uc480i 4453 drivers/gpu/drm/amd/include/atombios.h UCHAR uc480i; uc480i 4470 drivers/gpu/drm/amd/include/atombios.h UCHAR uc480i; uc480i 3961 drivers/gpu/drm/radeon/atombios.h UCHAR uc480i; uc480i 3978 drivers/gpu/drm/radeon/atombios.h UCHAR uc480i;