https://bugzilla.kernel.org/show_bug.cgi?id=213391
--- Comment #16 from Dominic Letz (dominic.letz@berlin.de) --- (In reply to Michel Dänzer from comment #15)
(In reply to Dominic Letz from comment #14)
Having the same issue on an E495 with Kernel 5.12.9. Will try to downgrade the /lib/firmware/amdgpu any hint to which git tag you would consider safe?
20210315 seems to work fine here (on an E595).
+1 trying that