On Sat, Feb 17, 2018 at 1:39 AM, Maxime Ripard
> Since we now have a way to enforce the zpos, check for the number of alpha
> planes, the only missing part is to assign our pipe automatically instead
> of hardcoding it.
> The algorithm is quite simple, but requires two iterations over the list of
> In the first one (which is the same one that we've had to check for alpha,
> the frontend usage, and so on), we order the planes by their zpos.
> We can then do a second iteration over that array by ascending zpos
> starting with the pipe 0. When and if we encounter our alpha plane, we put
> it and all the other subsequent planes in the second pipe.
> Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
Reviewed-by: Chen-Yu Tsai <w...@csie.org>
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