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-rw-r--r--drivers/char/agp/amd64-agp.c5
-rw-r--r--drivers/char/agp/intel-agp.c6
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 5aa7a586a7ff..1afb8968a342 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -725,12 +725,11 @@ static struct pci_driver agp_amd64_pci_driver = {
int __init agp_amd64_init(void)
{
int err = 0;
- static int done = 0;
if (agp_off)
return -EINVAL;
- if (done++)
+ if (gart_iommu_aperture)
return agp_bridges_found ? 0 : -ENODEV;
err = pci_register_driver(&agp_amd64_pci_driver);
@@ -771,6 +770,8 @@ int __init agp_amd64_init(void)
static void __exit agp_amd64_cleanup(void)
{
+ if (gart_iommu_aperture)
+ return;
if (aperture_resource)
release_resource(aperture_resource);
pci_unregister_driver(&agp_amd64_pci_driver);
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 30c36ac2cd00..3999a5f25f38 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2460,10 +2460,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
&bridge->mode);
}
- if (bridge->driver->mask_memory == intel_i965_mask_memory)
+ if (bridge->driver->mask_memory == intel_i965_mask_memory) {
if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
dev_err(&intel_private.pcidev->dev,
"set gfx device dma mask 36bit failed!\n");
+ else
+ pci_set_consistent_dma_mask(intel_private.pcidev,
+ DMA_BIT_MASK(36));
+ }
pci_set_drvdata(pdev, bridge);
return agp_add_bridge(bridge);