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| author | Sergey Senozhatsky <[email protected]> | 2020-05-14 18:01:50 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2020-06-23 13:39:01 +0200 |
| commit | d4db5eb57cab049d378fbfb7ee842857009a8679 (patch) | |
| tree | 639621e61189c898fb5a5b3bfcbb9763e4083572 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | d5adf1b0c2a31f8244ded805578188e067baaf5e (diff) | |
media: videobuf2: add begin/end cpu_access callbacks to dma-sg
Provide begin_cpu_access() and end_cpu_access() dma_buf_ops
callbacks for cache synchronisation on exported buffers.
V4L2_FLAG_MEMORY_NON_CONSISTENT has no effect on dma-sg buffers.
dma-sg allocates memory using the page allocator directly, so
there is no memory consistency guarantee.
Signed-off-by: Sergey Senozhatsky <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions