iommu/amd: Move Stoney Ridge check to detect_ivrs()

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The AMD IOMMU will not be enabled on AMD Stoney Ridge systems. Bail
out even earlier and refuse to even detect the IOMMU there.

References: https://bugzilla.kernel.org/show_bug.cgi?id=212133
References: https://bugzilla.suse.com/show_bug.cgi?id=1183132
Cc: stable@vger.kernel.org # v5.11
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20210317091037.31374-2-joro@8bytes.org
Acked-by: Huang Rui <ray.huang@amd.com>

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Joerg Roedel 2021-03-17 10:10:35 +01:00

parent 1e28eed176

commit 072a03e0a0

1 changed files with 12 additions and 11 deletions

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23

drivers/iommu/amd/init.c

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