linux-kernel - [PATCH 3.10 06/46] PCI: Add new ID for Intel GPU "spurious interrupt" quirk

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Message-Id: <20140704221602.562787310@linuxfoundation.org>
Date:	Fri,  4 Jul 2014 15:19:10 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Thomas Jarosch <thomas.jarosch@...ra2net.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH 3.10 06/46] PCI: Add new ID for Intel GPU "spurious interrupt" quirk

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Jarosch <thomas.jarosch@...ra2net.com>

commit 7c82126a94e69bbbac586f0249e7ef11e681246c upstream.

After a CPU upgrade while keeping the same mainboard, we faced "spurious
interrupt" problems again.

It turned out that the new CPU also featured a new GPU with a different PCI
ID.

Add this PCI ID to the quirk table.  Probably all other Intel GPU PCI IDs
are affected, too, but I don't want to add them without a test system.

See f67fd55fa96f ("PCI: Add quirk for still enabled interrupts on Intel
Sandy Bridge GPUs") for some history.

[bhelgaas: add f67fd55fa96f reference, stable tag]
Signed-off-by: Thomas Jarosch <thomas.jarosch@...ra2net.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/pci/quirks.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2930,6 +2930,7 @@ static void disable_igfx_irq(struct pci_
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
 
 /*
  * Some devices may pass our check in pci_intx_mask_supported if


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