> Is it always safe to enable SMMU ASID in a middle of a DMA request made by a > memory client? >From MC point of view, It is safe to enable and has been this way from many years in downstream code for display engine. It doesn't impact the transactions that have already bypassed SMMU before enabling SMMU ASID. Transactions that are yet to pass SMMU stage would go through SMMU once SMMU ASID is enabled and visible. -KR
