Re: [PATCH] drm/i915: Don't try to use DDR DVFS on CHV when disabled in the BIOS

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On Wed, Sep 09, 2015 at 04:41:04PM +0100, Chris Wilson wrote:
> On Wed, Sep 09, 2015 at 06:28:50PM +0300, Ville Syrjälä wrote:
> > On Tue, Sep 08, 2015 at 09:16:11PM +0100, Chris Wilson wrote:
> > > Would it make sense to disable dvfs after a failure as well,
> > > then the user is shown a single DRM_ERROR at runtime and we should
> > > recover (by not going to the full WM next time)?
> > 
> > I wouldn't expect any failures after we've determined that it works.
> > That would indicate Punit going belly up or something, and then I'm
> > not sure anything would work anymore.
> 
> We didn't expect any before either :) And it sounds like you are arguing
> that we should be reducing the noise from the victims as well :)

Well, I think I'll still leave it as is. People have generally been
opposed to adding code to deal with conditions that should never
happen in real life.

Should I be proven wrong, you can smack me on the head with a big
"told you so!" sign ;)

-- 
Ville Syrjälä
Intel OTC
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