From patchwork Tue Mar 21 15:36:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 9636963 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8A921602CC for ; Tue, 21 Mar 2017 15:38:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7ABD32830A for ; Tue, 21 Mar 2017 15:38:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6F58D28422; Tue, 21 Mar 2017 15:38:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DEF8F2830A for ; Tue, 21 Mar 2017 15:38:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=M7uCb5uElJRLE9piB2r+YjtyIL7gY+G+rS9vha/59fM=; b=ZAEOtObnCOHRfCbntMe07KtkTh +JHBGABqADubdHZkP4IAzG33ueLQS2nhRZ5GsXNovT0hdVcunDRX/MF++eHfQQyV+yLdIEx3kaPm5 3IJuWgmnY2NkbS/p2l9RFSCgvybCUk0fyXxzWoKF64BzVX8SqJ8ARA9/xDbHSwc4OCiEEcT0CaN4d fomKMIjUXUk9RbHn1fFHdDnFbyufO2V7ilf0lgTpX/PZ1A22kznQG1R7ZJt3ipwRunW2jFpGYahhH Gut/3cGPbiHDQYqGLQAoq+wX95OTnfYTgxmktWhOi1vurOVRgawktvTTgFLHrtgmwrORRsXUik2sF 0DzhczRg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cqLrU-0001S9-2p; Tue, 21 Mar 2017 15:38:16 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cqLqZ-0008V5-6B for linux-arm-kernel@lists.infradead.org; Tue, 21 Mar 2017 15:37:28 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 933EC212EA; Tue, 21 Mar 2017 16:36:38 +0100 (CET) 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 B5CED212F0; Tue, 21 Mar 2017 16:36:37 +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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170321_083720_638506_314FCC2F X-CRM114-Status: GOOD ( 10.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thomas.petazzoni@free-electrons.com, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Quentin Schulz , linux-sunxi@googlegroups.com, icenowy@aosc.xyz, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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>;