CB_DEBUG_BUS_21__BB_BUSY__SHIFT 1272 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_0_sh_mask.h #define CB_DEBUG_BUS_21__BB_BUSY__SHIFT 0x3 CB_DEBUG_BUS_21__BB_BUSY__SHIFT 1794 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_1_sh_mask.h #define CB_DEBUG_BUS_21__BB_BUSY__SHIFT 0x3