The dma engine should be stopped first.
The driver waits for an interrupt to stop the stream in a known state
after a frame.
If rkisp1_cap_stream_disable() is called after stopping the rest of the
pipeline, then most likely the interrupt won't arrive, we'll get a
timeout and debugfs variables mp_stop_timeout or sp_stop_timeout will
be incremented.
Fixes:
37db540bb9d1f ("media: staging: rkisp1: cap: refactor enable/disable stream to allow multistreaming")
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
{
struct rkisp1_device *rkisp1 = cap->rkisp1;
+ rkisp1_cap_stream_disable(cap);
+
/*
* If the other capture is streaming, isp and sensor nodes shouldn't
* be disabled, skip them.
v4l2_subdev_call(&rkisp1->resizer_devs[cap->id].sd, video, s_stream,
false);
-
- rkisp1_cap_stream_disable(cap);
}
/*