Re: [Intel-gfx] [PATCH] drm/i915: WaSetupGtModeTdRowDispatch:snb

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On Fri, Nov 14, 2014 at 01:13:16PM +0200, Ville Syrjälä wrote:
> On Fri, Nov 14, 2014 at 09:25:29AM +0100, Daniel Vetter wrote:
> > This reverts
> > 
> > commit 8d85d27281095e4df6eb97ae84326b5814337337
> > Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Date:   Tue Feb 4 21:59:15 2014 +0200
> > 
> >     drm/i915: Fix SNB GT_MODE register setup
> 
> I think you mean
> 
> commit 6547fbdbfff62c99e4f7b4f985ff8b3454f33b0f
> Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Date:   Fri Dec 14 23:38:29 2012 +0100
> 
>     drm/i915: Implement WaSetupGtModeTdRowDispatch

Oh, I guess functionally it reverts part of my patch since your original
patch was a nop due to the clear all bits part done later. Would be nice
to explain some of this in the commit message to avoid all sorts of
confusion.

> 
> > 
> > Reported-by: Leo Wolf <jclw@xxxxxxxxx>
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79996
> > Cc: stable@xxxxxxxxxxxxxxx
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > ---
> >  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 9e87265f2448..03417a38cd09 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -6472,11 +6472,6 @@ static void gen6_init_clock_gating(struct drm_device *dev)
> >  	I915_WRITE(_3D_CHICKEN,
> >  		   _MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
> >  
> > -	/* WaSetupGtModeTdRowDispatch:snb */
> > -	if (IS_SNB_GT1(dev))
> > -		I915_WRITE(GEN6_GT_MODE,
> > -			   _MASKED_BIT_ENABLE(GEN6_TD_FOUR_ROW_DISPATCH_DISABLE));
> > -
> >  	/* WaDisable_RenderCache_OperationalFlush:snb */
> >  	I915_WRITE(CACHE_MODE_0, _MASKED_BIT_DISABLE(RC_OP_FLUSH_ENABLE));
> >  
> > -- 
> > 2.1.1
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Ville Syrjälä
> Intel OTC

-- 
Ville Syrjälä
Intel OTC
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