Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
 drivers/media/platform/vsp1/vsp1_drm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/vsp1/vsp1_drm.c 
b/drivers/media/platform/vsp1/vsp1_drm.c
index 2969d570f462..5cef619b708d 100644
--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c
@@ -38,13 +38,17 @@ static int vsp1_drm_pipeline_run(struct vsp1_pipeline *pipe)
                struct vsp1_entity *entity;
 
                list_for_each_entry(entity, &pipe->entities, list_pipe) {
-                       /* Skip unused RPFs. */
+                       /* Disconnect unused RPFs from the pipeline. */
                        if (entity->type == VSP1_ENTITY_RPF) {
                                struct vsp1_rwpf *rpf =
                                        to_rwpf(&entity->subdev);
 
-                               if (!pipe->inputs[rpf->entity.index])
+                               if (!pipe->inputs[rpf->entity.index]) {
+                                       vsp1_write(entity->vsp1,
+                                                  entity->route->reg,
+                                                  VI6_DPR_NODE_UNUSED);
                                        continue;
+                               }
                        }
 
                        vsp1_entity_route_setup(entity);
-- 
2.4.6

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