From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Don't issue the FBC nuke/cache clean command when invalidate_domains!=0.
That would indicate that we're not being called for the post-batch
flush.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c 
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e32c08a..752f208 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -354,7 +354,7 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring,
        intel_ring_emit(ring, 0);
        intel_ring_advance(ring);
 
-       if (flush_domains)
+       if (!invalidate_domains && flush_domains)
                return gen7_ring_fbc_flush(ring, FBC_REND_NUKE);
 
        return 0;
@@ -1837,7 +1837,7 @@ static int gen6_ring_flush(struct intel_ring_buffer *ring,
        }
        intel_ring_advance(ring);
 
-       if (IS_GEN7(dev) && flush)
+       if (IS_GEN7(dev) && !invalidate && flush)
                return gen7_ring_fbc_flush(ring, FBC_REND_CACHE_CLEAN);
 
        return 0;
-- 
1.8.1.5

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