Hi Noralf, On Thu, Sep 09, 2021 at 06:27:02PM +0200, Noralf Trønnes wrote: > > > > 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/ > > 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@xxxxxxxxxxx/ Thanks for providing these pointers. Looks forwards to find time to play with all this. Having an embedded board without any fbdev stuff seems like a nice goal. Sam
