ATHUB_COMMAND__BUS_MASTER_EN__SHIFT 500 drivers/gpu/drm/amd/include/asic_reg/athub/athub_1_0_sh_mask.h #define ATHUB_COMMAND__BUS_MASTER_EN__SHIFT 0x2 ATHUB_COMMAND__BUS_MASTER_EN__SHIFT 500 drivers/gpu/drm/amd/include/asic_reg/athub/athub_2_0_0_sh_mask.h #define ATHUB_COMMAND__BUS_MASTER_EN__SHIFT 0x2