diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index ba748637b7ca660fee182272262f573a7c513f7d..c69711756c8eb7d99cfe34b11b2c9531586e926b 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -1453,6 +1453,11 @@ static int adv7842_s_dv_timings(struct v4l2_subdev *sd,
 	if (state->mode == ADV7842_MODE_SDP)
 		return -ENODATA;
 
+	if (v4l2_match_dv_timings(&state->timings, timings, 0)) {
+		v4l2_dbg(1, debug, sd, "%s: no change\n", __func__);
+		return 0;
+	}
+
 	bt = &timings->bt;
 
 	if (!v4l2_valid_dv_timings(timings, adv7842_get_dv_timings_cap(sd),