From patchwork Sun Sep 13 20:57:07 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 7170521 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EAA1DBEEC1 for ; Sun, 13 Sep 2015 20:57:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2B1EC20662 for ; Sun, 13 Sep 2015 20:57:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5AEAC20661 for ; Sun, 13 Sep 2015 20:57:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755532AbbIMU5c (ORCPT ); Sun, 13 Sep 2015 16:57:32 -0400 Received: from galahad.ideasonboard.com ([185.26.127.97]:52349 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755522AbbIMU5b (ORCPT ); Sun, 13 Sep 2015 16:57:31 -0400 Received: from avalon.pp.htv.fi (85-23-193-79.bb.dnainternet.fi [85.23.193.79]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 0E7A020B63; Sun, 13 Sep 2015 22:55:06 +0200 (CEST) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-sh@vger.kernel.org Subject: [PATCH 29/32] v4l: vsp1: Disconnect unused RPFs from the DRM pipeline Date: Sun, 13 Sep 2015 23:57:07 +0300 Message-Id: <1442177830-24536-30-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.4.6 In-Reply-To: <1442177830-24536-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1442177830-24536-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Laurent Pinchart --- 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);