git.openwrt.org Git - openwrt/staging/blocktrron.git/blob

   1 From b78f87940a79321a444083aca46ac3e8e53d1a90 Mon Sep 17 00:00:00 2001
   2 From: Alexey Charkov <alchark@gmail.com>
   3 Date: Mon, 17 Jun 2024 22:28:53 +0400
   4 Subject: [PATCH] arm64: dts: rockchip: add passive GPU cooling on RK3588
   5
   6 As the GPU support on RK3588 has been merged upstream, along with OPP
   7 values, add a corresponding cooling map for passive cooling using the GPU.
   8
   9 Signed-off-by: Alexey Charkov <alchark@gmail.com>
  10 Link: https://lore.kernel.org/r/20240617-rk-dts-additions-v5-3-c1f5f3267f1e@gmail.com
  11 Signed-off-by: Heiko Stuebner <heiko@sntech.de>
  12 ---
  13  arch/arm64/boot/dts/rockchip/rk3588-base.dtsi | 16 +++++++++++++++-
  14  1 file changed, 15 insertions(+), 1 deletion(-)
  15
  16 --- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
  17 +++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
  18 @@ -2493,17 +2493,31 @@
  19                 };
  20
  21                 gpu_thermal: gpu-thermal {
  22 -                       polling-delay-passive = <0>;
  23 +                       polling-delay-passive = <100>;
  24                         polling-delay = <0>;
  25                         thermal-sensors = <&tsadc 5>;
  26
  27                         trips {
  28 +                               gpu_alert: gpu-alert {
  29 +                                       temperature = <85000>;
  30 +                                       hysteresis = <2000>;
  31 +                                       type = "passive";
  32 +                               };
  33 +
  34                                 gpu_crit: gpu-crit {
  35                                         temperature = <115000>;
  36                                         hysteresis = <0>;
  37                                         type = "critical";
  38                                 };
  39                         };
  40 +
  41 +                       cooling-maps {
  42 +                               map0 {
  43 +                                       trip = <&gpu_alert>;
  44 +                                       cooling-device =
  45 +                                               <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  46 +                               };
  47 +                       };
  48                 };
  49
  50                 npu_thermal: npu-thermal {