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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>,
	andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] arm64: dts: monaco: extend fastrpc compute cb
Date: Fri, 27 Mar 2026 14:10:51 +0100	[thread overview]
Message-ID: <fe9bba47-13d8-4572-af8f-d4c0657f7195@oss.qualcomm.com> (raw)
In-Reply-To: <20260326154111.2781802-1-srinivas.kandagatla@oss.qualcomm.com>

On 3/26/26 4:41 PM, Srinivas Kandagatla wrote:
> For some reason we ended up adding only 4 out of 11 compute cb's for
> CDSP, add the missing compute cb. This will also improve the end
> user-experience by enabling running multiple AI usecases in parallel.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/monaco.dtsi | 49 ++++++++++++++++++++++++++++
>  1 file changed, 49 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi
> index 10e799dd4a78..38fbd44c7d8f 100644
> --- a/arch/arm64/boot/dts/qcom/monaco.dtsi
> +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi
> @@ -7739,6 +7739,55 @@ compute-cb@4 {
>  							 <&apps_smmu 0x1964 0x0400>;
>  						dma-coherent;
>  					};
> +
> +					compute-cb@5 {
> +						compatible = "qcom,fastrpc-compute-cb";
> +						reg = <5>;
> +						iommus = <&apps_smmu 0x19c5 0x0400>;

I see that the other CBs have 2 iommu streams, the other one
having "DMA" in the name - could you shed some light on that?

Konrad

  parent reply	other threads:[~2026-03-27 13:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26 15:41 Srinivas Kandagatla
2026-03-26 15:45 ` Srinivas Kandagatla
2026-03-27 13:09 ` Konrad Dybcio
2026-03-27 13:10 ` Konrad Dybcio [this message]
2026-03-30  8:38   ` Srinivas Kandagatla
2026-03-30 10:50     ` Konrad Dybcio
2026-04-02  6:23       ` Ekansh Gupta
2026-03-30 16:01 ` Bjorn Andersson

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