AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/gpu/drm/vgem
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Chris Wilson 72a93e8dd5 drm: Take ownership of the dmabuf->obj when exporting 
Currently the reference for the dmabuf->obj is incremented for the
dmabuf in drm_gem_prime_handle_to_fd() (at the high level userspace
interface), but is released in drm_gem_dmabuf_release() (the lowlevel
handler). Improve the symmetry of the dmabuf->obj ownership by acquiring
the reference in drm_gem_dmabuf_export(). This makes it easier to use
the prime functions directly.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Update kerneldoc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161207214527.22533-1-chris@chris-wilson.co.uk
2016-12-08 10:29:22 +01:00
..
Makefile drm/vgem: Attach sw fences to exported vGEM dma-buf (ioctl) 2016-07-18 08:54:55 +02:00
vgem_drv.c drm: Don't swallow error codes in drm_dev_alloc() 2016-09-22 04:03:48 -07:00
vgem_drv.h drm/vgem: Attach sw fences to exported vGEM dma-buf (ioctl) 2016-07-18 08:54:55 +02:00
vgem_fence.c drm: Take ownership of the dmabuf->obj when exporting 2016-12-08 10:29:22 +01:00