[Intel-gfx] [PATCH] drm: Take ownership of the dmabuf->obj when exporting

Daniel Vetter daniel at ffwll.ch
Thu Dec 8 14:07:25 UTC 2016

On Thu, Dec 08, 2016 at 03:03:29PM +0200, Joonas Lahtinen wrote:
> On ke, 2016-12-07 at 21:45 +0000, Chris Wilson wrote:
> > 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 at chris-wilson.co.uk>
> Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Sorry forgot to reply here that I merged this, after some discussion with
Chris on irc to make sure the kerneldoc is updated.
Daniel Vetter
Software Engineer, Intel Corporation

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