https://bugzilla.kernel.org/show_bug.cgi?id=197925
--- Comment #11 from Charles (ylang-ylang@libertysurf.fr) --- Hi team,
Just to say... same error :
[drm:hwss_wait_for_blank_complete [amdgpu]] *ERROR* DC: failed to blank crtc!
with 4.15-rc4
(on the same noteboook)