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R. Silva" , cros-qcom-dts-watchers@chromium.org, 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 Meethalavalappu Pallikunhi References: <20260703-qmi-tmd-v4-0-3882189c1f83@oss.qualcomm.com> <20260703-qmi-tmd-v4-6-3882189c1f83@oss.qualcomm.com> Content-Language: en-US From: Gaurav Kohli In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA1MDEwNiBTYWx0ZWRfX2Y+lyNHk0PcD U0J92zVuJmT/t3UAlMUajQqtTawU2JMmL1iILaPp6/SUzey8xdg+2S4Q0GlMQL8BmEQ3WuNe5Hn JHuQ4hgV/etwdDp/peXNBKEVC9lXaIw= X-Proofpoint-ORIG-GUID: csUyVF4fYYXmVgL5SDnzsX1yZ3suJ_vC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA1MDEwNiBTYWx0ZWRfXyRF3jx8AN5GV oytsfcitGlIS/V9SeFuiGl9kg7n8FXt4S2vkvw/ky3aFTfCdFTjWupltsNDkjcgAY8UYEljfc9/ keXcptxXwOJa7juLFSqmbgbXXWqZgTTlyIXIXtFT5nCrTRFYn318E7025OXG9RlJ7rP6zdQt/Ie lpJhmPdomzbY6SpxO6TMonPDMBv4PB67Y81W5+lh0+Q45eBOwZ8dWHHLIaJ8J4RN8QN/2yJYS7F QVCa+tnNZVfJ6uZhl3aYyZdQFjgksKsizWduGPF0Sk8m+u4f7G1y/x24azRrRnY9q3gUaPdHy8R Ah41jOyjerEkDcF2VNmYtZzV83WYzOHOYzhXUQAI4CqZfVZb7DLDetet88nf70p8HYKAVobuMKi 4eEAvf3HDtthf6+8ztTuOuDLLCfEICa9nQMRkDPsWG9eGx9m00+yVLQM9jL7v+ZZWSfqzqefR2T kl+M6ntHhrZq1OKMb0w== X-Proofpoint-GUID: csUyVF4fYYXmVgL5SDnzsX1yZ3suJ_vC X-Authority-Analysis: v=2.4 cv=ZfQt8MVA c=1 sm=1 tr=0 ts=6a4a2fbd cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=JaHktJlP2QtFIg7UHuVw+g==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=dzk2ctQkzv_BcHpUmM0A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-04_03,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 impostorscore=0 adultscore=0 phishscore=0 priorityscore=1501 clxscore=1015 suspectscore=0 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607050106 On 7/3/2026 9:18 PM, Dmitry Baryshkov wrote: > On Fri, Jul 03, 2026 at 10:33:09AM +0530, 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. >> >> 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 >> --- >> arch/arm64/boot/dts/qcom/kodiak.dtsi | 134 ++++++++++++++++++++- >> .../boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts | 17 +++ >> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 17 +++ >> .../dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts | 17 +++ >> .../boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts | 17 +++ >> .../boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi | 17 +++ >> .../boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi | 16 +++ >> 7 files changed, 231 insertions(+), 4 deletions(-) >> >> @@ -7716,6 +7722,8 @@ map0 { >> }; >> >> nspss0-thermal { >> + polling-delay-passive = <200>; > > Why? This applies to all added polling delays. Thanks for review, will update the reasoning(passive polling mode) in commit message. > >> + >> thermal-sensors = <&tsens1 3>; >> >> trips { >> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts >> index bb5a42b038f1..400d128132fc 100644 >> --- a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts >> +++ b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts >> @@ -24,6 +24,23 @@ >> /delete-node/ &adsp_mem; >> /delete-node/ &cdsp_mem; >> /delete-node/ &ipa_fw_mem; >> + >> +&mdmss0_thermal { >> + /delete-node/ cooling-maps; > > Don't kill what is unnecessary to be killed. Remove only MPSS maps. Thanks for review, will change this to delete only the MPSS map entries. > >> +}; >> + >> +&mdmss1_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss2_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss3_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> /delete-node/ &mpss_mem; >> /delete-node/ &remoteproc_mpss; >> /delete-node/ &remoteproc_wpss; >> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts >> index 37a3b51323ce..187bc2899191 100644 >> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts >> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts >> @@ -25,6 +25,23 @@ >> /delete-node/ &rmtfs_mem; >> /delete-node/ &adsp_mem; >> /delete-node/ &cdsp_mem; >> + >> +&mdmss0_thermal { >> + /delete-node/ cooling-maps; > > But MPSS is there. Why are you removing it? thanks for review, Let me recheck this and fix this. > >> +}; >> + >> +&mdmss1_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss2_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss3_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> /delete-node/ &video_mem; >> /delete-node/ &wlan_ce_mem; >> /delete-node/ &wpss_mem; >> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts >> index a5ad796cb65d..1e190ed18ae5 100644 >> --- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts >> +++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts >> @@ -22,6 +22,23 @@ >> /delete-node/ &cdsp_mem; >> /delete-node/ &ipa_fw_mem; >> /delete-node/ &mpss_mem; >> + >> +&mdmss0_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss1_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss2_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss3_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> /delete-node/ &remoteproc_mpss; >> /delete-node/ &remoteproc_wpss; >> /delete-node/ &rmtfs_mem; >> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts >> index f47efca42d48..8e8dd4efd8c0 100644 >> --- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts >> +++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts >> @@ -23,6 +23,23 @@ >> /delete-node/ &adsp_mem; >> /delete-node/ &cdsp_mem; >> /delete-node/ &ipa_fw_mem; >> + >> +&mdmss0_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss1_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss2_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss3_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> /delete-node/ &mpss_mem; >> /delete-node/ &remoteproc_mpss; >> /delete-node/ &remoteproc_wpss; >> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi >> index b721a8546800..1e9d7e7b5fa2 100644 >> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi >> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi >> @@ -26,8 +26,25 @@ &ipa { >> status = "okay"; >> }; >> >> +&mdmss0_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss1_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss2_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss3_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> &remoteproc_mpss { >> compatible = "qcom,sc7280-mss-pil"; >> + /delete-property/ #cooling-cells; >> reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>; >> reg-names = "qdsp6", "rmb"; >> >> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi >> index 3ebc915f0dc2..6642076f62c4 100644 >> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi >> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi >> @@ -7,6 +7,22 @@ >> >> /* WIFI SKUs save 256M by not having modem/mba/rmtfs memory regions defined. */ >> >> +&mdmss0_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss1_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss2_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> +&mdmss3_thermal { >> + /delete-node/ cooling-maps; >> +}; >> + >> /delete-node/ &mpss_mem; >> /delete-node/ &remoteproc_mpss; >> /delete-node/ &rmtfs_mem; >> >> -- >> 2.34.1 >> >