[Bug 108575] amd-staging-drm-next, R4 Mullins hdmi monitor wont wake up from S3 - *ERROR* REG_WAIT timeout 1us * 80000 tries - dce_abm_immediate_disable

https://bugs.freedesktop.org/show_bug.cgi?id=108575

--- Comment #4 from Przemek soprwa@gmail.com --- Yesterday I have observed a strange behavior.

After suspend/resume cycle HDMI screen is turned off, but when you trigger hibernate/resume after suspend/resume HDMI output is turned back on and is working properly. (Yes, hibernation works on CIK and amdgpu now!! Thank you so much!!)

As given above a question arise, are there other-different triggers/resets in suspend/resume and hibernate/resume cycles for those asics?

Thanks, Przemek.