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-rw-r--r--drivers/gpu/drm/i915/intel_pm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a4124ec6376a..7220c11e60b4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5383,6 +5383,12 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
/* WaDisableThreadStallDopClockGating:chv */
I915_WRITE(GEN8_ROW_CHICKEN,
_MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
+
+ /* WaVSRefCountFullforceMissDisable:chv */
+ /* WaDSRefCountFullforceMissDisable:chv */
+ I915_WRITE(GEN7_FF_THREAD_MODE,
+ I915_READ(GEN7_FF_THREAD_MODE) &
+ ~(GEN8_FF_DS_REF_CNT_FFME | GEN7_FF_VS_REF_CNT_FFME));
}
static void g4x_init_clock_gating(struct drm_device *dev)