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Fri, 2 Feb 2024 09:51:04 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20240202095104eusmtrp15fbe04a3ea76a0b1797f65ac46b92a6d~wAupeseMs2064820648eusmtrp1g; Fri, 2 Feb 2024 09:51:04 +0000 (GMT) X-AuditID: cbfec7f4-727ff70000002656-d3-65bcbb086c8b Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 12.C8.10702.80BBCB56; Fri, 2 Feb 2024 09:51:04 +0000 (GMT) Received: from AMDC4653.digital.local (unknown [106.120.51.32]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240202095103eusmtip15e86ad33d27184a8710bda287b9b4121~wAuojslAw2135221352eusmtip1b; Fri, 2 Feb 2024 09:51:03 +0000 (GMT) From: Marek Szyprowski To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Marek Szyprowski , Russell King , Arnd Bergmann , Geert Uytterhoeven , Krzysztof Kozlowski , Alexandre Torgue , Andrew Davis , Mark Brown , Lee Jones , Daniel Thompson , Jingoo Han , David Airlie , Daniel Vetter Subject: [PATCH] ARM: multi_v7_defconfig: Enable BACKLIGHT_CLASS_DEVICE Date: Fri, 2 Feb 2024 10:50:44 +0100 Message-Id: <20240202095044.1980696-1-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02Se0xTdxTH97v39t5Ls5LrxcVfAME0wQdSfG3zZjSKC4l3Q+MjkiyLDxq5 A0Ip2MKY/DFRHGLHoLSi0IKiYApsCpSXQBFpllagNkMY6oBgAUOsMoYWw0Nwttc5//ucx/ec 70kOidITAn8yUZHGKRUyuRgXYs3WeYeEbDdzmx1vtjPTPYUEc/fBNYSZf3oRMEtaK8EUOSdw xv58hGDeNBeizMDsNM6UGbSAqXKXEEzHsyaCuZVzFWNM44MCpr+tFGcsRR2AufH7CBFJsf2D fSi7uKAFbMercox9UtBEsIX3JGyrfoRgTTXncXZ40Iyzoz/bELah8hSb31gDWNvDFoR9aQra L/pWKI3j5Infc8pNO2KFCfnXjCC1QvjDpPOOIAu4SDXwISH1KVxq70fVQEjSVBWAS+et7wI3 gMbqIQEfvATw2eAQogakV9KYG87njQC2GMbAe0XFPxrMMxentkD1lBr38EoqEbZU2jFPE0pl Y3DJUYZ6Cn7Ubni5W+1ljAqBfeUOgWeDiNoJ71T68v6CYWfXPW+LiFoBu0smvPPRt/nsJoPX KqQqfKDRkI3xgih4t6bnHftBl62R4DkQ9uryMF5wDsDyxVGEDzQAZk3+BfiuCDjsWMA9LlBq A6xt28SfvAveL0jh0Rc+nFrBe/CF2uZLKJ8Wwdwcmp+xFuptN99v7frjPsozC5fNPYiHaeoI 1P1Zj2rAGv0Hl+k/uEz/v4VygNaAVVy6KjmeU21VcBnhKlmyKl0RH348JdkE3j5i77LNfQsY XTPhFoCQwAIgiYpXiqqDWjlaFCc7mckpU44p0+WcygICSEy8ShQSF8zRVLwsjUviuFRO+V8V IX38sxA5GlC8uHzbftkv7EKE5EpgxoL1ZGhD8etXlMOQutd0OGbUJK0vrYURTzZjZl1XaVP0 CfK57Me6xW8Uf7syUKGpQ509WYSvKcmZMvg/pSU3OzWOgbAdqYEHIteLf+kcP7NB4JrDZst+ y3T1/SQUKE5vG9J9Uic5cqJWmhdT91nf7NmxzI3DM+7deflXqr7bZz4aIIuJjY2iRWHRxWmh /fsuzkeF2o3B17cmvAjJDeoO2faR9pIz6PNHravTFAMZ7avbMM2A5SvnwatfJ5VOz0VI5WbX IXrMmh9NP47Oky4XuG/oKNy8MCP98sKv4z32ucc7xdVfzH4ceWh7mcu5rm2PGFMlyLaEokqV 7F96UzfR9wMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrFIsWRmVeSWpSXmKPExsVy+t/xu7ocu/ekGhw7JWTx/tREdosT1xcx Wfx8OY3R4u+kY+wWUx8+YbM48+Yuu8X/bROZLa58fc9mMXf2JEaLFV9mslvsfb2V3WJH20IW i02Pr7FaXN41h83i0NS9jBZrj9xldxDwuHztIrPH71+TGD32flvA4vG0fyu7x8Szuh47Z91l 99i0qpPN4861PWwe97uPM3lsXlLv0bdlFaPH8RvbmTw+b5IL4I3SsynKLy1JVcjILy6xVYo2 tDDSM7S00DMysdQzNDaPtTIyVdK3s0lJzcksSy3St0vQy+hbtJyxYDFXxfOHB1gbGF9xdDFy cEgImEhs6dDrYuTiEBJYyiix9eRlpi5GTqC4jMTJaQ2sELawxJ9rXWwQRZ8YJS6e+8UGkmAT MJToetsFZosIZEv82XiFBaSIWaCXReLEoyXMIAlhAXeJeSe7wGwWAVWJiwvOsYJs5hWwlziw hA9igbzE/oNnwUp4BQQlTs58wgJiMwPFm7fOZp7AyDcLSWoWktQCRqZVjCKppcW56bnFRnrF ibnFpXnpesn5uZsYgZG47djPLTsYV776qHeIkYmD8RCjBAezkgjvSrmdqUK8KYmVValF+fFF pTmpxYcYTYHOm8gsJZqcD0wFeSXxhmYGpoYmZpYGppZmxkrivJ4FHYlCAumJJanZqakFqUUw fUwcnFINTBNm7P25tX2v34GmJXY3TqW5FQt79ZyXFd7hu+wv8+doXvbtimq8ypM/53I2mi+/ v/fKdDnG3FUbQl9NCj3c1XUz3MN22tRXa28o/DN8XMr8svFz7rxdH1X27Fvwtjw555n+pv45 8kWab1pEL/ftMm56479a6bWXlsfp/3d8Y/q3+P16ox/yVu/qC0mBWn01sflpfnb/d965bP7o wkuZGQwqC3JO73t14XHRl1d689ZHb9/+xMxU99ajmsWzA+L2ujmrlGhN3MqwpnZJZODS0/YG O9I73vhwMy/zPGfygtlox1qhU8v/st+5PPtQ3/mSnIUP17rP/73Y+I631bYT+64vbpyvPsGO b+Yml7N2cyY8VmIpzkg01GIuKk4EAC+h70VNAwAA X-CMS-MailID: 20240202095104eucas1p2df4522cc4a7ee29540db1fb61d8e19fc X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20240202095104eucas1p2df4522cc4a7ee29540db1fb61d8e19fc X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20240202095104eucas1p2df4522cc4a7ee29540db1fb61d8e19fc References: Commit 72fee6b0a3a4 ("fbdev: Restrict FB_SH_MOBILE_LCDC to SuperH") disabled availablity of the SH_MOBILE_LCDC driver on the RENESAS arch. This innocent change has a significant side-effect on the ARM's multi_v7_defconfig, because FB_BACKLIGHT symbol is no longer selected, what in turn leaves BACKLIGHT_CLASS_DEVICE symbol selected only as a module. The latter disables some backlight related code in the DRM core, because the DRM core is set to be compiled-in in this defconfig. This leaves all DRM display panels without integrated backlight control, even if the needed modules have been properly loaded and probed. Fix this by selecting BACKLIGHT_CLASS_DEVICE to be compiled-in in multi_v7_defconfig. Signed-off-by: Marek Szyprowski --- 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 8f7445729cd0..b2955dcb5a53 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -777,6 +777,7 @@ CONFIG_FB_EFI=y CONFIG_FB_WM8505=y CONFIG_FB_SH_MOBILE_LCDC=y CONFIG_FB_SIMPLE=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_PWM=y CONFIG_BACKLIGHT_AS3711=y CONFIG_BACKLIGHT_GPIO=y -- 2.34.1