From patchwork Mon Jul 11 12:42:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 589626 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 884FEC433EF for ; Mon, 11 Jul 2022 12:44:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231837AbiGKMoR (ORCPT ); Mon, 11 Jul 2022 08:44:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231796AbiGKMn4 (ORCPT ); Mon, 11 Jul 2022 08:43:56 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDB451B7AE for ; Mon, 11 Jul 2022 05:43:53 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id E1F5E73E; Mon, 11 Jul 2022 14:43:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1657543409; bh=7akQRhqjaIOI8GSplWzL9Bz5bUU/ul/ouOuAGlxzL4o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=duGhtjtInNEcaczbeKRabsBMTLakeIP6uIDhFMvTgDIWAKZZ1fM7Wb/SNNPDwTq0C QHfQ4+86gwpUNZFIvPRkoA+nU1ilOvt4p7GX9Qz2rc/KLdk3LNvBVTq1CO8nBXakbz wHKcJDm9F5d0rmim1LwPVwdEK+JukmOcMvNi/hYY= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, Dafna Hirschfeld , Heiko Stuebner , Helen Koike , Paul Elder Subject: [PATCH v3 16/46] media: rkisp1: Create internal links at probe time Date: Mon, 11 Jul 2022 15:42:18 +0300 Message-Id: <20220711124248.2683-17-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220711124248.2683-1-laurent.pinchart@ideasonboard.com> References: <20220711124248.2683-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There's no need to wait until all async subdevs are bound before creating internal links. Create them at probe time. Signed-off-by: Laurent Pinchart Reviewed-by: Dafna Hirschfeld --- .../platform/rockchip/rkisp1/rkisp1-dev.c | 105 ++++++++---------- 1 file changed, 49 insertions(+), 56 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index 1b3c3881ca89..4400dc0117a5 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -109,50 +109,6 @@ struct rkisp1_isr_data { * Sensor DT bindings */ -static int rkisp1_create_links(struct rkisp1_device *rkisp1) -{ - unsigned int i; - int ret; - - /* create ISP->RSZ->CAP links */ - for (i = 0; i < 2; i++) { - struct media_entity *resizer = - &rkisp1->resizer_devs[i].sd.entity; - struct media_entity *capture = - &rkisp1->capture_devs[i].vnode.vdev.entity; - - ret = media_create_pad_link(&rkisp1->isp.sd.entity, - RKISP1_ISP_PAD_SOURCE_VIDEO, - resizer, RKISP1_RSZ_PAD_SINK, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - - ret = media_create_pad_link(resizer, RKISP1_RSZ_PAD_SRC, - capture, 0, - MEDIA_LNK_FL_ENABLED | - MEDIA_LNK_FL_IMMUTABLE); - if (ret) - return ret; - } - - /* params links */ - ret = media_create_pad_link(&rkisp1->params.vnode.vdev.entity, 0, - &rkisp1->isp.sd.entity, - RKISP1_ISP_PAD_SINK_PARAMS, - MEDIA_LNK_FL_ENABLED | - MEDIA_LNK_FL_IMMUTABLE); - if (ret) - return ret; - - /* 3A stats links */ - return media_create_pad_link(&rkisp1->isp.sd.entity, - RKISP1_ISP_PAD_SOURCE_STATS, - &rkisp1->stats.vnode.vdev.entity, 0, - MEDIA_LNK_FL_ENABLED | - MEDIA_LNK_FL_IMMUTABLE); -} - static int rkisp1_subdev_notifier_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) @@ -210,19 +166,8 @@ static int rkisp1_subdev_notifier_complete(struct v4l2_async_notifier *notifier) { struct rkisp1_device *rkisp1 = container_of(notifier, struct rkisp1_device, notifier); - int ret; - ret = rkisp1_create_links(rkisp1); - if (ret) - return ret; - - ret = v4l2_device_register_subdev_nodes(&rkisp1->v4l2_dev); - if (ret) - return ret; - - dev_dbg(rkisp1->dev, "Async subdev notifier completed\n"); - - return 0; + return v4l2_device_register_subdev_nodes(&rkisp1->v4l2_dev); } static const struct v4l2_async_notifier_operations rkisp1_subdev_notifier_ops = { @@ -332,6 +277,50 @@ static const struct dev_pm_ops rkisp1_pm_ops = { * Core */ +static int rkisp1_create_links(struct rkisp1_device *rkisp1) +{ + unsigned int i; + int ret; + + /* create ISP->RSZ->CAP links */ + for (i = 0; i < 2; i++) { + struct media_entity *resizer = + &rkisp1->resizer_devs[i].sd.entity; + struct media_entity *capture = + &rkisp1->capture_devs[i].vnode.vdev.entity; + + ret = media_create_pad_link(&rkisp1->isp.sd.entity, + RKISP1_ISP_PAD_SOURCE_VIDEO, + resizer, RKISP1_RSZ_PAD_SINK, + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + + ret = media_create_pad_link(resizer, RKISP1_RSZ_PAD_SRC, + capture, 0, + MEDIA_LNK_FL_ENABLED | + MEDIA_LNK_FL_IMMUTABLE); + if (ret) + return ret; + } + + /* params links */ + ret = media_create_pad_link(&rkisp1->params.vnode.vdev.entity, 0, + &rkisp1->isp.sd.entity, + RKISP1_ISP_PAD_SINK_PARAMS, + MEDIA_LNK_FL_ENABLED | + MEDIA_LNK_FL_IMMUTABLE); + if (ret) + return ret; + + /* 3A stats links */ + return media_create_pad_link(&rkisp1->isp.sd.entity, + RKISP1_ISP_PAD_SOURCE_STATS, + &rkisp1->stats.vnode.vdev.entity, 0, + MEDIA_LNK_FL_ENABLED | + MEDIA_LNK_FL_IMMUTABLE); +} + static void rkisp1_entities_unregister(struct rkisp1_device *rkisp1) { rkisp1_params_unregister(rkisp1); @@ -365,6 +354,10 @@ static int rkisp1_entities_register(struct rkisp1_device *rkisp1) if (ret) goto error; + ret = rkisp1_create_links(rkisp1); + if (ret) + goto error; + ret = rkisp1_subdev_notifier(rkisp1); if (ret) { dev_err(rkisp1->dev,