On Mon, Aug 14, 2023 at 01:08:39PM +0800, Baolu Lu wrote:
> > @@ -989,6 +989,12 @@ static int tegra_smmu_def_domain_type(struct device
> > *dev)
> > }
> > static const struct iommu_ops tegra_smmu_ops = {
> > + /*
> > +* FIXME: For now we want to run all translation in IDENTITY mode,
> >
On 2023/8/3 8:07, Jason Gunthorpe wrote:
All ARM64 iommu drivers should support IOMMU_DOMAIN_DMA to enable
dma-iommu.c.
tegra is blocking dma-iommu usage, and also default_domain's, because it
wants an identity translation. This is needed for some device quirk. The
correct way to do this is to s
All ARM64 iommu drivers should support IOMMU_DOMAIN_DMA to enable
dma-iommu.c.
tegra is blocking dma-iommu usage, and also default_domain's, because it
wants an identity translation. This is needed for some device quirk. The
correct way to do this is to support IDENTITY domains and use
ops->def_do
