[media] omap3isp: Mark next captured frame as faulty when an SBL overflow occurs

Instead of trying to propagate errors down the pipeline manually (and
failing to do so properly in all cases), flag SBL errors in the pipeline
to which the entity that triggered the error belongs, and use pipeline
error flags to mark buffers as faulty when completing them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/media/video/omap3isp/ispvideo.h b/drivers/media/video/omap3isp/ispvideo.h
index 08cbfa144e6e..d91bdb919be0 100644
--- a/drivers/media/video/omap3isp/ispvideo.h
+++ b/drivers/media/video/omap3isp/ispvideo.h
@@ -85,6 +85,10 @@ enum isp_pipeline_state {
 	ISP_PIPELINE_STREAM = 64,
 };
 
+/*
+ * struct isp_pipeline - An ISP hardware pipeline
+ * @error: A hardware error occurred during capture
+ */
 struct isp_pipeline {
 	struct media_pipeline pipe;
 	spinlock_t lock;		/* Pipeline state and queue flags */
@@ -96,6 +100,7 @@ struct isp_pipeline {
 	unsigned int max_rate;
 	atomic_t frame_number;
 	bool do_propagation; /* of frame number */
+	bool error;
 	struct v4l2_fract max_timeperframe;
 };
 
@@ -194,8 +199,7 @@ void omap3isp_video_cleanup(struct isp_video *video);
 int omap3isp_video_register(struct isp_video *video,
 			    struct v4l2_device *vdev);
 void omap3isp_video_unregister(struct isp_video *video);
-struct isp_buffer *omap3isp_video_buffer_next(struct isp_video *video,
-					      unsigned int error);
+struct isp_buffer *omap3isp_video_buffer_next(struct isp_video *video);
 void omap3isp_video_resume(struct isp_video *video, int continuous);
 struct media_pad *omap3isp_video_remote_pad(struct isp_video *video);