__update_doorbell_desc
__update_doorbell_desc(client, client->doorbell_id);
__update_doorbell_desc(client, GUC_DOORBELL_INVALID);
__update_doorbell_desc(client, GUC_DOORBELL_INVALID);
__update_doorbell_desc(guc->preempt_client,
__update_doorbell_desc(guc->execbuf_client,