Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> On Wed, Jan 22, 2014 at 5:32 PM, <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Only early VLV steppings needed thist. Should no longer be relevant. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_pm.c | 14 +++----------- > 1 file changed, 3 insertions(+), 11 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 0d9ded4..593046a 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -4927,24 +4927,16 @@ static void valleyview_init_clock_gating(struct drm_device *dev) > I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | > GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB); > > - /* According to the BSpec vol1g, bit 12 (RCPBUNIT) clock > - * gating disable must be set. Failure to set it results in > - * flickering pixels due to Z write ordering failures after > - * some amount of runtime in the Mesa "fire" demo, and Unigine > - * Sanctuary and Tropics, and apparently anything else with > - * alpha test or pixel discard. > - * > + /* > * According to the spec, bit 13 (RCZUNIT) must be set on IVB. > * This implements the WaDisableRCZUnitClockGating:vlv workaround. > * > - * Also apply WaDisableVDSUnitClockGating:vlv and > - * WaDisableRCPBUnitClockGating:vlv. > + * Also apply WaDisableVDSUnitClockGating:vlv. > */ > I915_WRITE(GEN6_UCGCTL2, > GEN7_VDSUNIT_CLOCK_GATE_DISABLE | > GEN7_TDLUNIT_CLOCK_GATE_DISABLE | > - GEN6_RCZUNIT_CLOCK_GATE_DISABLE | > - GEN6_RCPBUNIT_CLOCK_GATE_DISABLE); > + GEN6_RCZUNIT_CLOCK_GATE_DISABLE); > > /* WaDisableL3Bank2xClockGate:vlv */ > I915_WRITE(GEN7_UCGCTL4, GEN7_L3BANK2X_CLOCK_GATE_DISABLE); > -- > 1.8.3.2 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Rodrigo Vivi Blog: http://blog.vivi.eng.br _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
