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Subject: media: amphion: fix decoder's interlaced field
Author:  Ming Qian <[email protected]>
Date:    Thu Apr 14 09:57:22 2022 +0100

For interlaced frame, the amphion vpu will store the
two fields sequential into one buffer, top-bottom order
so the field should be set to V4L2_FIELD_SEQ_TB.
fix the previous bug that set it to V4L2_FIELD_SEQ_BT wrongly.

Fixes: 6de8d628df6e ("media: amphion: add v4l2 m2m vpu decoder stateful driver")
Signed-off-by: Ming Qian <[email protected]>
Reviewed-by: Nicolas Dufresne <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/platform/amphion/vdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

---

diff --git a/drivers/media/platform/amphion/vdec.c 
b/drivers/media/platform/amphion/vdec.c
index 8f8dfd6ce2c6..c0dfede11ab7 100644
--- a/drivers/media/platform/amphion/vdec.c
+++ b/drivers/media/platform/amphion/vdec.c
@@ -782,7 +782,7 @@ static void vdec_init_fmt(struct vpu_inst *inst)
        if (vdec->codec_info.progressive)
                inst->cap_format.field = V4L2_FIELD_NONE;
        else
-               inst->cap_format.field = V4L2_FIELD_SEQ_BT;
+               inst->cap_format.field = V4L2_FIELD_SEQ_TB;
        if (vdec->codec_info.color_primaries == V4L2_COLORSPACE_DEFAULT)
                vdec->codec_info.color_primaries = V4L2_COLORSPACE_REC709;
        if (vdec->codec_info.transfer_chars == V4L2_XFER_FUNC_DEFAULT)

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