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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b041f6fb232sm882398566b.87.2025.09.03.05.18.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 05:18:12 -0700 (PDT) Message-ID: <4ac0ff3d-38db-44cc-9e36-44f9e819e96d@oss.qualcomm.com> Date: Wed, 3 Sep 2025 14:18:08 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 4/6] arm64: dts: qcom: lemans: Add GPU cooling To: Akhil P Oommen , Sean Paul , Konrad Dybcio , Abhinav Kumar , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Connor Abbott , Srinivas Kandagatla , Rob Clark , Dmitry Baryshkov Cc: Gaurav Kohli , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20250822-a663-gpu-support-v4-0-97d26bb2144e@oss.qualcomm.com> <20250822-a663-gpu-support-v4-4-97d26bb2144e@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250822-a663-gpu-support-v4-4-97d26bb2144e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAzMiBTYWx0ZWRfX4DyOMwod1dDw qGusP5hXFBBNfXu4cKXOYcCvwzo6Jg571kiee0sBtmEf3f3NEkkm/A7hC0GJUaJLDW6R3bvBRXs kNTpMajO9V9wOzK1LaR/lRAE9gDN9EIu0Zw4tjppXedz1BwHj4g8FjCKSPF1lwnGvcOtZ+W9st5 NfBbPkstca/4Jdc+ejYggqRBf+VCKolYqxhO34Nc9UQ5s7WlAxIe338u4fbPKrXz9AY8N75xP1e 4sw4zr2ZBtX/o+VUmlRLGuKUGMm+fldGY/SJPu53RgG4fsHTVxtCFuJosjkweF8mxtdCBGQr6P4 pnSF6JaHBoAxpjM2xiELP3+kJxGloIWP61HETtm0HeHs2DTatzFwRLiWuqlQeBvsgrCFyTO7jJ5 kQVHeMRS X-Proofpoint-ORIG-GUID: rNJg0XdvpA07K-9zZX2i6fAbJa_aQaEc X-Proofpoint-GUID: rNJg0XdvpA07K-9zZX2i6fAbJa_aQaEc X-Authority-Analysis: v=2.4 cv=M9NNKzws c=1 sm=1 tr=0 ts=68b83207 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=R3Qjy7WId1ItUu-RO-4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-03_06,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 spamscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300032 On 8/21/25 8:55 PM, Akhil P Oommen wrote: > From: Gaurav Kohli > > 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 > Signed-off-by: Akhil P Oommen > --- > 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 > #include > #include > +#include > > / { > 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 Konrad