linux-kernel - Re: [Nouveau] [PATCH 1/7] Revert "ACPI / OSI: Add OEM

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Date:   Thu, 15 Aug 2019 08:47:35 +1000
From:   Dave Airlie <airlied@...il.com>
To:     Karol Herbst <kherbst@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        nouveau <nouveau@...ts.freedesktop.org>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Alex Hung <alex.hung@...onical.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Dave Airlie <airlied@...hat.com>
Subject: Re: [Nouveau] [PATCH 1/7] Revert "ACPI / OSI: Add OEM _OSI string to
 enable dGPU direct output"

On Thu, 15 Aug 2019 at 07:31, Karol Herbst <kherbst@...hat.com> 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@...hat.com>
Dave.