qxl_bo_vunmap_and_unpin
ret = qxl_bo_vunmap_and_unpin(qdev->monitors_config_bo);
qxl_bo_vunmap_and_unpin(user_bo);
qxl_bo_vunmap_and_unpin(cursor_bo);
qxl_bo_vunmap_and_unpin(cursor_bo);
int qxl_bo_vunmap_and_unpin(struct qxl_bo *bo);