diff options
Diffstat (limited to 'drivers/iommu/amd/iommu.c')
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 48bca4dc8eb6..273951b4501c 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2708,10 +2708,13 @@ static struct iommu_domain *amd_iommu_domain_alloc_paging_v2(struct device *dev, * in both modes the top bit is removed and PT_FEAT_SIGN_EXTEND is not * set which creates a table that is compatible in both modes. */ - if (amd_iommu_gpt_level == PAGE_MODE_5_LEVEL) + if (amd_iommu_gpt_level == PAGE_MODE_5_LEVEL) { cfg.common.hw_max_vasz_lg2 = 56; - else + cfg.top_level = 4; + } else { cfg.common.hw_max_vasz_lg2 = 47; + cfg.top_level = 3; + } cfg.common.hw_max_oasz_lg2 = 52; domain->domain.ops = &amdv2_ops; |