usEngineClock    8981 drivers/gpu/drm/amd/include/atombios.h   USHORT    usEngineClock;
usEngineClock    7676 drivers/gpu/drm/radeon/atombios.h   USHORT    usEngineClock;
usEngineClock    2151 drivers/gpu/drm/radeon/radeon_atombios.c 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);