https://bugzilla.kernel.org/show_bug.cgi?id=205589
--- Comment #5 from pkk@spth.de --- Looks like someone has a very similar problem (green screen crash on 5.3 and 5.4 kernels on Ryzen Vega APU) with Civ 6:
https://gitlab.freedesktop.org/drm/amd/issues/983