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| author | Wu Zongyong <wuzongyong@linux.alibaba.com> | 2023-04-10 20:34:11 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-23 10:48:05 +0200 |
| commit | aff469bd147cf50aafb0247ecbee89e4d2ce8b01 (patch) | |
| tree | dad2c208716390e71509ac5834c254f1cd00a66e | |
| parent | 572b17bf4b4500ba5268b1cc0e90b8cc82061609 (diff) | |
| download | linux-stable-aff469bd147cf50aafb0247ecbee89e4d2ce8b01.tar.gz linux-stable-aff469bd147cf50aafb0247ecbee89e4d2ce8b01.tar.bz2 linux-stable-aff469bd147cf50aafb0247ecbee89e4d2ce8b01.zip | |
PCI: Mark NVIDIA T4 GPUs to avoid bus reset
[ Upstream commit d5af729dc2071273f14cbb94abbc60608142fd83 ]
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: 4c207e7121fa ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/pci/quirks.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index fa9d6c8f1cf8..a43e0e20b1ea 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3472,7 +3472,7 @@ static void quirk_no_bus_reset(struct pci_dev *dev) */ static void quirk_nvidia_no_bus_reset(struct pci_dev *dev) { - if ((dev->device & 0xffc0) == 0x2340) + if ((dev->device & 0xffc0) == 0x2340 || dev->device == 0x1eb8) quirk_no_bus_reset(dev); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, |