https://bugs.freedesktop.org/show_bug.cgi?id=106571
--- Comment #4 from ukbeast89@protonmail.com --- Linux 5.0-rc2 had changes to amdgpu that mentioned resume changes.
"drm/amdgpu: Don't ignore rc from drm_dp_mst_topology_mgr_resume() drm/amdgpu: Don't fail resume process if resuming atomic state fails drm/dp_mst: Add __must_check to drm_dp_mst_topology_mgr_resume()"
https://lkml.org/lkml/2019/1/13/146
could someone please test 5.0-rc1?