[Bug 92936] Tonga powerplay isssues

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92936

--- Comment #2 from Andy Furniss <adf.lists at gmail.com> ---
This does boost uvd perf above historical level, though not as much as I
expected.

The Failed to send Message is also gone.

Can't find requested voltage id in vdd_dep_on_sclk table! is still present in
dmesg.

The use of UVD still regresses OpenGL perf.

It seems it's when I am in this state power_dpm_force_performance_level does
not accept input. It is still "untouched" = auto and now if I try high it won't
take it. In dmesg I see -

[ 2761.751646] Failed to send Message.
[ 2761.751649] force highest pcie dpm state failed!

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