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

[Ekansh Gupta]

On 01-07-2026 15:35, 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>
> ---
>  arch/arm64/boot/dts/qcom/glymur.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> index 20b49af7298e..f403f542aa00 100644
> --- a/arch/arm64/boot/dts/qcom/glymur.dtsi
> +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> @@ -11,6 +11,7 @@
>  #include <dt-bindings/clock/qcom,kaanapali-gxclkctl.h>
>  #include <dt-bindings/clock/qcom,rpmh.h>
>  #include <dt-bindings/dma/qcom-gpi.h>
> +#include <dt-bindings/firmware/qcom,scm.h>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/interconnect/qcom,icc.h>
>  #include <dt-bindings/interconnect/qcom,glymur-rpmh.h>
> @@ -663,6 +664,14 @@ smem_mem: smem@ffe00000 {
>  			hwlocks = <&tcsr_mutex 3>;
>  			no-map;
>  		};
> +
> +		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 {
> @@ -3845,6 +3854,9 @@ fastrpc {
>  					compatible = "qcom,glymur-fastrpc", "qcom,kaanapali-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>;
>  					#address-cells = <1>;
>  					#size-cells = <0>;
> 
Reviewed-by: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>

> 
> ---
> base-commit: be5c93fa674f0fc3c8f359c2143abce6bbb422e6
> change-id: 20260701-glymur-audio-83621043d143
> 
> Best regards,