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authorHiroshi DOYU <hdoyu@nvidia.com>2012-01-26 19:40:57 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2012-07-11 12:25:57 +0200
commit23349902edec4d3d932bca1bb99261477139a36a (patch)
tree96eb09c80fd527125d8dd10f31a5c22f1966e57a /drivers/iommu/tegra-gart.c
parent4be6a290b87af9136b482d5c22574f070ffdbdb8 (diff)
downloadop-kernel-dev-23349902edec4d3d932bca1bb99261477139a36a.zip
op-kernel-dev-23349902edec4d3d932bca1bb99261477139a36a.tar.gz
iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
Implement the attribute for the Tegra IOMMU drivers. Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/tegra-gart.c')
-rw-r--r--drivers/iommu/tegra-gart.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index 0c0a377..c16e8fc 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -165,6 +165,11 @@ static int gart_iommu_attach_dev(struct iommu_domain *domain,
return -EINVAL;
domain->priv = gart;
+ domain->geometry.aperture_start = gart->iovmm_base;
+ domain->geometry.aperture_end = gart->iovmm_base +
+ gart->page_count * GART_PAGE_SIZE - 1;
+ domain->geometry.force_aperture = true;
+
client = devm_kzalloc(gart->dev, sizeof(*c), GFP_KERNEL);
if (!client)
return -ENOMEM;
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