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Tue, 20 Oct 2026 04:59:03 -0700 (PDT) Message-ID: <372be891-fa8b-4d17-a9d4-2d7becf1ad8f@oss.qualcomm.com> Date: Tue, 20 Oct 2026 13:59:00 +0200 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] arm64: dts: qcom: shikra: Enable CDSP & Modem cooling To: Dipa Ramesh Mantre , Bjorn Andersson , Mathieu Poirier , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, gaurav.kohli@oss.qualcomm.com References: <20260911-shikra_qmi_tmd-v1-0-96c1cca82f30@oss.qualcomm.com> <20260911-shikra_qmi_tmd-v1-2-96c1cca82f30@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260911-shikra_qmi_tmd-v1-2-96c1cca82f30@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: e9kP-oyJkAa9v14NEf8E3JslIhevjdD6 X-Proofpoint-ORIG-GUID: e9kP-oyJkAa9v14NEf8E3JslIhevjdD6 X-Authority-Analysis: v=2.4 cv=EuJHPicA c=1 sm=1 tr=0 ts=6ad75789 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=2J1e7r4m5WDM-kp8FRYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDA0NyBTYWx0ZWRfXxj8YTaIPyurf KNt0UZvvZWm4wCvvMOlxptGlKV5TIZRu8u9ok9p7pi8+r7dvbdl+NhL+lJkl5gchGxcY6LYpqy/ 4j53VvTBerjRLtnHF/77JtO58l1A8Ns= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDA0NyBTYWx0ZWRfX7RY2Q1uRZRHi vGSCswYNbvVNXkHscgFw5cSp8kzUFWyjkDaisIU3qF9QWhdW7s/2ZzLp9UiIurfU8lEMggOwui3 Fnt/6qaRJtItbmIbaZfo1E0vBMrWn573sYeEbicIgeJQYGhv5Fo6fgyInb103CEMK/6fPOaO2qS 7+r8125EDkvIhUCSIg1WsszZ/pyqHTr2w3Sm5mqxxGov9QBN65QEB+FYXx5nUrIOWiJYT5qRFFV 42aDVxLxBHgCD5MrxuguUUhrhUAAX8OMvB/6TdtLWCIAHkUNQBGaIWMmQ1YjglJt5e3Dylnm9K/ DrSmUMQSztAZU37OevmFXcENV+dq1tC1wfJzUVxVIk9ll8Epdv4sx2SPJYU6OfDaJn0/1iIb708 sED8hk+iiYhRuy1WGlM385DzjVC9V/SQN6Y64mTCNXmMGL5b5pFudUHfdcJMp+6SnQFpRkJZbtv Bb7nkYxvgAArlvFV5yw== 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=2026-10-20_01,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 clxscore=1015 spamscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200047 On 9/11/26 7:03 AM, Dipa Ramesh Mantre wrote: > Unlike the CPU, the CDSP/Modem does not throttle its speed automatically > when it reaches high temperatures in shikra. > > Set up CDSP/Modem cooling by throttling the CDSP and modem when they > reach 115°C using the QMI TMD cooling device framework. > > Signed-off-by: Dipa Ramesh Mantre > --- [...] > - nsp-critical { > + nsp_alert1: nsp-alert1 { > temperature = <115000>; > + hysteresis = <5000>; > + type = "passive"; > + }; No "hot" points? And no throttling at all until 115? > + > + nsp-critical { > + temperature = <118000>; > hysteresis = <0>; > type = "critical"; > }; > }; > + > + cooling-maps { > + map0 { > + trip = <&nsp_alert1>; > + cooling-device = <&remoteproc_cdsp QCOM_TMD_CDSP_SW > + THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; Please align the arguments so that we have: <&foo bar FOO BAR> instead of <&foo bar FOO BAR> Konrad