[PATCH] arm64: dts: meson: vim3: reduce cpu thermal fan trigger temperature

Subsystems: arm/amlogic meson soc support, the rest

STALE1886d

2 messages, 2 authors, 2021-06-11 · open the first message on its own page

[PATCH] arm64: dts: meson: vim3: reduce cpu thermal fan trigger temperature

From: <hidden>
Date: 2021-06-09 01:29:20 

From: Nick Xie <redacted>

Reduce the MCU FAN trigger temperature from
80 degree centigrade to 50 degree centigrade.

Signed-off-by: Nick Xie <redacted>
---
 arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
index 66d67524b031..a9c34fee91f4 100644
--- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
@@ -256,7 +256,7 @@ &cecb_AO {
 &cpu_thermal {
 	trips {
 		cpu_active: cpu-active {
-			temperature = <80000>; /* millicelsius */
+			temperature = <50000>; /* millicelsius */
 			hysteresis = <2000>; /* millicelsius */
 			type = "active";
 		};
-- 
2.25.1


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Re: [PATCH] arm64: dts: meson: vim3: reduce cpu thermal fan trigger temperature

From: Neil Armstrong <hidden>
Date: 2021-06-11 06:44:42 

Hi Nick,

On 09/06/2021 03:28, xieqinick@gmail.com wrote:
From: Nick Xie <redacted>

Reduce the MCU FAN trigger temperature from
80 degree centigrade to 50 degree centigrade.
Can you add some more rationale to this change ?
quoted hunk
Signed-off-by: Nick Xie <redacted>
---
 arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
index 66d67524b031..a9c34fee91f4 100644
--- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
@@ -256,7 +256,7 @@ &cecb_AO {
 &cpu_thermal {
 	trips {
 		cpu_active: cpu-active {
-			temperature = <80000>; /* millicelsius */
+			temperature = <50000>; /* millicelsius */
 			hysteresis = <2000>; /* millicelsius */
 			type = "active";
 		};
With that:
Reviewed-by: Neil Armstrong <redacted>

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