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| author | Olof Johansson <olof@lixom.net> | 2013-02-10 04:41:37 +0400 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-02-10 04:41:37 +0400 |
| commit | 94c16ea6ea75f8f5de92d10a647155ccf0d05436 (patch) | |
| tree | 012d247bf686e1c49ef3ad0048b94de4970c066b /drivers/iommu/intel-iommu.c | |
| parent | cf55f672c325f234d96911571a775b2e7d9cf284 (diff) | |
| parent | 88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff) | |
| download | linux-94c16ea6ea75f8f5de92d10a647155ccf0d05436.tar.xz | |
Merge tag 'v3.8-rc6' into next/cleanup
Linux 3.8-rc6
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index b9d091157884..eca28014ef3e 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4234,6 +4234,21 @@ static struct iommu_ops intel_iommu_ops = { .pgsize_bitmap = INTEL_IOMMU_PGSIZES, }; +static void quirk_iommu_g4x_gfx(struct pci_dev *dev) +{ + /* G4x/GM45 integrated gfx dmar support is totally busted. */ + printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n"); + dmar_map_gfx = 0; +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx); + static void quirk_iommu_rwbf(struct pci_dev *dev) { /* @@ -4242,12 +4257,6 @@ static void quirk_iommu_rwbf(struct pci_dev *dev) */ printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n"); rwbf_quirk = 1; - - /* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */ - if (dev->revision == 0x07) { - printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n"); - dmar_map_gfx = 0; - } } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf); |