panel-edp calls into drm-kms-helper module (by calling drm_panel_dp_aux_backlight), so it should depend on respective module. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- 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 434c2861bb40..b0d637669ee6 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -104,6 +104,7 @@ config DRM_PANEL_EDP depends on OF depends on BACKLIGHT_CLASS_DEVICE depends on PM + depends on DRM_KMS_HELPER select VIDEOMODE_HELPERS select DRM_DP_AUX_BUS help -- 2.34.1