Hi Laurent, > Am 17.04.2020 um 14:58 schrieb Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>: > > 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 ? Yes, seems to magically solve the boot issue! I'll confirm later if the opa362 is still (or again) working. BR and thanks, Nikolaus Schaller
