49 		struct drm_global_item *item = &glob[i];  in drm_global_init()  local
50 		mutex_init(&item->mutex);  in drm_global_init()
51 		item->object = NULL;  in drm_global_init()
52 		item->refcount = 0;  in drm_global_init()
60 		struct drm_global_item *item = &glob[i];  in drm_global_release()  local
61 		BUG_ON(item->object != NULL);  in drm_global_release()
62 		BUG_ON(item->refcount != 0);  in drm_global_release()
81 	struct drm_global_item *item = &glob[ref->global_type];  in drm_global_item_ref()  local
83 	mutex_lock(&item->mutex);  in drm_global_item_ref()
84 	if (item->refcount == 0) {  in drm_global_item_ref()
94 		item->object = ref->object;  in drm_global_item_ref()
96 		ref->object = item->object;  in drm_global_item_ref()
99 	++item->refcount;  in drm_global_item_ref()
100 	mutex_unlock(&item->mutex);  in drm_global_item_ref()
107 	mutex_unlock(&item->mutex);  in drm_global_item_ref()
125 	struct drm_global_item *item = &glob[ref->global_type];  in drm_global_item_unref()  local
127 	mutex_lock(&item->mutex);  in drm_global_item_unref()
128 	BUG_ON(item->refcount == 0);  in drm_global_item_unref()
129 	BUG_ON(ref->object != item->object);  in drm_global_item_unref()
130 	if (--item->refcount == 0) {  in drm_global_item_unref()
132 		item->object = NULL;  in drm_global_item_unref()
134 	mutex_unlock(&item->mutex);  in drm_global_item_unref()