From: Richard Acayan <mailingradian@gmail.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Daniel Lezcano <daniel.lezcano@kernel.org>,
Zhang Rui <rui.zhang@intel.com>,
Lukasz Luba <lukasz.luba@arm.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Amit Kucheria <amitk@kernel.org>,
Thara Gopinath <thara.gopinath@gmail.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: sdm670: add thermal zones and thermal devices
Date: Wed, 4 Mar 2026 13:38:54 -0500 [thread overview]
Message-ID: <aah8PmAXnnGraBWt@rdacayan> (raw)
In-Reply-To: <55s2gczljwgtk5rihaq6iu6a2osotruyostrhjawwz7xywlumy@7vjt6vb2kkwt>
On Wed, Mar 04, 2026 at 03:55:21AM +0200, Dmitry Baryshkov wrote:
> On Tue, Mar 03, 2026 at 08:45:30PM -0500, Richard Acayan wrote:
> > Add thermal zones to safeguard from overheating to high temperatures,
> > along with the thermal sensors (TSENS) and CPU frequency limits (LMh).
> > The temperatures are very high, but should still be safeguard for
> > devices that do not specify their own thermal zones.
> >
> > Signed-off-by: Richard Acayan <mailingradian@gmail.com>
> > ---
> > arch/arm64/boot/dts/qcom/sdm670.dtsi | 474 +++++++++++++++++++++++++++
> > 1 file changed, 474 insertions(+)
> >
> > +
> > + mem-thermal {
> > + polling-delay-passive = <250>;
> > + polling-delay = <1000>;
> > +
> > + thermal-sensors = <&tsens1 2>;
> > +
> > + cooling-maps {
> > + map0 {
> > + trip = <&mem_alert0>;
> > + cooling-device = <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> > + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
>
> Why is it only cpu6 & 7?
They are supposed to have the highest available power consumption
(implying highest TDP).
> Note, SDM845 doesn't have any cooling maps for
> mem-thermal.
Makes sense, the cooling can be removed.
prev parent reply other threads:[~2026-03-04 18:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-04 1:45 [PATCH v2 0/3] SDM670 Basic SoC thermal zones Richard Acayan
2026-03-04 1:45 ` [PATCH v2 1/3] dt-bindings: thermal: tsens: add SDM670 compatible Richard Acayan
2026-03-04 1:45 ` [PATCH v2 2/3] dt-bindings: thermal: lmh: Add " Richard Acayan
2026-03-04 1:45 ` [PATCH v2 3/3] arm64: dts: qcom: sdm670: add thermal zones and thermal devices Richard Acayan
2026-03-04 1:55 ` Dmitry Baryshkov
2026-03-04 18:38 ` Richard Acayan [this message]
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