mmGB_BACKEND_MAP_DEFAULT 1432 drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_1_0_default.h #define mmGB_BACKEND_MAP_DEFAULT                                                 0x00000000
mmGB_BACKEND_MAP_DEFAULT  484 drivers/gpu/drm/amd/include/asic_reg/gc/gc_9_0_default.h #define mmGB_BACKEND_MAP_DEFAULT                                                 0x76541032