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51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
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From b78f87940a79321a444083aca46ac3e8e53d1a90 Mon Sep 17 00:00:00 2001
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From: Alexey Charkov <alchark@gmail.com>
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Date: Mon, 17 Jun 2024 22:28:53 +0400
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Subject: [PATCH] arm64: dts: rockchip: add passive GPU cooling on RK3588
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As the GPU support on RK3588 has been merged upstream, along with OPP
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values, add a corresponding cooling map for passive cooling using the GPU.
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Signed-off-by: Alexey Charkov <alchark@gmail.com>
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Link: https://lore.kernel.org/r/20240617-rk-dts-additions-v5-3-c1f5f3267f1e@gmail.com
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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arch/arm64/boot/dts/rockchip/rk3588-base.dtsi | 16 +++++++++++++++-
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1 file changed, 15 insertions(+), 1 deletion(-)
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--- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
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+++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
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@@ -2493,17 +2493,31 @@
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};
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gpu_thermal: gpu-thermal {
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- polling-delay-passive = <0>;
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+ polling-delay-passive = <100>;
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polling-delay = <0>;
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thermal-sensors = <&tsadc 5>;
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trips {
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+ gpu_alert: gpu-alert {
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+ temperature = <85000>;
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+ hysteresis = <2000>;
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+ type = "passive";
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+ };
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+
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gpu_crit: gpu-crit {
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temperature = <115000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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+
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+ cooling-maps {
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+ map0 {
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+ trip = <&gpu_alert>;
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+ cooling-device =
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+ <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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+ };
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+ };
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};
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npu_thermal: npu-thermal {
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