Re: [PATCH v2] arm64: dts: qcom: agatti: Add memory-region for audio PD

[Ekansh Gupta]

On 07-08-2026 11:20, Vinayak Katoch wrote:
> Reserve memory region for audio PD dynamic loading and remote heap
> requirements. Add the required VMID list for memory ownership
> transfers.
> 
> Signed-off-by: Vinayak Katoch <vinayak.katoch@xxxxxxxxxxxxxxxx>
> ---
> Changes in v2:
> - Fixed VMID list alignment.
> - Link to v1: https://lore.kernel.org/r/20260806-agatti-audio-v1-1-cd6766cc9ccb@xxxxxxxxxxxxxxxx
> ---
>  arch/arm64/boot/dts/qcom/agatti.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)

Reviewed-by: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>

> 
> diff --git a/arch/arm64/boot/dts/qcom/agatti.dtsi b/arch/arm64/boot/dts/qcom/agatti.dtsi
> index 590bd2432d85..2064eed01327 100644
> --- a/arch/arm64/boot/dts/qcom/agatti.dtsi
> +++ b/arch/arm64/boot/dts/qcom/agatti.dtsi
> @@ -381,6 +381,14 @@ rmtfs_mem: memory@89b01000 {
>  			qcom,client-id = <1>;
>  			qcom,vmid = <QCOM_SCM_VMID_MSS_MSA QCOM_SCM_VMID_NAV>;
>  		};
> +
> +		adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap {
> +			compatible = "shared-dma-pool";
> +			alloc-ranges = <0x0 0x80000000 0x0 0x80000000>;
> +			reusable;
> +			alignment = <0x0 0x400000>;
> +			size = <0x0 0x800000>;
> +		};
>  	};
>  
>  	smp2p-adsp {
> @@ -2348,6 +2356,9 @@ fastrpc {
>  					compatible = "qcom,fastrpc";
>  					qcom,glink-channels = "fastrpcglink-apps-dsp";
>  					label = "adsp";
> +					memory-region = <&adsp_rpc_remote_heap_mem>;
> +					qcom,vmids = <QCOM_SCM_VMID_LPASS
> +						      QCOM_SCM_VMID_ADSP_HEAP>;
>  
>  					qcom,non-secure-domain;
>  
> 
> ---
> base-commit: 1701fda2f58e345c050f4309971bdc07cd6146ba
> change-id: 20260806-agatti-audio-357bcd74ae9c
> 
> Best regards,