mmCB_DEBUG_BUS_21 195 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_0_d.h #define mmCB_DEBUG_BUS_21 0x26ad mmCB_DEBUG_BUS_21 195 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_1_d.h #define mmCB_DEBUG_BUS_21 0x26ad