On Wed, Apr 24, 2019 at 08:40:30PM +0000, Li, Sun peng (Leo) wrote: > > > > On 2019-04-24 1:26 p.m., Lyude Paul wrote: > > Closer, but are we sure we want to use the MST prop path for this? Why not add > > a sysfs attribute with the corresponding DRM connector name instead since the > > connector itself will have a path property. That way we can associate aux > > devices for eDP and DP devices with their corresponding connectors as well > > I thought about that as well, but I hit a wall when trying to get the > SST connector from the aux device. Perhaps there's a simpler way that > I'm overlooking? > > It's easier for MST, since the mst_port can be obtained via container_of > dp_aux. port->connector would then give what we want. > > For SST though, each driver calls drm_aux_register() with an aux struct > that they've initialized. I'm not sure how I can reliably get the > drm_connector from that. On i915 the aux is a child of the connector, so no extra attributes/links needed. Maybe other drivers should/could follow that apporach as well? -- Ville Syrjälä Intel _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
