diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 414af1e2973b..e2a73b38abe9 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -227,31 +227,36 @@ gen6_render_ring_flush(struct intel_ring_buffer *ring, * number of bits based on the write domains has little performance * impact. */ - flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; - flags |= PIPE_CONTROL_TLB_INVALIDATE; - flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; - flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; - /* - * Ensure that any following seqno writes only happen when the render - * cache is indeed flushed (but only if the caller actually wants that). - */ - if (flush_domains) + if (flush_domains) { + flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; + flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + /* + * Ensure that any following seqno writes only happen + * when the render cache is indeed flushed. + */ flags |= PIPE_CONTROL_CS_STALL; + } + if (invalidate_domains) { + flags |= PIPE_CONTROL_TLB_INVALIDATE; + flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; + /* + * TLB invalidate requires a post-sync write. + */ + flags |= PIPE_CONTROL_QW_WRITE; + } - ret = intel_ring_begin(ring, 6); + ret = intel_ring_begin(ring, 4); if (ret) return ret; - intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5)); + intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4)); intel_ring_emit(ring, flags); intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); - intel_ring_emit(ring, 0); /* lower dword */ - intel_ring_emit(ring, 0); /* uppwer dword */ - intel_ring_emit(ring, MI_NOOP); + intel_ring_emit(ring, 0); intel_ring_advance(ring); return 0; |