On Wed, Jan 22, 2014 at 09:32:54PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > WaDisableRCZUnitClockGating was needed with early HSW steppings only. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> I couldn't make sense of this diff, my hsw clock_gating function here doesn't seem to have this hunk?! -Daniel > --- > drivers/gpu/drm/i915/intel_pm.c | 5 ----- > 1 file changed, 5 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index bf45b4c..70f3b2b 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -4762,11 +4762,6 @@ static void haswell_init_clock_gating(struct drm_device *dev) > > ilk_init_lp_watermarks(dev); > > - /* According to the spec, bit 13 (RCZUNIT) must be set on IVB. > - * This implements the WaDisableRCZUnitClockGating:hsw workaround. > - */ > - I915_WRITE(GEN6_UCGCTL2, GEN6_RCZUNIT_CLOCK_GATE_DISABLE); > - > /* WaApplyL3ControlAndL3ChickenMode:hsw */ > I915_WRITE(GEN7_L3CNTLREG1, > GEN7_WA_FOR_GEN7_L3_CONTROL); > -- > 1.8.3.2 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx