CB_DEBUG_BUS_13__AC_BUSY__SHIFT  735 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_6_0_sh_mask.h #define CB_DEBUG_BUS_13__AC_BUSY__SHIFT 0x00000003
CB_DEBUG_BUS_13__AC_BUSY__SHIFT  898 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_7_2_sh_mask.h #define CB_DEBUG_BUS_13__AC_BUSY__SHIFT 0x3