5.15-stable review patch. If anyone has any objections, please let me know.
------------------
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 723940e841612..6b11770e3d75a 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -147,6 +147,7 @@ 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; }