From: Linus Walleij <linus.walleij@xxxxxxxxxx> [ Upstream commit 7887cc89d5851cbdec49219e9614beec776af150 ] A too high brightness by default (default is max) makes the screen go blank. Set this to 15 as in the Vendor tree. Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: Stephan Gerhold <stephan@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20201214223413.253893-1-linus.walleij@xxxxxxxxxx' Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- arch/arm/boot/dts/ste-ux500-samsung-golden.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts index a1093cb37dc7a..aed1f2d5f2467 100644 --- a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts +++ b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts @@ -326,6 +326,7 @@ panel@0 { compatible = "samsung,s6e63m0"; reg = <0>; + max-brightness = <15>; vdd3-supply = <&panel_reg_3v0>; vci-supply = <&panel_reg_1v8>; reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; -- 2.27.0
