CP_HQD_DEQUEUE_REQUEST
WREG32_FIELD(CP_HQD_DEQUEUE_REQUEST, DEQUEUE_REQ, req);
WREG32(CP_HQD_DEQUEUE_REQUEST, 1);
WREG32(CP_HQD_DEQUEUE_REQUEST, 0);
WREG32(CP_HQD_DEQUEUE_REQUEST, 1);
WREG32(CP_HQD_DEQUEUE_REQUEST, mqd->queue_state.cp_hqd_dequeue_request);