MLK-21523-2: VPU Decoder: add timestamp threshold

the timestamp of output stream may be not monotone increasing
there are may be reoder.
driver should use the max timestamp that received
to calculate the timestamp delta.

Signed-off-by: ming_qian <ming.qian@nxp.com>

diff --git a/drivers/mxc/vpu_malone/vpu_b0.c b/drivers/mxc/vpu_malone/vpu_b0.c
index efab925..77f8a9d 100644 (file)
--- a/drivers/mxc/vpu_malone/vpu_b0.c
+++ b/drivers/mxc/vpu_malone/vpu_b0.c
@@ -1177,7 +1177,7 @@ static void vpu_dec_receive_ts(struct vpu_ctx *ctx,
        if (input_ts < 0)
                input_ts = TSM_TIMESTAMP_NONE;
 
-       if (input_ts != TSM_TIMESTAMP_NONE)
+       if (input_ts != TSM_TIMESTAMP_NONE && input_ts > ctx->output_ts)
                ctx->output_ts = input_ts;
 
        if (down_interruptible(&ctx->tsm_lock)) {