Re: [PATCH v2 2/3] arm64: dts: qcom: sdm630: set adsp compute-cbs' regs properly

[Ekansh Gupta]

On 20-04-2026 15:12, Nickolay Goppen wrote:
> Changing FastRPC compute-cbs' reg values to matching iommu streams
> solves SMMU translation errors when trying to use FastRPC on ADSP
> so change FastRPC compute-cbs' reg values that way
> 
> Fixes: af2ce7296643 ("arm64: dts: qcom: sdm630: Add FastRPC nodes to ADSP")
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
> Signed-off-by: Nickolay Goppen <setotau@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index bef3213165d6..4b47efdb57b2 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -2459,27 +2459,27 @@ fastrpc {
>  					#address-cells = <1>;
>  					#size-cells = <0>;
>  
> -					compute-cb@1 {
> +					compute-cb@3 {
>  						compatible = "qcom,fastrpc-compute-cb";
> -						reg = <1>;
> +						reg = <3>;
>  						iommus = <&lpass_smmu 3>;
>  					};
>  
> -					compute-cb@2 {
> +					compute-cb@7 {
>  						compatible = "qcom,fastrpc-compute-cb";
> -						reg = <2>;
> +						reg = <7>;
>  						iommus = <&lpass_smmu 7>;
>  					};
>  
> -					compute-cb@3 {
> +					compute-cb@8 {
>  						compatible = "qcom,fastrpc-compute-cb";
> -						reg = <3>;
> +						reg = <8>;
>  						iommus = <&lpass_smmu 8>;
>  					};
>  
> -					compute-cb@4 {
> +					compute-cb@9 {
>  						compatible = "qcom,fastrpc-compute-cb";
> -						reg = <4>;
> +						reg = <9>;
>  						iommus = <&lpass_smmu 9>;
>  					};
>  				};
> 
Reviewed-by: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>