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

[Konrad Dybcio]

On 8/7/26 7:50 AM, 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(+)
> 
> 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>;

RAM starts at 0x4000_000 on this platform.. I'm starting to think
that asking to provide a base was a mistake. Let's just make it
<0x0 0x0 0x1 0x0> to allow the whole 32-bit space

Konrad