Re: [PATCH v1] drm/modes: Skip invalid cmdline mode

From: Maxime Ripard
Date: Wed Jul 10 2019 - 06:12:35 EST


On Tue, Jul 09, 2019 at 05:51:51PM +0300, Dmitry Osipenko wrote:
> The named mode could be invalid and then cmdline parser misses to validate
> mode's dimensions, happily adding 0x0 mode as a valid mode. One case where
> this happens is NVIDIA Tegra devices that are using downstream bootloader
> which adds "video=tegrafb" to the kernel's cmdline and thus upstream Tegra
> DRM driver fails to probe because of the invalid mode.
>
> Fixes: 3aeeb13d8996 ("drm/modes: Support modes names on the command line")
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>

Applied to drm-misc-next-fixes

Thanks for figuring this out!

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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