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From: Karol Herbst <kherbst@redhat.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>,
	Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>,
	Daniel Vetter <daniel@ffwll.ch>, Lyude Paul <lyude@redhat.com>,
	Arnd Bergmann <arnd@arndb.de>,
	nouveau <nouveau@lists.freedesktop.org>,
	LKML <linux-kernel@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	Nikola Cornij <nikola.cornij@amd.com>
Subject: Re: [PATCH] drm/nouveau/kms/nv50-: fix build failure with CONFIG_BACKLIGHT=n
Date: Fri, 23 Jul 2021 20:48:19 +0200	[thread overview]
Message-ID: <CACO55ts5C6xodqstoeCvhpRpMOB=nTTPDnBfN_QT2GJe2F4wNw@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a0YiAgTLptmPbK6vczkMi7F=tzE-Ae8GPFnBtbvQnoF0Q@mail.gmail.com>

On Fri, Jul 23, 2021 at 8:40 PM Arnd Bergmann <arnd@kernel.org> wrote:
>
> On Fri, Jul 23, 2021 at 6:34 PM Karol Herbst <kherbst@redhat.com> wrote:
> > On Fri, Jul 23, 2021 at 6:31 PM Randy Dunlap <rdunlap@infradead.org> wrote:
> > > On 7/23/21 8:15 AM, Karol Herbst wrote:
> > > > On Fri, Jul 23, 2021 at 5:10 PM Randy Dunlap <rdunlap@infradead.org> wrote:
> > > >
> > > > what's actually the use case of compiling with
> > > > CONFIG_DRM_NOUVEAU_BACKLIGHT=n anyway?
> > >
> > > Dunno. In this case it was just a randconfig. Still, it needs to be
> > > handled in some way - such as the other suggestion in this thread.
> > >
> >
> > sure, I was just curious if there was a specific use case or just
> > something random as you mentioned.
>
> I think this is purely done because of tradition. A long time ago, we had
> tiny framebuffer drivers and most PCs did not have backlights, so it
> made sense to leave this optional.
>
> This was probably just always carried over.
>
>          Arnd
>

okay. I think I will write a patch for nouveau then and send it out soonish


      reply	other threads:[~2021-07-23 18:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-23  9:15 [PATCH] drm/nouveau/kms/nv50-: fix build failure with CONFIG_BACKLIGHT=n Arnd Bergmann
2021-07-23  9:24 ` Daniel Vetter
2021-07-23 10:10   ` Karol Herbst
2021-07-23 10:12     ` Karol Herbst
2021-07-23 10:16   ` Arnd Bergmann
2021-07-23 15:23     ` Daniel Vetter
2021-07-23 19:14       ` Cornij, Nikola
2021-07-23 19:54         ` Harry Wentland
2021-07-23 16:12   ` Lyude Paul
2021-07-23 15:10 ` Randy Dunlap
2021-07-23 15:15   ` Karol Herbst
2021-07-23 16:31     ` Randy Dunlap
2021-07-23 16:34       ` Karol Herbst
2021-07-23 18:40         ` Arnd Bergmann
2021-07-23 18:48           ` Karol Herbst [this message]

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