linux-kernel - Re: [PATCH v3 1/4] dt-bindings: opp: adreno: Update regex of OPP entry

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Message-ID: <xexpnsi6bzks4dqzlfwtcwfknmmzrd3cinolu5wbm3pw4b7ysx@pukutwlb53jm>
Date: Mon, 23 Jun 2025 08:50:52 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Akhil P Oommen <akhilpo@....qualcomm.com>
Cc: Catalin Marinas <catalin.marinas@....com>, 
	Will Deacon <will@...nel.org>, 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>, 
	Jessica Zhang <jessica.zhang@....qualcomm.com>, Marijn Suijten <marijn.suijten@...ainline.org>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-pm@...r.kernel.org, Jens Glathe <jens.glathe@...schoolsolutions.biz>
Subject: Re: [PATCH v3 1/4] dt-bindings: opp: adreno: Update regex of OPP
 entry

On Fri, Jun 20, 2025 at 12:24:28PM +0530, Akhil P Oommen wrote:
> In some cases, an OPP may have multiple varients to describe the
> differences in the resources between SKUs. As an example, we may
> want to vote different peak bandwidths in different SKUs for the
> same frequency and the OPP node names can have an additional
> integer suffix to denote this difference like below:
> 
>  opp-666000000-0 {
>          opp-hz = /bits/ 64 <666000000>;
>          opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
>          opp-peak-kBps = <8171875>;
>          qcom,opp-acd-level = <0xa82d5ffd>;
>          opp-supported-hw = <0xf>;
>  };
> 
>  /* Only applicable for SKUs which has 666Mhz as Fmax */
>  opp-666000000-1 {
>          opp-hz = /bits/ 64 <666000000>;
>          opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
>          opp-peak-kBps = <16500000>;
>          qcom,opp-acd-level = <0xa82d5ffd>;
>          opp-supported-hw = <0x10>;
>  };
> 
> Update the regex to allow this usecase.
> 
> Tested-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
> ---
>  Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof