Phoronix: Linux 5.20 To Help Ensure Intel CPUs With AMX Can Hit Their Lowest Power Idle States

In addition to new kernel code and updated firmware fixing a power management issue for Xeon Scalable "Sapphire Rapids" where C1 and C1E power states were mutually exclusive, another important Sapphire Rapids power management improvement is on the way with the upcoming Linux 5.20 kernel cycle...

https://www.phoronix.com/news/Linux-...ow-Power-State