ulLClockFreq     3451 drivers/gpu/drm/amd/include/atombios.h   ULONG                      ulLClockFreq;              //GPU Lclk freq in 10kHz unit, have relationship with NCLK in NorthBridge
ulLClockFreq     2997 drivers/gpu/drm/radeon/atombios.h   ULONG                      ulLClockFreq;              //GPU Lclk freq in 10kHz unit, have relationship with NCLK in NorthBridge