https://bugs.freedesktop.org/show_bug.cgi?id=71930
--- Comment #19 from Mike Lothian mike@fireburn.co.uk --- This is currently what's in switcheroo in 3.13-rc2 with runpm=1
0:IGD:+:Pwr:0000:00:02.0 1:DIS: :DynPwr:0000:01:00.0
Which seems to have a reversed order - the system keeps powering up the radeon card and powering down