https://bugs.freedesktop.org/show_bug.cgi?id=71930
--- Comment #16 from Mike Lothian mike@fireburn.co.uk --- Switching back to airlied's drm-radeon-poweroff branch which is based on 3.11-rc3 (which doesn't show my radeon card as a provider) has the following in switcheroo
0:DIS: :DynOff:0000:01:00.0 1:IGD:+:Pwr:0000:00:02.0
and this is what is shows with runpm=0 but with this set I'm able to see my radeon card as a provider