Created attachment 136922 [details]
Dmesg with errors

I've been seeing messages about being unable to allocate an fbcon object

I've bisected it back to:

4983e48c8539282be15f660bdd2c4260467b1190 is the first bad commit
commit 4983e48c8539282be15f660bdd2c4260467b1190
Author: Lucas Stach <l.stach@pengutronix.de>
Date:   Wed Dec 6 17:49:40 2017 +0100

    drm/sched: move fence slab handling to module init/exit

    This is the only part of the scheduler which must not be called from
    different drivers. Move it to module init/exit so it is done a single
    time when loading the scheduler.

    Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
    Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
    Acked-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

I see the issue with both DC and the old display setting code