[PATCH v4 00/17] drm: add gem ttm helpers, rework mmap workflow.

Rob Herring robh at kernel.org
Thu Aug 8 14:39:11 UTC 2019

On Thu, Aug 8, 2019 at 7:44 AM Gerd Hoffmann <kraxel at redhat.com> wrote:
> Gerd Hoffmann (17):
>   drm/ttm: turn ttm_bo_device.vma_manager into a pointer
>   drm/ttm: add gem_ttm_bo_device_init()
>   drm/vram: switch vram helpers to the new gem_ttm_bo_device_init()
>   drm/qxl: switch qxl to the new gem_ttm_bo_device_init()
>   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 codepath
>   drm/vram: drop verify_access
>   drm/qxl: use drm_gem_object_funcs
>   drm/qxl: drop qxl_ttm_fault
>   drm/qxl: switch qxl to drm_gem_object_funcs->mmap codepath
>   drm/qxl: drop verify_access
>   drm/qxl: use DEFINE_DRM_GEM_FOPS()

Perhaps instead of changing drivers to use DEFINE_DRM_GEM_FOPS, make
that the default if .fops is NULL (and perhaps also if the driver sets
DRIVER_GEM). That would be in line with other recent rework making
various function ptrs optional.


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