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

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Message-ID: <CAOkhzLW42a66wNL7Pz8+d+yO_oyZZJBEps=8WPHaXXFjb54dTQ@mail.gmail.com>
Date:   Fri, 3 Apr 2020 19:58:57 +0200
From:   Zeno Davatz <zdavatz@...il.com>
To:     Ilia Mirkin <imirkin@...m.mit.edu>
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 7:23 PM Ilia Mirkin <imirkin@...m.mit.edu> wrote:
>
> 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.

Do I need any of these enabled for linux-firmware to load properly in
Kernel 5.6?

 -*- Firmware loading facility
  │ │                                      ()    Build named firmware
blobs into the kernel binary
  │ │                                      [ ]   Enable the firmware
sysfs fallback mechanism
  │ │                                      [ ]   Enable compressed
firmware support

Best
Zeno