[media] coda: delay coda_fill_bitstream()

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@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 79c362b..898eb3d 100644 (file)
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -1680,7 +1680,8 @@ 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);
@@ -2270,6 +2271,11 @@ 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 {