Cc: Kristian Høgsberg <k...@bitplanet.net>
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 62318a4..b8a445b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -841,6 +841,17 @@ static int chv_init_workarounds(struct intel_engine_cs
*ring)
return 0;
}
+static int skl_init_workarounds(struct intel_engine_cs *ring)
+{
+ struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /* WaHdcCtxNonCoherent:skl */
+ WA_SET_BIT_MASKED(HDC_CHICKEN0, HDC_FORCE_CTX_NON_COHERENT);
+
+ return 0;
+}
+
int init_workarounds_ring(struct intel_engine_cs *ring)
{
struct drm_device *dev = ring->dev;
@@ -856,6 +867,9 @@ int init_workarounds_ring(struct intel_engine_cs *ring)
if (IS_CHERRYVIEW(dev))
return chv_init_workarounds(ring);
+ if (IS_SKYLAKE(dev))
+ return skl_init_workarounds(ring);
+
return 0;
}
--
2.2.1
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