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-rw-r--r--drivers/iommu/amd/iommu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 45299eb7e8e3..240c535e317c 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2278,6 +2278,8 @@ static bool amd_iommu_capable(struct device *dev, enum iommu_cap cap)
return false;
case IOMMU_CAP_PRE_BOOT_PROTECTION:
return amdr_ivrs_remap_support;
+ case IOMMU_CAP_ENFORCE_CACHE_COHERENCY:
+ return true;
default:
break;
}