ucGPIOBitVal     7170 drivers/gpu/drm/amd/include/atombios.h    UCHAR ucGPIOBitVal;           //Set/Reset corresponding bit defined in ucGPIOBitMask
ucGPIOBitVal     6021 drivers/gpu/drm/radeon/atombios.h 	UCHAR ucGPIOBitVal;		     //Set/Reset corresponding bit defined in ucGPIOBitMask