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Linux Gamers Rejoice As AMD Unlocks Official Ryzen Overclocking

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AMD has officially ported over the AMD Overclocking Driver (AOD) used by the popular AMD Ryzen Master Software to Linux, but it's not a complete port of Ryzen Master's feature set just yet. Currently, the initial version of the AMD AOD Linux driver is intentionally limited to the following functions, per AMD's Shyam Sundar S K:

  • Simultaneous Multi-Threading (SMT) enable/disable switch.
  • Read-only memory clock.
  • PPT, TDC, and EDC limit adjustments along with their supported range and step size.

As stated in the notes sent out to the AMD Linux platform driver mailing list, "the firmware applies new values on the next reboot and does not report the active PPT, TDC, and EDC limits, so these attributes are write-only. [..] AOD changes [..] the PBO PPT limit, which is stored and applies on the next boot. HSMP changes the runtime limit in the SMU, which takes effect immediately and is lost...

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