From patchwork Wed Dec 16 13:32:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 7861781 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 907D4BEEE1 for ; Wed, 16 Dec 2015 13:35:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9141F2017D for ; Wed, 16 Dec 2015 13:35:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94720201EF for ; Wed, 16 Dec 2015 13:35:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754564AbbLPNew (ORCPT ); Wed, 16 Dec 2015 08:34:52 -0500 Received: from nblzone-211-213.nblnetworks.fi ([83.145.211.213]:60602 "EHLO hillosipuli.retiisi.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754614AbbLPNet (ORCPT ); Wed, 16 Dec 2015 08:34:49 -0500 Received: from lanttu.localdomain (unknown [192.168.15.166]) by hillosipuli.retiisi.org.uk (Postfix) with ESMTP id 8B4E7600A5; Wed, 16 Dec 2015 15:34:46 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, mchehab@osg.samsung.com, hverkuil@xs4all.nl, javier@osg.samsung.com, Kamil Debski , Sylwester Nawrocki Subject: [PATCH v3 10/23] v4l: exynos4-is: Use the new media graph walk interface Date: Wed, 16 Dec 2015 15:32:25 +0200 Message-Id: <1450272758-29446-11-git-send-email-sakari.ailus@iki.fi> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1450272758-29446-1-git-send-email-sakari.ailus@iki.fi> References: <1450272758-29446-1-git-send-email-sakari.ailus@iki.fi> 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=ham 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 The media graph walk requires initialisation and cleanup soon. Update the users to perform the soon necessary API calls. Signed-off-by: Sakari Ailus Cc: Javier Martinez Canillas Cc: Kamil Debski Cc: Sylwester Nawrocki --- drivers/media/platform/exynos4-is/media-dev.c | 31 +++++++++++++++++---------- drivers/media/platform/exynos4-is/media-dev.h | 1 + 2 files changed, 21 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index d55b4f3..704040c 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1046,10 +1046,10 @@ static int __fimc_md_modify_pipeline(struct media_entity *entity, bool enable) } /* Locking: called with entity->graph_obj.mdev->graph_mutex mutex held. */ -static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable) +static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable, + struct media_entity_graph *graph) { struct media_entity *entity_err = entity; - struct media_entity_graph graph; int ret; /* @@ -1058,9 +1058,9 @@ static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable) * through active links. This is needed as we cannot power on/off the * subdevs in random order. */ - media_entity_graph_walk_start(&graph, entity); + media_entity_graph_walk_start(graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + while ((entity = media_entity_graph_walk_next(graph))) { if (!is_media_entity_v4l2_io(entity)) continue; @@ -1071,10 +1071,11 @@ static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable) } return 0; - err: - media_entity_graph_walk_start(&graph, entity_err); - while ((entity_err = media_entity_graph_walk_next(&graph))) { +err: + media_entity_graph_walk_start(graph, entity_err); + + while ((entity_err = media_entity_graph_walk_next(graph))) { if (!is_media_entity_v4l2_io(entity_err)) continue; @@ -1090,21 +1091,29 @@ static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable) static int fimc_md_link_notify(struct media_link *link, unsigned int flags, unsigned int notification) { + struct media_entity_graph *graph = + &container_of(link->graph_obj.mdev, struct fimc_md, + media_dev)->link_setup_graph; struct media_entity *sink = link->sink->entity; int ret = 0; /* Before link disconnection */ if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) { + ret = media_entity_graph_walk_init(graph, + link->graph_obj.mdev); + if (ret) + return ret; if (!(flags & MEDIA_LNK_FL_ENABLED)) - ret = __fimc_md_modify_pipelines(sink, false); + ret = __fimc_md_modify_pipelines(sink, false, graph); #if 0 else /* TODO: Link state change validation */ #endif /* After link activation */ - } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH && - (link->flags & MEDIA_LNK_FL_ENABLED)) { - ret = __fimc_md_modify_pipelines(sink, true); + } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH) { + if (link->flags & MEDIA_LNK_FL_ENABLED) + ret = __fimc_md_modify_pipelines(sink, true, graph); + media_entity_graph_walk_cleanup(graph); } return ret ? -EPIPE : 0; diff --git a/drivers/media/platform/exynos4-is/media-dev.h b/drivers/media/platform/exynos4-is/media-dev.h index 9a69913..e80c55d 100644 --- a/drivers/media/platform/exynos4-is/media-dev.h +++ b/drivers/media/platform/exynos4-is/media-dev.h @@ -154,6 +154,7 @@ struct fimc_md { bool user_subdev_api; spinlock_t slock; struct list_head pipelines; + struct media_entity_graph link_setup_graph; }; static inline