Lines Matching refs:I915_READ_HEAD
548 if (I915_READ_HEAD(ring) != I915_READ_TAIL(ring)) in stop_ring()
562 return (I915_READ_HEAD(ring) & HEAD_ADDR) == 0; in stop_ring()
581 I915_READ_HEAD(ring), in init_ring_common()
590 I915_READ_HEAD(ring), in init_ring_common()
604 I915_READ_HEAD(ring); in init_ring_common()
613 if (I915_READ_HEAD(ring)) in init_ring_common()
615 ring->name, I915_READ_HEAD(ring)); in init_ring_common()
617 (void)I915_READ_HEAD(ring); in init_ring_common()
626 (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) { in init_ring_common()
631 I915_READ_HEAD(ring), I915_READ_TAIL(ring), in init_ring_common()
638 ringbuf->head = I915_READ_HEAD(ring); in init_ring_common()
2115 ringbuf->head = I915_READ_HEAD(ring); in ring_wait_for_space()