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https://github.com/archlinuxarm/PKGBUILDs.git
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39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
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From 9d393938a33f304ae2b40a1c4669db48928648cf Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <wahrenst@gmx.net>
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Date: Sat, 30 Nov 2019 13:31:13 +0100
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Subject: [PATCH 5/5] ARM: dts: bcm283x: Fix critical trip point
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During definition of the CPU thermal zone of BCM283x SoC family there was
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a misunderstanding of the meaning "criticial trip point" and the thermal
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throttling range of the VideoCore firmware. The latter one takes effect
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when the core temperature is between 80 and 85 degree celsius. So the
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current critical trip point doesn't make sense, because the
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thermal shutdown appears before the firmware has a chance to throttle the
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ARM core(s).
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Fix these unwanted shutdowns by increasing the critical trip point
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to a value which shouldn't be reached with working thermal throttling.
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Fixes: 0fe4d2181cc4 ("ARM: dts: bcm283x: Add CPU thermal zone with 1 trip point")
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Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
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---
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arch/arm/boot/dts/bcm283x.dtsi | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
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index 2d191fcbc2cc..90125ce19a1b 100644
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--- a/arch/arm/boot/dts/bcm283x.dtsi
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+++ b/arch/arm/boot/dts/bcm283x.dtsi
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@@ -40,7 +40,7 @@
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trips {
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cpu-crit {
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- temperature = <80000>;
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+ temperature = <90000>;
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hysteresis = <0>;
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type = "critical";
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};
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--
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2.23.0
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