Re: [PATCH 4/4] arm64: dts: qcom: sdm630: assign adsp_mem region to ADSP FastRPC node

[Ekansh Gupta]

On 15-04-2026 15:10, Nickolay Goppen wrote:
> Downstream [1] ADSP FastRPC node has the adsp_mem region assigned, so
> assign it to the ADSP FastRPC node.
> 
> [1]: https://github.com/xiaomi-sdm660/android_kernel_xiaomi_sdm660/blob/11-EAS/arch/arm/boot/dts/qcom/sdm660.dtsi#L1693
> 
> Signed-off-by: Nickolay Goppen <setotau@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index 13094b5e9339..19d80fbba57d 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -2456,6 +2456,7 @@ fastrpc {
>  					compatible = "qcom,fastrpc";
>  					qcom,glink-channels = "fastrpcglink-apps-dsp";
>  					label = "adsp";
> +					memory-region = <&adsp_mem>;
This memory-region won't really be useful without proper VMID
configuration. Please add LPASS and ADSP_HEAP VMIDs.

Ref:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/qcom/lemans.dtsi#n7501

//Ekansh
>  					qcom,non-secure-domain;
>  					#address-cells = <1>;
>  					#size-cells = <0>;
>