CONFIG_DT_IDLE_GENPD (not configurable)

modulename: dt_idle_genpd.ko

configname: CONFIG_DT_IDLE_GENPD

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Idle
└─>DT_IDLE_GENPD
In linux kernel since version 5.2 (release Date: 2019-07-07)  
source code:
drivers/cpuidle/dt_idle_genpd.c