From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 9 Apr 2014 10:28:35 +0000 (+0300)
Subject: drm/i915/chv: Implement WaVSRefCountFullforceMissDisable:chv and WaDSRefCountFullforc... 
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=232ce3374f0d2536b108cae9a6ab1e4e2b8d2bf6;p=linux-beck.git

drm/i915/chv: Implement WaVSRefCountFullforceMissDisable:chv and WaDSRefCountFullforceMissDisable:chv

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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)