From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933790AbdCURek (ORCPT ); Tue, 21 Mar 2017 13:34:40 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:60560 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758038AbdCUPgk (ORCPT ); Tue, 21 Mar 2017 11:36:40 -0400 From: Quentin Schulz To: dmitry.torokhov@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, maxime.ripard@free-electrons.com, wens@csie.org, lee.jones@linaro.org, linux@armlinux.org.uk, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net Cc: thomas.petazzoni@free-electrons.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-sunxi@googlegroups.com, icenowy@aosc.xyz, Quentin Schulz Subject: [PATCH v3 10/11] ARM: sun8i: a33: Add devfreq-based GPU cooling Date: Tue, 21 Mar 2017 16:36:10 +0100 Message-Id: <20170321153611.16228-11-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170321153611.16228-1-quentin.schulz@free-electrons.com> References: <20170321153611.16228-1-quentin.schulz@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maxime Ripard This adds GPU thermal throttling for the Allwinner A33. Signed-off-by: Maxime Ripard Signed-off-by: Quentin Schulz --- v3: - got rid of cooling-min-level and cooling-max-level as it's not used in any code in the kernel, added in v2 arch/arm/boot/dts/sun8i-a23-a33.dtsi | 1 + arch/arm/boot/dts/sun8i-a33.dtsi | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi index 5e8725d..6d81a6d 100644 --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi @@ -495,6 +495,7 @@ assigned-clocks = <&ccu CLK_GPU>; assigned-clock-rates = <384000000>; + #cooling-cells = <2>; }; gic: interrupt-controller@01c81000 { diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi index 73552bb..a2c6077 100644 --- a/arch/arm/boot/dts/sun8i-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a33.dtsi @@ -188,6 +188,16 @@ 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 { @@ -198,6 +208,13 @@ type = "passive"; }; + gpu_alert0: gpu_alert0 { + /* milliCelsius */ + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_alert1: cpu_alert1 { /* milliCelsius */ temperature = <90000>; @@ -205,6 +222,13 @@ type = "hot"; }; + gpu_alert1: gpu_alert1 { + /* milliCelsius */ + temperature = <95000>; + hysteresis = <2000>; + type = "hot"; + }; + cpu_crit: cpu_crit { /* milliCelsius */ temperature = <110000>; -- 2.9.3