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[0/8] drm: rework mmap() workflow

Message ID 20190913122908.784-1-kraxel@redhat.com (mailing list archive)
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Series drm: rework mmap() workflow | expand

Message

Gerd Hoffmann Sept. 13, 2019, 12:29 p.m. UTC 
Add mmap callback to drm_object

Gerd Hoffmann (8):
  drm: add mmap() to drm_gem_object_funcs
  drm/shmem: switch shmem helper to &drm_gem_object_funcs.mmap
  drm/shmem: drop DEFINE_DRM_GEM_SHMEM_FOPS
  drm/ttm: factor out ttm_bo_mmap_vma_setup
  drm/ttm: add drm_gem_ttm_mmap()
  drm/vram: switch vram helper to &drm_gem_object_funcs.mmap()
  drm/vram: drop verify_access
  drm/vram: drop DRM_VRAM_MM_FILE_OPERATIONS

 include/drm/drm_gem.h                         | 14 ++++
 include/drm/drm_gem_shmem_helper.h            | 30 +------
 include/drm/drm_gem_ttm_helper.h              |  2 +
 include/drm/drm_gem_vram_helper.h             | 25 ------
 include/drm/drm_vram_mm_helper.h              | 82 +++++++++++++++++++
 include/drm/ttm/ttm_bo_api.h                  |  8 ++
 drivers/gpu/drm/ast/ast_drv.c                 |  5 +-
 drivers/gpu/drm/bochs/bochs_drv.c             |  5 +-
 drivers/gpu/drm/cirrus/cirrus.c               |  2 +-
 drivers/gpu/drm/drm_gem.c                     | 27 ++++--
 drivers/gpu/drm/drm_gem_shmem_helper.c        | 26 ++----
 drivers/gpu/drm/drm_gem_ttm_helper.c          | 19 +++++
 drivers/gpu/drm/drm_gem_vram_helper.c         | 56 +------------
 drivers/gpu/drm/drm_prime.c                   |  9 ++
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c   |  5 +-
 drivers/gpu/drm/mgag200/mgag200_drv.c         |  5 +-
 drivers/gpu/drm/panfrost/panfrost_drv.c       |  2 +-
 drivers/gpu/drm/panfrost/panfrost_gem.c       |  2 +-
 drivers/gpu/drm/tiny/gm12u320.c               |  2 +-
 drivers/gpu/drm/ttm/ttm_bo_vm.c               | 47 ++++++-----
 drivers/gpu/drm/v3d/v3d_bo.c                  |  2 +-
 drivers/gpu/drm/v3d/v3d_drv.c                 |  2 +-
 drivers/gpu/drm/vboxvideo/vbox_drv.c          |  5 +-
 drivers/gpu/drm/virtio/virtgpu_drv.c          |  2 +-
 drivers/gpu/drm/virtio/virtgpu_object.c       |  2 +-
 25 files changed, 200 insertions(+), 186 deletions(-)
 create mode 100644 include/drm/drm_vram_mm_helper.h

Comments

Gerd Hoffmann Sept. 13, 2019, 12:37 p.m. UTC | #1 
On Fri, Sep 13, 2019 at 02:29:00PM +0200, Gerd Hoffmann wrote:
> Add mmap callback to drm_object

Oops, hit sent to early.  This should have been this:

Add mmap callback to struct drm_gem_object_funcs, which is supposed to
handle the vma setup.  It will be used by both normal fops->mmap (via
drm_gem_mmap_obj()) and prime mmap (via drm_gem_prime_mmap()).

For starters the shmem and vram helpers are switched over to the new
workflow, to show things in action for review.

cheers,
  Gerd