Andy Furniss wrote: > Rex Zhu wrote: >> in profiling mode, powerplay will fix power state >> as stable as possible.and disable gfx cg and LBPW feature. >> >> profile_standard: as a prerequisite, ensure power and thermal >> sustainable, set clocks ratio as close to the highest clock >> ratio as possible. >> profile_min_sclk: fix mclk as profile_normal, set lowest sclk >> profile_min_mclk: fix sclk as profile_normal, set lowest mclk >> profile_peak: set highest sclk and mclk, power and thermal not >> sustainable >> profile_exit: exit profile mode. enable gfx cg/lbpw feature. > > Testing R9 285 Tonga on drm-next-4.11-wip > > This commit has the effect that doing > > echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level > > instantly forces fan to (I guess) max, where normally it doesn't > need anything like as fast with the clocks high when doing nothing else. Ping - just in case this got missed, still the same on current drm-next-4.11-wip