| Message ID | 20220905171601.79284-1-peron.clem@gmail.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Allwinner H6 GPU devfreq | expand |
Dne ponedeljek, 05. september 2022 ob 19:15:58 CEST je Clément Péron napisal(a): > Add a simple cooling map for the GPU. > > This cooling map come from the vendor kernel 4.9 with a > 2°C hysteresis added. > > Signed-off-by: Clément Péron <peron.clem@gmail.com> > --- > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 51 +++++++++++++++++++- > 1 file changed, 49 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi > b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index > 5a28303d3d4c..1259ab0c3956 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi > @@ -186,6 +186,7 @@ gpu: gpu@1800000 { > clocks = <&ccu CLK_GPU>, <&ccu CLK_BUS_GPU>; > clock-names = "core", "bus"; > resets = <&ccu RST_BUS_GPU>; > + #cooling-cells = <2>; > status = "disabled"; > }; > > @@ -1072,9 +1073,55 @@ map0 { > }; > > gpu-thermal { > - polling-delay-passive = <0>; > - polling-delay = <0>; > + polling-delay-passive = <1000>; > + polling-delay = <2000>; > thermal-sensors = <&ths 1>; > + > + trips { > + gpu_alert0: gpu-alert-0 { > + temperature = <95000>; > + hysteresis = <2000>; > + type = "passive"; > + }; > + > + gpu_alert1: gpu-alert-1 { > + temperature = > <100000>; > + hysteresis = <2000>; > + type = "passive"; > + }; > + > + gpu_alert2: gpu-alert-2 { > + temperature = > <105000>; > + hysteresis = <2000>; > + type = "passive"; > + }; > + > + gpu-crit { > + temperature = > <115000>; > + hysteresis = <0>; > + type = "critical"; > + }; > + }; > + > + cooling-maps { > + // Fordid the GPU to go over 756MHz Typo: Fordid -> Forbid Also next below. Best regards, Jernej > + map0 { > + trip = <&gpu_alert0>; > + cooling-device = <&gpu > 1 THERMAL_NO_LIMIT>; > + }; > + > + // Fordid the GPU to go over > 624MHz > + map1 { > + trip = <&gpu_alert1>; > + cooling-device = <&gpu > 2 THERMAL_NO_LIMIT>; > + }; > + > + // Fordid the GPU to go over > 576MHz > + map2 { > + trip = <&gpu_alert2>; > + cooling-device = <&gpu > 3 THERMAL_NO_LIMIT>; > + }; > + }; > }; > }; > }; > -- > 2.34.1
Hi, This is a refresh of previous patches sent to enable GPU Devfreq on H6 Beelink GS1 but that wasn't stable at that time[0]. With the recent fix on GPU PLL from Roman Stratiienko I have retested and everything seems stable and works as expected[1]. Regards, Clement 0: https://lore.kernel.org/lkml/CAJiuCce58Gaxf_Qg2cnMwvOgUqYU__eKb3MDX1Fe_+47htg2bA@mail.gmail.com/ 1: https://lore.kernel.org/linux-arm-kernel/2562485.k3LOHGUjKi@kista/T/ Changes since v2: - Fixes device-tree warnings - Add panfrost fix to enable regulator - Remove always-on regulator from device-tree - Update cooling map from vendor kernel Clément Péron (5): arm64: defconfig: Enable devfreq cooling device arm64: dts: allwinner: h6: Add cooling map for GPU arm64: dts: allwinner: h6: Add GPU OPP table drm/panfrost: devfreq: set opp to the recommended one to configure and enable regulator arm64: dts: allwinner: beelink-gs1: Enable GPU OPP .../dts/allwinner/sun50i-h6-beelink-gs1.dts | 1 + .../boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi | 87 +++++++++++++++++++ arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 51 ++++++++++- arch/arm64/configs/defconfig | 1 + drivers/gpu/drm/panfrost/panfrost_devfreq.c | 8 ++ 5 files changed, 146 insertions(+), 2 deletions(-) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi