Re: [Nouveau] [PATCH 1/7] Revert "ACPI / OSI: Add OEM _OSI string to enable dGPU direct output"

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is there any update on the testing with my patches? On the hardware I
had access to those patches helped, but I can't know if it also helped
on the hardware for which those workarounds where actually added.

On Mon, Aug 19, 2019 at 11:52 AM Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
>
> On Thursday, August 15, 2019 12:47:35 AM CEST Dave Airlie wrote:
> > On Thu, 15 Aug 2019 at 07:31, Karol Herbst <kherbst@xxxxxxxxxx> wrote:
> > >
> > > This reverts commit 28586a51eea666d5531bcaef2f68e4abbd87242c.
> > >
> > > The original commit message didn't even make sense. AMD _does_ support it and
> > > it works with Nouveau as well.
> > >
> > > Also what was the issue being solved here? No references to any bugs and not
> > > even explaining any issue at all isn't the way we do things.
> > >
> > > And even if it means a muxed design, then the fix is to make it work inside the
> > > driver, not adding some hacky workaround through ACPI tricks.
> > >
> > > And what out of tree drivers do or do not support we don't care one bit anyway.
> > >
> >
> > I think the reverts should be merged via Rafael's tree as the original
> > patches went in via there, and we should get them in asap.
> >
> > Acked-by: Dave Airlie <airlied@xxxxxxxxxx>
>
> The _OSI strings are to be dropped when all of the needed support is there in
> drivers, so they should go away along with the requisite driver changes.
>

that goes beside the point. firmware level workarounds for GPU driver
issues were pushed without consulting with upstream GPU developers.
That's something which shouldn't have happened in the first place. And
yes, I am personally annoyed by the fact, that people know about
issues, but instead of contacting the proper persons and working on a
proper fix, we end up with stupid firmware level workarounds. I can't
see why we ever would have wanted such workarounds in the first place.

And I would be much happier if the next time something like that comes
up, that the drm mailing list will be contacted as well or somebody
involved.

We could have also just disable the feature inside the driver (and
probably we should have done that a long time ago, so that is
essentially our fault, but still....)

> I'm all for dropping then when that's the case, so please feel free to add ACKs
> from me to the patches in question at that point.
>
> Cheers,
> Rafael
>
>
>
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