On Mon, Dec 18, 2017 at 10:57 PM, Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > Now that we have everything in place, we can start enabling the frontend. > This is more difficult than one would assume since there can only be one > plane using the frontend per-backend. > > We therefore need to make sure that the userspace will not try to setup > multiple planes using it, since that would be impossible. In order to > prevent that, we can create an atomic_check callback that will check that > only one plane will effectively make use of the frontend in a given > configuration, and will toggle the switch in that plane state so that the > proper setup function can do their role. > > Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
