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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35e42e0abaesm292036a91.3.2026.04.09.19.37.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Apr 2026 19:37:11 -0700 (PDT) Message-ID: <5562f00b-8d84-4b7d-8a2a-95f805a44025@oss.qualcomm.com> Date: Fri, 10 Apr 2026 10:37:08 +0800 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH ath-next 0/5] wifi: ath12k: thermal throttling and cooling device support To: Maharaja Kennadyrajan , ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org References: <20260331142446.2951809-1-maharaja.kennadyrajan@oss.qualcomm.com> From: Baochen Qiang Content-Language: en-US In-Reply-To: <20260331142446.2951809-1-maharaja.kennadyrajan@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=XtnK/1F9 c=1 sm=1 tr=0 ts=69d86259 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=ZeLpQyFM_iFLYNy5nMIA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEwMDAyMiBTYWx0ZWRfXyF7WFO9mRgtP jgxi1gHZgtQymCqiuW6tG6Dl4iJa6XUNBkUpPbwMHRHQfFiAsBExDFdim3fZFcFaf0Iz9K24f85 7ec7o81fKyewAeZSIm8gtracFUyOWTjLM5Kf08jAItuiHjxXkd85ZdOV/sav0yNut107M9Rd6Mf 3rQqpS8HJUuNBrPzX9u0lf1bMHM6aHrEFvdmGOFT1SGiGni7SHi8VoZXEAaDzWj7XmyZLsydk8Z T8OZp2i9/NdBMKFO4Jiq49PLd7Cfjm23BSn/wRfRAhjjNBpnQmXRg4LPUMQ39sz5KeKIWCRKB6H AhezsmimFLScJ2DS6AcXkMAYLf2m4n6Ylj20x4O28S58d5hIPRcSLDaYLUxnNAtpqbMY8Luqnj6 aFUBELcdVyzW0al4wbyovgBeHYmoO1JnTSVEZboZ5501EFEVG/UZdLaJk9+87OZiFQCkFa6TZPi 1ZOWuvbfchFdk/Fuitg== X-Proofpoint-GUID: wu9iNOfOhZOEc5xn7iJDpJ0M4P2anxok X-Proofpoint-ORIG-GUID: wu9iNOfOhZOEc5xn7iJDpJ0M4P2anxok X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-09_05,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 bulkscore=0 phishscore=0 impostorscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604100022 On 3/31/2026 10:24 PM, Maharaja Kennadyrajan wrote: > Patch 1 handles the firmware stats event so we can track the current > temperature and throttle level per pdev without spamming logs. > > Patch 2 enables thermal throttling at bring-up and programs default level > tables to firmware via WMI_THERM_THROT_SET_CONF_CMDID; the driver picks > IPA/XFEM defaults based on the firmware WMI service bitmap, supports 4 or 5 > levels as advertised, and only fills optional fields (pout reduction, > tx chain mask) when the corresponding WMI service bits are present. > > Patch 3 refactors per-radio thermal hwmon cleanup to reduce code duplication and > ensure consistent cleanup across thermal register and unregister paths. > > Patch 4 reorders the group teardown logic symmetric for safe thermal sysfs cleanup. > > Patch 5 exposes a thermal cooling device per radio so the kernel thermal > framework or userspace can set the TX duty-cycle off percentage; writes > are validated against the throttling state range and host state is kept in > sync with successful firmware updates. > > Examples: > echo 40 > /sys/devices/pci0000:00/0000:00:1d.1/0000:58:00.0/ieee80211/phyX/cooling_device/cur_stat > cat /sys/devices/pci0000:00/0000:00:1d.1/0000:58:00.0/ieee80211/phyX/cooling_device/cur_state > cat /sys/devices/pci0000:00/0000:00:1d.1/0000:58:00.0/ieee80211/phyX/cooling_device/max_state > > Maharaja Kennadyrajan (5): > wifi: ath12k: handle thermal throttle stats WMI event > wifi: ath12k: configure firmware thermal throttling via WMI > wifi: ath12k: refactor per-radio thermal hwmon setup and cleanup > wifi: ath12k: reorder group start/stop for safe thermal sysfs cleanup > wifi: ath12k: add thermal cooling device support > > drivers/net/wireless/ath/ath12k/core.c | 50 +++-- > drivers/net/wireless/ath/ath12k/mac.c | 9 + > drivers/net/wireless/ath/ath12k/thermal.c | 252 ++++++++++++++++++---- > drivers/net/wireless/ath/ath12k/thermal.h | 35 +++ > drivers/net/wireless/ath/ath12k/wmi.c | 107 +++++++++ > drivers/net/wireless/ath/ath12k/wmi.h | 50 +++++ > 6 files changed, 446 insertions(+), 57 deletions(-) > > > base-commit: dbd94b9831bc52a1efb7ff3de841ffc3457428ce Reviewed-by: Baochen Qiang