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Message-Id: <173928051052.2596191.5953179871612881836.robh@kernel.org>
Date: Tue, 11 Feb 2025 07:28:59 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Pratyush Brahma <quic_pbrahma@...cinc.com>
Cc: linux-kernel@...r.kernel.org, Robin Murphy <robin.murphy@....com>, 
 Konrad Dybcio <konradybcio@...nel.org>, iommu@...ts.linux.dev, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 linux-arm-kernel@...ts.infradead.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Will Deacon <will@...nel.org>, Joerg Roedel <joro@...tes.org>, 
 devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH v5 0/2] Add support for GPU SMMU on QCS8300


On Tue, 11 Feb 2025 10:15:52 +0530, Pratyush Brahma wrote:
> Enable GPU SMMU function on QCS8300 platform. GPU SMMU is required
> for address translation in GPU device.
> 
> Signed-off-by: Pratyush Brahma <quic_pbrahma@...cinc.com>
> ---
> Changes since v4:
> - Corrected the clocks list to be inline with clock-names
> - Removed stray whitespaces
> - Added r-by tag from Krzysztof on the bindings patch
> - Link to v4: https://lore.kernel.org/r/20250203-b4-branch-gfx-smmu-v4-0-eaa7aa762f48@quicinc.com
> 
> Changes since v3:
> - Modified the order of clock voting and properties as suggested by Konrad
> - Removed dependency on clocks in commit text as change is merged in
>   linux-next before current base commit
> 
> Link to v3:
> https://lore.kernel.org/all/20241227105818.28516-1-quic_pbrahma@quicinc.com/
> 
> Changes since v2:
> Corrected typo in cover letter to include QCS8300
> Link to
> v2:https://lore.kernel.org/all/20241227104651.4531-1-quic_pbrahma@quicinc.com/
> 
> Changes since v1:
> Updated bindings for gpu smmu for qcs8300 as per Dmitry's comment
> Link to v1:
> https://lore.kernel.org/all/20241224100521.7616-1-quic_pbrahma@quicinc.com/
> 
> To: Will Deacon <will@...nel.org>
> To: Robin Murphy <robin.murphy@....com>
> To: Joerg Roedel <joro@...tes.org>
> To: Rob Herring <robh@...nel.org>
> To: Krzysztof Kozlowski <krzk+dt@...nel.org>
> To: Conor Dooley <conor+dt@...nel.org>
> To: Bjorn Andersson <andersson@...nel.org>
> To: Konrad Dybcio <konradybcio@...nel.org>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: iommu@...ts.linux.dev
> Cc: devicetree@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-arm-msm@...r.kernel.org
> 
> ---
> Pratyush Brahma (2):
>       dt-bindings: arm-smmu: Document QCS8300 GPU SMMU
>       arm64: dts: qcom: qcs8300: Add device node for  gfx_smmu
> 
>  .../devicetree/bindings/iommu/arm,smmu.yaml        |  3 +-
>  arch/arm64/boot/dts/qcom/qcs8300.dtsi              | 39 ++++++++++++++++++++++
>  2 files changed, 41 insertions(+), 1 deletion(-)
> ---
> base-commit: a13f6e0f405ed0d3bcfd37c692c7d7fa3c052154
> change-id: 20250131-b4-branch-gfx-smmu-b03261963064
> 
> Best regards,
> --
> Pratyush Brahma <quic_pbrahma@...cinc.com>
> 
> 
> 


My bot found new DTB warnings on the .dts files added or changed in this
series.

Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
are fixed by another series. Ultimately, it is up to the platform
maintainer whether these warnings are acceptable or not. No need to reply
unless the platform maintainer has comments.

If you already ran DT checks and didn't see these error(s), then
make sure dt-schema is up to date:

  pip3 install dtschema --upgrade


New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/qcom/' for 20250211-b4-branch-gfx-smmu-v5-0-ff0bcb6a3c51@...cinc.com:

arch/arm64/boot/dts/qcom/qcs8300-ride.dtb: iommu@...0000: clock-names:0: 'gcc_gpu_memnoc_gfx_clk' was expected
	from schema $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#
arch/arm64/boot/dts/qcom/qcs8300-ride.dtb: iommu@...0000: clock-names:1: 'gcc_gpu_snoc_dvm_gfx_clk' was expected
	from schema $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#
arch/arm64/boot/dts/qcom/qcs8300-ride.dtb: iommu@...0000: clock-names:2: 'gpu_cc_ahb_clk' was expected
	from schema $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#
arch/arm64/boot/dts/qcom/qcs8300-ride.dtb: iommu@...0000: clock-names:3: 'gpu_cc_hlos1_vote_gpu_smmu_clk' was expected
	from schema $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#
arch/arm64/boot/dts/qcom/qcs8300-ride.dtb: iommu@...0000: clock-names:4: 'gpu_cc_cx_gmu_clk' was expected
	from schema $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#
arch/arm64/boot/dts/qcom/qcs8300-ride.dtb: iommu@...0000: clock-names:5: 'gpu_cc_hub_cx_int_clk' was expected
	from schema $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#






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