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SubjectRe: [RFC PATCH v1 0/6] Resolve unwanted DMA backing with IOMMU
On Fri, Jul 27, 2018 at 8:20 AM Joerg Roedel <joro@8bytes.org> wrote:
>
> On Fri, Jul 27, 2018 at 05:10:22PM +0300, Dmitry Osipenko wrote:
> > I'm not sure what you guys are meaning by the "firmware", could you elaborate
> > please? Do you mean the Open Firmware and hence the devicetree or what?
>
> Yes, I think the best way to request this is using a device-tree
> property. Letting the device driver request it is definitly a bad idea.

I don't follow why we need a property rather than being implied by the
device's (the GPU) compatible string.

Rob

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