video: rockchip: vcodec: add buffer recycle mechanism in vpu
authorJung Zhao <jung.zhao@rock-chips.com>
Mon, 19 Dec 2016 07:11:39 +0000 (15:11 +0800)
committerHuang, Tao <huangtao@rock-chips.com>
Tue, 20 Dec 2016 13:01:22 +0000 (21:01 +0800)
when info change, vpu driver doesn't know when to release
buffers. with this mechanism, vpu driver will auto release
when buffer nums bigger than BUFFER_LIST_MAX_NUMS.

Change-Id: Id4fb91257d260bfd2e18388731941c4f0cc191b0
Signed-off-by: Jung Zhao <jung.zhao@rock-chips.com>

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