diff options
| author | Ezequiel Garcia <[email protected]> | 2018-06-15 15:07:30 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2018-07-04 08:02:33 -0400 |
| commit | a4273abcd3e40f7e8fe9c5347dea1e0a6b9ccadb (patch) | |
| tree | 6518cfbc2944ef5f64bdee130dc65c5c913cc949 /tools/perf/scripts/python | |
| parent | 4e55969f2308129b0fd1aa90438553728e21ec7d (diff) | |
media: mx_emmaprp: Implement wait_prepare and wait_finish
This driver is currently specifying a video_device lock,
which means it is protecting all the ioctls (including
queue ioctls) with a single mutex.
It's therefore straightforward to implement wait_prepare
and wait_finish, by explicitly setting the vb2_queue lock.
Having these callbacks releases the queue lock while blocking,
which improves latency by allowing for example streamoff
or qbuf operations while waiting in dqbuf.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions