linux-kernel - Re: [PATCH] depend on BACKLIGHT_CLASS

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Date:   Wed, 4 Aug 2021 16:19:32 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Karol Herbst <kherbst@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lyude Paul <lyude@...hat.com>, Ben Skeggs <bskeggs@...hat.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Daniel Vetter <daniel@...ll.ch>,
        ML nouveau <nouveau@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH] depend on BACKLIGHT_CLASS_DEVICE for more devices

On Wed, Aug 4, 2021 at 4:10 PM Karol Herbst <kherbst@...hat.com> wrote:
>
> playing around a little bit with this, I think the original "select
> BACKLIGHT_CLASS_DEVICE" is fine. Atm we kind of have this weird mix of
> drivers selecting and others depending on it. We could of course convert
> everything over to depend, and break those cycling dependency issues with
> this.
>
> Anyway this change on top of my initial patch is enough to make Kconfig
> happy and has the advantage of not having to mess with the deps of nouveau
> too much.

Looks good to me. We'd probably want to make the BACKLIGHT_CLASS_DEVICE
option itself 'default FB || DRM' though, to ensure that defconfigs
keep working.

      Arnd