linux-kernel - [PATCH v4 02/17] media: rzg2l-cru: Mark sink and source pad with MUST

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Message-ID: <20241007184839.190519-3-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Mon,  7 Oct 2024 19:48:24 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans Verkuil <hverkuil-cisco@...all.nl>
Cc: linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v4 02/17] media: rzg2l-cru: Mark sink and source pad with MUST_CONNECT flag

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Mark the sink and source pad with the MEDIA_PAD_FL_MUST_CONNECT flag to
ensure pipeline validation fails if it is not connected.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
---
 drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c | 2 +-
 drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c   | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
index 19e0ba9596c9..69cd45b26951 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
@@ -209,7 +209,7 @@ static int rzg2l_cru_media_init(struct rzg2l_cru_dev *cru)
 	const struct of_device_id *match;
 	int ret;
 
-	cru->pad.flags = MEDIA_PAD_FL_SINK;
+	cru->pad.flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_MUST_CONNECT;
 	ret = media_entity_pads_init(&cru->vdev.entity, 1, &cru->pad);
 	if (ret)
 		return ret;
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
index 9f0ea1de50da..700d8b704689 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
@@ -217,8 +217,10 @@ int rzg2l_cru_ip_subdev_register(struct rzg2l_cru_dev *cru)
 	ip->subdev.entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER;
 	ip->subdev.entity.ops = &rzg2l_cru_ip_entity_ops;
 
-	ip->pads[RZG2L_CRU_IP_SINK].flags = MEDIA_PAD_FL_SINK;
-	ip->pads[RZG2L_CRU_IP_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
+	ip->pads[RZG2L_CRU_IP_SINK].flags = MEDIA_PAD_FL_SINK |
+					    MEDIA_PAD_FL_MUST_CONNECT;
+	ip->pads[RZG2L_CRU_IP_SOURCE].flags = MEDIA_PAD_FL_SOURCE |
+					      MEDIA_PAD_FL_MUST_CONNECT;
 
 	ret = media_entity_pads_init(&ip->subdev.entity, 2, ip->pads);
 	if (ret)
-- 
2.43.0