ucMaxLinkRate    4208 drivers/gpu/drm/amd/include/atombios.h   UCHAR   ucMaxLinkRate;           //06h : 1.62Gbps per lane; 0Ah = 2.7Gbps per lane
ucMaxLinkRate    3727 drivers/gpu/drm/radeon/atombios.h   UCHAR   ucMaxLinkRate;           //06h : 1.62Gbps per lane; 0Ah = 2.7Gbps per lane