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| author | Frank Wunderlich <frank-w@public-files.de> | 2023-10-25 19:08:30 +0200 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2023-11-29 10:37:52 +0100 |
| commit | 1fcda8ceb014aafd56f10b33e0077c93b5dd45d1 (patch) | |
| tree | 6ed7bda6cb95f8fd0ce2a72cff8e1ac26fbd6802 | |
| parent | 6413cbc17f89b3a160f3a6f3fad1232b1678fe40 (diff) | |
| download | lwn-1fcda8ceb014aafd56f10b33e0077c93b5dd45d1.tar.gz lwn-1fcda8ceb014aafd56f10b33e0077c93b5dd45d1.zip | |
arm64: dts: mt7986: change cooling trips
Add Critical and hot trips for emergency system shutdown and limiting
system load.
Change passive trip to active to make sure fan is activated on the
lowest trip.
Cc: stable@vger.kernel.org
Fixes: 1f5be05132f3 ("arm64: dts: mt7986: add thermal-zones")
Fixes: c26f779a2295 ("arm64: dts: mt7986: add pwm-fan and cooling-maps to BPI-R3 dts")
Suggested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231025170832.78727-4-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts | 10 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 20 |
2 files changed, 21 insertions, 9 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts index f9702284607a..b876e501216b 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts +++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts @@ -152,16 +152,16 @@ trip = <&cpu_trip_active_high>; }; - cpu-active-low { + cpu-active-med { /* active: set fan to cooling level 1 */ cooling-device = <&fan 1 1>; - trip = <&cpu_trip_active_low>; + trip = <&cpu_trip_active_med>; }; - cpu-passive { - /* passive: set fan to cooling level 0 */ + cpu-active-low { + /* active: set fan to cooling level 0 */ cooling-device = <&fan 0 0>; - trip = <&cpu_trip_passive>; + trip = <&cpu_trip_active_low>; }; }; }; diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi index 77ddd9e44ed2..fc751e049953 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi @@ -614,22 +614,34 @@ thermal-sensors = <&thermal 0>; trips { + cpu_trip_crit: crit { + temperature = <125000>; + hysteresis = <2000>; + type = "critical"; + }; + + cpu_trip_hot: hot { + temperature = <120000>; + hysteresis = <2000>; + type = "hot"; + }; + cpu_trip_active_high: active-high { temperature = <115000>; hysteresis = <2000>; type = "active"; }; - cpu_trip_active_low: active-low { + cpu_trip_active_med: active-med { temperature = <85000>; hysteresis = <2000>; type = "active"; }; - cpu_trip_passive: passive { - temperature = <40000>; + cpu_trip_active_low: active-low { + temperature = <60000>; hysteresis = <2000>; - type = "passive"; + type = "active"; }; }; }; |