drm/i915: WaDisableVDSUnitClockGating isn't applicable to SNB

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>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 58053f887b3767b989c6fb06e6b201a66505ecd9..7e85b3e8702dd4179c88a06e7c8d906f9bb9c71f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -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);