PCI: Disable MSI on SiS 761 (10b4ad1a) · Commits · 戴 / test

MSI is broken on SiS 761 chipset at least on PC Chips A31G board. No interrupts are delivered once MSI is enabled for a device. This causes hang on X11 start with a nVidia card installed (with nouveau driver). Disable MSI completely for this chipset. Signed-off-by:

Ondrej Zary <linux@rainbow-software.org> Signed-off-by:

Bjorn Helgaas <helgaas@kernel.org>

drivers/pci/quirks.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2230,6 +2230,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3336, quirk_disab
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi);
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3364, quirk_disable_all_msi);
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8380_0, quirk_disable_all_msi);
		DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, 0x0761, quirk_disable_all_msi);

		/* Disable MSI on chipsets that are known to not support it */
		static void quirk_disable_msi(struct pci_dev *dev)

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