[RFC][PATCH 2/2] drm_hwcomposer: Fall back to client compositon if the gl precompostior fails

[John Stultz]

On Mon, Apr 23, 2018 at 5:06 PM, John Stultz <john.stultz at linaro.org> wrote:
> If the gl precompositor isn't being used, we cannot accept
> every layer as a device composited layer.
>
> Thus this patch adds some extra logic in the validate function
> to try to map layers to available device planes, falling back
> to client side compositing if we run-out of planes.
>
> Credit to Rob Herring, who's work this single plane patch was
> originally based on.
>
> Feedback or alternative ideas would be greatly appreciated!
>
> Cc: Marissa Wall <marissaw at google.com>
> Cc: Sean Paul <seanpaul at google.com>
> Cc: Dmitry Shmidt <dimitrysh at google.com>
> Cc: Robert Foss <robert.foss at collabora.com>
> Cc: Matt Szczesiak <matt.szczesiak at arm.com>
> Cc: Liviu Dudau <Liviu.Dudau at arm.com>
> Cc: David Hanna <david.hanna11 at gmail.com>
> Cc: Rob Herring <rob.herring at linaro.org>
> Cc: Alexandru-Cosmin Gheorghe <Alexandru-Cosmin.Gheorghe at arm.com>
> Cc: Alistair Strachan <astrachan at google.com>
> Signed-off-by: John Stultz <john.stultz at linaro.org>
> Signed-off-by: John Stultz <john.stultz at linaro.org>

A patch so nice, I signed it off twice! :P

Sorry, looks like I yanked and pasted one too many lines from the cc list.

-john