From patchwork Thu Apr 15 13:04:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 422038 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41FA7C43461 for ; Thu, 15 Apr 2021 13:05:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C35D61132 for ; Thu, 15 Apr 2021 13:05:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233072AbhDONFo (ORCPT ); Thu, 15 Apr 2021 09:05:44 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:46134 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233058AbhDONFl (ORCPT ); Thu, 15 Apr 2021 09:05:41 -0400 Received: from deskari.lan (91-157-208-71.elisa-laajakaista.fi [91.157.208.71]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A2604BA7; Thu, 15 Apr 2021 15:05:17 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1618491918; bh=+a9z1l9zEbsj1aoDTBaqVlw+QUszzA4Zro7a3qJAyTU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ku0yhKPLYtCar6aHn5YPx4qpdXdWEhZa3hlnLCvIsH4B25dGot9wvD/Q6WPXjcVRV I66uoa5I2VeQO3Cp9tUMgPLgy+TXCnOgrO9eaeLXy9Orr+CD0948TtJjB28w4ErKtK ApeoScLqzJLWaeBpdosqmSsL3zqFlwGKxalwQOKs= From: Tomi Valkeinen To: linux-media@vger.kernel.org, sakari.ailus@linux.intel.com, Jacopo Mondi , Laurent Pinchart , niklas.soderlund+renesas@ragnatech.se Cc: Mauro Carvalho Chehab , Hans Verkuil Subject: [PATCH v5 11/24] media: entity: Skip link validation for pads to which there is no route to Date: Thu, 15 Apr 2021 16:04:37 +0300 Message-Id: <20210415130450.421168-12-tomi.valkeinen@ideasonboard.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210415130450.421168-1-tomi.valkeinen@ideasonboard.com> References: <20210415130450.421168-1-tomi.valkeinen@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Sakari Ailus Links are validated along the pipeline which is about to start streaming. Not all the pads in entities that are traversed along that pipeline are part of the pipeline, however. Skip the link validation for such pads, and while at there rename "other_pad" to "local_pad" to convey the fact the route to be checked is internal to the entity. Signed-off-by: Sakari Ailus Reviewed-by: Niklas Söderlund Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/mc/mc-entity.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 28d7fd254c77..fe6cb743c85c 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -482,12 +482,17 @@ __must_check int __media_pipeline_start(struct media_pad *pad, bitmap_fill(has_no_links, entity->num_pads); list_for_each_entry(link, &entity->links, list) { - struct media_pad *other_pad = + struct media_pad *local_pad = link->sink->entity == entity ? link->sink : link->source; + /* Ignore pads to which there is no route. */ + if (!media_entity_has_route(entity, pad->index, + local_pad->index)) + continue; + /* Mark that a pad is connected by a link. */ - bitmap_clear(has_no_links, other_pad->index, 1); + bitmap_clear(has_no_links, local_pad->index, 1); /* * Pads that either do not need to connect or @@ -496,13 +501,13 @@ __must_check int __media_pipeline_start(struct media_pad *pad, */ if (!(pad->flags & MEDIA_PAD_FL_MUST_CONNECT) || link->flags & MEDIA_LNK_FL_ENABLED) - bitmap_set(active, other_pad->index, 1); + bitmap_set(active, local_pad->index, 1); /* * Link validation will only take place for * sink ends of the link that are enabled. */ - if (link->sink != other_pad || + if (link->sink != local_pad || !(link->flags & MEDIA_LNK_FL_ENABLED)) continue;