From: Rob Clark <robdclark@gmail.com>
To: Jordan Crouse <jcrouse@codeaurora.org>
Cc: linux-arm-msm <linux-arm-msm@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Andy Gross <agross@kernel.org>,
freedreno <freedreno@lists.freedesktop.org>
Subject: Re: [Freedreno] [PATCH v7 6/6] arm6: dts: qcom: sm845: Set the compatible string for the GPU SMMU
Date: Thu, 4 Jun 2020 14:27:21 -0700 [thread overview]
Message-ID: <CAF6AEGt4N5+0h0fkrO7m6KD3VMXkdoFyhN5Nz72DcMjoHX6XWA@mail.gmail.com> (raw)
In-Reply-To: <20200604205710.3167-7-jcrouse@codeaurora.org>
On Thu, Jun 4, 2020 at 1:57 PM Jordan Crouse <jcrouse@codeaurora.org> wrote:
>
> Set the qcom,adreno-smmu compatible string for the GPU SMMU to enable
> split pagetables.
>
> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
> ---
>
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 8eb5a31346d2..8b15cd74e9ba 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -3556,7 +3556,7 @@
> };
>
> adreno_smmu: iommu@5040000 {
> - compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
> + compatible = "qcom,adreno-smmu", "qcom,smmu-v2";
Should this be something like:
compatible = "qcom,adreno-smmu", "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
so that new dtb still works with old kernel?
BR,
-R
> reg = <0 0x5040000 0 0x10000>;
> #iommu-cells = <1>;
> #global-interrupts = <2>;
> --
> 2.17.1
>
> _______________________________________________
> Freedreno mailing list
> Freedreno@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/freedreno
next prev parent reply other threads:[~2020-06-04 21:26 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-04 20:57 [PATCH v7 0/6] iommu/arm-smmu: Enable split pagetable support Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` [PATCH v7 1/6] iommu/arm-smmu: Pass io-pgtable config to implementation specific function Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` [PATCH v7 2/6] iommu/arm-smmu: Add support for split pagetables Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` [PATCH v7 3/6] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` [PATCH v7 4/6] iommu/arm-smmu: Add implementation for the adreno " Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` [PATCH v7 5/6] drm/msm: Set the global virtual address range from the IOMMU domain Jordan Crouse
2020-06-04 20:57 ` Jordan Crouse
2020-06-04 20:57 ` [PATCH v7 6/6] arm6: dts: qcom: sm845: Set the compatible string for the GPU SMMU Jordan Crouse
2020-06-04 21:27 ` Rob Clark [this message]
2020-06-04 22:02 ` [Freedreno] " Jordan Crouse
2020-06-04 22:38 ` Rob Clark
2020-06-04 22:47 ` Jordan Crouse
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