ctxlist);  in drm_dev_alloc()
563 	INIT_LIST_HEAD(&dev->vmalist);  in drm_dev_alloc()
564 	INIT_LIST_HEAD(&dev->maplist);  in drm_dev_alloc()
565 	INIT_LIST_HEAD(&dev->vblank_event_list);  in drm_dev_alloc()
567 	spin_lock_init(&dev->buf_lock);  in drm_dev_alloc()
568 	spin_lock_init(&dev->event_lock);  in drm_dev_alloc()
569 	mutex_init(&dev->struct_mutex);  in drm_dev_alloc()
570 	mutex_init(&dev->ctxlist_mutex);  in drm_dev_alloc()
571 	mutex_init(&dev->master_mutex);  in drm_dev_alloc()
573 	dev->anon_inode = drm_fs_inode_new();  in drm_dev_alloc()
574 	if (IS_ERR(dev->anon_inode)) {  in drm_dev_alloc()
575 		ret = PTR_ERR(dev->anon_inode);  in drm_dev_alloc()
580 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {  in drm_dev_alloc()
581 		ret = drm_minor_alloc(dev, DRM_MINOR_CONTROL);  in drm_dev_alloc()
586 	if (drm_core_check_feature(dev, DRIVER_RENDER)) {  in drm_dev_alloc()
587 		ret = drm_minor_alloc(dev, DRM_MINOR_RENDER);  in drm_dev_alloc()
592 	ret = drm_minor_alloc(dev, DRM_MINOR_LEGACY);  in drm_dev_alloc()
596 	if (drm_ht_create(&dev->map_hash, 12))  in drm_dev_alloc()
599 	ret = drm_legacy_ctxbitmap_init(dev);  in drm_dev_alloc()
605 	if (drm_core_check_feature(dev, DRIVER_GEM)) {  in drm_dev_alloc()
606 		ret = drm_gem_init(dev);  in drm_dev_alloc()
613 	return dev;  in drm_dev_alloc()
616 	drm_legacy_ctxbitmap_cleanup(dev);  in drm_dev_alloc()
618 	drm_ht_remove(&dev->map_hash);  in drm_dev_alloc()
620 	drm_minor_free(dev, DRM_MINOR_LEGACY);  in drm_dev_alloc()
621 	drm_minor_free(dev, DRM_MINOR_RENDER);  in drm_dev_alloc()
622 	drm_minor_free(dev, DRM_MINOR_CONTROL);  in drm_dev_alloc()
623 	drm_fs_inode_free(dev->anon_inode);  in drm_dev_alloc()
625 	mutex_destroy(&dev->master_mutex);  in drm_dev_alloc()
626 	kfree(dev);  in drm_dev_alloc()
633 	struct drm_device *dev = container_of(ref, struct drm_device, ref);  in drm_dev_release()  local
635 	if (drm_core_check_feature(dev, DRIVER_GEM))  in drm_dev_release()
636 		drm_gem_destroy(dev);  in drm_dev_release()
638 	drm_legacy_ctxbitmap_cleanup(dev);  in drm_dev_release()
639 	drm_ht_remove(&dev->map_hash);  in drm_dev_release()
640 	drm_fs_inode_free(dev->anon_inode);  in drm_dev_release()
642 	drm_minor_free(dev, DRM_MINOR_LEGACY);  in drm_dev_release()
643 	drm_minor_free(dev, DRM_MINOR_RENDER);  in drm_dev_release()
644 	drm_minor_free(dev, DRM_MINOR_CONTROL);  in drm_dev_release()
646 	mutex_destroy(&dev->master_mutex);  in drm_dev_release()
647 	kfree(dev->unique);  in drm_dev_release()
648 	kfree(dev);  in drm_dev_release()
663 void drm_dev_ref(struct drm_device *dev)  in drm_dev_ref()  argument
665 	if (dev)  in drm_dev_ref()
666 		kref_get(&dev->ref);  in drm_dev_ref()
677 void drm_dev_unref(struct drm_device *dev)  in drm_dev_unref()  argument
679 	if (dev)  in drm_dev_unref()
680 		kref_put(&dev->ref, drm_dev_release);  in drm_dev_unref()
698 int drm_dev_register(struct drm_device *dev, unsigned long flags)  in drm_dev_register()  argument
704 	ret = drm_minor_register(dev, DRM_MINOR_CONTROL);  in drm_dev_register()
708 	ret = drm_minor_register(dev, DRM_MINOR_RENDER);  in drm_dev_register()
712 	ret = drm_minor_register(dev, DRM_MINOR_LEGACY);  in drm_dev_register()
716 	if (dev->driver->load) {  in drm_dev_register()
717 		ret = dev->driver->load(dev, flags);  in drm_dev_register()
723 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {  in drm_dev_register()
724 		ret = drm_mode_group_init_legacy_group(dev,  in drm_dev_register()
725 				&dev->primary->mode_group);  in drm_dev_register()
734 	if (dev->driver->unload)  in drm_dev_register()
735 		dev->driver->unload(dev);  in drm_dev_register()
737 	drm_minor_unregister(dev, DRM_MINOR_LEGACY);  in drm_dev_register()
738 	drm_minor_unregister(dev, DRM_MINOR_RENDER);  in drm_dev_register()
739 	drm_minor_unregister(dev, DRM_MINOR_CONTROL);  in drm_dev_register()
754 void drm_dev_unregister(struct drm_device *dev)  in drm_dev_unregister()  argument
758 	drm_lastclose(dev);  in drm_dev_unregister()
760 	if (dev->driver->unload)  in drm_dev_unregister()
761 		dev->driver->unload(dev);  in drm_dev_unregister()
763 	if (dev->agp)  in drm_dev_unregister()
764 		drm_pci_agp_destroy(dev);  in drm_dev_unregister()
766 	drm_vblank_cleanup(dev);  in drm_dev_unregister()
768 	list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)  in drm_dev_unregister()
769 		drm_legacy_rmmap(dev, r_list->map);  in drm_dev_unregister()
771 	drm_minor_unregister(dev, DRM_MINOR_LEGACY);  in drm_dev_unregister()
772 	drm_minor_unregister(dev, DRM_MINOR_RENDER);  in drm_dev_unregister()
773 	drm_minor_unregister(dev, DRM_MINOR_CONTROL);  in drm_dev_unregister()
788 int drm_dev_set_unique(struct drm_device *dev, const char *fmt, ...)  in drm_dev_set_unique()  argument
792 	kfree(dev->unique);  in drm_dev_set_unique()
795 	dev->unique = kvasprintf(GFP_KERNEL, fmt, ap);  in drm_dev_set_unique()
798 	return dev->unique ? 0 : -ENOMEM;  in drm_dev_set_unique()
837 	new_fops = fops_get(minor->dev->driver->fops);  in drm_stub_open()