Messages in this thread | | | Date | Tue, 1 Mar 2022 18:12:06 +0000 | Subject | Re: [PATCH v4 1/9] dt-bindings: host1x: Add iommu-map property | From | Robin Murphy <> |
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On 2022-03-01 16:14, cyndis@kapsi.fi wrote: > From: Mikko Perttunen <mperttunen@nvidia.com> > > Add schema information for specifying context stream IDs. This uses > the standard iommu-map property. > > Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> > --- > v3: > * New patch > v4: > * Remove memory-contexts subnode. > --- > .../bindings/display/tegra/nvidia,tegra20-host1x.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml > index 4fd513efb0f7..0adeb03b9e3a 100644 > --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml > +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml > @@ -144,6 +144,11 @@ allOf: > reset-names: > maxItems: 1 > > + iommu-map: > + description: Specification of stream IDs available for memory context device > + use. Should be a mapping of IDs 0..n to IOMMU entries corresponding to
Nit: maybe "context IDs 0..n" for maximum possible clarity?
Either way, though, I'm happy that if the simplest and most straightforward approach works, then it's the best choice.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Cheers, Robin.
> + usable stream IDs. > + > required: > - reg-names >
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