config MTK_SMI_EXT bool "MediaTek SMI Platform Special Support" select MEMORY select MTK_SMI help This driver is for the memory controller module in MediaTek SoCs, mainly help arbitrate memory bandwidth of multimedia, and optimize multimedia memory usage in different scenarios. If you are not sure about this, set y. config MTK_SMI_VARIANT bool "MTK SMI Tablet Code" help It's for smi common tablet framework, it is used to arbitrate memory bandwidth of multimedia, it can optimize multimedia memory usage in different scenarios, and it will enable power-domain.