linux-kernel - Re: [PATCH v3 5/6] arm64: dts: qcom: sm6150: Add gpu and rgmu nodes

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Message-ID: <8560ad26-4756-4c2a-97c3-2c5c0695172c@oss.qualcomm.com>
Date: Sat, 22 Nov 2025 15:03:10 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Akhil P Oommen <akhilpo@....qualcomm.com>,
        Rob Clark <robin.clark@....qualcomm.com>, Sean Paul <sean@...rly.run>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        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>,
        Jessica Zhang <jesszhan0024@...il.com>
Cc: Dan Carpenter <dan.carpenter@...aro.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Jie Zhang <quic_jiezh@...cinc.com>
Subject: Re: [PATCH v3 5/6] arm64: dts: qcom: sm6150: Add gpu and rgmu nodes

On 11/21/25 10:52 PM, Akhil P Oommen wrote:
> From: Jie Zhang <quic_jiezh@...cinc.com>
> 
> Add gpu and rgmu nodes for qcs615 chipset.
> 
> Signed-off-by: Jie Zhang <quic_jiezh@...cinc.com>
> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
> ---

[...]

> +			gpu_opp_table: opp-table {
> +				compatible = "operating-points-v2";
> +
> +				opp-845000000 {
> +					opp-hz = /bits/ 64 <845000000>;
> +					required-opps = <&rpmhpd_opp_turbo>;
> +					opp-peak-kBps = <7050000>;
> +				};

I see another speed of 895 @ turbo_l1, perhaps that's for speedbins
or mobile parts specifically?

[...]

> +
> +				opp-745000000 {
> +					opp-hz = /bits/ 64 <745000000>;
> +					required-opps = <&rpmhpd_opp_nom_l1>;
> +					opp-peak-kBps = <6075000>;
> +				};
> +
> +				opp-650000000 {
> +					opp-hz = /bits/ 64 <650000000>;
> +					required-opps = <&rpmhpd_opp_nom>;
> +					opp-peak-kBps = <5287500>;
> +				};

Here the freq map says 700 MHz

> +				opp-500000000 {
> +					opp-hz = /bits/ 64 <500000000>;
> +					required-opps = <&rpmhpd_opp_svs_l1>;
> +					opp-peak-kBps = <3975000>;
> +				};

550

Konrad