Based on what I read on Phoronix, you need at least kernel 6.1 to even get the basic temp directly out of the cpu. You have to have the latest kernel branches to even have drivers like k10temp working. Apparently AMD changed everything that worked with Zen 3 so all the devs have to start from scratch. Reverse engineering everything about the Zen 4 cpus and the motherboards. won't release that data into the clear because they consider it proprietary.Ĭorefreq-cli is probing the hardware directly via SMU calls and basically guessing where the registers are and how the data is represented. Linux OTOH is open source and any documentation is public and the mfrs. Windows can because Windows developers have access to the datasheets for the SIO chips because they sign NDA agreements with the manufacturers. But so far no drivers have been implemented to find the SIO chip registers or addresses they use. Lm-sensors depends on being able to detect the SIO chip on the motherboard.
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