ucTruncate       2426 drivers/gpu/drm/amd/include/atombios.h   UCHAR  ucTruncate;    // bit0=0: Disable truncate
ucTruncate       2042 drivers/gpu/drm/radeon/atombios.h   UCHAR  ucTruncate;    // bit0=0: Disable truncate
ucTruncate        638 drivers/gpu/drm/radeon/atombios_encoders.c 			args.v2.ucTruncate = 0;