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-rw-r--r--drivers/char/agp/Kconfig3
-rw-r--r--drivers/pci/dmar.c7
-rw-r--r--drivers/pci/intel-iommu.c6
3 files changed, 10 insertions, 6 deletions
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index ccb1fa89de2..2fb3a480f6b 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -56,9 +56,8 @@ config AGP_AMD
X on AMD Irongate, 761, and 762 chipsets.
config AGP_AMD64
- tristate "AMD Opteron/Athlon64 on-CPU GART support" if !GART_IOMMU
+ tristate "AMD Opteron/Athlon64 on-CPU GART support"
depends on AGP && X86
- default y if GART_IOMMU
help
This option gives you AGP support for the GLX component of
X using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs.
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index b952ebc7a78..416f6ac65b7 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -645,10 +645,13 @@ void __init detect_intel_iommu(void)
"x2apic and Intr-remapping.\n");
#endif
#ifdef CONFIG_DMAR
- if (ret && !no_iommu && !iommu_detected && !swiotlb &&
- !dmar_disabled)
+ if (ret && !no_iommu && !iommu_detected && !dmar_disabled)
iommu_detected = 1;
#endif
+#ifdef CONFIG_X86
+ if (ret)
+ x86_init.iommu.iommu_init = intel_iommu_init;
+#endif
}
early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size);
dmar_tbl = NULL;
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 1840a0578a4..9261327b49f 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3266,7 +3266,7 @@ int __init intel_iommu_init(void)
* Check the need for DMA-remapping initialization now.
* Above initialization will also be used by Interrupt-remapping.
*/
- if (no_iommu || swiotlb || dmar_disabled)
+ if (no_iommu || dmar_disabled)
return -ENODEV;
iommu_init_mempool();
@@ -3287,7 +3287,9 @@ int __init intel_iommu_init(void)
"PCI-DMA: Intel(R) Virtualization Technology for Directed I/O\n");
init_timer(&unmap_timer);
- force_iommu = 1;
+#ifdef CONFIG_SWIOTLB
+ swiotlb = 0;
+#endif
dma_ops = &intel_dma_ops;
init_iommu_sysfs();