From b30cb96623e9ffb949627a33f33b4668b0d8af5c Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 24 Jul 2023 14:17:05 +0200 Subject: [PATCH] drm/panel: ld9040: add backlight Kconfig dependency The driver now uses the backlight interface, which breaks when that is disabled: ld.lld: error: undefined symbol: devm_backlight_device_register Enforce the necessary Kconfig dependency to avoid this. Fixes: c2268daa65fb ("drm/panel: ld9040: Register a backlight device") Signed-off-by: Arnd Bergmann Reviewed-by: Sam Ravnborg Signed-off-by: Paul Cercueil Link: https://patchwork.freedesktop.org/patch/msgid/20230724121736.1293270-1-arnd@kernel.org --- drivers/gpu/drm/panel/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 1a0fd0754692..05f9e800e448 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -300,6 +300,7 @@ config DRM_PANEL_LEADTEK_LTK500HD1829 config DRM_PANEL_SAMSUNG_LD9040 tristate "Samsung LD9040 RGB/SPI panel" depends on OF && SPI + depends on BACKLIGHT_CLASS_DEVICE select VIDEOMODE_HELPERS config DRM_PANEL_LG_LB035Q02 -- 2.25.1