[RESEND PATCH 0/3] drm/{exynos,xen}: Implement gem_prime_mmap with drm_gem_prime_mmap()

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(Resending the patchset from [1]. Most drivers have already been updated and
only two drivers are left.)

Replace all remaining implementations of struct drm_driver.gem_prime_mmap
with use drm_gem_prime_mmap(). For each affected driver, put the mmap code
into struct drm_gem_object_funcs.mmap. With the latter change in place,
create struct file_operations via DEFINE_DRM_GEM_FOPS().

As next steps, drivers can be converted to use drm_gem_prime_mmap() and
drm_gem_mmap() (e.g., Tegra). The default mmap code in drm_gem_prime_mmap()
can be pushed into affected drivers or a helper function. The gem_prime_mmap
hook can probably be removed at some point.

[1] https://lore.kernel.org/dri-devel/20210609112012.10019-1-tzimmermann@xxxxxxx/

Thomas Zimmermann (3):
  drm/exynox: Implement mmap as GEM object function
  drm/xen: Implement mmap as GEM object function
  drm: Update documentation and TODO of gem_prime_mmap hook

 Documentation/gpu/todo.rst                |  11 ---
 drivers/gpu/drm/exynos/exynos_drm_drv.c   |  13 +--
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c |  20 +---
 drivers/gpu/drm/exynos/exynos_drm_gem.c   |  43 ++-------
 drivers/gpu/drm/exynos/exynos_drm_gem.h   |   5 -
 drivers/gpu/drm/xen/xen_drm_front.c       |  16 +---
 drivers/gpu/drm/xen/xen_drm_front_gem.c   | 108 +++++++++-------------
 drivers/gpu/drm/xen/xen_drm_front_gem.h   |   7 --
 include/drm/drm_drv.h                     |  11 ++-
 9 files changed, 64 insertions(+), 170 deletions(-)


base-commit: 215295e7b0a3deb2015c6d6b343b319e4f6d9a1d
prerequisite-patch-id: c2b2f08f0eccc9f5df0c0da49fa1d36267deb11d
prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24
--
2.33.1




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