[Bug 109887] vega56 undervolting/overclocking voltage issues

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109887

--- Comment #10 from Andrew Sheldon <asheldon55 at gmail.com> ---
(In reply to Andrew Sheldon from comment #9)
> I will note that you might still see raised voltages if you do a too
> aggressive overclock/undervolt with modded PP tables, but it seems to only
> overvolt as much as is needed (say 975mv -> 1.05V) if you set a too high
> clock, rather than jumping to the maximum possible voltage that you see by
> editing pp_od_clk_voltage.

Replying to myself here. I've found that the raised voltage occurs when forcing
GPU state to "high". If I then re-write the PP table again, it settles on the
correct voltage, and successfully switches to "high" after. I'm not sure if
this is related to some of the other voltage issues, but there you go. This
occurs on both 5.2.3 and 5.3-rc2, for the record.

I have to do this every time I force to "high", BTW.

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