linux-kernel - Re: [PATCH] video: logo: LOGO should depend on FB

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Date:   Tue, 25 Jul 2023 18:50:10 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     dri-devel@...ts.freedesktop.org, Helge Deller <deller@....de>,
        linux-fbdev@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video: logo: LOGO should depend on FB_CORE i.s.o. FB

Geert Uytterhoeven <geert@...ux-m68k.org> writes:

> Hi Javier,
>
> On Tue, Jul 25, 2023 at 6:07 PM Javier Martinez Canillas
> <javierm@...hat.com> wrote:
>> Geert Uytterhoeven <geert+renesas@...der.be> writes:
>> > If CONFIG_FB_CORE=y but CONFIG_FB=n, the frame buffer bootup logos can
>> > no longer be enabled.  Fix this by making CONFIG_LOGO depend on
>> > CONFIG_FB_CORE instead of CONFIG_FB, as there is no good reason for the
>> > logo code to depend on the presence of real frame buffer device drivers.
>>
>> Indeed.
>>
>> > Fixes: 55bffc8170bb5813 ("fbdev: Split frame buffer support in FB and FB_CORE symbols")
>> > Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
>> > ---
>> >  drivers/video/Kconfig      | 2 +-
>> >  drivers/video/logo/Kconfig | 2 +-
>> >  2 files changed, 2 insertions(+), 2 deletions(-)
>> >
>> > diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
>> > index e5b1cc54cafa10d5..b694d7669d3200b1 100644
>> > --- a/drivers/video/Kconfig
>> > +++ b/drivers/video/Kconfig
>> > @@ -63,7 +63,7 @@ if VT
>> >       source "drivers/video/console/Kconfig"
>> >  endif
>> >
>> > -if FB || SGI_NEWPORT_CONSOLE
>> > +if FB_CORE || SGI_NEWPORT_CONSOLE
>> >       source "drivers/video/logo/Kconfig"
>> >
>> >  endif
>> > diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig
>> > index 6d6f8c08792dc897..b7d94d1dd1585a84 100644
>> > --- a/drivers/video/logo/Kconfig
>> > +++ b/drivers/video/logo/Kconfig
>> > @@ -5,7 +5,7 @@
>> >
>> >  menuconfig LOGO
>> >       bool "Bootup logo"
>> > -     depends on FB || SGI_NEWPORT_CONSOLE
>> > +     depends on FB_CORE || SGI_NEWPORT_CONSOLE
>> >       help
>> >         Enable and select frame buffer bootup logos.
>>
>> Should then move this option to drivers/video/fbdev/core/Kconfig ?
>
> No, all logo options are in their own file.
>

Yes. I meant to move drivers/video/logo/ to drivers/fbdev/core/logo and to
source its Kconfig from drivers/fbdev/core/Kconfig, since it now depends
on FB_CORE.

But I see now that it also depends on SGI_NEWPORT_CONSOLE, so having those
in drivers/video/logo makes sense indeed.

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat