[PATCH 0/3] drm: Allow PRIME 'self-import' for all drivers

[Simon Ser]

On Thursday, June 15th, 2023 at 11:31, Thomas Zimmermann <tzimmermann at suse.de> wrote:

> Set drm_gem_prime_handle_to_fd() and drm_gem_prime_fd_to_handle()
> for all DRM drivers. Even drivers that do not support PRIME import
> or export of dma-bufs can now import their own buffer objects. This
> is required by some userspace, such as wlroots-based compositors, to
> share buffers among processes.
> 
> The only driver that does not use the drm_gem_prime_*() helpers is
> vmwgfx. Once it has been converted, the callbacks in struct drm_driver
> can be removed.
> 
> Simon Ser implemented the feature for drivers based on GEM VRAM helpers
> in [1]. This patchset generalizes the code for all drivers that do not
> otherwise support PRIME. Tested by running sway with gma500 hardware.

Very nice! Thanks a lot for doing this!

Just one minor comment about docs. I think there are also some remaining
references to drm_gem_prime_handle_to_fd() and drm_gem_prime_fd_to_handle()
in the drm_prime.c overview. These become stale since this series unexports
these functions.

With that fixed:

Reviewed-by: Simon Ser <contact at emersion.fr>