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drm/i915: WaDisableVDSUnitClockGating isn't applicable to SNB

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Can't find any mention of WaDisableVDSUnitClockGating ever being
relevant for SNB. Remove it.

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 21:32:47 +02:00 • committed by Daniel Vetter
commit ef59318cb1
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/i915/intel_pm.c
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@ -4608,12 +4608,10 @@ static void gen6_init_clock_gating(struct drm_device *dev)
* According to the spec, bit 11 (RCCUNIT) must also be set,
* but we didn't debug actual testcases to find it out.
*
* Also apply WaDisableVDSUnitClockGating:snb and
* WaDisableRCCUnitClockGating:snb and
* WaDisableRCPBUnitClockGating:snb.
* WaDisableRCCUnitClockGating:snb
* WaDisableRCPBUnitClockGating:snb
*/
I915_WRITE(GEN6_UCGCTL2,
GEN7_VDSUNIT_CLOCK_GATE_DISABLE |
GEN6_RCPBUNIT_CLOCK_GATE_DISABLE |
GEN6_RCCUNIT_CLOCK_GATE_DISABLE);