[PATCH] drm: pre-fill getfb2 modifier array with INVALID

[Daniel Stone]

On Thu, 11 Nov 2021 at 10:11, Simon Ser <contact at emersion.fr> wrote:
> User-space shouldn't look up the modifier array when the modifier
> flag is missing, but at the moment no docs make this clear (working
> on it). Right now the modifier array is pre-filled with zeroes, aka.
> LINEAR. Instead, pre-fill with INVALID to avoid footguns.
>
> This is a uAPI change, but OTOH any user-space which looks up the
> modifier array without checking the flag is broken already, so
> should be fine.

I don't know of any userspace which this would break.

Acked-by: Daniel Stone <daniels at collabora.com>