[Bug 106597] [vga_switcheroo] commit 07f4f97d7b4bf325d9f558c5b58230387e4e57e0 breaks dpm on Alienware 15R3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106597

--- Comment #33 from taijian at posteo.de ---
(In reply to Alex Deucher from comment #32)
> (In reply to taijian from comment #30)
> > Created attachment 139739 [details] [review] [review]
> > patch that seems to fix things for me
> > 
> > OK, going with Lukas' discovery, I have rebuild my kernel from
> > drm-next-4.18-wip, applying the attached patch, reversing the atpx quirk
> > discussed earlier, and also applying the debug patch (dmesg comes in the
> > next post). 
> > 
> > And voilà: It seems to be fixed, AFAIK! YAY!
> 
> Just to be clear, it works fine without the ATPX quirk if you apply the HDA
> fix?  Should I revert the ATPX quirk?

Yes, as you suggested earlier in the thread, I reversed the atpx quirk patch
when applying the hda fix, just to see if you were right that Lukas'
vga_switcheroo work made that obsolete. And from my testing it does seem to be
obsolete, so if no one else is objecting, please feel free to revert it.

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