[PATCH 37/71] drm/i915/chv: Implement WaVSRefCountFullforceMissDisable:chv and WaDSRefCountFullforceMissDisable:chv

ville.syrjala
2014-04-09T10:31:55Z

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

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1be39c8..0a33be2 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5387,6 +5387,12 @@ 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)
--
1.8.3.2