On Mon, Jan 29, 2024 at 08:48:54AM +0100, Luca Weiss wrote: > Some SC7280-based boards crash when providing the "secure_non_pixel" > context bank, so allow only one iommu in the bindings also. > > Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx> Do we have any idea why this happens? How is someone supposed to know whether or not their system requires you to only provide one iommu? Yes, a crash might be the obvious answer, but is there a way of knowing without the crashes? Cheers, Conor. > --- > Reference: > https://lore.kernel.org/linux-arm-msm/20231201-sc7280-venus-pas-v3-2-bc132dc5fc30@xxxxxxxxxxxxx/ > --- > Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml > index 8f9b6433aeb8..10c334e6b3dc 100644 > --- a/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml > +++ b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml > @@ -43,6 +43,7 @@ properties: > - const: vcodec_bus > > iommus: > + minItems: 1 > maxItems: 2 > > interconnects: > > --- > base-commit: 596764183be8ebb13352b281a442a1f1151c9b06 > change-id: 20240129-sc7280-venus-bindings-6e62a99620de > > Best regards, > -- > Luca Weiss <luca.weiss@xxxxxxxxxxxxx> >
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