Commit 92590966 authored by Bingbu Cao's avatar Bingbu Cao Committed by Mauro Carvalho Chehab
Browse files

media: staging/intel-ipu3: set the main output as mandatory 



From firmware perspective, the main output for each pipe is mandatory
and must be enabled. This patch set the link between imgu subdev and
main output as IMMUTABLE by default.

Signed-off-by: default avatarBingbu Cao <bingbu.cao@intel.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 1451d5ae

drivers/staging/media/ipu3/TODO

+0 −3
Original line number Diff line number Diff line
@@ -5,9 +5,6 @@ staging directory. 
  as well as formats and the binary used to a request. Remove the

  opportunistic buffer management. (Sakari)



- Using ENABLED and IMMUTABLE link flags for the links where those are

  relevant. (Sakari)



- IPU3 driver documentation (Laurent)

  Comments on configuring v4l2 subdevs for CIO2 and ImgU.

drivers/staging/media/ipu3/ipu3-v4l2.c

+5 −0
Original line number Diff line number Diff line
@@ -1260,6 +1260,11 @@ static int imgu_v4l2_node_setup(struct imgu_device *imgu, unsigned int pipe, 
		r = media_create_pad_link(&vdev->entity, 0, &sd->entity,

					  node_num, flags);

	} else {

		if (node->id == IMGU_NODE_OUT) {

			flags |= MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE;

			node->enabled = true;

		}



		r = media_create_pad_link(&sd->entity, node_num, &vdev->entity,

					  0, flags);

	}

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