From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 22 Jan 2014 19:32:50 +0000 (+0200)
Subject: drm/i915: WaDisableRHWOOptimizationForRenderHang isn't applicable to HSW
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=681432d9ca55c7761fb4bf0ef72c28ca81624070;p=linux-beck.git

drm/i915: WaDisableRHWOOptimizationForRenderHang isn't applicable to HSW

Can't find WaDisableRHWOOptimizationForRenderHang listed for HSW.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.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 626cc52707a7..a515f728088f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4770,10 +4770,6 @@ static void haswell_init_clock_gating(struct drm_device *dev)
 	 */
 	I915_WRITE(GEN6_UCGCTL2, GEN6_RCZUNIT_CLOCK_GATE_DISABLE);
 
-	/* Apply the WaDisableRHWOOptimizationForRenderHang:hsw workaround. */
-	I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,
-		   GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC);
-
 	/* WaApplyL3ControlAndL3ChickenMode:hsw */
 	I915_WRITE(GEN7_L3CNTLREG1,
 			GEN7_WA_FOR_GEN7_L3_CONTROL);