127 	if (res->backup) {  in vmw_resource_release()
128 		struct ttm_buffer_object *bo = &res->backup->base;  in vmw_resource_release()
142 		vmw_dmabuf_unreference(&res->backup);  in vmw_resource_release()
230 	res->backup = NULL;  in vmw_resource_init()
1075 	struct vmw_dma_buffer *backup;  in vmw_resource_buf_alloc()  local
1078 	if (likely(res->backup)) {  in vmw_resource_buf_alloc()
1079 		BUG_ON(res->backup->base.num_pages * PAGE_SIZE < size);  in vmw_resource_buf_alloc()
1083 	backup = kzalloc(sizeof(*backup), GFP_KERNEL);  in vmw_resource_buf_alloc()
1084 	if (unlikely(backup == NULL))  in vmw_resource_buf_alloc()
1087 	ret = vmw_dmabuf_init(res->dev_priv, backup, res->backup_size,  in vmw_resource_buf_alloc()
1094 	res->backup = backup;  in vmw_resource_buf_alloc()
1131 			list_add_tail(&res->mob_head, &res->backup->res_list);  in vmw_resource_do_validate()
1171 	if (new_backup && new_backup != res->backup) {  in vmw_resource_unreserve()
1173 		if (res->backup) {  in vmw_resource_unreserve()
1174 			lockdep_assert_held(&res->backup->base.resv->lock.base);  in vmw_resource_unreserve()
1176 			vmw_dmabuf_unreference(&res->backup);  in vmw_resource_unreserve()
1179 		res->backup = vmw_dmabuf_reference(new_backup);  in vmw_resource_unreserve()
1215 	if (unlikely(res->backup == NULL)) {  in vmw_resource_check_buffer()
1222 	val_buf->bo = ttm_bo_reference(&res->backup->base);  in vmw_resource_check_buffer()
1233 	ret = ttm_bo_validate(&res->backup->base,  in vmw_resource_check_buffer()
1247 		vmw_dmabuf_unreference(&res->backup);  in vmw_resource_check_buffer()
1271 	if (res->func->needs_backup && res->backup == NULL &&  in vmw_resource_reserve()
1364 	if (res->backup)  in vmw_resource_validate()
1365 		val_buf.bo = &res->backup->base;  in vmw_resource_validate()
1404 	else if (!res->func->needs_backup && res->backup) {  in vmw_resource_validate()
1406 		vmw_dmabuf_unreference(&res->backup);  in vmw_resource_validate()