From: Michael Olbrich <m.olbrich@xxxxxxxxxxxxxx>
coda_fill_bitstream() calls v4l2_m2m_buf_done() which is no longer allowed
before streaming was started.
Delay coda_fill_bitstream() until coda_start_streaming() and explicitly set
'start_streaming_called' before calling coda_fill_bitstream()
Signed-off-by: Michael Olbrich <m.olbrich@xxxxxxxxxxxxxx>
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
Changes since v1:
- Don't set vb2_queue start_streaming_called anymore, it is now set by
the core before coda_start_streaming is called.
---
drivers/media/platform/coda.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 141ec29..924ad58 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -1682,7 +1682,8 @@ static void coda_buf_queue(struct vb2_buffer *vb)
}
mutex_lock(&ctx->bitstream_mutex);
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
- coda_fill_bitstream(ctx);
+ if (vb2_is_streaming(vb->vb2_queue))
+ coda_fill_bitstream(ctx);
mutex_unlock(&ctx->bitstream_mutex);
} else {
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
@@ -2272,6 +2273,11 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
if (q_data_src->fourcc == V4L2_PIX_FMT_H264) {
+ /* copy the buffers that where queued before streamon */
+ mutex_lock(&ctx->bitstream_mutex);
+ coda_fill_bitstream(ctx);
+ mutex_unlock(&ctx->bitstream_mutex);
+
if (coda_get_bitstream_payload(ctx) < 512)
return -EINVAL;
} else {
--
2.0.1
--
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