diff --git a/drivers/media/platform/rockchip/isp/bridge.c b/drivers/media/platform/rockchip/isp/bridge.c
index 775e752c4dcd..7f158ebc2ac4 100644
--- a/drivers/media/platform/rockchip/isp/bridge.c
+++ b/drivers/media/platform/rockchip/isp/bridge.c
@@ -487,11 +487,12 @@ static void rkisp_bridge_save_fbcgain(struct rkisp_device *dev, struct rkisp_isp
 
 	spin_lock_irqsave(&hw->buf_lock, lock_flags);
 	if (dev->cur_fbcgain) {
-		v4l2_dbg(3, rkisp_debug, &br_dev->sd,
+		v4l2_dbg(1, rkisp_debug, &br_dev->sd,
 			 "%s old mfbcgain buf is exit, frame_id %d\n",
 			 __func__, dev->cur_fbcgain->frame_id);
 		list_add_tail(&dev->cur_fbcgain->list, &hw->list);
 		dev->cur_fbcgain = NULL;
+		br_dev->dbg.frameloss++;
 	}
 	dev->cur_fbcgain = fbcgain;
 	rkisp_bridge_try_sendtohal(dev);
@@ -597,6 +598,7 @@ static int frame_end(struct rkisp_bridge_device *dev, bool en, u32 state)
 		hw->cur_buf = NULL;
 	} else {
 		v4l2_dbg(1, rkisp_debug, &dev->sd, "no buf, lost frame:%d\n", dev->dbg.id);
+		dev->dbg.frameloss++;
 	}
 
 	if (hw->nxt_buf) {
@@ -1276,6 +1278,7 @@ static int bridge_s_stream(struct v4l2_subdev *sd, int on)
 		 "%s %d\n", __func__, on);
 
 	if (on) {
+		memset(&dev->dbg, 0, sizeof(dev->dbg));
 		atomic_inc(&dev->ispdev->cap_dev.refcnt);
 		ret = bridge_start_stream(sd);
 	} else {
@@ -1467,11 +1470,12 @@ void rkisp_bridge_save_spbuf(struct rkisp_device *dev, struct rkisp_buffer *sp_b
 
 	spin_lock_irqsave(&hw->buf_lock, lock_flags);
 	if (dev->cur_spbuf) {
-		v4l2_dbg(3, rkisp_debug, &br_dev->sd,
+		v4l2_dbg(1, rkisp_debug, &br_dev->sd,
 			 "%s old sp buf is exit, frame_id %d\n",
 			 __func__, dev->cur_spbuf->vb.sequence);
 		rkisp_spbuf_queue(&dev->cap_dev.stream[RKISP_STREAM_SP], dev->cur_spbuf);
 		dev->cur_spbuf = NULL;
+		dev->cap_dev.stream[RKISP_STREAM_SP].dbg.frameloss++;
 	}
 	dev->cur_spbuf = sp_buf;
 	rkisp_bridge_try_sendtohal(dev);
diff --git a/drivers/media/platform/rockchip/isp/capture_v20.c b/drivers/media/platform/rockchip/isp/capture_v20.c
index 2f2e3698abce..c5fba0c6f314 100644
--- a/drivers/media/platform/rockchip/isp/capture_v20.c
+++ b/drivers/media/platform/rockchip/isp/capture_v20.c
@@ -1094,8 +1094,10 @@ static void update_dmatx_v2(struct rkisp_stream *stream)
 			else
 				hdr_qbuf(&dev->hdr.q_tx[index], buf);
 		}
-		if (!buf && dev->hw_dev->dummy_buf.mem_priv)
+		if (!buf && dev->hw_dev->dummy_buf.mem_priv) {
 			buf = &dev->hw_dev->dummy_buf;
+			stream->dbg.frameloss++;
+		}
 		if (buf)
 			mi_set_y_addr(stream, buf->dma_addr);
 	}
@@ -1126,6 +1128,7 @@ static void update_mi(struct rkisp_stream *stream)
 		mi_set_y_addr(stream, dummy_buf->dma_addr);
 		mi_set_cb_addr(stream, dummy_buf->dma_addr);
 		mi_set_cr_addr(stream, dummy_buf->dma_addr);
+		stream->dbg.frameloss++;
 	}
 
 	mi_set_y_offset(stream, 0);
@@ -1409,6 +1412,7 @@ static int mi_frame_end(struct rkisp_stream *stream)
 					v4l2_err(&dev->v4l2_dev,
 						 "multiple long data in hdr frame\n");
 					rkisp_buf_queue(&cap->rdbk_buf[RDBK_L]->vb.vb2_buf);
+					stream->dbg.frameloss++;
 				}
 				cap->rdbk_buf[RDBK_L] = stream->curr_buf;
 			} else if (stream->id == RKISP_STREAM_DMATX1) {
@@ -1416,6 +1420,7 @@ static int mi_frame_end(struct rkisp_stream *stream)
 					v4l2_err(&dev->v4l2_dev,
 						 "multiple middle data in hdr frame\n");
 					rkisp_buf_queue(&cap->rdbk_buf[RDBK_M]->vb.vb2_buf);
+					stream->dbg.frameloss++;
 				}
 				cap->rdbk_buf[RDBK_M] = stream->curr_buf;
 			} else if (stream->id == RKISP_STREAM_DMATX2) {
@@ -1423,6 +1428,7 @@ static int mi_frame_end(struct rkisp_stream *stream)
 					v4l2_err(&dev->v4l2_dev,
 						 "multiple short data in hdr frame\n");
 					rkisp_buf_queue(&cap->rdbk_buf[RDBK_S]->vb.vb2_buf);
+					stream->dbg.frameloss++;
 				}
 				cap->rdbk_buf[RDBK_S] = stream->curr_buf;
 				rdbk_frame_end(stream);
@@ -1869,6 +1875,7 @@ rkisp_start_streaming(struct vb2_queue *queue, unsigned int count)
 			return -EBUSY;
 	}
 
+	memset(&stream->dbg, 0, sizeof(stream->dbg));
 	atomic_inc(&dev->cap_dev.refcnt);
 	if (!dev->isp_inp || !stream->linked) {
 		v4l2_err(v4l2_dev, "check video link or isp input\n");
diff --git a/drivers/media/platform/rockchip/isp/capture_v21.c b/drivers/media/platform/rockchip/isp/capture_v21.c
index 43149e1aaf62..bbd9fcaed4ad 100644
--- a/drivers/media/platform/rockchip/isp/capture_v21.c
+++ b/drivers/media/platform/rockchip/isp/capture_v21.c
@@ -495,8 +495,10 @@ static void update_dmatx_v2(struct rkisp_stream *stream)
 			else
 				hdr_qbuf(&dev->hdr.q_tx[index], buf);
 		}
-		if (!buf && dev->hw_dev->dummy_buf.mem_priv)
+		if (!buf && dev->hw_dev->dummy_buf.mem_priv) {
 			buf = &dev->hw_dev->dummy_buf;
+			stream->dbg.frameloss++;
+		}
 		if (buf)
 			mi_set_y_addr(stream, buf->dma_addr);
 	}
@@ -535,6 +537,7 @@ static void update_mi(struct rkisp_stream *stream)
 			    dummy_buf->dma_addr, false);
 		rkisp_write(dev, stream->config->mi.cr_base_ad_init,
 			    dummy_buf->dma_addr, false);
+		stream->dbg.frameloss++;
 	}
 
 	mi_set_y_offset(stream, 0);
@@ -681,6 +684,7 @@ static void rdbk_frame_end(struct rkisp_stream *stream)
 	return;
 
 RDBK_FRM_UNMATCH:
+	stream->dbg.frameloss++;
 	if (cap->rdbk_buf[RDBK_L])
 		rkisp_buf_queue(&cap->rdbk_buf[RDBK_L]->vb.vb2_buf);
 	if (cap->rdbk_buf[RDBK_S])
@@ -1158,6 +1162,7 @@ rkisp_start_streaming(struct vb2_queue *queue, unsigned int count)
 		return -EBUSY;
 	}
 
+	memset(&stream->dbg, 0, sizeof(stream->dbg));
 	atomic_inc(&dev->cap_dev.refcnt);
 	if (!dev->isp_inp || !stream->linked) {
 		v4l2_err(v4l2_dev, "check video link or isp input\n");
diff --git a/drivers/media/platform/rockchip/isp/isp_ispp.h b/drivers/media/platform/rockchip/isp/isp_ispp.h
index a8804a8c4f4c..7cf5b3662b54 100644
--- a/drivers/media/platform/rockchip/isp/isp_ispp.h
+++ b/drivers/media/platform/rockchip/isp/isp_ispp.h
@@ -71,6 +71,7 @@ struct frame_debug_info {
 	u32 interval;
 	u32 delay;
 	u32 id;
+	u32 frameloss;
 };
 
 struct max_input {
diff --git a/drivers/media/platform/rockchip/isp/procfs.c b/drivers/media/platform/rockchip/isp/procfs.c
index 3ea9277e3dba..5432ebbfc375 100644
--- a/drivers/media/platform/rockchip/isp/procfs.c
+++ b/drivers/media/platform/rockchip/isp/procfs.c
@@ -245,13 +245,14 @@ static int isp_show(struct seq_file *p, void *v)
 		   sdev->in_crop.width, sdev->in_crop.height, val,
 		   sdev->in_crop.left, sdev->in_crop.top);
 	if (IS_HDR_RDBK(dev->hdr.op_mode))
-		seq_printf(p, "%-10s mode:frame%d (frame:%d rate:%dms %s time:%dms) cnt(total:%d X1:%d X2:%d X3:%d)\n",
+		seq_printf(p, "%-10s mode:frame%d (frame:%d rate:%dms %s time:%dms frameloss:%d) cnt(total:%d X1:%d X2:%d X3:%d)\n",
 			   "Isp Read",
 			   dev->rd_mode - 3,
 			   dev->dmarx_dev.cur_frame.id,
 			   (u32)(dev->dmarx_dev.cur_frame.timestamp - dev->dmarx_dev.pre_frame.timestamp) / 1000 / 1000,
 			   (dev->isp_state & ISP_FRAME_END) ? "idle" : "working",
 			   sdev->dbg.interval / 1000 / 1000,
+			   sdev->dbg.frameloss,
 			   dev->rdbk_cnt,
 			   dev->rdbk_cnt_x1,
 			   dev->rdbk_cnt_x2,
@@ -265,7 +266,7 @@ static int isp_show(struct seq_file *p, void *v)
 			   sdev->dbg.delay / 1000);
 
 	if (dev->br_dev.en)
-		seq_printf(p, "%-10s rkispp%d Format:%s%s Size:%dx%d (frame:%d rate:%dms)\n",
+		seq_printf(p, "%-10s rkispp%d Format:%s%s Size:%dx%d (frame:%d rate:%dms frameloss:%d)\n",
 			   "Output",
 			   dev->dev_id,
 			   (dev->br_dev.work_mode & ISP_ISPP_FBC) ? "FBC" : "YUV",
@@ -273,13 +274,14 @@ static int isp_show(struct seq_file *p, void *v)
 			   dev->br_dev.crop.width,
 			   dev->br_dev.crop.height,
 			   dev->br_dev.dbg.id,
-			   dev->br_dev.dbg.interval / 1000 / 1000);
+			   dev->br_dev.dbg.interval / 1000 / 1000,
+			   dev->br_dev.dbg.frameloss);
 	for (val = 0; val < RKISP_MAX_STREAM; val++) {
 		struct rkisp_stream *stream = &dev->cap_dev.stream[val];
 
 		if (!stream->streaming)
 			continue;
-		seq_printf(p, "%-10s %s Format:%c%c%c%c Size:%dx%d (frame:%d rate:%dms delay:%dms)\n",
+		seq_printf(p, "%-10s %s Format:%c%c%c%c Size:%dx%d (frame:%d rate:%dms delay:%dms frameloss:%d)\n",
 			   "Output",
 			   stream->vnode.vdev.name,
 			   stream->out_fmt.pixelformat,
@@ -290,7 +292,8 @@ static int isp_show(struct seq_file *p, void *v)
 			   stream->out_fmt.height,
 			   stream->dbg.id,
 			   stream->dbg.interval / 1000 / 1000,
-			   stream->dbg.delay / 1000 / 1000);
+			   stream->dbg.delay / 1000 / 1000,
+			   stream->dbg.frameloss);
 	}
 
 	switch (dev->isp_ver) {
diff --git a/drivers/media/platform/rockchip/isp/rkisp.c b/drivers/media/platform/rockchip/isp/rkisp.c
index 7f4ae5af0f71..e3dc1859f0b0 100644
--- a/drivers/media/platform/rockchip/isp/rkisp.c
+++ b/drivers/media/platform/rockchip/isp/rkisp.c
@@ -654,6 +654,10 @@ static void rkisp_rdbk_trigger_handle(struct rkisp_device *dev, u32 cmd)
 		isp = hw->isp[id];
 		rkisp_rdbk_trigger_event(isp, T_CMD_DEQUEUE, &t);
 		isp->dmarx_dev.pre_frame = isp->dmarx_dev.cur_frame;
+		if (t.frame_id > isp->dmarx_dev.pre_frame.id &&
+		    t.frame_id - isp->dmarx_dev.pre_frame.id > 1)
+			isp->isp_sdev.dbg.frameloss +=
+				t.frame_id - isp->dmarx_dev.pre_frame.id + 1;
 		isp->dmarx_dev.cur_frame.id = t.frame_id;
 		isp->dmarx_dev.cur_frame.sof_timestamp = t.sof_timestamp;
 		isp->dmarx_dev.cur_frame.timestamp = t.frame_timestamp;
@@ -2230,6 +2234,7 @@ static int rkisp_isp_sd_s_stream(struct v4l2_subdev *sd, int on)
 	}
 
 	rkisp_start_3a_run(isp_dev);
+	memset(&isp_dev->isp_sdev.dbg, 0, sizeof(isp_dev->isp_sdev.dbg));
 	mutex_lock(&isp_dev->hw_dev->dev_lock);
 	atomic_inc(&isp_dev->hw_dev->refcnt);
 	atomic_set(&isp_dev->isp_sdev.frm_sync_seq, 0);