Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/44897 )
Change subject: Revert "soc/amd/acpi: Move ACPI IVRS generation to coreboot"
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Patch Set 1:
This is causing complete instability on zork devices. Have you verified the coreboot IVRS table on zork with IOMMU turned on?
Only tested on Mandolin since Jason already tested on a zork device; I'm however not sure if with the no iommu kernel parameter removed from depthcharge. On Mandolin the patch didn't cause issues, but improved things
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