[Intel-gfx] [PATCH igt] igt/kms_flip: Allow very large bo to fail pageflips with E2BIG

[Joonas Lahtinen]

On Mon, 2017-12-11 at 17:22 +0000, Chris Wilson wrote:
> We tried to allow very large buffers (larger than the mappable aperture)
> to be flippable by allowing them to be bound into the unmappable region.
> Sadly, not our hw is capable of utilising the unmappable region for
> scanout (and on some older hw, there is only mappable). As such, we have
> to allow the very large bo to either succeed in being flipped, or fail
> with the expected E2BIG.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation