https://bugs.freedesktop.org/show_bug.cgi?id=91880
--- Comment #144 from Michel Dänzer michel@daenzer.net --- (In reply to Harald Judt from comment #143)
With radeon, DPM still fails to resume properly for the 390 after hibernation.
Make sure the bonaire_uvd.bin firmware file is up to date, see bug 98988.