mmMC_VM_NB_TOP_OF_DRAM3 681 drivers/gpu/drm/amd/include/asic_reg/gmc/gmc_8_1_d.h #define mmMC_VM_NB_TOP_OF_DRAM3 0xf997 mmMC_VM_NB_TOP_OF_DRAM3 682 drivers/gpu/drm/amd/include/asic_reg/gmc/gmc_8_2_d.h #define mmMC_VM_NB_TOP_OF_DRAM3 0xf997