6.4-stable review patch. If anyone has any objections, please let me know.
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From: Jason Gunthorpe jgg@nvidia.com
[ Upstream commit d48a51286c698f7fe8efc688f23a532f4fe9a904 ]
force_aperture was intended to false only by GART drivers that have an identity translation outside the aperture. This does not describe sprd, so add the missing 'force_aperture = true'.
Fixes: b23e4fc4e3fa ("iommu: add Unisoc IOMMU basic driver") Signed-off-by: Jason Gunthorpe jgg@nvidia.com Acked-by: Chunyan Zhang zhang.lyra@gmail.com Signed-off-by: Joerg Roedel jroedel@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/sprd-iommu.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 39e34fdeccda7..eb684d8807cab 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -148,6 +148,7 @@ static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type)
dom->domain.geometry.aperture_start = 0; dom->domain.geometry.aperture_end = SZ_256M - 1; + dom->domain.geometry.force_aperture = true;
return &dom->domain; }