Re: [RFC PATCH 0/4] Allow to use DRM fbdev emulation layer with CONFIG_FB disabled

From: Noralf Trønnes
Date: Thu Sep 09 2021 - 11:52:50 EST



> Hi Daniel,
>
> >
> > I think for a substantial improvement here in robustness what you really
> > want is
> > - kmscon in userspace
> > - disable FB layer
> > - ideally also disable console/vt layer in the kernel
> > - have a minimal emergency/boot-up log thing in drm, patches for that
> > floated around a few times
>
> I assume you refer to this work by David Herrmann:
> "[RFC] drm: add kernel-log renderer"
> https://lists.freedesktop.org/archives/dri-devel/2014-March/055136.html
>

There's also this:

[PATCH v2 0/3] drm: Add panic handling
https://lore.kernel.org/dri-devel/20190311174218.51899-1-noralf@xxxxxxxxxxx/

Noralf.