drm/i915/bdw: New logical ring submission mechanism

[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_ringbuffer.h

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 677df0d7be48ee11ee2f35a20943b4c901cc04c3..81bad364e36d597f84f60519f03f015456de47a2 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -374,6 +374,9 @@ static inline void intel_ring_advance(struct intel_engine_cs *ring)
        struct intel_ringbuffer *ringbuf = ring->buffer;
        ringbuf->tail &= ringbuf->size - 1;
 }
+int __intel_ring_space(int head, int tail, int size);
+int intel_ring_space(struct intel_ringbuffer *ringbuf);
+bool intel_ring_stopped(struct intel_engine_cs *ring);
 void __intel_ring_advance(struct intel_engine_cs *ring);
 
 int __must_check intel_ring_idle(struct intel_engine_cs *ring);