Ability to switch between acpi_cpufreq and amd-pstate for recent Ryzen CPUs

[timocapa]

See: https://docs.kernel.org/admin-guide/pm/amd-pstate.html

 

This may or may not provide better performance, however it should help with power usage due to being able to clock much lower.

 

If I recall correctly, my 5600x on my Arch Linux install with acpi-cpufreq can clock around 2.2 GHz and its turbo of 4.85 Ghz, while with amd-pstate it's:

 

hardware limits: 550 MHz - 4.88 GHz

 

Edited December 23, 2022 by timocapa

[ich777]

On 12/23/2022 at 2:17 AM, timocapa said:

This may or may not provide better performance

Pstate should be already available in 6.11.5, also see this post here:

 

I don't have a AMD system on hand so I can't test that...