
Yong Wu developed a power management driver for the MT8196 MediaTek SMMU within the zephyrproject-rtos/trusted-firmware-a repository, focusing on robust reference counting to manage power domain access across Multimedia and APU SMMUs. His implementation handled get and put commands from both Linux (EL1) and hypervisor (EL2) environments, ensuring correct power state transitions. To address build continuity, Yong Wu also introduced stub implementations for the Mediatek MMinfra driver, allowing builds to complete even when the prebuilt library was unavailable. His work leveraged C and Makefile expertise, contributing to platform bring-up readiness and smoother integration of MT8196 into Trusted Firmware A.

December 2024 monthly summary for zephyrproject-rtos/trusted-firmware-a focusing on delivering critical SMMU power management capabilities for MT8196 and ensuring build continuity with MMinfra stub implementations. Highlights include the successful delivery of a power-managed SMMU driver and the addition of build stub support to unblock integration.
December 2024 monthly summary for zephyrproject-rtos/trusted-firmware-a focusing on delivering critical SMMU power management capabilities for MT8196 and ensuring build continuity with MMinfra stub implementations. Highlights include the successful delivery of a power-managed SMMU driver and the addition of build stub support to unblock integration.
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