https://bugzilla.kernel.org/show_bug.cgi?id=72701
--- Comment #6 from klod banjacnikola@openmailbox.org --- Well, "radeon.runpm=0" allows me to boot and use the system, but with much higher temperature and shorter battery life. I wouldn't call that "fixing the issue", as it's still worse than what I have with 3.12 and "radeon.dpm=1" parameter.