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media: nxp: imx8-isi: Mark all crossbar sink pads as MUST_CONNECT

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[ Upstream commit 9b71021b2e ]

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@vger.kernel.org # 6.1
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Laurent Pinchart 2024-01-15 04:16:29 +02:00 committed by Greg Kroah-Hartman
parent a776ae1b1b
commit c245767b49
1 changed files with 2 additions and 8 deletions
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10
drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c
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@ -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,
@ -471,7 +464,8 @@ 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;