[Mesa-dev] [PATCH 2/3] panfrost: Free imported BOs

[Alyssa Rosenzweig]

> Seems like a file is missing - git add pan_screen.c perhaps? Neither
> the function pointer nor the imported/imported_size are set anywhere.

This is defined in the out-of-tree overlay with working with the vendor
kernel. When the DRM driver gains support for these features (Rob and
Tomeu are making good progress here), it will be added in tree in
pan_drm.c, which is currently just a stub for future work.