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From:   Dave Airlie <airlied@gmail.com>
Date:   Mon, 16 Nov 2020 06:35:22 +1000
Message-ID: <CAPM=9tySfv3vueCjR84MTzxiZdKZZwVuddb-GuuPyoVncoSPyg@mail.gmail.com>
Subject: Re: [git pull] drm next pull for 5.10-rc1
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     "Kirill A. Shutemov" <kirill@shutemov.name>,
        Lyude Paul <lyude@redhat.com>,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Ben Skeggs <bskeggs@redhat.com>
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On Mon, 16 Nov 2020 at 03:57, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Tue, Nov 3, 2020 at 2:20 PM Kirill A. Shutemov <kirill@shutemov.name> wrote:
> >
> > On Thu, Oct 15, 2020 at 11:33:08AM +1000, Dave Airlie wrote:
> > >       drm/nouveau/kms: Search for encoders' connectors properly
> >
> > This commit (09838c4efe9a) broke boot for me. These two hunks in
> > particular:
>
> Christ. It's been two weeks. I'm doing -rc4 today, and I still don't
> have the fix.
>
> The problem seems entirely obvious, as reported by Kirill: the nv50
> code unconditionally calls the "atomic_{dis,en}able()" functions, even
> when not everybody was converted.
>
> The fix seems to be to either just do the conversion of the remaining
> cases (which looks like just adding an argument to the remaining
> functions, and using that for the "atomic" callback), or the trivial
> suggestion by Kirill from two weeks ago:
>
> > I hacked up patch to use help->disable/help->enable if atomic_ versions
> > are NULL. It worked.
>
> Kirill, since the nouveau people aren't fixing this, can you just send
> me your tested patch?
>
> Lyude/Ben - let me just say that I think this is all a huge disgrace.
>
> You had a problem report with a bisected commit, a suggested fix, and
> two weeks later there's absolutely _nothing_.

I do have a fixes pull from Ben from Saturday in my inbox, I can send
it on this morning.

Dave.