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Subject: media: imx: TODO: Remove media link creation todos Author: Steve Longerbeam <[email protected]> Date: Fri May 1 19:15:56 2020 +0200 Remove the TODO items regarding media link creation, these issues are resolved by moving media link creation to individual entity bound callbacks and the implementation of the get_fwnode_pad operation. Signed-off-by: Steve Longerbeam <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/imx/TODO | 29 ----------------------------- 1 file changed, 29 deletions(-) --- diff --git a/drivers/staging/media/imx/TODO b/drivers/staging/media/imx/TODO index 6f29b5ca5324..a371cdedcdb0 100644 --- a/drivers/staging/media/imx/TODO +++ b/drivers/staging/media/imx/TODO @@ -17,35 +17,6 @@ decided whether this feature is useful enough to make it generally available by exporting to v4l2-core. -- After all async subdevices have been bound, v4l2_fwnode_parse_link() - is used to form the media links between the devices discovered in - the OF graph. - - While this approach allows support for arbitrary OF graphs, there - are some assumptions for this to work: - - 1. If a port owned by a device in the graph has endpoint nodes, the - port is treated as a media pad. - - This presents problems for devices that don't make this port = pad - assumption. Examples are SMIAPP compatible cameras which define only - a single output port node, but which define multiple pads owned - by multiple subdevices (pixel-array, binner, scaler). Or video - decoders (entity function MEDIA_ENT_F_ATV_DECODER), which also define - only a single output port node, but define multiple pads for video, - VBI, and audio out. - - A workaround at present is to set the port reg properties to - correspond to the media pad index that the port represents. A - possible long-term solution is to implement a subdev API that - maps a port id to a media pad index. - - 2. Every endpoint of a port owned by a device in the graph is treated - as a media link. - - Which means a port must not contain mixed-use endpoints, they - must all refer to media links between V4L2 subdevices. - - i.MX7: all of the above, since it uses the imx media core - i.MX7: use Frame Interval Monitor _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
