(In reply to Anthony Ruhier from comment #63)
> FYI, I also had this bug under linux 4.17 and 4.18, but it seems to have
> been fixed in 4.19-rc3. The suspend/hibernate issue has also been fixed.

Unluckily, I cannot confirm either observation: The current
amd-staging-drm-next git head still crashes on me quickly, still well
reproduceable with the 3-fps-video-replay test.

And going into S3 suspend does not work for me with the current
amd-staging-drm-next either.