linux-kernel - Re: [PATCH v2 RFC 08/10] drm/fourcc: Document that single-channel "red" can be any color

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Message-ID: <88ae42f3-8e56-75e9-b1c0-abefe3496a8d@redhat.com>
Date:   Wed, 9 Mar 2022 14:33:31 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sam Ravnborg <sam@...nborg.org>, Helge Deller <deller@....de>
Cc:     dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-m68k@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 RFC 08/10] drm/fourcc: Document that single-channel
 "red" can be any color

On 3/7/22 21:52, Geert Uytterhoeven wrote:
> Traditionally, the first channel has been called the "red" channel, but
> the fourcc values for single-channel "red" formats can also be used for
> other light-on-dark displays, like grayscale.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---

Yes, I learned that "Red" actually meant just a color channel
that may not be red in one of the thread about fourcc formats.

So I agree that would be good to have a comment about this.

Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat