uc480p 4454 drivers/gpu/drm/amd/include/atombios.h UCHAR uc480p; uc480p 4471 drivers/gpu/drm/amd/include/atombios.h UCHAR uc480p; uc480p 3962 drivers/gpu/drm/radeon/atombios.h UCHAR uc480p; uc480p 3979 drivers/gpu/drm/radeon/atombios.h UCHAR uc480p;