AuxXxilium/linux_dsm_epyc7002
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Merge branch 'pci/virtualization'

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- Mark ATS on AMD Stoney Radeon R7 GPU broken to avoid IOMMU issues
    (Nikolai Kostrigin)

  - Mark Atheros AR9462 to avoid bus reset that locks up host machine
    (James Prestwood)

* pci/virtualization:
  PCI: Mark Atheros AR9462 to avoid bus reset
  PCI: Mark AMD Stoney Radeon R7 GPU ATS as broken
This commit is contained in:
Bjorn Helgaas 2019-05-13 18:34:35 -05:00
commit c711a84af0
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/quirks.c
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@ -3425,6 +3425,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
/*
* Root port on some Cavium CN8xxx chips do not successfully complete a bus
@ -4920,6 +4921,7 @@ static void quirk_no_ats(struct pci_dev *pdev)
/* AMD Stoney platform GPU */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_no_ats);
#endif /* CONFIG_PCI_ATS */
/* Freescale PCIe doesn't support MSI in RC mode */