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drm/i915: Drop WaDisableVDSUtnitClockGating:vlv

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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>
This commit is contained in:
Ville Syrjälä 2014-01-22 21:32:57 +02:00 committed by Daniel Vetter
parent 369a13425d
commit e95564051c
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -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);