On Thu, Jun 4, 2020 at 1:57 PM Jordan Crouse <jcro...@codeaurora.org> wrote:
>
> Set the qcom,adreno-smmu compatible string for the GPU SMMU to enable
> split pagetables.
>
> Signed-off-by: Jordan Crouse <jcro...@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
>
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