phase_delay_us   2271 drivers/gpu/drm/amd/include/atomfirmware.h    uint8_t  phase_delay_us;                      // phase delay in unit of micro second
phase_delay_us    140 drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c 					voltage_object->gpio_voltage_obj.phase_delay_us;