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

Sam Ravnborg sam at ravnborg.org
Wed Sep 1 14:17:43 UTC 2021


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

Very interesting. Does anyone knows why this never 
hit mainline?

	Sam - who is looking forward to winter with more time for
	      hacking again


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