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From:   Marek Szyprowski <m.szyprowski@samsung.com>
To:     linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Marek Szyprowski <m.szyprowski@samsung.com>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Chanwoo Choi <cw00.choi@samsung.com>
Subject: [PATCH 3/3] ARM: multi_v7_defconfig: Enable devfreq thermal
 integration
Date:   Fri, 17 Jan 2020 13:34:48 +0100
Message-Id: <20200117123448.13807-3-m.szyprowski@samsung.com>
In-Reply-To: <20200117123448.13807-1-m.szyprowski@samsung.com>
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CMS-TYPE: 201P
References: <20200117123448.13807-1-m.szyprowski@samsung.com>
        <CGME20200117123454eucas1p28093460c40e4300d4a58f7809f614135@eucas1p2.samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Panfrost driver provides a devfreq driver for the Mali GPU and allows to
scale GPU core frequency. Enable support for devfreq thermal integration
to enable cooling of GPU thermal zone by reducing GPU core frequency.

This fixes following warning during boot on Exynos5422-based Odroid XU4:

panfrost 11800000.gpu: [drm:panfrost_devfreq_init] Failed to register cooling device

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 arch/arm/configs/multi_v7_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 80373fe0280d..cc7f9533b3ef 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -492,6 +492,7 @@ CONFIG_SENSORS_PWM_FAN=m
 CONFIG_SENSORS_RASPBERRYPI_HWMON=m
 CONFIG_SENSORS_INA2XX=m
 CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
 CONFIG_IMX_THERMAL=y
 CONFIG_ROCKCHIP_THERMAL=y
 CONFIG_RCAR_THERMAL=y
-- 
2.17.1