SUB_FUNCTION_UPDATE_EXPANSION_INFO 8249 drivers/gpu/drm/amd/include/atombios.h #define SUB_FUNCTION_UPDATE_EXPANSION_INFO      0x8100          // Sub function 80
SUB_FUNCTION_UPDATE_EXPANSION_INFO 6979 drivers/gpu/drm/radeon/atombios.h #define SUB_FUNCTION_UPDATE_EXPANSION_INFO      0x8100          // Sub function 80