Re: [PATCH v3 4/4] arm64: dts/sdm845: Enable FW implemented safe sequence handler on MTP

From: Bjorn Andersson
Date: Fri Jun 14 2019 - 00:13:14 EST


On Wed 12 Jun 00:15 PDT 2019, Vivek Gautam wrote:

> Indicate on MTP SDM845 that firmware implements handler to
> TLB invalidate erratum SCM call where SAFE sequence is toggled
> to achieve optimum performance on real-time clients, such as
> display and camera.
>
> Signed-off-by: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx>

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

> ---
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 78ec373a2b18..6a73d9744a71 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -2368,6 +2368,7 @@
> compatible = "qcom,sdm845-smmu-500", "arm,mmu-500";
> reg = <0 0x15000000 0 0x80000>;
> #iommu-cells = <2>;
> + qcom,smmu-500-fw-impl-safe-errata;
> #global-interrupts = <1>;
> interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>,
> <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
> --
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