drm/imx: ipuv3-plane: Add more thorough checks for plane parameter limitations

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The IPU addresses multiplanar formats using a base address and relative
offsets for the secondary planes. Since those offsets must be positive
and not too large, and none of the plane parameters except the base address
may be changed while scanout is active, store the pitches and u/v offsets
and check all values against IDMAC limitations.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

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Philipp Zabel 2016-02-23 10:22:51 +01:00

parent 90195c3651

commit 67ca6b60a7

2 changed files with 95 additions and 12 deletions

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101

drivers/gpu/drm/imx/ipuv3-plane.c

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4

drivers/gpu/drm/imx/ipuv3-plane.h

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