Hello, On Fri, Apr 17, 2020 at 02:44:22PM +0200, Maxime Ripard wrote: > On Fri, Apr 17, 2020 at 02:18:11PM +0200, H. Nikolaus Schaller wrote: > > Hi Maxime, > > I have started to test v5.7-rc1 and can't fully boot the GTA04 > > device any more. > > > > What I see in the log is: > > > > [ 28.567840] [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bridge driver to make connector optional! > > [ 28.567871] omapdrm omapdrm.0: unable to attach bridge /ocp@68000000/dss@48050000/encoder@48050c00 > > [ 28.786529] omapdrm omapdrm.0: omap_modeset_init failed: ret=-22 > > [ 28.841552] omapdrm: probe of omapdrm.0 failed with error -22 > > > > This device uses the ti,opa362 chip which did have a dedicated > > omapdss driver before (which is removed now) and which seems to > > be supported by the simple_bridge now. > > > > The opa362 is sitting in the video out path from > > > > omapdrm -> venc -> opa362 -> video-out-connector. > > > > What does this error mean? How can it be fixed? > > -22 is usually EINVAL, which can be pretty much anything. A good thing to do > would be to bisect to see which actual commit broke it, but if I was to bet on > something I guess it would be > > https://lore.kernel.org/dri-devel/20200226112514.12455-1-laurent.pinchart@xxxxxxxxxxxxxxxx/ Would "[PATCH 0/2] drm: bridge: simple-bridge: Enable usage with DRM bridge connector helper" solve it ? -- Regards, Laurent Pinchart
