linux-kernel - Re: [PATCH v2 5/5] drm/modes: parse_cmdline: Add support for named modes containing dashes

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Date:   Thu, 14 Jul 2022 14:06:11 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Hans de Goede <hdegoede@...hat.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-m68k@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/5] drm/modes: parse_cmdline: Add support for named
 modes containing dashes

On Thu, Jul 14, 2022 at 11:04:10AM +0200, Geert Uytterhoeven wrote:
> It is fairly common for named video modes to contain dashes (e.g.
> "tt-mid" on Atari, "dblntsc-ff" on Amiga).  Currently such mode names
> are not recognized, as the dash is considered to be a separator between
> mode name and bpp.
> 
> Fix this by skipping any dashes that are not followed immediately by a
> digit when looking for the separator.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Ditto, we should have a test for that

Maxime

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