CB_DEBUG_BUS_15__CS_BUSY__SHIFT  777 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_6_0_sh_mask.h #define CB_DEBUG_BUS_15__CS_BUSY__SHIFT 0x00000004
CB_DEBUG_BUS_15__CS_BUSY__SHIFT  940 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_7_2_sh_mask.h #define CB_DEBUG_BUS_15__CS_BUSY__SHIFT 0x4