intel_ring_direction
GEM_BUG_ON(intel_ring_direction(ring, rq->wa_tail, rq->head) <= 0);
if (intel_ring_direction(rq->ring,
if (unlikely(intel_ring_direction(rq->ring, tail, prev) <= 0))
while (intel_ring_direction(ce[0]->ring,
GEM_BUG_ON(intel_ring_direction(ce[0]->ring,
result = intel_ring_direction(ring, next, prev);