(In reply to llyyr from comment #8) > (In reply to Takashi Iwai from comment #7) > > It's a good news. At least we're heading to the right direction. > > > > I can backport the workaround patch to TW, but since the upstream got a > > significant rewrite of the relevant code, let's check whether it covers your > > problem at first. > > > > I'm building another test kernel with two upstream backports: > > 2d5bb791e24f43b6b4231b7973009987bbcc9b06 > > drm/amd/display: Implement update_planes_and_stream_v3 sequence > > d62d5551dd615f9e488b13595d69b308cd019e16 > > drm/amd/display: Backup and restore only on full updates > > > > It's being built in OBS home:tiwai:bsc1225147 repo. The package will appear > > at > > http://download.opensuse.org/repositories/home:/tiwai:/bsc1225147/standard/ > > Please give it a try later. > > > That does not resolve the issue, I can still reproduce the hard lockup. Thanks, good to know. Just to be sure, could you try kernel-vanilla package in my OBS home:tiwai:kernel:drm-tip repo? http://download.opensuse.org/repositories/home:/tiwai:/kernel:/drm-tip/standard/