diff --git a/drivers/amlogic/media/deinterlace/deinterlace_mtn.c b/drivers/amlogic/media/deinterlace/deinterlace_mtn.c
index 81e003664204..0e51ee00854e 100644
--- a/drivers/amlogic/media/deinterlace/deinterlace_mtn.c
+++ b/drivers/amlogic/media/deinterlace/deinterlace_mtn.c
@@ -605,8 +605,11 @@ static void set_combing_regs(int lvl, int bit_mode)
 			DI_Wr_reg_bits(DI_MTN_1_CTRL1,
 				((*combing_setting_values[lvl])[0] &
 				combing_setting_masks[i]), 0, 24);
-          	/*working on db, driver don't handle this*/
-		if (((bit_mode != 10) || cpu_after_eq(MESON_CPU_MAJOR_ID_TL1))
+			/*working on db, driver don't handle this
+			 *confirmed with vlsi-baozheng, G12a/G12B/SM1
+			 *is same as TL1, Change the condition to cpu after G12a
+			 */
+		if (((bit_mode != 10) || cpu_after_eq(MESON_CPU_MAJOR_ID_G12A))
 			&& combing_setting_registers[i] == NR2_MATNR_DEGHOST)
 			break;
 		else if (i < GXTVBB_REG_START) {