ucCTL1GPIOState 4753 drivers/gpu/drm/amd/include/atombios.h UCHAR ucCTL1GPIOState; //Set to 1 when it's active high ucCTL1GPIOState 4253 drivers/gpu/drm/radeon/atombios.h UCHAR ucCTL1GPIOState; //Set to 1 when it's active high