Sorry for the late response. Yes, I set the fan speed to max in this patch when user set high performance. Considering that: 1. set fan speed to max is helpful to let GPU run under highest clock as long as possible. 2. avoid GPU rapid temperature rise in some case. Best Regards Rex -----Original Message----- From: Andy Furniss [mailto:adf.lists@xxxxxxxxx] Sent: Wednesday, February 01, 2017 11:37 PM To: Alex Deucher Cc: Zhu, Rex; amd-gfx list Subject: Re: [PATCH 4/4] drm/amdgpu: extend profiling mode. Alex Deucher wrote: > On Tue, Jan 31, 2017 at 6:19 PM, Andy Furniss <adf.lists at gmail.com> wrote: >> 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 > > Just a heads up, Rex was looking at this, but it's Chinese New Year this week. OK, thanks & Happy new year.
