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gpu: host1x: Use iommu_paging_domain_alloc()

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An iommu domain is allocated in host1x_iommu_attach() and is attached to
host->dev. Use iommu_paging_domain_alloc() to make it explicit.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240610085555.88197-8-baolu.lu@linux.intel.com
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240812071605.9513-1-baolu.lu@linux.intel.com
This commit is contained in:
Lu Baolu 2024-08-12 15:16:05 +08:00 committed by Thierry Reding
parent 4c27ac45e6
commit 9719c7b8f3
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/host1x/dev.c
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@ -404,9 +404,10 @@ static struct iommu_domain *host1x_iommu_attach(struct host1x *host)
if (err < 0)
goto put_group;
host->domain = iommu_domain_alloc(&platform_bus_type);
if (!host->domain) {
err = -ENOMEM;
host->domain = iommu_paging_domain_alloc(host->dev);
if (IS_ERR(host->domain)) {
err = PTR_ERR(host->domain);
host->domain = NULL;
goto put_cache;
}