diff --git a/drivers/media/vin/tvin/vdin/vdin_debug.c b/drivers/media/vin/tvin/vdin/vdin_debug.c
index a819fe42d..343dd2d55 100644
--- a/drivers/media/vin/tvin/vdin/vdin_debug.c
+++ b/drivers/media/vin/tvin/vdin/vdin_debug.c
@@ -3560,6 +3560,15 @@ start_chk:
 		}
 		pr_info("bypass_pc_mode:%d pc_mode:%d\n",
 			devp->debug.bypass_pc_mode, vdin_pc_mode);
+	} else if (!strcmp(parm[0], "invalid_input_en")) {
+		if (parm[1] && (kstrtouint(parm[1], 16, &temp) == 0)) {
+			if (temp)
+				devp->debug.invalid_input_en = true;
+			else
+				devp->debug.invalid_input_en = false;
+		}
+		pr_info("invalid_input_en:%d\n",
+			devp->debug.invalid_input_en);
 	} else if (!strcmp(parm[0], "v4l2_buff_area")) {
 		/*
 		 * 0: codec_mm_cma area
diff --git a/drivers/media/vin/tvin/vdin/vdin_drv.c b/drivers/media/vin/tvin/vdin/vdin_drv.c
index a22b7db99..bb2e26ac3 100644
--- a/drivers/media/vin/tvin/vdin/vdin_drv.c
+++ b/drivers/media/vin/tvin/vdin/vdin_drv.c
@@ -4075,7 +4075,7 @@ irqreturn_t vdin_v4l2_isr(int irq, void *dev_id)
 	}
 
 	if (!vdin_is_input_valid(devp) &&
-		(devp->vdin_function_sel & VDIN_NOT_DATA_INPUT_DROP)) {
+		!(devp->debug.invalid_input_en)) {
 		devp->vdin_irq_flag = VDIN_IRQ_FLG_FAKE_IRQ;
 		vdin_drop_frame_info(devp, "no data input");
 		if (vdin_dbg_en & 0x10)
diff --git a/drivers/media/vin/tvin/vdin/vdin_drv.h b/drivers/media/vin/tvin/vdin/vdin_drv.h
index bec729102..983de2dbc 100644
--- a/drivers/media/vin/tvin/vdin/vdin_drv.h
+++ b/drivers/media/vin/tvin/vdin/vdin_drv.h
@@ -304,13 +304,12 @@ struct match_data_s {
 #define VDIN_FLAG_V4L2_DEBUG            0x00020000
 /*flag for isr req&free*/
 #define VDIN_FLAG_ISR_REQ               0x00040000
+/* flag for rdma done in isr*/
+#define VDIN_FLAG_RDMA_DONE             0x00080000
 #define VDIN_FLAG_ISR_EN		0x00100000
 /*flag for get vdin1 hist start interface*/
 #define VDIN_FLAG_HIST_STARTED		0x00200000
 
-/* flag for rdma done in isr*/
-#define VDIN_FLAG_RDMA_DONE             0x00080000
-
 /*values of vdin isr bypass check flag */
 #define VDIN_BYPASS_STOP_CHECK          0x00000001
 #define VDIN_BYPASS_CYC_CHECK           0x00000002
@@ -669,6 +668,7 @@ struct vdin_debug_s {
 	unsigned char rgb_8f[3];
 	unsigned char rgb_8l[3];
 	unsigned int v4l2_buff_area;
+	bool invalid_input_en;
 };
 
 struct vdin_dv_s {