Re: [PATCH v2 2/2] arm64: dts: qcom: sa8775p: Remove cdsp compute-cb@10

From: Dmitry Baryshkov
Date: Thu Jan 23 2025 - 05:32:15 EST


On Thu, Jan 23, 2025 at 02:49:28PM +0530, Ling Xu wrote:
> Need to remove the context bank compute-cb@10 because secure cdsp
> uses the s2-only stream.

This doesn't tell us anything. is cb@10 secure (it isn't marked this
way), are those SMMU ids incorrect? Or are they S2-only? Or something
else?

>
> Fixes: f7b01bfb4b47 ("arm64: qcom: sa8775p: Add ADSP and CDSP0 fastrpc nodes")
> Cc: stable@xxxxxxxxxx
> Signed-off-by: Karthik Sanagavarapu <quic_kartsana@xxxxxxxxxxx>
> Signed-off-by: Ling Xu <quic_lxu5@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sa8775p.dtsi | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index 0aa27db21f3d..81b2fba94841 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -4585,14 +4585,6 @@ compute-cb@9 {
> dma-coherent;
> };
>
> - compute-cb@10 {
> - compatible = "qcom,fastrpc-compute-cb";
> - reg = <10>;
> - iommus = <&apps_smmu 0x214a 0x04a0>,
> - <&apps_smmu 0x218a 0x0400>;
> - dma-coherent;
> - };
> -
> compute-cb@11 {
> compatible = "qcom,fastrpc-compute-cb";
> reg = <11>;
> --
> 2.34.1
>

--
With best wishes
Dmitry