linux-kernel - Re: [PATCH v2 RFC 09/10] drm/fourcc: Add DRM_FORMAT

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Message-ID: <d1003594-dc26-23d4-a402-2951b3ed395d@redhat.com>
Date:   Wed, 9 Mar 2022 14:39:28 +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 09/10] drm/fourcc: Add DRM_FORMAT_R[124]

On 3/7/22 21:52, Geert Uytterhoeven wrote:
> Introduce fourcc codes for single-channel light-on-dark frame buffer
> formats with two, four, and sixteen intensity levels.
> 
> As the number of bits per pixel is less than eight, these rely on proper
> block handling for the calculation of bits per pixel and pitch.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---

IIRC the agreement was that it was worth to have both Cx and Rx fourcc
formats separately, so this patch makes sense to me.

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

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat