NVIDIA T4 GPUs do not work with SBR. This problem is found when the T4 card is direct attached to a Root Port only. So avoid bus reset by marking T4 GPUs PCI_DEV_FLAGS_NO_BUS_RESET. Fixes: 4c207e7121fa ("PCI: Mark some NVIDIA GPUs to avoid bus reset") Signed-off-by: Wu Zongyong <wuzongyong@xxxxxxxxxxxxxxxxx> --- drivers/pci/quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 44cab813bf95..be86b93b9e38 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3618,7 +3618,7 @@ 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, -- 2.34.3