ucGPIOBitShift   7169 drivers/gpu/drm/amd/include/atombios.h   UCHAR ucGPIOBitShift;        //define which bit in uGPIOBitVal need to be update
ucGPIOBitShift   6020 drivers/gpu/drm/radeon/atombios.h   UCHAR ucGPIOBitShift;	     //define which bit in uGPIOBitVal need to be update