media: videobuf2: add V4L2_MEMORY_FLAG_NON_COHERENT flag

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By setting or clearing the V4L2_MEMORY_FLAG_NON_COHERENT flag
user-space should be able to hint vb2 that either non-coherent
(if supported) or coherent memory should be used for the buffer
allocation.

Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Sergey Senozhatsky 2021-09-09 13:24:27 +02:00 • committed by Mauro Carvalho Chehab

parent cde513fd9b

commit 965c1e0bfe

3 changed files with 43 additions and 4 deletions

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include/uapi/linux/videodev2.h

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