On Fri, Mar 02, 2018 at 12:42:14PM +0100, Giulio Benetti wrote: > Hi, > > Il 01/03/2018 10:57, Maxime Ripard ha scritto: > > On Wed, Feb 28, 2018 at 06:53:52PM +0100, Giulio Benetti wrote: > > > static struct drm_connector_helper_funcs sun4i_lvds_con_helper_funcs = { > > > .get_modes = sun4i_lvds_get_modes, > > > + .mode_valid = sun4i_lvds_mode_valid, > > > }; > > > > This should be on the encoder, not the connector. > > I've seen it is bound to connector in rgb and to encoder in hdmi. > Is it correct rgb mode_valid under connector funcs? > Otherwise I send a patch also for that one. This would need to be fixed as well. Bridges attach to encoder, not connectors, so if you ever have a bridge connected to the RGB output (like on the A13-Olinuxino), mode_valid isn't called at the moment. Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com