https://bugs.freedesktop.org/show_bug.cgi?id=66963
--- Comment #141 from Bryan Quigley gquigs+bugs@gmail.com --- In /r600_dpm.c - void r600_start_dpm(struct radeon_device *rdev)
+ //return; //returning here works
r600_enable_sclk_control(rdev, true);
+ return; //returning here doesn't.
Will just try setting it to false next..