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Commit e8946a53 authored by Evan Quan's avatar Evan Quan Committed by Bjorn Helgaas
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PCI: Mark AMD Navi14 GPU ATS as broken

Observed unexpected GPU hang during runpm stress test on 0x7341 rev 0x00.
Further debugging shows broken ATS is related.

Disable ATS on this part.  Similar issues on other devices:

  a2da5d8c ("PCI: Mark AMD Raven iGPU ATS as broken in some platforms")
  45beb31d ("PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken")
  5e89cd30

 ("PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken")

Suggested-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20210602021255.939090-1-evan.quan@amd.com


Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarKrzysztof Wilczyński <kw@linux.com>
Cc: stable@vger.kernel.org
parent ce00322c
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