86 static struct drm_minor **drm_minor_get_slot(struct drm_device *dev,  in drm_minor_get_slot()  argument
91 		return &dev->primary;  in drm_minor_get_slot()
93 		return &dev->render;  in drm_minor_get_slot()
95 		return &dev->accel;  in drm_minor_get_slot()
101 static void drm_minor_alloc_release(struct drm_device *dev, void *data)  in drm_minor_alloc_release()  argument
106 	WARN_ON(dev != minor->dev);  in drm_minor_alloc_release()
119 static int drm_minor_alloc(struct drm_device *dev, enum drm_minor_type type)  in drm_minor_alloc()  argument
125 	minor = drmm_kzalloc(dev, sizeof(*minor), GFP_KERNEL);  in drm_minor_alloc()
130 	minor->dev = dev;  in drm_minor_alloc()
151 	r = drmm_add_action_or_reset(dev, drm_minor_alloc_release, minor);  in drm_minor_alloc()
159 	*drm_minor_get_slot(dev, type) = minor;  in drm_minor_alloc()
163 static int drm_minor_register(struct drm_device *dev, enum drm_minor_type type)  in drm_minor_register()  argument
171 	minor = *drm_minor_get_slot(dev, type);  in drm_minor_register()
206 static void drm_minor_unregister(struct drm_device *dev, enum drm_minor_type type)  in drm_minor_unregister()  argument
211 	minor = *drm_minor_get_slot(dev, type);  in drm_minor_unregister()
246 		drm_dev_get(minor->dev);  in drm_minor_acquire()
251 	} else if (drm_dev_is_unplugged(minor->dev)) {  in drm_minor_acquire()
252 		drm_dev_put(minor->dev);  in drm_minor_acquire()
261 	drm_dev_put(minor->dev);  in drm_minor_release()
423 void drm_put_dev(struct drm_device *dev)  in drm_put_dev()  argument
427 	if (!dev) {  in drm_put_dev()
432 	drm_dev_unregister(dev);  in drm_put_dev()
433 	drm_dev_put(dev);  in drm_put_dev()
449 bool drm_dev_enter(struct drm_device *dev, int *idx)  in drm_dev_enter()  argument
453 	if (dev->unplugged) {  in drm_dev_enter()
485 void drm_dev_unplug(struct drm_device *dev)  in drm_dev_unplug()  argument
493 	dev->unplugged = true;  in drm_dev_unplug()
496 	drm_dev_unregister(dev);  in drm_dev_unplug()
499 	unmap_mapping_range(dev->anon_inode->i_mapping, 0, 0, 1);  in drm_dev_unplug()
587 static void drm_dev_init_release(struct drm_device *dev, void *res)  in drm_dev_init_release()  argument
589 	drm_legacy_ctxbitmap_cleanup(dev);  in drm_dev_init_release()
590 	drm_legacy_remove_map_hash(dev);  in drm_dev_init_release()
591 	drm_fs_inode_free(dev->anon_inode);  in drm_dev_init_release()
593 	put_device(dev->dev);  in drm_dev_init_release()
596 	dev->dev = NULL;  in drm_dev_init_release()
597 	mutex_destroy(&dev->master_mutex);  in drm_dev_init_release()
598 	mutex_destroy(&dev->clientlist_mutex);  in drm_dev_init_release()
599 	mutex_destroy(&dev->filelist_mutex);  in drm_dev_init_release()
600 	mutex_destroy(&dev->struct_mutex);  in drm_dev_init_release()
601 	mutex_destroy(&dev->debugfs_mutex);  in drm_dev_init_release()
602 	drm_legacy_destroy_members(dev);  in drm_dev_init_release()
605 static int drm_dev_init(struct drm_device *dev,  in drm_dev_init()  argument
620 	kref_init(&dev->ref);  in drm_dev_init()
621 	dev->dev = get_device(parent);  in drm_dev_init()
622 	dev->driver = driver;  in drm_dev_init()
624 	INIT_LIST_HEAD(&dev->managed.resources);  in drm_dev_init()
625 	spin_lock_init(&dev->managed.lock);  in drm_dev_init()
628 	dev->driver_features = ~0u;  in drm_dev_init()
630 	if (drm_core_check_feature(dev, DRIVER_COMPUTE_ACCEL) &&  in drm_dev_init()
631 				(drm_core_check_feature(dev, DRIVER_RENDER) ||  in drm_dev_init()
632 				drm_core_check_feature(dev, DRIVER_MODESET))) {  in drm_dev_init()
637 	drm_legacy_init_members(dev);  in drm_dev_init()
638 	INIT_LIST_HEAD(&dev->filelist);  in drm_dev_init()
639 	INIT_LIST_HEAD(&dev->filelist_internal);  in drm_dev_init()
640 	INIT_LIST_HEAD(&dev->clientlist);  in drm_dev_init()
641 	INIT_LIST_HEAD(&dev->vblank_event_list);  in drm_dev_init()
642 	INIT_LIST_HEAD(&dev->debugfs_list);  in drm_dev_init()
644 	spin_lock_init(&dev->event_lock);  in drm_dev_init()
645 	mutex_init(&dev->struct_mutex);  in drm_dev_init()
646 	mutex_init(&dev->filelist_mutex);  in drm_dev_init()
647 	mutex_init(&dev->clientlist_mutex);  in drm_dev_init()
648 	mutex_init(&dev->master_mutex);  in drm_dev_init()
649 	mutex_init(&dev->debugfs_mutex);  in drm_dev_init()
651 	ret = drmm_add_action_or_reset(dev, drm_dev_init_release, NULL);  in drm_dev_init()
662 	dev->anon_inode = inode;  in drm_dev_init()
664 	if (drm_core_check_feature(dev, DRIVER_COMPUTE_ACCEL)) {  in drm_dev_init()
665 		ret = drm_minor_alloc(dev, DRM_MINOR_ACCEL);  in drm_dev_init()
669 		if (drm_core_check_feature(dev, DRIVER_RENDER)) {  in drm_dev_init()
670 			ret = drm_minor_alloc(dev, DRM_MINOR_RENDER);  in drm_dev_init()
675 		ret = drm_minor_alloc(dev, DRM_MINOR_PRIMARY);  in drm_dev_init()
680 	ret = drm_legacy_create_map_hash(dev);  in drm_dev_init()
684 	drm_legacy_ctxbitmap_init(dev);  in drm_dev_init()
686 	if (drm_core_check_feature(dev, DRIVER_GEM)) {  in drm_dev_init()
687 		ret = drm_gem_init(dev);  in drm_dev_init()
694 	dev->unique = drmm_kstrdup(dev, dev_name(parent), GFP_KERNEL);  in drm_dev_init()
695 	if (!dev->unique) {  in drm_dev_init()
703 	drm_managed_release(dev);  in drm_dev_init()
714 			     struct drm_device *dev,  in devm_drm_dev_init()  argument
719 	ret = drm_dev_init(dev, driver, parent);  in devm_drm_dev_init()
724 					devm_drm_dev_init_release, dev);  in devm_drm_dev_init()
766 	struct drm_device *dev;  in drm_dev_alloc()  local
769 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);  in drm_dev_alloc()
770 	if (!dev)  in drm_dev_alloc()
773 	ret = drm_dev_init(dev, driver, parent);  in drm_dev_alloc()
775 		kfree(dev);  in drm_dev_alloc()
779 	drmm_add_final_kfree(dev, dev);  in drm_dev_alloc()
781 	return dev;  in drm_dev_alloc()
787 	struct drm_device *dev = container_of(ref, struct drm_device, ref);  in drm_dev_release()  local
789 	if (dev->driver->release)  in drm_dev_release()
790 		dev->driver->release(dev);  in drm_dev_release()
792 	drm_managed_release(dev);  in drm_dev_release()
794 	kfree(dev->managed.final_kfree);  in drm_dev_release()
809 void drm_dev_get(struct drm_device *dev)  in drm_dev_get()  argument
811 	if (dev)  in drm_dev_get()
812 		kref_get(&dev->ref);  in drm_dev_get()
823 void drm_dev_put(struct drm_device *dev)  in drm_dev_put()  argument
825 	if (dev)  in drm_dev_put()
826 		kref_put(&dev->ref, drm_dev_release);  in drm_dev_put()
830 static int create_compat_control_link(struct drm_device *dev)  in create_compat_control_link()  argument
836 	if (!drm_core_check_feature(dev, DRIVER_MODESET))  in create_compat_control_link()
839 	minor = *drm_minor_get_slot(dev, DRM_MINOR_PRIMARY);  in create_compat_control_link()
865 static void remove_compat_control_link(struct drm_device *dev)  in remove_compat_control_link()  argument
870 	if (!drm_core_check_feature(dev, DRIVER_MODESET))  in remove_compat_control_link()
873 	minor = *drm_minor_get_slot(dev, DRM_MINOR_PRIMARY);  in remove_compat_control_link()
906 int drm_dev_register(struct drm_device *dev, unsigned long flags)  in drm_dev_register()  argument
908 	const struct drm_driver *driver = dev->driver;  in drm_dev_register()
912 		drm_mode_config_validate(dev);  in drm_dev_register()
914 	WARN_ON(!dev->managed.final_kfree);  in drm_dev_register()
916 	if (drm_dev_needs_global_mutex(dev))  in drm_dev_register()
919 	ret = drm_minor_register(dev, DRM_MINOR_RENDER);  in drm_dev_register()
923 	ret = drm_minor_register(dev, DRM_MINOR_PRIMARY);  in drm_dev_register()
927 	ret = drm_minor_register(dev, DRM_MINOR_ACCEL);  in drm_dev_register()
931 	ret = create_compat_control_link(dev);  in drm_dev_register()
935 	dev->registered = true;  in drm_dev_register()
938 		ret = driver->load(dev, flags);  in drm_dev_register()
943 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {  in drm_dev_register()
944 		ret = drm_modeset_register_all(dev);  in drm_dev_register()
952 		 dev->dev ? dev_name(dev->dev) : "virtual device",  in drm_dev_register()
953 		 dev->primary ? dev->primary->index : dev->accel->index);  in drm_dev_register()
958 	if (dev->driver->unload)  in drm_dev_register()
959 		dev->driver->unload(dev);  in drm_dev_register()
961 	remove_compat_control_link(dev);  in drm_dev_register()
962 	drm_minor_unregister(dev, DRM_MINOR_ACCEL);  in drm_dev_register()
963 	drm_minor_unregister(dev, DRM_MINOR_PRIMARY);  in drm_dev_register()
964 	drm_minor_unregister(dev, DRM_MINOR_RENDER);  in drm_dev_register()
966 	if (drm_dev_needs_global_mutex(dev))  in drm_dev_register()
988 void drm_dev_unregister(struct drm_device *dev)  in drm_dev_unregister()  argument
990 	if (drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_dev_unregister()
991 		drm_lastclose(dev);  in drm_dev_unregister()
993 	dev->registered = false;  in drm_dev_unregister()
995 	drm_client_dev_unregister(dev);  in drm_dev_unregister()
997 	if (drm_core_check_feature(dev, DRIVER_MODESET))  in drm_dev_unregister()
998 		drm_modeset_unregister_all(dev);  in drm_dev_unregister()
1000 	if (dev->driver->unload)  in drm_dev_unregister()
1001 		dev->driver->unload(dev);  in drm_dev_unregister()
1003 	drm_legacy_pci_agp_destroy(dev);  in drm_dev_unregister()
1004 	drm_legacy_rmmaps(dev);  in drm_dev_unregister()
1006 	remove_compat_control_link(dev);  in drm_dev_unregister()
1007 	drm_minor_unregister(dev, DRM_MINOR_ACCEL);  in drm_dev_unregister()
1008 	drm_minor_unregister(dev, DRM_MINOR_PRIMARY);  in drm_dev_unregister()
1009 	drm_minor_unregister(dev, DRM_MINOR_RENDER);  in drm_dev_unregister()
1045 	new_fops = fops_get(minor->dev->driver->fops);  in drm_stub_open()