From: Arnd Bergmann <arnd@kernel.org>
To: "Neil Armstrong" <neil.armstrong@linaro.org>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Guido Günther" <agx@sigxcpu.org>,
"Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
Jessica Zhang <jesszhan0024@gmail.com>,
Svyatoslav Ryhel <clamor95@gmail.com>,
David Heidelberg <david@ixit.cz>,
Linus Walleij <linus.walleij@linaro.org>,
Kaustabh Chakraborty <kauschluss@disroot.org>,
Maxim Schwalm <maxim.schwalm@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Colin Ian King <colin.i.king@gmail.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/panel: visionox-rm69299: add backlight dependency
Date: Thu, 4 Dec 2025 10:47:26 +0100 [thread overview]
Message-ID: <20251204094734.1031114-1-arnd@kernel.org> (raw)
From: Arnd Bergmann <arnd@arndb.de>
The recently added backlight support breaks when CONFIG_BACKLIGHT_CLASS_DEVICE
is turned off:
arm-linux-gnueabi-ld: drivers/gpu/drm/panel/panel-visionox-rm69299.o: in function `visionox_rm69299_probe':
panel-visionox-rm69299.c:(.text.visionox_rm69299_probe+0x92): undefined reference to `devm_backlight_device_register'
arm-linux-gnueabi-ld: (devm_backlight_device_register): Unknown destination type (ARM/Thumb) in drivers/gpu/drm/panel/panel-visionox-rm69299.o
Add the appropriate Kconfig dependency.
Fixes: 7911d8cab554 ("drm/panel: visionox-rm69299: Add backlight support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
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 76f6af819037..2923148dcf07 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -1163,6 +1163,7 @@ config DRM_PANEL_VISIONOX_R66451
config DRM_PANEL_VISIONOX_RM69299
tristate "Visionox RM69299"
+ depends on BACKLIGHT_CLASS_DEVICE
depends on OF
depends on DRM_MIPI_DSI
help
--
2.39.5
next reply other threads:[~2025-12-04 9:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-04 9:47 Arnd Bergmann [this message]
2025-12-04 10:23 ` [PATCH] drm/panel: visionox-rm69299: add backlight dependency Guido Günther
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