AMD has submitted a Linux overclocking driver for Ryzen processors, giving enthusiasts official tuning controls after a lengthy wait outside the Windows club.
AMD engineer Shyam Sundar S K posted the proposed AOD WMI driver, which connects Linux to platform firmware. The initial patches expose Package Power Tracking, Thermal Design Current and Electrical Design Current limits through sysfs, together with their supported ranges. Users can toggle simultaneous multithreading at the firmware level and read current memory clocks.
According to Phoronix, power changes take effect after a reboot. Anyone expecting instant gratification will have time to admire their bootloader. The firmware supports additional commands, but the initial driver exposes only a subset.
The submitted work includes no accompanying AMD graphical application, so a Linux version of Ryzen Master remains wishful thinking. Phoronix suggests independent developers could build interfaces around the exposed controls.
For now, the patches are awaiting review on the kernel mailing list. AMD has proposed the support, but it hasn’t become a standard feature in a released kernel yet.
