From: Ville Syrjälä Date: Wed, 22 Jan 2014 19:32:47 +0000 (+0200) Subject: drm/i915: WaDisableVDSUnitClockGating isn't applicable to SNB X-Git-Tag: firefly_0821_release~176^2~4105^2~62^2~52 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ef59318cb1735399c08938f3fbed34028dbd0895;p=firefly-linux-kernel-4.4.55.git 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 Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 58053f887b37..7e85b3e8702d 100644 --- 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);