On Wed Dec 17 11:02:22 2025 +0800, Ming Qian wrote:
> The V4L2_DEC_CMD_START command may be used to handle the dynamic source
> change, which will triggers an implicit decoder drain.
> The last_buffer_dequeued flag is set in the implicit decoder drain,
> so driver need to clear it to continue the following decoding flow.
>
> Signed-off-by: Ming Qian <[email protected]>
> Reviewed-by: Nicolas Dufresne <[email protected]>
> Signed-off-by: Nicolas Dufresne <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/amphion/vdec.c | 1 +
1 file changed, 1 insertion(+)
---
diff --git a/drivers/media/platform/amphion/vdec.c
b/drivers/media/platform/amphion/vdec.c
index c0d2aabb9e0e..f25dbcebdccf 100644
--- a/drivers/media/platform/amphion/vdec.c
+++ b/drivers/media/platform/amphion/vdec.c
@@ -724,6 +724,7 @@ static int vdec_decoder_cmd(struct file *file, void *fh,
struct v4l2_decoder_cmd
switch (cmd->cmd) {
case V4L2_DEC_CMD_START:
vdec_cmd_start(inst);
+
vb2_clear_last_buffer_dequeued(v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx));
break;
case V4L2_DEC_CMD_STOP:
vdec_cmd_stop(inst);
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