PPSMC_MSG_SetXgmiMode  109 drivers/gpu/drm/amd/powerplay/inc/arcturus_ppsmc.h #define PPSMC_MSG_SetXgmiMode                    0x38
PPSMC_MSG_SetXgmiMode  115 drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h #define PPSMC_MSG_SetXgmiMode                    0x56