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[2003:e4:1f0f:fa00:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b6b36564ffsm1810021eec.28.2026.01.16.04.44.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jan 2026 04:44:41 -0800 (PST) Date: Fri, 16 Jan 2026 13:44:35 +0100 From: Thierry Reding To: Ashish Mhetre Cc: will@kernel.org, robin.murphy@arm.com, joro@8bytes.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nicolinc@nvidia.com, jonathanh@nvidia.com, vdumpa@nvidia.com, jgg@ziepe.ca, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org Subject: Re: [PATCH V8 4/4] arm64: dts: nvidia: Add nodes for CMDQV Message-ID: References: <20260113054935.1945785-1-amhetre@nvidia.com> <20260113054935.1945785-5-amhetre@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="4oau3igknnhri5c2" Content-Disposition: inline In-Reply-To: <20260113054935.1945785-5-amhetre@nvidia.com> --4oau3igknnhri5c2 Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH V8 4/4] arm64: dts: nvidia: Add nodes for CMDQV MIME-Version: 1.0 On Tue, Jan 13, 2026 at 05:49:35AM +0000, Ashish Mhetre wrote: > 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. >=20 > 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. >=20 > Reviewed-by: Jon Hunter > Acked-by: Nicolin Chen > Signed-off-by: Ashish Mhetre > --- > .../arm64/boot/dts/nvidia/tegra264-p3834.dtsi | 8 +++ > arch/arm64/boot/dts/nvidia/tegra264.dtsi | 50 +++++++++++++++++-- > 2 files changed, 53 insertions(+), 5 deletions(-) Applied, with the tags rearranged and the subject prefix fixed. 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