[media] V4L2: OMAP: VOUT: dma map and unmap v4l2 buffers in qbuf and dqbuf
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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5251dd6c
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