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References: <2527f0ef-dae1-9ad5-84a4-00712c44940d@tronnes.org>
Subject: Re: [RFC PATCH 0/4] Allow to use DRM fbdev emulation layer with
 CONFIG_FB disabled
From:   =?UTF-8?Q?Noralf_Tr=c3=b8nnes?= <noralf@tronnes.org>
Message-ID: <ff6a590e-19ee-b2b6-bed5-236962637418@tronnes.org>
Date:   Thu, 9 Sep 2021 18:27:02 +0200
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> > 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@tronnes.org/

And here's a DRM console example that was part of the early drm_client work:

[RFC v4 25/25] drm/client: Hack: Add DRM VT console client
https://lore.kernel.org/dri-devel/20180414115318.14500-26-noralf@tronnes.org/

Noralf.