linux-kernel - Re: acr: failed to load firmware with Kernel 5.6. Kernel 5.5 works just fine.

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Message-ID: <CAKb7UvhvBG49P7t6XD==26q70YywmhUHvP=hW=wj8mT6V0gpHA@mail.gmail.com>
Date:   Fri, 3 Apr 2020 13:23:32 -0400
From:   Ilia Mirkin <imirkin@...m.mit.edu>
To:     Zeno Davatz <zdavatz@...il.com>
Cc:     Ben Skeggs <bskeggs@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        nouveau <nouveau@...ts.freedesktop.org>
Subject: Re: acr: failed to load firmware with Kernel 5.6. Kernel 5.5 works
 just fine.

On Fri, Apr 3, 2020 at 1:21 PM Zeno Davatz <zdavatz@...il.com> wrote:
>
> On Fri, Apr 3, 2020 at 6:59 PM Ilia Mirkin <imirkin@...m.mit.edu> wrote:
> >
> > Ben -- probably the ACR changes in 5.6 don't fall back nicely anymore
> > when there's no firmware? The load shouldn't be failed, just GR
> > disabled...
> >
> > Zeno -- if you grab linux-firmware, it should be all better. Not sure
> > if you're missing it on purpose or by accident.
>
> Thank you, Ilia
>
> I will try that on my Gentoo/Funtoo machine now. So far linux-firmware
> was not needed with Kernel 5.5, so it was not installed on my machine.

It was needed on 5.5 as well. It's just that it fell back gracefully
without firmware, and you didn't get any acceleration features.

Cheers,

  -ilia