129 	if (res->backup) {  in vmw_resource_release()
130 		struct ttm_buffer_object *bo = &res->backup->base;  in vmw_resource_release()
144 		vmw_dmabuf_unreference(&res->backup);  in vmw_resource_release()
229 	res->backup = NULL;  in vmw_resource_init()
1086 	struct vmw_dma_buffer *backup;  in vmw_resource_buf_alloc()  local
1089 	if (likely(res->backup)) {  in vmw_resource_buf_alloc()
1090 		BUG_ON(res->backup->base.num_pages * PAGE_SIZE < size);  in vmw_resource_buf_alloc()
1094 	backup = kzalloc(sizeof(*backup), GFP_KERNEL);  in vmw_resource_buf_alloc()
1095 	if (unlikely(backup == NULL))  in vmw_resource_buf_alloc()
1098 	ret = vmw_dmabuf_init(res->dev_priv, backup, res->backup_size,  in vmw_resource_buf_alloc()
1105 	res->backup = backup;  in vmw_resource_buf_alloc()
1142 			list_add_tail(&res->mob_head, &res->backup->res_list);  in vmw_resource_do_validate()
1184 	if (switch_backup && new_backup != res->backup) {  in vmw_resource_unreserve()
1185 		if (res->backup) {  in vmw_resource_unreserve()
1186 			lockdep_assert_held(&res->backup->base.resv->lock.base);  in vmw_resource_unreserve()
1188 			vmw_dmabuf_unreference(&res->backup);  in vmw_resource_unreserve()
1192 			res->backup = vmw_dmabuf_reference(new_backup);  in vmw_resource_unreserve()
1196 			res->backup = NULL;  in vmw_resource_unreserve()
1231 	if (unlikely(res->backup == NULL)) {  in vmw_resource_check_buffer()
1238 	val_buf->bo = ttm_bo_reference(&res->backup->base);  in vmw_resource_check_buffer()
1249 	ret = ttm_bo_validate(&res->backup->base,  in vmw_resource_check_buffer()
1263 		vmw_dmabuf_unreference(&res->backup);  in vmw_resource_check_buffer()
1288 	if (res->func->needs_backup && res->backup == NULL &&  in vmw_resource_reserve()
1385 	if (res->backup)  in vmw_resource_validate()
1386 		val_buf.bo = &res->backup->base;  in vmw_resource_validate()
1425 	else if (!res->func->needs_backup && res->backup) {  in vmw_resource_validate()
1427 		vmw_dmabuf_unreference(&res->backup);  in vmw_resource_validate()
1717 		if (res->backup) {  in vmw_resource_pin()
1718 			vbo = res->backup;  in vmw_resource_pin()
1773 	if (--res->pin_count == 0 && res->backup) {  in vmw_resource_unpin()
1774 		struct vmw_dma_buffer *vbo = res->backup;  in vmw_resource_unpin()