linux-kernel - Re: [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays

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Message-ID: <csqnu2U_Kr-XE5p7ObjXsYbWDrfxh-j9CQE60lMJSxK0tF0SjlbZQkdjmAWpPRKYJoRLOCKtBgY-0AeIGdbr-SKjuyDKUTOTcI_PPV_bsWk=@emersion.fr>
Date:   Tue, 01 Feb 2022 10:11:03 +0000
From:   Simon Ser <contact@...rsion.fr>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linux PWM List <linux-pwm@...r.kernel.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Noralf Trønnes <noralf@...nnes.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Javier Martinez Canillas <javierm@...hat.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mark Brown <broonie@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Maxime Ripard <maxime@...no.tech>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays

On Tuesday, February 1st, 2022 at 11:08, Thomas Zimmermann <tzimmermann@...e.de> wrote:

> Am 01.02.22 um 09:36 schrieb Geert Uytterhoeven:
>
> > I'd expect 8-bit grayscale to be Y8 instead.
>
> I like this naming, but DRM_FORMAT_R8 is uapi already. :/ If anything,
> we could add Yn formats in addition to existing Rn formats.

Need to be a bit careful, e.g. Y210 exists and isn't a grayscale format.
This could be confusing.