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(parent: fac8033) | patch
gpu: ipu-cpmem: add WARN_ON_ONCE() for unaligned dma buffers
authorSteve Longerbeam <slongerbeam@gmail.com>
Tue, 18 Sep 2018 09:34:07 +0000 (11:34 +0200)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Mon, 5 Nov 2018 13:40:06 +0000 (14:40 +0100)
commit22ec08081956084687e0824ffd0ff4d768584143
tree964b4e2e3c2d86f939f0556f0b84ceb4cf4b07f0tree | snapshot
parentfac8033fe3abbfd9b4404bf803e00a370277470acommit | diff
gpu: ipu-cpmem: add WARN_ON_ONCE() for unaligned dma buffers

Add a WARN_ON_ONCE() if either the Y/packed buffer, or the U/V offsets,
are not aligned on 8-byte boundaries. This will catch alignment
bugs in DRM, V4L2.

Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/gpu/ipu-v3/ipu-cpmem.c diff | blob | history