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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> | 2023-09-13 09:42:46 +0200 |
| commit | 8562df72cff2d125ee3eff966bfeece782005422 (patch) | |
| tree | 4bd8b2aa5bcb7bb51e5f94d77847256b85aafaae | |
| parent | f3229c9cb634aa3f7c300c4ec9e311f747fc371f (diff) | |
| download | linux-stable-8562df72cff2d125ee3eff966bfeece782005422.tar.gz linux-stable-8562df72cff2d125ee3eff966bfeece782005422.tar.bz2 linux-stable-8562df72cff2d125ee3eff966bfeece782005422.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 472fa2c8ebce..d6fe44a5270d 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3631,7 +3631,7 @@ 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, |