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([2a01:cde0:108:24ed:2206:62e9:bbc4:c360]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-6692c9315ddsm1608848d50.16.2026.07.30.09.34.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Jul 2026 09:34:24 -0700 (PDT) Message-ID: <9d14fbef-43db-4463-b7d7-e5daee1368e6@oss.qualcomm.com> Date: Thu, 30 Jul 2026 18:34:19 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 5/9] arm64: dts: qcom: kodiak: Enable CDSP & Modem cooling To: Gaurav Kohli , Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Amit Kucheria , Konrad Dybcio , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Manivannan Sadhasivam , Kees Cook , "Gustavo A. R. Silva" , cros-qcom-dts-watchers@chromium.org Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-hardening@vger.kernel.org, manaf.pallikunhi@oss.qualcomm.com References: <20260727-b4-qmi-tmd-v6-0-973cd3a226af@oss.qualcomm.com> <20260727-b4-qmi-tmd-v6-5-973cd3a226af@oss.qualcomm.com> Content-Language: en-US From: Daniel Lezcano In-Reply-To: <20260727-b4-qmi-tmd-v6-5-973cd3a226af@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMwMDEyNCBTYWx0ZWRfX9uMR3aA0SOZC ecarP73ldqLF4hCf6cjonm3nL/iD4iczqPQHS9BBt1RNdlm9iPHDKhUqQ7CGiuPnYRZ8EEyJ8fc jlXtD31DlQT89wcPTqZUK0Aq0oUHQ2VRtxnrmh1BxqUZGTNpQ45QwWDoC4mJS+17gPqHpL02YIj L8NIkbK16MwG3Ig5/MGlJUGb99dezshIxtr0vc9z/R2SxfVVIpBHWz65XSxBVm5ZnmSUXcHJCzy BUoFiiG7ye8TkGhDlHSBaH70AzJ2/bpiEsTvRfR69tyWBj/SNfTrjSCTjABHpd7DfAAoZHMR/sw hSKVmzsMDRo+QsNczehkJ3Kh8zYU8Izay82NmgIywY7ObN5FSF9QBYgmwVw3XLk23Y/OG4ROCaV G1Zj9XDGq+f3ZrTsaxyLAZmH7FPWS3vIMQcLbGF/dJcOZmMo9Wf0/GaQoaNZ0tKmlUceXzv/miv 9p/GN2mDdlSHCdGVGOw== X-Authority-Analysis: v=2.4 cv=DNq/JSNb c=1 sm=1 tr=0 ts=6a6b7d12 cx=c_pps a=ngMg22mHWrP7m7pwYf9JkA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=oKFihCAVH3oSEhwhxOsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=yHXA93iunegOHmWoMUFd:22 X-Proofpoint-ORIG-GUID: chQR_JCAxmwwX6cdHwZlZ5gwzf-f0iS1 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMwMDEyNCBTYWx0ZWRfXwGcNwDY04jF5 N616TqaL5Y7rKW0elCv3uToM+aLmw5a/omtd7eI04gy/13Uta/MAM5DDZaAvdcsLv+Eu32e/i/d v4aRTBehcP6m2vf7mzdHDrVQTUSCSfk= X-Proofpoint-GUID: chQR_JCAxmwwX6cdHwZlZ5gwzf-f0iS1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-30_05,2026-07-30_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607300124 On 7/27/26 16:22, Gaurav Kohli wrote: > Unlike the CPU, the CDSP/Modem does not throttle its speed automatically > when it reaches high temperatures in kodiak. > > Set up CDSP cooling by throttling the cdsp when it reaches 100°C and > for modem when it reaches to 95°C. > > Add polling-delay-passive so the governor periodically evaluates > the zone during passive cooling and steps up cooling levels when > temperature stabilizes below the next trip. > > Since the remoteproc_mpss node doesn't exist on non modem boards, the > cooling-maps that reference it cause DT compilation errors. To fix that > remove inherited mdmss cooling-map nodes. > > Signed-off-by: Gaurav Kohli Reviewed-by: Daniel Lezcano