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imx-drm: ipuv3-plane: enable double buffering
authorPhilipp Zabel <p.zabel@pengutronix.de>
Wed, 8 Oct 2014 15:19:14 +0000 (17:19 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 4 Nov 2014 00:19:58 +0000 (16:19 -0800)
This allows to update the buffer base address while the DMA
channel is running. It is needed to flip the frame buffer of
an active plane.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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