drm/bridge: fix LONTIUM_LT8912B dependencies

LONTIUM_LT8912B uses "drm_display_mode_to_videomode" from
DRM framework that needs VIDEOMODE_HELPERS to be enabled.

Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Reported-by: Michal Suchánek <msuchanek@suse.de>
Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210504220207.4004511-1-adrien.grassein@gmail.com

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 0f4cfbb..d25e900 100644 (file)
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -68,6 +68,7 @@ config DRM_LONTIUM_LT8912B
        select DRM_KMS_HELPER
        select DRM_MIPI_DSI
        select REGMAP_I2C
+       select VIDEOMODE_HELPERS
        help
          Driver for Lontium LT8912B DSI to HDMI bridge
          chip driver.