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Subject: media: nxp: imx8-isi: Mark all crossbar sink pads as MUST_CONNECT
Author: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Date: Mon Jan 15 04:16:29 2024 +0200
All the sink pads of the crossbar switch require an active link if
they're part of the pipeline. Mark them with the
MEDIA_PAD_FL_MUST_CONNECT flag to fail pipeline validation if they're
not connected. This allows removing a manual check when translating
streams.
Cc: stable@xxxxxxxxxxxxxxx # 6.1
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
---
diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c
index 1bb1334ec6f2..93a55c97cd17 100644
--- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c
+++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c
@@ -160,13 +160,6 @@ mxc_isi_crossbar_xlate_streams(struct mxc_isi_crossbar *xbar,
}
pad = media_pad_remote_pad_first(&xbar->pads[sink_pad]);
- if (!pad) {
- dev_dbg(xbar->isi->dev,
- "no pad connected to crossbar input %u\n",
- sink_pad);
- return ERR_PTR(-EPIPE);
- }
-
sd = media_entity_to_v4l2_subdev(pad->entity);
if (!sd) {
dev_dbg(xbar->isi->dev,
@@ -475,7 +468,8 @@ int mxc_isi_crossbar_init(struct mxc_isi_dev *isi)
}
for (i = 0; i < xbar->num_sinks; ++i)
- xbar->pads[i].flags = MEDIA_PAD_FL_SINK;
+ xbar->pads[i].flags = MEDIA_PAD_FL_SINK
+ | MEDIA_PAD_FL_MUST_CONNECT;
for (i = 0; i < xbar->num_sources; ++i)
xbar->pads[i + xbar->num_sinks].flags = MEDIA_PAD_FL_SOURCE;
