From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Based on the name, the workaround we implement is
WaStripsFansDisableFastClipPerformanceFix. Unfortunately there's no
description in the w/a database, so this is just a guess.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 056999c..1baf56e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4678,6 +4678,7 @@ static void gen6_init_clock_gating(struct drm_device *dev)
GEN6_RCPBUNIT_CLOCK_GATE_DISABLE |
GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
+ /* WaStripsFansDisableFastClipPerformanceFix:snb */
/* Bspec says we need to always set all mask bits. */
I915_WRITE(_3D_CHICKEN3, (0xFFFF << 16) |
_3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL);
--
1.8.3.2
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