diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 6 | ||||
| -rw-r--r-- | drivers/iommu/iommu.c | 9 |
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 5a505ba5467e..167da5b1a5e3 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1666,10 +1666,6 @@ static void do_attach(struct iommu_dev_data *dev_data, domain->dev_iommu[iommu->index] += 1; domain->dev_cnt += 1; - /* Override supported page sizes */ - if (domain->flags & PD_GIOV_MASK) - domain->domain.pgsize_bitmap = AMD_IOMMU_PGSIZES_V2; - /* Update device table */ set_dte_entry(iommu, dev_data->devid, domain, ats, dev_data->iommu_v2); @@ -2048,6 +2044,8 @@ static int protection_domain_init_v2(struct protection_domain *domain) domain->flags |= PD_GIOV_MASK; + domain->domain.pgsize_bitmap = AMD_IOMMU_PGSIZES_V2; + if (domain_enable_v2(domain, 1)) { domain_id_free(domain->id); return -ENOMEM; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 10db680acaed..256a38371120 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1964,8 +1964,13 @@ static struct iommu_domain *__iommu_domain_alloc(struct bus_type *bus, return NULL; domain->type = type; - /* Assume all sizes by default; the driver may override this later */ - domain->pgsize_bitmap = bus->iommu_ops->pgsize_bitmap; + /* + * If not already set, assume all sizes by default; the driver + * may override this later + */ + if (!domain->pgsize_bitmap) + domain->pgsize_bitmap = bus->iommu_ops->pgsize_bitmap; + if (!domain->ops) domain->ops = bus->iommu_ops->default_domain_ops; |