The patches going back to last year cited new Family 19h Models while now it turns out some model IDs were missing. Out today is the latest patch series for k10temp in preparing the Zen 4 support.
Going back to last year AMD was preparing for next-gen CPUs with k10temp changes to support up to 12 CCDs and making other driver patches for new PCI IDs. While on the AMD side, it's not a huge engineering effort but something that pleases tech-minded Linux enthusiasts. It's certainly not critical for most users, but a personal frustration since for launch-day CPU reviews it's great including thermal data that hasn't been possible when requiring more than the new IDs when in the past there were at times questions over offsets, etc. Thankfully that has been changing and with Zen 4 it looks like that support will be ready for launch-day with the mainline Linux kernel.ĪMD with Rembrandt (Yellow Carp) they managed to land the k10temp support pre-launch and for Zen 4 they have also been working for some time now on ensuring CPU temperature monitoring on Linux is working. Even though usually just new IDs are often needed and sometimes needing to adjust offsets or other minor changes, it has traditionally been done post-launch and sometimes left up to patches from the open-source community. One of my personal gripes with AMD's Zen CPU support on Linux has been the lack of timely support for CPU temperature monitoring with their "k10temp" driver.
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