On Wed, Apr 25, 2018 at 08:23:15AM +0200, Daniel Vetter wrote: > For more fun: > > https://www.spinics.net/lists/dri-devel/msg173630.html > > Yeah, sometimes we want to disable the iommu because the on-gpu > pagetables are faster ... I am not on this list, but remote NAK from here. This needs an API from the iommu/dma-mapping code. Drivers have no business poking into these details. Thierry, please resend this with at least the iommu list and linux-arm-kernel in Cc to have a proper discussion on the right API.
