[media] V4L2: OMAP: VOUT: dma map and unmap v4l2 buffers in qbuf and dqbuf

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Add support to map the buffer using dma_map_single during qbuf which inturn
calls cache flush and unmap the same during dqbuf. This is done to prevent
the artifacts seen because of cache-coherency issues on OMAP4

Signed-off-by: Amber Jain <amber@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Amber Jain 2011-07-07 06:03:25 -03:00 • committed by Mauro Carvalho Chehab

parent 5251dd6c07

commit 72915e851d

1 changed files with 27 additions and 2 deletions

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29

drivers/media/video/omap/omap_vout.c

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