drm/rockchip: add CONFIG_OF dependency for lvds

Build-testing on randconfig kernels revealed a dependency in the
newly added lvds sub-driver:

drivers/gpu/drm/rockchip/rockchip_lvds.c: In function 'rockchip_lvds_bind':
drivers/gpu/drm/rockchip/rockchip_lvds.c:380:24: error: 'struct drm_bridge' has no member named 'of_node'
   remote = lvds->bridge->of_node;

We could work around that in the code, adding a Kconfig dependency
seems easier.

Fixes: 34cc0aa254 ("drm/rockchip: Add support for Rockchip Soc LVDS")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171106135852.1355487-1-arnd@arndb.de
This commit is contained in:
Arnd Bergmann 2017-11-06 14:58:43 +01:00 committed by Sean Paul
parent e073db5c5d
commit 30cfcf0166

View file

@ -60,7 +60,7 @@ config ROCKCHIP_INNO_HDMI
config ROCKCHIP_LVDS
bool "Rockchip LVDS support"
depends on DRM_ROCKCHIP
depends on PINCTRL
depends on PINCTRL && OF
help
Choose this option to enable support for Rockchip LVDS controllers.
Rockchip rk3288 SoC has LVDS TX Controller can be used, and it