mmCB_DEBUG_BUS_20 194 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_0_d.h #define mmCB_DEBUG_BUS_20 0x26ac mmCB_DEBUG_BUS_20 194 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_1_d.h #define mmCB_DEBUG_BUS_20 0x26ac