Messages in this thread | | | Date | Tue, 24 Apr 2018 23:43:35 -0700 | From | Christoph Hellwig <> | Subject | Re: [Linaro-mm-sig] [PATCH 4/8] dma-buf: add peer2peer flag |
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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.
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