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| author |   Hans Verkuil <hans.verkuil@cisco.com> | 2018-05-21 04:54:53 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-31 11:24:02 -0400 |
| commit | 803a7ab758252599ddadf5fe9326acee7340d9b6 (patch) | |
| tree | dc37d01104638e1dbc347b7020cde0e2b936dd22 /include/media | |
| parent | media: videobuf2-v4l2: refuse qbuf if queue uses requests or vv. (diff) | |
| download | linux-dev-803a7ab758252599ddadf5fe9326acee7340d9b6.tar.xz linux-dev-803a7ab758252599ddadf5fe9326acee7340d9b6.zip | |
media: v4l2-mem2mem: add vb2_m2m_request_queue
For mem2mem devices we have to make sure that v4l2_m2m_try_schedule()
is called whenever a request is queued.
We do that by creating a vb2_m2m_request_queue() helper that should
be used instead of the 'normal' vb2_request_queue() helper. The m2m
helper function will call v4l2_m2m_try_schedule() as needed.
In addition we also avoid calling v4l2_m2m_try_schedule() when preparing
or queueing a buffer for a request since that is no longer needed.
Instead this helper function will do that when the request is actually
queued.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-mem2mem.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index d655720e16a1..58c1ecf3d648 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -622,6 +622,10 @@ v4l2_m2m_dst_buf_remove_by_idx(struct v4l2_m2m_ctx *m2m_ctx, unsigned int idx) return v4l2_m2m_buf_remove_by_idx(&m2m_ctx->cap_q_ctx, idx); } +/* v4l2 request helper */ + +void vb2_m2m_request_queue(struct media_request *req); + /* v4l2 ioctl helpers */ int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv, |