262 	struct ttm_ref_object *ref;  in ttm_ref_object_add()  local
275 			ref = drm_hash_entry(hash, struct ttm_ref_object, hash);  in ttm_ref_object_add()
276 			refcount_acquire(&ref->kref);  in ttm_ref_object_add()
282 		ret = ttm_mem_global_alloc(mem_glob, sizeof(*ref),  in ttm_ref_object_add()
286 		ref = malloc(sizeof(*ref), M_TTM_OBJ_REF, M_WAITOK);  in ttm_ref_object_add()
287 		if (unlikely(ref == NULL)) {  in ttm_ref_object_add()
288 			ttm_mem_global_free(mem_glob, sizeof(*ref));  in ttm_ref_object_add()
292 		ref->hash.key = base->hash.key;  in ttm_ref_object_add()
293 		ref->obj = base;  in ttm_ref_object_add()
294 		ref->tfile = tfile;  in ttm_ref_object_add()
295 		ref->ref_type = ref_type;  in ttm_ref_object_add()
296 		refcount_init(&ref->kref, 1);  in ttm_ref_object_add()
299 		ret = drm_ht_insert_item(ht, &ref->hash);  in ttm_ref_object_add()
302 			list_add_tail(&ref->head, &tfile->ref_list);  in ttm_ref_object_add()
313 		ttm_mem_global_free(mem_glob, sizeof(*ref));  in ttm_ref_object_add()
314 		free(ref, M_TTM_OBJ_REF);  in ttm_ref_object_add()
320 static void ttm_ref_object_release(struct ttm_ref_object *ref)  in ttm_ref_object_release()  argument
322 	struct ttm_base_object *base = ref->obj;  in ttm_ref_object_release()
323 	struct ttm_object_file *tfile = ref->tfile;  in ttm_ref_object_release()
327 	ht = &tfile->ref_hash[ref->ref_type];  in ttm_ref_object_release()
328 	(void)drm_ht_remove_item(ht, &ref->hash);  in ttm_ref_object_release()
329 	list_del(&ref->head);  in ttm_ref_object_release()
332 	if (ref->ref_type != TTM_REF_USAGE && base->ref_obj_release)  in ttm_ref_object_release()
333 		base->ref_obj_release(base, ref->ref_type);  in ttm_ref_object_release()
335 	ttm_base_object_unref(&ref->obj);  in ttm_ref_object_release()
336 	ttm_mem_global_free(mem_glob, sizeof(*ref));  in ttm_ref_object_release()
337 	free(ref, M_TTM_OBJ_REF);  in ttm_ref_object_release()
345 	struct ttm_ref_object *ref;  in ttm_ref_object_base_unref()  local
355 	ref = drm_hash_entry(hash, struct ttm_ref_object, hash);  in ttm_ref_object_base_unref()
356 	if (refcount_release(&ref->kref))  in ttm_ref_object_base_unref()
357 		ttm_ref_object_release(ref);  in ttm_ref_object_base_unref()
364 	struct ttm_ref_object *ref;  in ttm_object_file_release()  local
379 		ref = list_entry(list, struct ttm_ref_object, head);  in ttm_object_file_release()
380 		ttm_ref_object_release(ref);  in ttm_object_file_release()