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How to undervolt amdgpu-pro on Ubuntu 16.04

Question asked by rdp on Jul 5, 2016

I've found some interesting things in SysFS related to the cards, but I can't quite tell how to undervolt the cards here.


Does anyone have any insight?


For example I suppose you can overclock/underclock the card by modifying `/sys/class/graphics/fb1/device/pp_sclk_od`.


Is there a similar file for undervolting?  And if so, how does it work?