ucMaxHTLinkWidth  376 drivers/gpu/drm/amd/include/pptable.h       UCHAR  ucMaxHTLinkWidth;            // From SBIOS - {2, 4, 8, 16}
ucMaxHTLinkWidth  349 drivers/gpu/drm/radeon/pptable.h       UCHAR  ucMaxHTLinkWidth;            // From SBIOS - {2, 4, 8, 16}