From 94867bdff1b862c19eb678d64371a2c636d83222 Mon Sep 17 00:00:00 2001
From: Tao Huang <huangtao@rock-chips.com>
Date: Tue, 8 Nov 2022 20:02:46 +0800
Subject: [PATCH] drm/bridge: sii902x: select VIDEOMODE_HELPERS

aarch64-none-linux-gnu-ld: drivers/gpu/drm/bridge/sii902x.o: in function `sii902x_set_embedded_sync':
drivers/gpu/drm/bridge/sii902x.c:473: undefined reference to `drm_display_mode_to_videomode'

Fixes: a14c198318ac ("drm/bridge: sii902x: add YUV422 input support")
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I770ae0f4cf3d50a90b881eb3fe074ce57d2db3ac
---
 drivers/gpu/drm/bridge/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 2a6ce8e78eb1..736dfc12e321 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -221,6 +221,7 @@ config DRM_SII902X
 	select REGMAP_I2C
 	select I2C_MUX
 	select SND_SOC_HDMI_CODEC if (SND_SOC && !ROCKCHIP_MINI_KERNEL)
+	select VIDEOMODE_HELPERS
 	help
 	  Silicon Image sii902x bridge chip driver.