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PCI: Mark NVIDIA T4 GPUs to avoid bus reset
NVIDIA T4 GPUs do not work with SBR. This problem is found when the T4 card
is direct attached to a Root Port only. Avoid bus reset by marking T4 GPUs
PCI_DEV_FLAGS_NO_BUS_RESET.
Fixes: 4c207e7121
("PCI: Mark some NVIDIA GPUs to avoid bus reset")
Link: https://lore.kernel.org/r/2dcebea53a6eb9bd212ec6d8974af2e5e0333ef6.1681129861.git.wuzongyong@linux.alibaba.com
Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -3724,7 +3724,7 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
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*/
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static void quirk_nvidia_no_bus_reset(struct pci_dev *dev)
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{
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if ((dev->device & 0xffc0) == 0x2340)
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if ((dev->device & 0xffc0) == 0x2340 || dev->device == 0x1eb8)
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quirk_no_bus_reset(dev);
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}
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
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