ucMR5hi 7696 drivers/gpu/drm/amd/include/atombios.h UCHAR ucMR5hi; // ucMR5hi 7734 drivers/gpu/drm/amd/include/atombios.h UCHAR ucMR5hi; // ucMR5hi 6506 drivers/gpu/drm/radeon/atombios.h UCHAR ucMR5hi; // ucMR5hi 6541 drivers/gpu/drm/radeon/atombios.h UCHAR ucMR5hi; //