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Fri, 2 Feb 2024 09:43:06 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20240202094306eusmtrp2c678e2ef96f6fc4c3e1a5ce19d8d7770~wAnsKgGQe1936519365eusmtrp2K; Fri, 2 Feb 2024 09:43:06 +0000 (GMT) X-AuditID: cbfec7f4-727ff70000002656-d3-65bcb92a00c7 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 49.61.09146.A29BCB56; Fri, 2 Feb 2024 09:43:06 +0000 (GMT) Received: from AMDC4653.digital.local (unknown [106.120.51.32]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240202094305eusmtip148afa28ecd6a7bc0c47560a47a43221a~wAnrRJxTY1680716807eusmtip1i; Fri, 2 Feb 2024 09:43:05 +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: Date: Fri, 2 Feb 2024 10:43:00 +0100 Message-Id: <20240202094300.1875944-1-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: H4sIAAAAAAAAA+NgFnrKKsWRmVeSWpSXmKPExsWy7djPc7paO/ekGux5oG3x/tREdosT1xcx Wfx8OY3R4u+kY+wWUx8+YbM48+Yuu8X/bROZLa58fc9mMXf2JEaLFV9mslvsfb2V3WJH20IW i02Pr7FaXN41h83i0NS9jBZrj9xldxDwuHztIrPH71+TGD32flvA4vG0fyu7x8Szuh47Z91l 99i0qpPN4861PWwe97uPM3lsXlLv0bdlFaPH8RvbmTw+b5IL4I3isklJzcksSy3St0vgyrhy ZwJjwTuuipXz3zA2MK7h7GLk5JAQMJF4vuAHYxcjF4eQwApGidenvkM5Xxgl7j+8ywRSJSTw mVFiZ3cATMeth2/ZIIqWM0r82bqCDa5j/Zxr7CBVbAKGEl1vu9hAbBGBTIntS86wgBQxCzSz SPw9N5cZJCEswCmxqfs8WAOLgKrE3xnvWEBsXgF7icnPj7FArJOX2H/wLDNEXFDi5MwnYHFm oHjz1tnMIEMlBGZzSuy8v4K1i5EDyHGRWLRDGaJXWOLV8S3sELaMxP+d85kg6tsZJRb8vg/l TGCUaHh+ixGiylrizrlfbCCDmAU0Jdbv0ocIO0psfvyQHWI+n8SNt4IQN/BJTNo2nRkizCvR 0SYEUa0mMev4Ori1By9cYoawPSTav3+FhmisxNS1ixknMCrMQvLZLCSfzUK4YQEj8ypG8dTS 4tz01GKjvNRyveLE3OLSvHS95PzcTYzAlHj63/EvOxiXv/qod4iRiYPxEKMEB7OSCO9KuZ2p QrwpiZVVqUX58UWlOanFhxilOViUxHlVU+RThQTSE0tSs1NTC1KLYLJMHJxSDUyRC23vrcgJ 3+iwi2P+SvbvcuvXdT82+yi25UnS1ifcf9hvmv3udtVflrJJLfOShEbaAsdl/L1mkXufsczi Eaw93ut26/8ypZYksW/VUf3SjUJxlfoZNd86G+J+HHmkYPy/fnLkSkdv63kv3zBZPY//2VV2 s29nf9PVna6GVbxb9qpYX3wpkbvpRvy5fwb73sQcLt3iqC1h9ntP2M6JsbkfXs0RXRK+tMLz 07+HR9X3J7lnf3jza2PCYW73N+LlR3oM7oslvJ/StO2Vqs4isyXmMf+y1CP/BE9+7N+RH/yo 1vv9rLB/gve+s6gteRE8b/+FGb13zCM/l59lOu3W8FVT7BJ7TfeFe4u7vDcyVvYrsRRnJBpq MRcVJwIAs7F7UPgDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDIsWRmVeSWpSXmKPExsVy+t/xu7paO/ekGlx7zGXx/tREdosT1xcx Wfx8OY3R4u+kY+wWUx8+YbM48+Yuu8X/bROZLa58fc9mMXf2JEaLFV9mslvsfb2V3WJH20IW i02Pr7FaXN41h83i0NS9jBZrj9xldxDwuHztIrPH71+TGD32flvA4vG0fyu7x8Szuh47Z91l 99i0qpPN4861PWwe97uPM3lsXlLv0bdlFaPH8RvbmTw+b5IL4I3SsynKLy1JVcjILy6xVYo2 tDDSM7S00DMysdQzNDaPtTIyVdK3s0lJzcksSy3St0vQy7hyZwJjwTuuipXz3zA2MK7h7GLk 5JAQMJG49fAtWxcjF4eQwFJGib/ru1kgEjISJ6c1sELYwhJ/rnVBFX1ilPiw6SwbSIJNwFCi 620XmC0ikC3xZ+MVFpAiZoFeFokTj5YwgySEBTglNnWfZwexWQRUJf7OeAe2gVfAXmLy82NQ 2+Ql9h88ywwRF5Q4OfMJWJwZKN68dTbzBEa+WUhSs5CkFjAyrWIUSS0tzk3PLTbUK07MLS7N S9dLzs/dxAiMxm3Hfm7ewTjv1Ue9Q4xMHIyHGCU4mJVEeFfK7UwV4k1JrKxKLcqPLyrNSS0+ xGgKdN9EZinR5HxgOsgriTc0MzA1NDGzNDC1NDNWEuf1LOhIFBJITyxJzU5NLUgtgulj4uCU amASnXLFYbPTZt4nE9bbsMyZtrcvgN0kd7Vvyb3JQrbJjIEf5tvMiTb7uCqST3vudc5bk6r7 /vrkp4XxiJ2LeSJ1Q8jl9v4qNeEn76IFuo/b1H5ttn4s9yVzn/Qcbx0uZvnHvN+cl8lsvPpm 3q4/rxO3TFD95dWfw3hGV27jje6gmcdfRh+e0rlt7a9We4HnDr96tnNphf8oKLYQEZ7bdnLL XzkOyTSfuhnPdZXUOw9F9lb9iJEpbgtTmjHDz/L/LjfpjqxfpzTnrMtsq+/o3affsugzq3aU 71GPL1elOcNlTiet8tvBcbs23rH234YoIYep759dquKY+0DeXGNSd6pd5LS7Bqmn75hstXRO f6bEUpyRaKjFXFScCAChw1KETwMAAA== X-CMS-MailID: 20240202094306eucas1p2232e5a440da112a5864d7bea83ac2e25 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20240202094306eucas1p2232e5a440da112a5864d7bea83ac2e25 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20240202094306eucas1p2232e5a440da112a5864d7bea83ac2e25 References: Subject: [PATCH] ARM: multi_v7_defconfig: Enable BACKLIGHT_CLASS_DEVICE 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