From: YueHaibing <yuehaibing@xxxxxxxxxx> [ Upstream commit f4cc743a98136df3c3763050a0e8223b52d9a960 ] If DRM_LVDS_ENCODER=y but CONFIG_DRM_KMS_HELPER=m, build fails: drivers/gpu/drm/bridge/lvds-encoder.o: In function `lvds_encoder_probe': lvds-encoder.c:(.text+0x155): undefined reference to `devm_drm_panel_bridge_add' Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Fixes: dbb58bfd9ae6 ("drm/bridge: Fix lvds-encoder since the panel_bridge rework.") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20190729071216.27488-1-yuehaibing@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 ee777469293a4..cc62603b87c59 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC config DRM_LVDS_ENCODER tristate "Transparent parallel to LVDS encoder support" depends on OF + select DRM_KMS_HELPER select DRM_PANEL_BRIDGE help Support for transparent parallel to LVDS encoders that don't require -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel