(In reply to comment #14)
> Please ignore my post, it was a kernel configuration problem. Got confused
> by the many tests and used a wrong config... DPM works fine now, but radeon
> ring 5 problem with GPU stall after resuming from hibernation still exists
> in 3.11-rc2. Maybe some patches haven't made it into git yet, so I'll look
> for them.

What was the error in your kernel config?