mmBIF_SSA_MC_UPPER  600 drivers/gpu/drm/amd/include/asic_reg/bif/bif_3_0_d.h #define mmBIF_SSA_MC_UPPER 0x14D5
mmBIF_SSA_MC_UPPER  108 drivers/gpu/drm/amd/include/asic_reg/bif/bif_4_1_d.h #define mmBIF_SSA_MC_UPPER                                                      0x14d5