linux-kernel - [PATCH v2 10/15] media: vimc: Propagate multiplanar state in the stream

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Date:   Wed, 27 Mar 2019 12:17:38 -0300
From:   André Almeida <andrealmeid@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     mchehab@...nel.org, hverkuil@...all.nl, helen.koike@...labora.com,
        lucmaga@...il.com, linux-kernel@...r.kernel.org,
        kernel@...labora.com, lkcamp@...ts.libreplanetbr.org
Subject: [PATCH v2 10/15] media: vimc: Propagate multiplanar state in the stream

Add a multiplanar flag in vimc_stream in order to propagate the
state (singleplanar/multiplanar) to subdevices at the stream.

Signed-off-by: André Almeida <andrealmeid@...labora.com>
---
Change in v2:
- New commit

 drivers/media/platform/vimc/vimc-capture.c  | 7 +++++--
 drivers/media/platform/vimc/vimc-streamer.h | 3 +++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
index 57bc2b64b093..3c93fbd51629 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -454,12 +454,15 @@ static int vimc_cap_start_streaming(struct vb2_queue *vq, unsigned int count)
 		return ret;
 	}
 
-	if (IS_MULTIPLANAR(vcap))
+	if (IS_MULTIPLANAR(vcap)) {
 		vcap->stream.producer_pixfmt =
 			vcap->format.fmt.pix_mp.pixelformat;
-	else
+		vcap->stream.multiplanar = true;
+	} else {
 		vcap->stream.producer_pixfmt =
 			vcap->format.fmt.pix.pixelformat;
+		vcap->stream.multiplanar = false;
+	}
 
 	ret = vimc_streamer_s_stream(&vcap->stream, &vcap->ved, 1);
 	if (ret) {
diff --git a/drivers/media/platform/vimc/vimc-streamer.h b/drivers/media/platform/vimc/vimc-streamer.h
index 2b3667408794..4878e0b72ea7 100644
--- a/drivers/media/platform/vimc/vimc-streamer.h
+++ b/drivers/media/platform/vimc/vimc-streamer.h
@@ -25,6 +25,8 @@
  * processed in the pipeline.
  * @pipe_size:		size of @ved_pipeline
  * @kthread:		thread that generates the frames of the stream.
+ * @multiplanar:	sets if the stream is running in multiplanar or
+ * singleplanar format mode
  * @producer_pixfmt:	the pixel format requested from the pipeline. This must
  * be set just before calling vimc_streamer_s_stream(ent, 1). This value is
  * propagated up to the source of the base image (usually a sensor node) and
@@ -40,6 +42,7 @@ struct vimc_stream {
 	struct vimc_ent_device *ved_pipeline[VIMC_STREAMER_PIPELINE_MAX_SIZE];
 	unsigned int pipe_size;
 	struct task_struct *kthread;
+	bool multiplanar;
 	u32 producer_pixfmt;
 };
 
-- 
2.21.0