On 12/19/25 8:55 PM, Marijn Suijten wrote: > On 2025-12-19 12:39:01, Abel Vesa wrote: >> This reverts commit 5978864e34b66bdae4d7613834c03dd5d0a0c891. >> >> At least on Hamoa based devices, there are IOMMU faults: >> >> arm-smmu 15000000.iommu: Unhandled context fault: fsr=0x402, >> iova=0x00000000, fsynr=0x3d0023, cbfrsynra=0x1c00, cb=13 >> arm-smmu 15000000.iommu: FSR = 00000402 [Format=2 TF], SID=0x1c00 >> arm-smmu 15000000.iommu: FSYNR0 = 003d0023 [S1CBNDX=61 PNU PLVL=3] > > I thought that this was normal, and that I was always seeing these on startup > (something to do with framebuffer), but indeed by reverting this patch these > are gone on at least the Xperia XZ2 (regular CMD-mode panel) and XZ3 (CMD-mode > panel, 2:2:1 DSC-merge topology), both sdm845-based phones.
This is very close to what you've seen, but note this one comes with iova = 0, meaning we're likely passing some garbage somewhere Konrad
