On Mon, Oct 5, 2020 at 11:43 PM Nikhil Devshatwar <nikhil.nd@xxxxxx> wrote: > > Hi all, > > I am trying to convert the upstream tidss drm driver to new > connector model. > The connector is getting created by the tidss driver and bridges are > attached with flag DRM_BRIDGE_ATTACH_NO_CONNECTOR > Here are some questions, regarding this: > > 1) Most of the info regarding bus_format and bus flags is coming from > the bridges. Is it okay to not populate connector->display_info with > bus_format and flags? > > 2) The "drm_atomic_bridge_chain_select_bus_fmts" does the format > negotiation. So is it okay for the encoder to simply pick the bus_format > from the first bridge's state? > > 3) What is the meaning of MEDIA_BUS_FMT_FIXED? Does it mean that the > bridge does not change the format from input to output? > > 4) The bus_flags are available in bridge->timings->input_bus_flags and > also in bridge_state->input_bus_cfg.flags. Which one should be used? Whatever the answers, please make sure that they're recorded as updates to the kerneldoc comments for these functions/flags/struct members. Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
