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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-13 09:19:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-13 09:19:37 +0300
commit991919e969043a4422dfebbcadf600a5d28b94e4 (patch)
tree4776f9f162c665a9735198fafc466d3e49a14253 /drivers/iommu/intel/iommu.c
parent73ed6faed58e5611abfb54c2f703eec091781d63 (diff)
parent82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3 (diff)
downloadlinux-991919e969043a4422dfebbcadf600a5d28b94e4.tar.xz
Merge 6.15-rc6 into char-misc-next
We need the iio/hyperv fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/intel/iommu.c')
-rw-r--r--drivers/iommu/intel/iommu.c35
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index b29da2d96d0b..cb0b993bebb4 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3785,6 +3785,22 @@ static struct iommu_device *intel_iommu_probe_device(struct device *dev)
intel_iommu_debugfs_create_dev(info);
+ return &iommu->iommu;
+free_table:
+ intel_pasid_free_table(dev);
+clear_rbtree:
+ device_rbtree_remove(info);
+free:
+ kfree(info);
+
+ return ERR_PTR(ret);
+}
+
+static void intel_iommu_probe_finalize(struct device *dev)
+{
+ struct device_domain_info *info = dev_iommu_priv_get(dev);
+ struct intel_iommu *iommu = info->iommu;
+
/*
* The PCIe spec, in its wisdom, declares that the behaviour of the
* device is undefined if you enable PASID support after ATS support.
@@ -3792,22 +3808,12 @@ static struct iommu_device *intel_iommu_probe_device(struct device *dev)
* we can't yet know if we're ever going to use it.
*/
if (info->pasid_supported &&
- !pci_enable_pasid(pdev, info->pasid_supported & ~1))
+ !pci_enable_pasid(to_pci_dev(dev), info->pasid_supported & ~1))
info->pasid_enabled = 1;
- if (sm_supported(iommu))
+ if (sm_supported(iommu) && !dev_is_real_dma_subdevice(dev))
iommu_enable_pci_ats(info);
iommu_enable_pci_pri(info);
-
- return &iommu->iommu;
-free_table:
- intel_pasid_free_table(dev);
-clear_rbtree:
- device_rbtree_remove(info);
-free:
- kfree(info);
-
- return ERR_PTR(ret);
}
static void intel_iommu_release_device(struct device *dev)
@@ -4391,6 +4397,7 @@ const struct iommu_ops intel_iommu_ops = {
.domain_alloc_sva = intel_svm_domain_alloc,
.domain_alloc_nested = intel_iommu_domain_alloc_nested,
.probe_device = intel_iommu_probe_device,
+ .probe_finalize = intel_iommu_probe_finalize,
.release_device = intel_iommu_release_device,
.get_resv_regions = intel_iommu_get_resv_regions,
.device_group = intel_iommu_device_group,
@@ -4432,6 +4439,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_igfx);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_igfx);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_igfx);
+/* QM57/QS57 integrated gfx malfunctions with dmar */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0044, quirk_iommu_igfx);
+
/* Broadwell igfx malfunctions with dmar */
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1606, quirk_iommu_igfx);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x160B, quirk_iommu_igfx);
@@ -4509,7 +4519,6 @@ static void quirk_calpella_no_shadow_gtt(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0040, quirk_calpella_no_shadow_gtt);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0044, quirk_calpella_no_shadow_gtt);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0062, quirk_calpella_no_shadow_gtt);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x006a, quirk_calpella_no_shadow_gtt);