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

[Alex Deucher]

Series looks good to me:

Acked-by: Alex Deucher <alexander.deucher at amd.com>

On Thu, Jun 15, 2023 at 5:42 AM 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.
>
> [1] https://lore.kernel.org/dri-devel/20230302143502.500661-1-contact@emersion.fr/
>
> Thomas Zimmermann (3):
>   drm: Enable PRIME import/export for all drivers
>   drm: Clear fd/handle callbacks in struct drm_driver
>   drm/prime: Unexport helpers for fd/handle conversion
>
>  Documentation/gpu/todo.rst                    | 14 +++++
>  drivers/accel/ivpu/ivpu_drv.c                 |  2 -
>  drivers/accel/qaic/qaic_drv.c                 |  1 -
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c       |  2 -
>  drivers/gpu/drm/armada/armada_drv.c           |  2 -
>  drivers/gpu/drm/drm_ioctl.c                   |  4 +-
>  drivers/gpu/drm/drm_prime.c                   | 62 ++++++++++---------
>  drivers/gpu/drm/etnaviv/etnaviv_drv.c         |  2 -
>  drivers/gpu/drm/exynos/exynos_drm_drv.c       |  2 -
>  drivers/gpu/drm/i915/i915_driver.c            |  2 -
>  drivers/gpu/drm/lima/lima_drv.c               |  2 -
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c        |  2 -
>  drivers/gpu/drm/msm/msm_drv.c                 |  2 -
>  drivers/gpu/drm/nouveau/nouveau_drm.c         |  2 -
>  drivers/gpu/drm/omapdrm/omap_drv.c            |  2 -
>  drivers/gpu/drm/panfrost/panfrost_drv.c       |  2 -
>  drivers/gpu/drm/pl111/pl111_drv.c             |  2 -
>  drivers/gpu/drm/qxl/qxl_drv.c                 |  2 -
>  drivers/gpu/drm/radeon/radeon_drv.c           |  2 -
>  drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c |  2 -
>  drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |  2 -
>  drivers/gpu/drm/tegra/drm.c                   |  2 -
>  drivers/gpu/drm/v3d/v3d_drv.c                 |  2 -
>  drivers/gpu/drm/virtio/virtgpu_drv.c          |  2 -
>  drivers/gpu/drm/xen/xen_drm_front.c           |  2 -
>  include/drm/drm_drv.h                         |  6 ++
>  include/drm/drm_gem_dma_helper.h              | 12 ++--
>  include/drm/drm_gem_shmem_helper.h            |  6 +-
>  include/drm/drm_gem_vram_helper.h             |  4 +-
>  include/drm/drm_prime.h                       |  7 ---
>  30 files changed, 62 insertions(+), 96 deletions(-)
>
> --
> 2.41.0
>