linux-kernel - Re: [PATCH] drm/panel: ld9040: add backlight Kconfig dependency

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Date:   Tue, 25 Jul 2023 00:45:45 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Sam Ravnborg <sam@...nborg.org>, Arnd Bergmann <arnd@...nel.org>
Cc:     Neil Armstrong <neil.armstrong@...aro.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: ld9040: add backlight Kconfig dependency

Hi,

Le lundi 24 juillet 2023 à 19:11 +0200, Sam Ravnborg a écrit :
> On Mon, Jul 24, 2023 at 02:17:05PM +0200, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@...db.de>
> > 
> > The driver now uses the backlight interface, which breaks when that
> > is disabled:
> > 
> > ld.lld: error: undefined symbol: devm_backlight_device_register
> > 
> > Enforce the necessary Kconfig dependency to avoid this.
> > 
> > Fixes: c2268daa65fb4 ("drm/panel: ld9040: Register a backlight
> > device")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Reviewed-by: Sam Ravnborg <sam@...nborg.org>
> 
> I expect that someone else with drm-misc rights apply the patch.

Pushed to drm-misc-next.

Thanks,
-Paul