mmXPB_CLG_EXTRA_RD  350 drivers/gpu/drm/amd/include/asic_reg/athub/athub_1_0_offset.h #define mmXPB_CLG_EXTRA_RD	0x00ab
mmXPB_CLG_EXTRA_RD  379 drivers/gpu/drm/amd/include/asic_reg/athub/athub_2_0_0_offset.h #define mmXPB_CLG_EXTRA_RD                                                                             0x00b3