diff mbox series

[v11,11/36] media: entity: Skip link validation for pads to which there is no route

Message ID 20220301161156.1119557-12-tomi.valkeinen@ideasonboard.com (mailing list archive)
State Superseded
Headers
Series v4l: routing and streams support |

Commit Message

Tomi Valkeinen March 1, 2022, 4:11 p.m. UTC 
  From: Sakari Ailus <sakari.ailus@linux.intel.com>

Links are validated along the pipeline which is about to start streaming.
Not all the pads in entities that are traversed along that pipeline are
part of the pipeline, however. Skip the link validation for such pads.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/media/mc/mc-entity.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c
index 323e44d16f7b..6a4e1bbfd961 100644
--- a/drivers/media/mc/mc-entity.c
+++ b/drivers/media/mc/mc-entity.c
@@ -484,6 +484,11 @@  __must_check int __media_pipeline_start(struct media_pad *pad,
 				link->sink->entity == entity ?
 				link->sink : link->source;
 
+			/* Ignore pads to which there is no route. */
+			if (!media_entity_has_route(entity, pad->index,
+						    other_pad->index))
+				continue;
+
 			/* Mark that a pad is connected by a link. */
 			bitmap_clear(has_no_links, other_pad->index, 1);