linux-kernel - Re: [PATCH V8 4/4] arm64: dts: nvidia: Add nodes for CMDQV

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Message-ID: <1de0eca2-2fa4-4625-88ae-58107621e021@nvidia.com>
Date: Wed, 14 Jan 2026 15:28:59 +0000
From: Jon Hunter <jonathanh@...dia.com>
To: Ashish Mhetre <amhetre@...dia.com>, will@...nel.org,
 robin.murphy@....com, joro@...tes.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, nicolinc@...dia.com
Cc: thierry.reding@...il.com, vdumpa@...dia.com, jgg@...pe.ca,
 linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-tegra@...r.kernel.org
Subject: Re: [PATCH V8 4/4] arm64: dts: nvidia: Add nodes for CMDQV


On 13/01/2026 05:49, Ashish Mhetre wrote:

The subject prefix should be "arm64: tegra:". See git log. So may be ...

"arm64: tegra: Add CMDQV nodes for Tegra264"


> The Command Queue Virtualization (CMDQV) hardware is part of the
> SMMUv3 implementation on NVIDIA Tegra SoCs. It assists in
> virtualizing the command queue for the SMMU.
> 
> Update SMMU compatible strings to use nvidia,tegra264-smmu to enable
> CMDQV support. Add device tree nodes for the CMDQV hardware and enable
> them on the tegra264-p3834 platform where SMMUs are enabled. Each SMMU
> instance is paired with its corresponding CMDQV instance via the
> nvidia,cmdqv property.
> 
> Reviewed-by: Jon Hunter <jonathanh@...dia.com>
> Acked-by: Nicolin Chen <nicolinc@...dia.com>
> Signed-off-by: Ashish Mhetre <amhetre@...dia.com>

My reviewed-by should come after your s-o-b.

Thierry may be able to fix these when applying so don't resend unless 
Thierry wants you to.

Jon

-- 
nvpublic