From: Bjorn Helgaas <bhelgaas@google.com>
Date: Thu, 7 Sep 2017 18:24:41 +0000 (-0500)
Subject: Merge branch 'pci/virtualization' into next
X-Git-Tag: v4.14-rc1~87^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf2d804110d3c20dc6865ade514c44179de34855;p=platform%2Fkernel%2Flinux-rpi3.git

Merge branch 'pci/virtualization' into next

* pci/virtualization:
  PCI: Disable VF decoding before pcibios_sriov_disable() updates resources
  PCI: Add ACS quirk for APM X-Gene devices
  PCI: Mark AMD Stoney GPU ATS as broken

Conflicts:
	drivers/pci/quirks.c
---

cf2d804110d3c20dc6865ade514c44179de34855
diff --cc drivers/pci/quirks.c
index 35dcd90,92bea8a..3821c11
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@@ -4665,18 -4696,17 +4679,33 @@@ static void quirk_intel_no_flr(struct p
  DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_intel_no_flr);
  DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_intel_no_flr);
  
 +static void quirk_no_ext_tags(struct pci_dev *pdev)
 +{
 +	struct pci_host_bridge *bridge = pci_find_host_bridge(pdev->bus);
 +
 +	if (!bridge)
 +		return;
 +
 +	bridge->no_ext_tags = 1;
 +	dev_info(&pdev->dev, "disabling Extended Tags (this device can't handle them)\n");
 +
 +	pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL);
 +}
 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0140, quirk_no_ext_tags);
 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0142, quirk_no_ext_tags);
 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0144, quirk_no_ext_tags);
++
+ #ifdef CONFIG_PCI_ATS
+ /*
+  * Some devices have a broken ATS implementation causing IOMMU stalls.
+  * Don't use ATS for those devices.
+  */
+ static void quirk_no_ats(struct pci_dev *pdev)
+ {
+ 	dev_info(&pdev->dev, "disabling ATS (broken on this device)\n");
+ 	pdev->ats_cap = 0;
+ }
+ 
+ /* AMD Stoney platform GPU */
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats);
+ #endif /* CONFIG_PCI_ATS */