[PATCH 4/4] drm/amdgpu: extend profiling mode.

[Andy Furniss]

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