Hi Prabhakar, Thank you for the patch. On Tue, Sep 10, 2024 at 06:53:43PM +0100, Prabhakar wrote: > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > Mark the sink pads 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@xxxxxxxxxxxxxx> > --- > drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c | 2 +- > drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c | 3 ++- > 2 files changed, 3 insertions(+), 2 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; The corresponding link is ENABLED and IMMUTABLE, so this will not have any effect. It shouldn't cause any issue though, and makes things more explicit. > 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..db48118fc817 100644 > --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c > +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c > @@ -217,7 +217,8 @@ 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_SINK].flags = MEDIA_PAD_FL_SINK | > + MEDIA_PAD_FL_MUST_CONNECT; Same here. For this pad, the MUST_CONNECT flag will come handy when adding support for the parallel input, as the link will not be immutable anymore. Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > ip->pads[RZG2L_CRU_IP_SOURCE].flags = MEDIA_PAD_FL_SOURCE; > > ret = media_entity_pads_init(&ip->subdev.entity, 2, ip->pads); -- Regards, Laurent Pinchart
