On Thu, 2021-04-22 at 18:33 -0400, Lyude Paul wrote: > OK - talked with Ville a bit on this and did some of my own research, I > actually think that moving i2c to drm_dp_aux_init() is the right decision > for > the time being. The reasoning behind this being that as shown by my previous > work of fixing drivers that call drm_dp_aux_register() too early - it seems > like there's already been drivers that have been working just fine with > setting up the i2c device before DRM registration. > > In the future, it'd probably be better if we can split up i2c_add_adapter() > into an init and register function - but we'll have to talk with the i2c > maintainers to see if this is acceptable w/ them Actually - I think adding the ability to refcount dp aux adapters might be a better solution so I'm going to try that! > > On Thu, 2021-04-22 at 13:18 -0400, Lyude Paul wrote: > > On Tue, 2021-04-20 at 02:16 +0300, Ville Syrjälä wrote: > > > > > > The init vs. register split is intentional. Registering the thing > > > and allowing userspace access to it before the rest of the driver > > > is ready isn't particularly great. For a while now we've tried to > > > move towards an architecture where the driver is fully initialzied > > > before anything gets exposed to userspace. > > > > Yeah-thank you for pointing this out. Thierry - do you think there's an > > alternate solution we could go with in Tegra to fix the get_device() issue > > that wouldn't require us trying to expose the i2c adapter early? > > > > > > > > -- Cheers, Lyude Paul (she/her) Software Engineer at Red Hat _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
