On 10/23/26 11:03 AM, Abhinav Parihar wrote:
> Remove the compute-cb@9 nodes from sdm660 device tree to
> prevent clients from selecting a secure context bank for normal FastRPC
> workloads.
>
> Secure use case support is not currently implemented upstream.
>
> Fixes: 708ab9d3bc5b ("arm64: dts: qcom: sdm660: set cdsp compute-cbs' regs
> properly")
> Cc: [email protected]
> Signed-off-by: Abhinav Parihar <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/sdm660.dtsi | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm660.dtsi
> b/arch/arm64/boot/dts/qcom/sdm660.dtsi
> index 0fca9662c64a..723bffc99b67 100644
> --- a/arch/arm64/boot/dts/qcom/sdm660.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm660.dtsi
> @@ -386,12 +386,6 @@ compute-cb@8 {
> iommus = <&cdsp_smmu 8>;
> };
>
> - compute-cb@9 {
> - compatible = "qcom,fastrpc-compute-cb";
> - reg = <9>;
> - iommus = <&cdsp_smmu 9>;
> - };
On this platform, it seems like the secure ones are SID 1/2
Konrad
