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PCI: Mark AMD Raven iGPU ATS as broken in some platforms
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 10 Dec 2020 16:08:47 +0000 (10:08 -0600)
committerBjorn Helgaas <bhelgaas@google.com>
Thu, 10 Dec 2020 17:41:20 +0000 (11:41 -0600)
commita2da5d8cc0b0ba637bdca8887f5ecc72f18c7e81
treec450baae028877176ea644734eb1ff43e8aed9e6tree | snapshot
parentf8394f232b1eab649ce2df5c5f15b0e528c92091commit | diff
PCI: Mark AMD Raven iGPU ATS as broken in some platforms

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>
drivers/pci/quirks.c diff | blob | history
Domain: System / Kernel;