From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 22 Jan 2014 19:32:57 +0000 (+0200)
Subject: drm/i915: Drop WaDisableVDSUtnitClockGating:vlv
X-Git-Tag: next-20140306~57^2~4^2~42
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e95564051c1e11a3ac4b72c8846ffc3d0b95faf7;p=karo-tx-linux.git

drm/i915: Drop WaDisableVDSUtnitClockGating:vlv

WaDisableVDSUtnitClockGating was only relevant for early steepings of
VLV.

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 dd287910b2f6..8052b864ea52 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4931,11 +4931,8 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
 	/*
 	 * According to the spec, bit 13 (RCZUNIT) must be set on IVB.
 	 * This implements the WaDisableRCZUnitClockGating:vlv workaround.
-	 *
-	 * Also apply WaDisableVDSUnitClockGating:vlv.
 	 */
 	I915_WRITE(GEN6_UCGCTL2,
-		   GEN7_VDSUNIT_CLOCK_GATE_DISABLE |
 		   GEN7_TDLUNIT_CLOCK_GATE_DISABLE |
 		   GEN6_RCZUNIT_CLOCK_GATE_DISABLE);