(In reply to dwagner from comment #14)
> (In reply to Andrey Grodzovsky from comment #13)
> > What ASIC are you using ? I also tested with
> > gfx8 ASIC and haven't observed any issues with resume. Did you update the
> > firmware for this ASIC to latest #
> 
> The GPU is an RX460 "POLARIS11 0x1002:0x67EF 0x1682:0x9460 0xCF",
> with the latest firmware from the kernel git, you can see the
> details from https://bugs.freedesktop.org/attachment.cgi?id=140383
> uploaded earlier.

We have only minor differences but I can't reproduce it. Maybe the resume
failure is indeed due the eviction failure during suspend. Is S3 failure is
happening only when you switch to CPU update mode ?