On 23/07/2022 05:19, Chengci.Xu wrote: > For concerns about security, the register to enable/disable IOMMU of > SMI LARB should only be configured in secure world. Thus, we add some > SMC command for multimedia master to enable/disable MM IOMMU in ATF by > setting the register of SMI LARB. This function is prepared for MT8188. Could you not Cc non-existing email addresses? It causes annoying bounces every time I deal with Mediatek: 550 Relaying mail to srv_heupstream@xxxxxxxxxxxx is not allowed Best regards, Krzysztof