[media] vb2: Move buffer cache synchronisation to prepare from queue

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The buffer cache should be synchronised in buffer preparation, not when
the buffer is queued to the device. Fix this.

Mmap buffers do not need cache synchronisation since they are always
coherent.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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Sakari Ailus 2017-05-31 11:17:26 -03:00 • committed by Mauro Carvalho Chehab

parent 6aca5b8fb8

commit a136f59c0a

1 changed files with 12 additions and 8 deletions

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drivers/media/v4l2-core/videobuf2-core.c

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