AMD Processor P-State driver

modulename: amd_pstate.ko
configname: CONFIG_X86_AMD_PSTATE

Linux Kernel Configuration
└─> Power management and ACPI options
└─> CPU Frequency scaling
└─> ACPI (Advanced Configuration and Power Interface) Support
└─> AMD Processor P-State driver

This driver adds a CPUFreq driver which utilizes a fine grain
processor performance frequency control range instead of legacy
performance levels. _CPC needs to be present in the ACPI tables
of the system.

For details, take a look at:

If in doubt, say N.

source code: