Comment # 222 on bug 66963 from Alex Deucher

(In reply to comment #221)
> > Mesa and dpm are unrelated.  This bug is about dpm stability on rv6xx asics
> > regardless of what version of the userspace drivers you are using.
> 
> So what is DPM dependant on/part of? xf86-video-ati?

It's part of the radeon kernel driver.  It doesn't matter what userspace
drivers (mesa, xf86-video-ati) you use.