[PATCH 3/3] drm/amdgpu: add FENCE_TO_HANDLE ioctl that returns syncobj or sync_file

[Marek Olšák]

On Wed, Sep 13, 2017 at 3:46 PM, Zhou, David(ChunMing)
<David1.Zhou at amd.com> wrote:
> For android using mesa instance, egl draw will dequeue an android buffer,
> after egl draw, the buffer will back to android bufffer queue, but need
> append a syncfile fd. If getting syncfile fd for every egl draw always needs
> several syncobj ioctls, the io overhead isn't small. But if we directly
> return syncfile when egl draw CS,  isn't it better?

You have a good point. I'd be OK with either approach, or even with
having both options in the kernel.

Marek