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Fri, 28 Aug 2026 06:42:18 -0700 (PDT) X-Received: by 2002:a05:622a:1348:b0:51c:845b:ac4 with SMTP id d75a77b69052e-52fb961b8a4mr52110911cf.3.1787924535956; Fri, 28 Aug 2026 06:42:15 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a611b5c572sm555948a12.4.2026.08.28.06.42.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Aug 2026 06:42:14 -0700 (PDT) Message-ID: Date: Fri, 28 Aug 2026 15:42:07 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 9/9] arm64: dts: qcom: hamoa: Enable CDSP cooling To: Gaurav Kohli , Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Daniel Lezcano , 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, Dipa Ramesh Mantre , Abel Vesa , Dmitry Baryshkov References: <20260809-b4-qmi-tmd-v8-0-b15d47adc379@oss.qualcomm.com> <20260809-b4-qmi-tmd-v8-9-b15d47adc379@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260809-b4-qmi-tmd-v8-9-b15d47adc379@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: KR1rUrzTswbzj07FYOLvMUsMeWEhOZyq X-Authority-Analysis: v=2.4 cv=ToDWQjXh c=1 sm=1 tr=0 ts=6a91903b cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=_nN_CDt7C_a4776dohAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: KR1rUrzTswbzj07FYOLvMUsMeWEhOZyq X-Proofpoint-Spam-Info: AW1haW4tMjYwODI4MDExOCBTYWx0ZWRfX6BS3Ja9nxkKR BhJLZbJ+tHMWrtioMFa9q55iHTQhdziZJxT8bMOGUfF/Ib/zixNTVVAcb3+04heDATn1ivu2Bik QjyRzkolwnu26T1MmuVPfaXK4hFoyeo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI4MDExOCBTYWx0ZWRfX3oym85VW5Tw+ fwG7V2CxUS3bpcp7HIGpjM0FQdxDidL5HYMukaaxI/O2N+uJLq1h97JpAscWhP0otoM/xo1/fvd 7uinG6PqDmD9xHYJJZMo3OTcfkXae/rBJdttzVPGvTISCuwF0qOYp9LjEyRXsnPd7cLjp7xBRLU E7/nu07CA9cleHkM8m4OUQ9/ElZMEcBo4UgTFnSCl1fG1aifdCUliyavFoclGe5ARfjhhORG7SV l93/M0QAIUOY34qqaIY/o6tJV5Uj2cdwvWw2nJa6bii33WvX81WiqtX9PsVS4+WA87tMTzwnEUa p8f6LTg+tEFu7dFth7f7EBTokr9kwHCXVSBt1H8O8S04DFBspSPpeCYS5fn739cXxd29REyaUp2 T1Ug4QiRJUbVTqmcoGM458gzRQYKml/h/UJbbDvi6HKXuSdRaKv8dwmuBMb2ItPFgCbHPo3U9ly d0j9BQFCCdqw0BmAZfw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-28_04,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 adultscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608280118 On 8/9/26 2:29 PM, Gaurav Kohli wrote: > From: Dipa Ramesh Mantre > > Unlike the CPU, the CDSP does not throttle its speed automatically > when it reaches high temperatures in hamoa. > > Set up CDSP cooling by throttling the cdsp, when it reaches 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. > > Update the NSP passive trip thresholds to 105°C to align with the > higher temperature specification for Hamoa IOT. > > Signed-off-by: Dipa Ramesh Mantre > Reviewed-by: Abel Vesa > Reviewed-by: Dmitry Baryshkov > Signed-off-by: Gaurav Kohli > --- Reviewed-by: Konrad Dybcio Konrad