https://bugzilla.kernel.org/show_bug.cgi?id=209713
--- Comment #17 from Lahfa Samy (samy@lahfa.xyz) ---
Looks like this is fixed in 5.11.0 and 5.11.1.
I'm still getting this issue reliably under kernel 5.11.1 when resuming from suspended state.(In reply to Oliver Reeh from comment #16)
So I confirm this for 5.11.1, still not solved.