imx-drm: ipu-dmfc: wait for FIFOs to run empty before disabling

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Disabling the DMFC module while there is still data in the FIFOs could
cause the "new frame before end of frame" error state when the DMFC is
enabled again.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Philipp Zabel 2014-04-14 23:53:18 +02:00 • committed by Russell King

parent 1707550468

commit 47348661c4

1 changed files with 23 additions and 2 deletions

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drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c

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