CB_DEBUG_BUS_15__TB_BUSY_MASK  790 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_6_0_sh_mask.h #define CB_DEBUG_BUS_15__TB_BUSY_MASK 0x00000080L
CB_DEBUG_BUS_15__TB_BUSY_MASK  945 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_7_2_sh_mask.h #define CB_DEBUG_BUS_15__TB_BUSY_MASK 0x80