Hi Peter, Am Mittwoch, 16. Mai 2018, 12:14:45 CEST schrieb Peter Rosin: > Bridge drivers can now (temporarily, in a transition phase) select if > they want to provide a full owner device or keep just providing an > of_node. > > By providing a full owner device, the bridge drivers no longer need > to provide an of_node since that node is available via the owner > device. > > When all bridge drivers provide an owner device, that will become > mandatory and the .of_node member will be removed. > > There is an interaction with the rockchip lvds driver, since that > driver peeks into somewhat private parts of the bridge struct in > order to find out things about the remote bridge. When there are > now two ways to get to the remote bridge, the rockchip lvds driver > has to adapt. That said, the correct thing to do for the rockchip > lvds driver is to use some other way than DT to find things out > about the remote bridge, but that is orthogonal to this patch. > > Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> > Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > Signed-off-by: Peter Rosin <peda@xxxxxxxxxx> > diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c > index 4bd94b167d2c..557e0079c98d 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c > +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c > @@ -377,8 +377,10 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master, > } > if (lvds->panel) > remote = lvds->panel->dev->of_node; > - else > + else if (lvds->bridge->of_node) > remote = lvds->bridge->of_node; > + else > + remote = lvds->bridge->odev->of_node; > if (of_property_read_string(dev->of_node, "rockchip,output", &name)) > /* default set it as output rgb */ > lvds->output = DISPLAY_OUTPUT_RGB; for the Rockchip-part Acked-by: Heiko Stuebner <heiko@xxxxxxxxx> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel