For MTL ES2, something is wrong with the devTLB invalidation for IPU, it will cause the transaction between IPU and IOMMU failure. Once vt-d enabled in the system, it will cause system hang. Solution is to disable the PCI ATS for IPU which was enabled by default.
For MTL ES2, something is wrong with the devTLB invalidation for IPU, it will cause the transaction between IPU and IOMMU failure. Once vt-d enabled in the system, it will cause system hang. Solution is to disable the PCI ATS for IPU which was enabled by default.
Test Platform: mtlrvp rex-ES2