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 deviceuse. 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