Hi! I am a unsure how this message is appropriate here as most messages are patches.
I have temporary access (while helping the computer with a full disk situation), to test a computer with RS780C GPU,
where when resuming with default ShadowPrimary off, ring 0 stalled happens on almost each resume from suspend to ram.
Seems fixed by enabling ShadowPrimary (radeon driver).
I mentions this bug on: https://bugzilla.kernel.org/show_bug.cgi?id=85421
The question is there some test I could do that would help pinpoint the problem?
Like a particular drm.debug value boot parameter or something similar?
