GPU under-volting and performance governors - AMD

[anotherriddle]

Unfortunately not my field of expertise, but I will link this (somewhat relevant) recent thread here:

How to overclock Vega on Linux...?

I recently upgraded to a Vega 56 (specifically the MSI Air Boost Vega 56 “OC” edition.) Initial clock speeds under Windows were pretty weak; I was only hitting 1320MHz in demanding scenarios. Then following some advice from @thro I undervolted by 100mV and increased the power limit by +50%, and saw clock speeds jump to a high of 1580MHz. Keep in mi…

Trying Out AMDGPU Overdrive Radeon Overclocking On Linux 4.15

TL;DR it’s not really supported but also not completely out of the question.