[PATCH AUTOSEL 5.1 135/219] media: coda: increment sequence offset for the last returned frame

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From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>

[ Upstream commit b3b7d96817cdb8b6fc353867705275dce8f41ccc ]

If no more frames are decoded in bitstream end mode, and a previously
decoded frame has been returned, the firmware still increments the frame
number. To avoid a sequence number mismatch after decoder restart,
increment the sequence_offset correction parameter.

Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/media/platform/coda/coda-bit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 5eb93ac060d5..8648a6bd8809 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -2151,6 +2151,9 @@ static void coda_finish_decode(struct coda_ctx *ctx)
 		else if (ctx->display_idx < 0)
 			ctx->hold = true;
 	} else if (decoded_idx == -2) {
+		if (ctx->display_idx >= 0 &&
+		    ctx->display_idx < ctx->num_internal_frames)
+			ctx->sequence_offset++;
 		/* no frame was decoded, we still return remaining buffers */
 	} else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
 		v4l2_err(&dev->v4l2_dev,
-- 
2.20.1




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