Jeykumar Sankaran <jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> writes:

> Qualcomm Snapdragon chipsets uses compressed format
> to optimize BW across multiple IP's. This change adds
> needed modifier support in drm for a simple 4x4 tile
> based compressed variants of base formats.
>
> Signed-off-by: Jeykumar Sankaran <jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>

This seems like a reasonable enough description.

Reviewed-by: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>