PCI: Mark AMD Raven iGPU ATS as broken in some platforms

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Edgar reported [1] AMD Raven iGPU errors on several of his systems.  There
is no root cause.  Turn off ATS on these systems to avoid the issue.

[1] https://lore.kernel.org/linux-iommu/MWHPR10MB1310CDB6829DDCF5EA84A14689150@MWHPR10MB1310.namprd10.prod.outlook.com/

[bhelgaas: commit log]
Link: https://lore.kernel.org/r/MWHPR10MB131082779A86BE4CCCF190B789CB0@MWHPR10MB1310.namprd10.prod.outlook.com
Reported-by: Edgar Merger <Edgar.Merger@emerson.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

...

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Alex Deucher 2020-12-10 10:08:47 -06:00 • committed by Bjorn Helgaas

parent f8394f232b

commit a2da5d8cc0

1 changed files with 14 additions and 0 deletions

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drivers/pci/quirks.c

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