https://bugzilla.kernel.org/show_bug.cgi?id=199319
--- Comment #18 from haro41@gmx.de --- @Harry Wentland, i am trying kernel 4.17.0-rc1 (patches already merged by linus):
With 'amdgpu.dc=1', i get a black screen now at login (perhaps related to this dc issue). I found 2 new warnings and call traces in kernel log, like:
Apr 18 18:28:41 debian kernel: WARNING: CPU: 10 PID: 345 at drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:132 generic_reg_update_ex+0x102/0x150 [amdgpu]
...