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

Ekansh Gupta
2026-04-18T01:20:44Z

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@mainlining.org>
> ---
> 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>;
>