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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-04-05 11:06:33 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-04-05 14:11:19 +0200 |
| commit | e846011ee2ab1e3b364d66eb17a1650bf2760849 (patch) | |
| tree | 7cfd503797597e70b8a79057220dd07270c4d95b /arch/arm | |
| parent | a5ce7a3d44a2e0d88dfe2b870331ec7c5c2d3080 (diff) | |
| download | linux-rt-e846011ee2ab1e3b364d66eb17a1650bf2760849.tar.gz | |
ARM: sun8i: a33: Add devfreq-based GPU cooling
This adds GPU thermal throttling for the Allwinner A33.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/sun8i-a23-a33.dtsi | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/sun8i-a33.dtsi | 24 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi index e26110e15689..bd28f75b9579 100644 --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi @@ -492,6 +492,7 @@ clocks = <&ccu CLK_BUS_GPU>, <&ccu CLK_GPU>; clock-names = "bus", "core"; resets = <&ccu RST_BUS_GPU>; + #cooling-cells = <2>; assigned-clocks = <&ccu CLK_GPU>; assigned-clock-rates = <408000000>; diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi index 2bf36d86a00f..eeba172a0fb7 100644 --- a/arch/arm/boot/dts/sun8i-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a33.dtsi @@ -407,6 +407,16 @@ trip = <&cpu_alert1>; cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; }; + + map2 { + trip = <&gpu_alert0>; + cooling-device = <&mali 1 THERMAL_NO_LIMIT>; + }; + + map3 { + trip = <&gpu_alert1>; + cooling-device = <&mali 2 THERMAL_NO_LIMIT>; + }; }; trips { @@ -417,6 +427,13 @@ type = "passive"; }; + gpu_alert0: gpu_alert0 { + /* milliCelsius */ + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_alert1: cpu_alert1 { /* milliCelsius */ temperature = <90000>; @@ -424,6 +441,13 @@ type = "hot"; }; + gpu_alert1: gpu_alert1 { + /* milliCelsius */ + temperature = <95000>; + hysteresis = <2000>; + type = "hot"; + }; + cpu_crit: cpu_crit { /* milliCelsius */ temperature = <110000>; |