Re: [BUG - BISECTED] display not detected anymore

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Hi Ville,

> > > > ef79d62b5ce5 ("drm/i915: Encapsulate dbuf state handling harder")
> > > > 
> > > > With that commit the display is not detected anymore, one commit
> > > > before that it still works. So this one seems to be broken.
> > > > 
> > > > Ville, Stanislav, any idea how to fix this?
> > > > 
> > > > commit ef79d62b5ce53851901d6c1d21b74cbb9e27219b
> > > > Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > > > Date:   Fri Jan 22 22:56:32 2021 +0200
> > > > 
> > > >     drm/i915: Encapsulate dbuf state handling harder
> > > 
> > > That has nothing to do with display detection, so very mysterious.
> > > 
> > > Please file a bug at https://gitlab.freedesktop.org/drm/intel/issues/new
> > > boot with drm.debug=0xe with both good and bad kernels and attach the
> > > dmesg from both to the bug.
> > 
> > Everything (hopefully) provided here:
> > https://gitlab.freedesktop.org/drm/intel/-/issues/4013
> > 
> > Please let me know if you need more, or if I can help otherwise to
> > resolve this.
> 
> Did you have any time to look into this already?

How do we proceed with this? Saying that this is either "very
mysterious" or "very strange" won't fix the regression. :)

Thanks,
Heiko



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