linux-kernel - Re: [PATCH v3 1/3] dt-bindings: display: msm: qcm2290-mdss: Fix iommus property

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Message-ID: <176910254929.2770285.16428801494760549498.robh@kernel.org>
Date: Thu, 22 Jan 2026 11:22:30 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Sumit Garg <sumit.garg@...nel.org>
Cc: vikash.garodia@....qualcomm.com, jorge.ramirez@....qualcomm.com,
	dikshita.agarwal@....qualcomm.com, krzk+dt@...nel.org,
	linux-kernel@...r.kernel.org, loic.poulain@....qualcomm.com,
	andersson@...nel.org, lumag@...nel.org,
	robin.clark@....qualcomm.com, conor+dt@...nel.org,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	konradybcio@...nel.org, akhilpo@....qualcomm.com,
	Sumit Garg <sumit.garg@....qualcomm.com>
Subject: Re: [PATCH v3 1/3] dt-bindings: display: msm: qcm2290-mdss: Fix
 iommus property


On Thu, 22 Jan 2026 17:40:40 +0530, Sumit Garg wrote:
> From: Sumit Garg <sumit.garg@....qualcomm.com>
> 
> Fix IOMMU DT propety for display 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 maximum value
> for iommus property is updated accordingly.
> 
> These DT bindings changes should be backwards compatible.
> 
> Signed-off-by: Sumit Garg <sumit.garg@....qualcomm.com>
> ---
>  .../devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml  | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>