On Wed, Apr 27, 2022 at 2:34 AM Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx> wrote: > > Hi Bjorn, > > On Tue 26 Apr 22, 14:10, Bjorn Andersson wrote: > > On Tue 26 Apr 06:50 PDT 2022, Paul Kocialkowski wrote: [..] > > > Bjorn, what do you think? > > > > > > > I'm okay with the idea that it's up the driver to check that the output > > port references an usb-c-connector - either before the call or upon > > drm_of_find_panel_or_bridge() returning an error. > > Actually I'm starting to think might be wrong on this one: there's a > display-connector bridge driver that should register a bridge, so > drm_of_find_panel_or_bridge should work. Did you have that driver enabled? > I don't have this driver enabled, but that seems like it would solve the problem when the remote node is a dp-connector. Unfortunately in my particular case, I have a usb-c-connector. So I don't see that I would be able to reuse this straight off. But I assume that this is trying to say that the USB Type-C code is supposed to provide a bridge for each of the connectors exposed by my USB Type-C controller? I've been building on top of drm_connector_oob_hotplug_event() to achieve this (with the link in the other direction)... Regards, Bjorn
