if (unlikely(val_node == sw_context->cur_val_buf)) {
val_buf->new_sync_obj_arg = NULL;
val_buf->bo = ttm_bo_reference(bo);
- val_buf->usage = TTM_USAGE_READWRITE;
list_add_tail(&val_buf->head, &sw_context->validate_nodes);
++sw_context->cur_val_buf;
}