To make the pipeline structure and operations usable without video
devices the frame end processing must be decoupled from struct
vsp1_video. Implement this by calling the video frame end function
indirectly through a function pointer in struct vsp1_pipeline.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
drivers/media/platform/vsp1/vsp1_video.c | 25 +++++++++++++++++--------
drivers/media/platform/vsp1/vsp1_video.h | 2 ++
2 files changed, 19 insertions(+), 8 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_video.c
b/drivers/media/platform/vsp1/vsp1_video.c
index c726d76bd570..c86a4065ea9c 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -617,8 +617,9 @@ vsp1_video_complete_buffer(struct vsp1_video *video)
}
static void vsp1_video_frame_end(struct vsp1_pipeline *pipe,
- struct vsp1_video *video)
+ struct vsp1_rwpf *rwpf)
{
+ struct vsp1_video *video = rwpf->video;
struct vsp1_vb2_buffer *buf;
unsigned long flags;
@@ -634,21 +635,28 @@ static void vsp1_video_frame_end(struct vsp1_pipeline
*pipe,
spin_unlock_irqrestore(&pipe->irqlock, flags);
}
+static void vsp1_video_pipeline_frame_end(struct vsp1_pipeline *pipe)
+{
+ unsigned int i;
+
+ /* Complete buffers on all video nodes. */
+ for (i = 0; i < pipe->num_inputs; ++i)
+ vsp1_video_frame_end(pipe, pipe->inputs[i]);
+
+ if (!pipe->lif)
+ vsp1_video_frame_end(pipe, pipe->output);
+}
+
void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe)
{
enum vsp1_pipeline_state state;
unsigned long flags;
- unsigned int i;
if (pipe == NULL)
return;
- /* Complete buffers on all video nodes. */
- for (i = 0; i < pipe->num_inputs; ++i)
- vsp1_video_frame_end(pipe, pipe->inputs[i]->video);
-
- if (!pipe->lif)
- vsp1_video_frame_end(pipe, pipe->output->video);
+ /* Signal frame end to the pipeline handler. */
+ pipe->frame_end(pipe);
spin_lock_irqsave(&pipe->irqlock, flags);
@@ -1223,6 +1231,7 @@ struct vsp1_video *vsp1_video_create(struct vsp1_device
*vsp1,
INIT_LIST_HEAD(&video->pipe.entities);
init_waitqueue_head(&video->pipe.wq);
video->pipe.state = VSP1_PIPELINE_STOPPED;
+ video->pipe.frame_end = vsp1_video_pipeline_frame_end;
/* Initialize the media entity... */
ret = media_entity_init(&video->video.entity, 1, &video->pad, 0);
diff --git a/drivers/media/platform/vsp1/vsp1_video.h
b/drivers/media/platform/vsp1/vsp1_video.h
index cea6d1f3f07b..d2d229ed8aa7 100644
--- a/drivers/media/platform/vsp1/vsp1_video.h
+++ b/drivers/media/platform/vsp1/vsp1_video.h
@@ -70,6 +70,8 @@ struct vsp1_pipeline {
enum vsp1_pipeline_state state;
wait_queue_head_t wq;
+ void (*frame_end)(struct vsp1_pipeline *pipe);
+
struct mutex lock;
unsigned int use_count;
unsigned int stream_count;
--
2.4.6
--
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