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[media] v4l: vsp1: Disconnect unused RPFs from the DRM pipeline

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Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart 2015-09-10 15:56:29 -03:00 committed by Mauro Carvalho Chehab
parent f3af9572e8
commit 3afb193991
1 changed files with 6 additions and 2 deletions
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8
drivers/media/platform/vsp1/vsp1_drm.c
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@ -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);