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()
69 	struct drm_global_item *item = &glob[ref->global_type];  in drm_global_item_ref()  local
71 	mutex_lock(&item->mutex);  in drm_global_item_ref()
72 	if (item->refcount == 0) {  in drm_global_item_ref()
73 		item->object = kzalloc(ref->size, GFP_KERNEL);  in drm_global_item_ref()
74 		if (unlikely(item->object == NULL)) {  in drm_global_item_ref()
79 		ref->object = item->object;  in drm_global_item_ref()
85 	++item->refcount;  in drm_global_item_ref()
86 	ref->object = item->object;  in drm_global_item_ref()
87 	mutex_unlock(&item->mutex);  in drm_global_item_ref()
90 	mutex_unlock(&item->mutex);  in drm_global_item_ref()
91 	item->object = NULL;  in drm_global_item_ref()
98 	struct drm_global_item *item = &glob[ref->global_type];  in drm_global_item_unref()  local
100 	mutex_lock(&item->mutex);  in drm_global_item_unref()
101 	BUG_ON(item->refcount == 0);  in drm_global_item_unref()
102 	BUG_ON(ref->object != item->object);  in drm_global_item_unref()
103 	if (--item->refcount == 0) {  in drm_global_item_unref()
105 		item->object = NULL;  in drm_global_item_unref()
107 	mutex_unlock(&item->mutex);  in drm_global_item_unref()