https://bugs.freedesktop.org/show_bug.cgi?id=99881
--- Comment #4 from Michel Dänzer michel@daenzer.net --- (In reply to Matthew Fox from comment #3)
This is a fresh install and I have not set that env var anywhere. Where could I check for that?
What does
env | grep DRI_
say?
Does that mean with radeon.runpm=0 the laptop would be using more power & generating more heat?
Yes (assuming the dedicated GPU is off most of the time with runpm on).