CB_DEBUG_BUS_13__MU_BUSY__SHIFT  751 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_6_0_sh_mask.h #define CB_DEBUG_BUS_13__MU_BUSY__SHIFT 0x00000001
CB_DEBUG_BUS_13__MU_BUSY__SHIFT  894 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_7_2_sh_mask.h #define CB_DEBUG_BUS_13__MU_BUSY__SHIFT 0x1