From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 9 Apr 2014 10:28:34 +0000 (+0300)
Subject: drm/i915/chv: Implement WaDisableThreadStallDopClockGating:chv
X-Git-Tag: v3.16-rc1~35^2~38^2~66
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7068025ca8c6ec3bff23ef1c4551e56a730dd4f;p=thirdparty%2Fkernel%2Flinux.git

drm/i915/chv: Implement WaDisableThreadStallDopClockGating: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 cb6deaf126a0b..a4124ec6376a4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5379,6 +5379,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
 	/* WaDisablePartialInstShootdown:chv */
 	I915_WRITE(GEN8_ROW_CHICKEN,
 		   _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
+
+	/* WaDisableThreadStallDopClockGating:chv */
+	I915_WRITE(GEN8_ROW_CHICKEN,
+		   _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)