[PATCH 4/4] drm/amd/powerplay: add profiling mode in dpm level

[Andy Furniss]

Alex Deucher wrote:
> On Fri, Dec 23, 2016 at 3:45 AM, Rex Zhu <Rex.Zhu at amd.com> wrote:
>> Change-Id: I4a46440882cd94fe5e77e3f351aaccc218a2ece5
>
> Patches 1-3:
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>
> patch 4:
> Please add a better patch description and explain what profiling mode
> is good for, etc.

This on drm-next-4.10-wip regresses setting profile a bit on R9285.

It works eg. if in auto then doing

echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level

is OK and echo auto  > ... is also OK.

The issue if I am in auto and echo auto > .... then I don't get my
prompt back.

echo high from elsewhere will make it return - but it doesn't set high.