linux-kernel - Re: [PATCH] of: Preserve "of-display" device name for compatibility

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Message-ID: <CAL_JsqJmQ+70CkqPDT3vhs0bYJ_e6fuQrSOkNwCj7i0JQA4-EA@mail.gmail.com>
Date:   Tue, 11 Jul 2023 11:05:24 -0600
From:   Rob Herring <robh@...nel.org>
To:     Helge Deller <deller@....de>
Cc:     Thomas Zimmermann <tzimmermann@...e.de>,
        Frank Rowand <frowand.list@...il.com>,
        Michal Suchanek <msuchanek@...e.de>,
        devicetree@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Cyril Brulebois <cyril@...amax.com>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] of: Preserve "of-display" device name for compatibility

On Tue, Jul 11, 2023 at 9:46 AM Helge Deller <deller@....de> wrote:
>
> On 7/11/23 08:00, Thomas Zimmermann wrote:
> >
> >
> > Am 10.07.23 um 19:40 schrieb Rob Herring:
> >> Since commit 241d2fb56a18 ("of: Make OF framebuffer device names unique"),
> >> as spotted by Frédéric Bonnard, the historical "of-display" device is
> >> gone: the updated logic creates "of-display.0" instead, then as many
> >> "of-display.N" as required.
> >>
> >> This means that offb no longer finds the expected device, which prevents
> >> the Debian Installer from setting up its interface, at least on ppc64el.
> >>
> >> Fix this by keeping "of-display" for the first device and "of-display.N"
> >> for subsequent devices.
> >>
> >> Link: https://bugzilla.kernel.org/show_bug.cgi?id=217328
> >> Link: https://bugs.debian.org/1033058
> >> Fixes: 241d2fb56a18 ("of: Make OF framebuffer device names unique")
> >> Cc: stable@...r.kernel.org
> >> Cc: Cyril Brulebois <cyril@...amax.com>
> >> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> >> Cc: Helge Deller <deller@....de>
> >> Signed-off-by: Rob Herring <robh@...nel.org>
> >
> > Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
>
> Acked-by: Helge Deller <deller@....de>
>
> Who will pick up that patch?
> Shall I take it via fbdev git tree?

I'll take it. I've got other fixes queued up already.

Rob