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Message-ID: <2735afb0-96ba-4efb-818d-0a7b342b7145@quicinc.com>
Date: Thu, 4 Sep 2025 14:48:39 +0530
From: Gaurav Kohli <quic_gkohli@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
Akhil P Oommen
<akhilpo@....qualcomm.com>,
Sean Paul <sean@...rly.run>, Konrad Dybcio
<konradybcio@...nel.org>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
"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>,
Connor Abbott <cwabbott0@...il.com>,
Srinivas Kandagatla <srini@...nel.org>,
Rob Clark
<robin.clark@....qualcomm.com>,
Dmitry Baryshkov <lumag@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 4/6] arm64: dts: qcom: lemans: Add GPU cooling
On 9/3/2025 5:48 PM, Konrad Dybcio wrote:
> On 8/21/25 8:55 PM, Akhil P Oommen wrote:
>> From: Gaurav Kohli <quic_gkohli@...cinc.com>
>>
>> Unlike the CPU, the GPU does not throttle its speed automatically when it
>> reaches high temperatures.
>>
>> Set up GPU cooling by throttling the GPU speed
>> when reaching 105°C.
>>
>> Signed-off-by: Gaurav Kohli <quic_gkohli@...cinc.com>
>> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
>> ---
>> arch/arm64/boot/dts/qcom/lemans.dtsi | 67 +++++++++++++++++++++++++++++-------
>> 1 file changed, 55 insertions(+), 12 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
>> index 8eac8d4719db9230105ad93ac22287850b6b007c..b5d4d07b2fd9c14a6f1cc462c695e864394cade2 100644
>> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
>> @@ -20,6 +20,7 @@
>> #include <dt-bindings/power/qcom,rpmhpd.h>
>> #include <dt-bindings/power/qcom-rpmpd.h>
>> #include <dt-bindings/soc/qcom,rpmh-rsc.h>
>> +#include <dt-bindings/thermal/thermal.h>
>>
>> / {
>> interrupt-parent = <&intc>;
>> @@ -6816,13 +6817,20 @@ trip-point1 {
>> };
>> };
>>
>> - gpuss-0-thermal {
>> + gpuss0_thermal: gpuss-0-thermal {
>
> You don't need labels for the thermal zones, just the trip points below
Sure, will update.
>
> Konrad
>
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