Hello guys and girls,

You can now edit pp_table under Linux using amdtweak : https://github.com/kobalicek/amdtweak
This is NOT a tool to edit memory stripes.

There is a command-line tools based on node.js that can be use with any bash script.
This is a pure software tool, you do not need to flash the bios or reboot the system to apply any new settings.
It doesn't need a GUI so you can use it in a remote SSH session on your rig.

There is much more parameters you can set than on any other tools, so take care !
Dump pp_table from your card first and start to learn with it before to inject any stupid setting in your card.
This tool can be use in test mode on a pp_table file (a dump from your card bios pp_table) before to play with your real GPU.

I have validated it on Rx 560 and Rx 480 (bios mod 580), so it should work with any RX 4xx and RX 5xx.

Test system :
Linux Ubuntu 16.04.3 LTS,
ROCm kernel (4.11.0-kfd-compute-rocm-rel-1.6-148),
amdpgu-pro driver (amdgpu-pro-17.30-458935).
AMD-APP-SDK-v3.0.130.136-GA-linux64.

Tested and validated parameters :
 - core : clock and Vddc
 - mem : clock and Vddc

GPU P-5 sample :
  --set SocClockDependencyTable.Entries[5].SocClock=120000 \
  --set SocClockDependencyTable.Entries[5].Vddc=11 \
  --set VddcLookupTable.Entries[11].Vdd=900 \

MEM P-2 sample :
  --set MemClockDependencyTable.Entries[2].MemClock=206000 \
  --set MemClockDependencyTable.Entries[2].Vddc=1 \
  --set VddcLookupTable.Entries[1].Vdd=850 \

Note : All offset parameters doesn't seams to be taken in account by the driver.

I will test it on Rx Vega soon.

Best regards,

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