Re: [PATCH v2 2/3] media: dt-bindings: venus: Fix iommus property

From: Krzysztof Kozlowski

Date: Fri Jan 16 2026 - 03:47:39 EST


On Fri, Jan 16, 2026 at 11:50:03AM +0530, Sumit Garg wrote:
> From: Sumit Garg <sumit.garg@xxxxxxxxxxxxxxxx>
>
> Fix IOMMU DT propety for venus via dropping SMMU stream IDs which
> relates to secure context bank. Assigning Linux kernel (HLOS) VMID
> to secure context bank stream IDs is incorrect.
>
> The min value is added for iommus property to ensure in future when

You do not add min value (that would be "minimum") but change the list.

> secure context bank stream IDs are properly supported then the iommus
> property is extensible.
>
> These DT bindings changes should be backwards compatible.
>
> Signed-off-by: Sumit Garg <sumit.garg@xxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/media/qcom,qcm2290-venus.yaml | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml b/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
> index 3f3ee82fc878..ae6bc0d0bea6 100644
> --- a/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
> +++ b/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
> @@ -42,6 +42,7 @@ properties:
> - const: vcodec0_bus
>
> iommus:
> + minItems: 2

Same problem.

> maxItems: 5

Best regards,
Krzysztof