Messages in this thread Patch in this message | | | From | Nicolas Dufresne <> | Subject | [PATCH v4 02/24] media: v4l2-mem2mem: Trace on implicit un-hold | Date | Tue, 26 Apr 2022 08:57:28 -0400 |
| |
If the timestamp of the src buffer differs from the timestamp of a held dst buffer, the held buffer is implicitly removed and marked as done. Add a trace to help debugging if someone hits that case.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Sebastian Fricke <sebastian.fricke@collabora.com> Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> --- drivers/media/v4l2-core/v4l2-mem2mem.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 675e22895ebe..d1d29d6ab024 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -336,6 +336,7 @@ static void __v4l2_m2m_try_queue(struct v4l2_m2m_dev *m2m_dev, if (src && dst && dst->is_held && dst->vb2_buf.copied_timestamp && dst->vb2_buf.timestamp != src->vb2_buf.timestamp) { + dprintk("Timestamp mismatch, returning held capture buffer\n"); dst->is_held = false; v4l2_m2m_dst_buf_remove(m2m_ctx); v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE); -- 2.34.1
| |