https://bugs.freedesktop.org/show_bug.cgi?id=109345
--- Comment #18 from Christian Zigotzky chzigotzky@xenosoft.de --- Did you modify the behaviour of the initialisation of two graphics cards in the DRM updates 'drm-next-2018-12-14' [1]?
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...