From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D00FC433FE for ; Sat, 27 Nov 2021 16:44:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237131AbhK0Qrg (ORCPT ); Sat, 27 Nov 2021 11:47:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233676AbhK0Qpc (ORCPT ); Sat, 27 Nov 2021 11:45:32 -0500 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40610C061756 for ; Sat, 27 Nov 2021 08:42:16 -0800 (PST) Received: by mail-wr1-x433.google.com with SMTP id t9so8917123wrx.7 for ; Sat, 27 Nov 2021 08:42:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ragnatech-se.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=R3gkSM1pd5VakS31lqAU7GttEgDzPEtgx9VPbpSRfs4=; b=z/zRZQH4M05YWZ4wApL6+tp31PtKtv/WLoCF16aEnEgtfaHHYzq9WjG+ZMRQ8qsF5G lIqcxnuc7a5l5MXBGdartx2LgQarLwYWsilHqp3Ur7fvjUAYDXBJl1I2J2wjm0R55TX+ Znnta+U6bSq2PkpQapdo6TW+suXQGtsdSF6TiVds6eine2PNJZLEgFvpSVGvmWvaG0KI zb3II74B96eikXPg+OGe/L4kHM2lgY61pUVZX2OxnbM4ETNV2Trt/dtG1qaJOjPMwGM0 nKyrRx9fDlO+BSeZrk6UR8X9rF87QHWPcasTE3Fl5kG8Nt9hqoo5zCkN2kRrnnhcmmSI +i2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=R3gkSM1pd5VakS31lqAU7GttEgDzPEtgx9VPbpSRfs4=; b=cF/8S7xitiMxwMryuhtIUimCKyYx+Y0LmMSslg4UsjKVa6bmKVsYyWLPW5IrflBgnb xhw+9SI5oqTgZkM/L9SRDKR7yCyz4+uN1VSxZ+HAPfpbxCCIhc6WhzAHj4mVt2WL1uw4 KcrdrImGQcCzc0ZcsD8gHiWvIDsdaYNN3lOtama6QwnBb52W+nSChOkQQ1ONdrh02qiN BOmRj5FcIwFSMvKR3fuZI0ED3kJhteN8T7s0X+3ZYFlm5GxHjTh+2xn+M4RBxYBnrJGd d4Bteb/ooS8TOpQG4JIqONJcuBq+QM5Nk+rFICfuKY7s9oWMA8l1OJVktnvNP2s7vWF7 gWWA== X-Gm-Message-State: AOAM531hGDPC2QvuB+6a9JeaZshe7ltM6JzY2jhhTx+q2lF7SQqJkr9m RstCGJnQsOyiGOckEf37qoxzYw== X-Google-Smtp-Source: ABdhPJxaNqjUSV9aUPHbIMoYC506awgl56soNYUIMbuS2YqlBVofCibbAvDc+rKAJPbcxLDjLcRx6Q== X-Received: by 2002:a5d:648f:: with SMTP id o15mr21037223wri.381.1638031334784; Sat, 27 Nov 2021 08:42:14 -0800 (PST) Received: from bismarck.berto.se (p54ac5892.dip0.t-ipconnect.de. [84.172.88.146]) by smtp.googlemail.com with ESMTPSA id u13sm2900104wmq.14.2021.11.27.08.42.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Nov 2021 08:42:14 -0800 (PST) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: Hans Verkuil , Jacopo Mondi , Laurent Pinchart , linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH v2 2/3] media: rcar-vin: Breakout media link creation Date: Sat, 27 Nov 2021 17:41:34 +0100 Message-Id: <20211127164135.2617686-3-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211127164135.2617686-1-niklas.soderlund+renesas@ragnatech.se> References: <20211127164135.2617686-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In preparation of creating more links to allow for full Virtual Channel routing within the CSI-2 block break out the link creation logic to a helper function as the logic will grow in future work. There is no functional change. Signed-off-by: Niklas Söderlund Tested-by: Jacopo Mondi Reviewed-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- * Changers since v1 - Rename rvin_csi2_add_route() to rvin_csi2_create_link(). - Restored comment about skipping links aready created. --- drivers/media/platform/rcar-vin/rcar-core.c | 39 ++++++++++----------- 1 file changed, 19 insertions(+), 20 deletions(-) diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index 4c3c092a7cb9476b..278e55f6ff3da933 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -908,6 +908,23 @@ static const struct media_device_ops rvin_csi2_media_ops = { .link_notify = rvin_csi2_link_notify, }; +static int rvin_csi2_create_link(struct rvin_group *group, + const struct rvin_group_route *route) + +{ + struct media_entity *source = &group->remotes[route->csi].subdev->entity; + unsigned int source_idx = rvin_group_csi_channel_to_pad(route->channel); + struct media_entity *sink = &group->vin[route->vin]->vdev.entity; + struct media_pad *source_pad = &source->pads[source_idx]; + struct media_pad *sink_pad = &sink->pads[0]; + + /* Skip if link already exists. */ + if (media_entity_find_link(source_pad, sink_pad)) + return 0; + + return media_create_pad_link(source, source_idx, sink, 0, 0); +} + static int rvin_csi2_setup_links(struct rvin_dev *vin) { const struct rvin_group_route *route; @@ -916,10 +933,6 @@ static int rvin_csi2_setup_links(struct rvin_dev *vin) /* Create all media device links between VINs and CSI-2's. */ mutex_lock(&vin->group->lock); for (route = vin->info->routes; route->mask; route++) { - struct media_pad *source_pad, *sink_pad; - struct media_entity *source, *sink; - unsigned int source_idx; - /* Check that VIN is part of the group. */ if (!vin->group->vin[route->vin]) continue; @@ -932,23 +945,9 @@ static int rvin_csi2_setup_links(struct rvin_dev *vin) if (!vin->group->remotes[route->csi].subdev) continue; - source = &vin->group->remotes[route->csi].subdev->entity; - source_idx = rvin_group_csi_channel_to_pad(route->channel); - source_pad = &source->pads[source_idx]; - - sink = &vin->group->vin[route->vin]->vdev.entity; - sink_pad = &sink->pads[0]; - - /* Skip if link already exists. */ - if (media_entity_find_link(source_pad, sink_pad)) - continue; - - ret = media_create_pad_link(source, source_idx, sink, 0, 0); - if (ret) { - vin_err(vin, "Error adding link from %s to %s\n", - source->name, sink->name); + ret = rvin_csi2_create_link(vin->group, route); + if (ret) break; - } } mutex_unlock(&vin->group->lock); -- 2.34.0