From 3afb193991ccf80edad9b797ec67a35886a2825a Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 10 Sep 2015 15:56:29 -0300 Subject: [PATCH] [media] v4l: vsp1: Disconnect unused RPFs from the DRM pipeline Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- 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 ac81ff10c339..a918bb4ab46c 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); -- 2.20.1