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authorSteve Longerbeam <slongerbeam@gmail.com>2014-06-26 01:05:40 (GMT)
committerPhilipp Zabel <p.zabel@pengutronix.de>2014-09-02 12:55:48 (GMT)
commitaa52f57894b93dcfdd615b35a7579e161f1e7a38 (patch)
tree1aa38dc7ff5ed6250c2c69291826664c1563e5f5 /net/mpls
parenta4cd8f229ff71db0c95c0d96381d4fb9239fdb19 (diff)
downloadlinux-aa52f57894b93dcfdd615b35a7579e161f1e7a38.tar.xz
gpu: ipu-v3: Add ipu_idmac_buffer_is_ready()
Add ipu_idmac_buffer_is_ready(), returns true if the given buffer in the given channel is set ready (owned by IPU), or false if not ready (owned by CPU core). Support has been added for third buffer, there is no support yet for triple-buffering in idmac channels, but this function checks buffer-ready for third buffer in case this support is added later. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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