AMD Processor P-State default mode


Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Frequency scaling
└─>AMD Processor P-State default mode
In linux kernel since version 6.5 (release Date: 2023-08-27)  
Select the default mode the amd-pstate driver will use on
supported hardware.
The value set has the following meanings:
1 -> Disabled
2 -> Passive
3 -> Active (EPP)
4 -> Guided

For details, take a look at: