On Fri, Aug 16, 2024 at 05:31:31PM +0530, Vasant Hegde wrote: > > I see. So AMD side also has a gap. Is it easy to make it suit Jason's > > suggestion in the above? > > We can do that. We can enable ATS, PRI and PASID capability during probe time > and keep it enabled always. I don't see a downside to enabling PASID at probe time, it exists to handshake with the device if the root complex is able to understand PASID TLPs. SMMU3 calls arm_smmu_probe_device arm_smmu_enable_pasid pci_enable_pasid So it looks Ok Jason
