[PATCH] drm/fourcc: add vivante tiled layout format modifiers

[Philipp Zabel]

On Thu, 2017-01-26 at 19:29 +0100, Wladimir J. van der Laan wrote:
> Reviewed-By: Wladimir J. van der Laan <laanwj at gmail.com>

Thank you.

> I do wonder whether we'll need the split formats in practice -
> e.g. the GC3000 on the i.MX6qp, for which I suppose this is being done because
> of tiled buffers support in the PRE, has the "single buffer" feature
> which allows rendering to a single buffer with multiple pixel pipes.
> This is what the Vivante driver uses.
> 
> But it can't hurt reserving formats for them.

I added them in case it later turns out that avoiding the resolve copy
is advantageous on GC2000 in combination with USB DisplayLink style
outputs, where the CPU could directly process the split-tiled buffers.

regards
Philipp