It is unclear if this is even required on BXT.
v2: Make sure to set the default value to false. Uncertain how my compiler
doesn't complain with v1.
Cc: Imre Deak <imre.d...@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widaw...@intel.com>
---
drivers/gpu/drm/i915/intel_lrc.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 519cea32..af1e001 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1695,7 +1695,7 @@ static int gen8_emit_flush_render(struct
drm_i915_gem_request *request,
struct intel_ringbuffer *ringbuf = request->ringbuf;
struct intel_engine_cs *ring = ringbuf->ring;
u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
- bool vf_flush_wa;
+ bool vf_flush_wa = false;
u32 flags = 0;
int ret;
@@ -1716,14 +1716,14 @@ static int gen8_emit_flush_render(struct
drm_i915_gem_request *request,
flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_QW_WRITE;
flags |= PIPE_CONTROL_GLOBAL_GTT_IVB;
- }
- /*
- * On GEN9+ Before VF_CACHE_INVALIDATE we need to emit a NULL pipe
- * control.
- */
- vf_flush_wa = INTEL_INFO(ring->dev)->gen >= 9 &&
- flags & PIPE_CONTROL_VF_CACHE_INVALIDATE;
+ /*
+ * On GEN9: before VF_CACHE_INVALIDATE we need to emit a NULL
+ * pipe control.
+ */
+ if (IS_GEN9(ring->dev))
+ vf_flush_wa = true;
+ }
ret = intel_logical_ring_begin(request, vf_flush_wa ? 12 : 6);
if (ret)
--
2.6.4
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