linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: msm8953: Add interconnects

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Message-ID: <9583f74f-2dce-4535-bdff-92b1da1566b5@oss.qualcomm.com>
Date: Mon, 7 Apr 2025 10:49:55 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Luca Weiss <luca@...aweiss.eu>, ~postmarketos/upstreaming@...ts.sr.ht,
        phone-devel@...r.kernel.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Vladimir Lypak <vladimir.lypak@...il.com>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: msm8953: Add interconnects

On 4/6/25 10:55 PM, Luca Weiss wrote:
> From: Vladimir Lypak <vladimir.lypak@...il.com>
> 
> Add the nodes for the bimc, pcnoc, snoc and snoc_mm. And wire up the
> interconnects where applicable.
> 
> Signed-off-by: Vladimir Lypak <vladimir.lypak@...il.com>
> [luca: Prepare patch for upstream submission]
> Signed-off-by: Luca Weiss <luca@...aweiss.eu>
> ---

[...]

> +			interconnects = <&snoc_mm MAS_MDP RPM_ACTIVE_TAG
> +					 &bimc SLV_EBI RPM_ACTIVE_TAG>,
> +					<&bimc MAS_APPS_PROC RPM_ACTIVE_TAG
> +					 &pcnoc SLV_DISP_SS_CFG RPM_ACTIVE_TAG>;

RPM_ACTIVE_TAG is akin to QCOM_ICC_TAG_ACTIVE_ONLY, keep it on the CPUs
and on the cpu-cfg paths, use RPM_ALWAYS_TAG otherwise

Konrad