From patchwork Fri Mar 10 10:39:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 95137 Delivered-To: patch@linaro.org Received: by 10.140.82.71 with SMTP id g65csp794744qgd; Fri, 10 Mar 2017 02:40:24 -0800 (PST) X-Received: by 10.99.114.6 with SMTP id n6mr19691473pgc.14.1489142423920; Fri, 10 Mar 2017 02:40:23 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f3si9247108plb.284.2017.03.10.02.40.23; Fri, 10 Mar 2017 02:40:23 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935442AbdCJKkS (ORCPT + 25 others); Fri, 10 Mar 2017 05:40:18 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:34694 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935356AbdCJKj5 (ORCPT ); Fri, 10 Mar 2017 05:39:57 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 516FD20821; Fri, 10 Mar 2017 11:39:53 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 Received: from qschulz.home (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 0AC252080C; Fri, 10 Mar 2017 11:39:36 +0100 (CET) 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, stefan.mavrodiev@gmail.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-sunxi@googlegroups.com, thomas.petazzoni@free-electrons.com, Quentin Schulz Subject: [PATCH v2 11/11] ARM: sun8i: a33: Add devfreq-based GPU cooling Date: Fri, 10 Mar 2017 11:39:21 +0100 Message-Id: <20170310103921.19469-12-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170310103921.19469-1-quentin.schulz@free-electrons.com> References: <20170310103921.19469-1-quentin.schulz@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk 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 --- added in v2 arch/arm/boot/dts/sun8i-a23-a33.dtsi | 3 +++ arch/arm/boot/dts/sun8i-a33.dtsi | 24 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+) -- 2.9.3 diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi index 5e8725d..dc4e942 100644 --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi @@ -495,6 +495,9 @@ assigned-clocks = <&ccu CLK_GPU>; assigned-clock-rates = <384000000>; + cooling-min-level = <0>; + cooling-max-level = <2>; + #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 df6e77f..6552762 100644 --- a/arch/arm/boot/dts/sun8i-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a33.dtsi @@ -202,6 +202,16 @@ 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 { @@ -212,6 +222,13 @@ type = "passive"; }; + gpu_alert0: gpu_alert0 { + /* milliCelsius */ + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_alert1: cpu_alert1 { /* milliCelsius */ temperature = <90000>; @@ -219,6 +236,13 @@ type = "hot"; }; + gpu_alert1: gpu_alert1 { + /* milliCelsius */ + temperature = <95000>; + hysteresis = <2000>; + type = "hot"; + }; + cpu_crit: cpu_crit { /* milliCelsius */ temperature = <110000>;