[Mesa-dev] [Mesa-stable] [PATCH] xa: add xa_surface_from_handle2

[Emil Velikov]

On 22 July 2015 at 00:00, Rob Clark <robdclark at gmail.com> wrote:
> From: Rob Clark <robclark at freedesktop.org>
>
> Like xa_surface_from_handle(), but takes a handle type, rather than
> hard-coding 'shared' handle.  This is needed to fix bugs seen with
> xf86-video-freedreno with xrandr rotation, for example.  The root issue
> is that doing a GEM_OPEN ioctl on a bo that already has a GEM handle
> associated with the drm_file will result in two unique handles for the
> same bo.  Which causes all sorts of follow-on fail.
>
> Cc: "10.5 10.6" <mesa-stable at lists.freedesktop.org>
> Signed-off-by: Rob Clark <robclark at freedesktop.org>
> ---
> Note: it would be good to get this in stable too, since I have a patch
> for xf86-video-freedreno which will depend on this.
>
Bth, I'm not too excited about having new APIs in the stable branch,
despite them being trivial as this one.
Regardless it would be nice to get a pair of eyes looking in this direction.

The patch does exactly what it says on the tin, although I do wonder
if we should bump XA_TRACKER_VERSION_MINOR ?

Thanks
Emil