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Fri, 28 Aug 2026 06:41:42 -0700 (PDT) X-Received: by 2002:a05:620a:2950:b0:92e:601b:8d43 with SMTP id af79cd13be357-939137aa4f3mr479992085a.1.1787924501825; Fri, 28 Aug 2026 06:41:41 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c255f1fa3ddsm81168766b.45.2026.08.28.06.41.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Aug 2026 06:41:41 -0700 (PDT) Message-ID: Date: Fri, 28 Aug 2026 15:41:37 +0200 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 8/9] arm64: dts: qcom: monaco: 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, Dmitry Baryshkov References: <20260809-b4-qmi-tmd-v8-0-b15d47adc379@oss.qualcomm.com> <20260809-b4-qmi-tmd-v8-8-b15d47adc379@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260809-b4-qmi-tmd-v8-8-b15d47adc379@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: Wi0wnmKJZkcpY_Bh6Uq1Mb3r2Ci6E3x9 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI4MDExOCBTYWx0ZWRfXypqdLdOp1tS2 OjUCBExs/MDg25fIsXN3z88iJ6DJ3JZK2y/D3c2FXM6bolv6zgPCFGQc5kWz7unZzZ8pTRKpqr3 ZsEZly0lhnbNjHjxhgozbPyyqltXaDg= X-Authority-Analysis: v=2.4 cv=KPpqylFo c=1 sm=1 tr=0 ts=6a919017 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=_nN_CDt7C_a4776dohAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-ORIG-GUID: Wi0wnmKJZkcpY_Bh6Uq1Mb3r2Ci6E3x9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI4MDExOCBTYWx0ZWRfX8kMOhamYkM/e lzcKIoRGDKfvlNbxClGs0OBrxYv3iGCBVKNMwhR7+PvgmfRKiwnUhy0NZSeoimpbr33syEgZ1rZ xKt08rjKzAeJUY9rsKxr1P1DfFgME7jOsVQ+PMXklJp6EgrXpeMNfzP91/U1rrXWk26f8WVcs+x AUGdf7jcGsQ6dAig1IzyRT3PoDXgJGX8yrJJ/NJgCSGPqm8iJXLiC5XdkZJGsQMDyY2AOJ6/Eit OnSGf7iKbcdXdBTTPNrjzH3q7alOU/rU6uN+/m/q55YwXRCiHtnQ0VaIq09vSpg40uDznJxGYhl LGNX61M3pR7oJxYe/ERZDXFI7nvqWEdMJLyD9pA3OEWJN7lGt3WNpS1p/JC5QZ8Vd43gZAkWknN CSUZPw5CJ3yKlPjych7NMnkcM/X2z8D1N6zSenxDwI9OcEOtrTQqqgrz9jzsTHF8tgnkypCfh7U HiP2cikEVJdOcgh068Q== 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 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=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: > Unlike the CPU, the CDSP does not throttle its speed automatically > when it reaches high temperatures in monaco. > > Set up CDSP cooling by throttling the cdsp, when it reaches 115°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. > > Reviewed-by: Daniel Lezcano > Reviewed-by: Dmitry Baryshkov > Signed-off-by: Gaurav Kohli > --- Reviewed-by: Konrad Dybcio Konrad