diff --git a/drivers/amlogic/media/video_sink/video.c b/drivers/amlogic/media/video_sink/video.c
index f48037b869cd..7979ac991da1 100644
--- a/drivers/amlogic/media/video_sink/video.c
+++ b/drivers/amlogic/media/video_sink/video.c
@@ -10322,10 +10322,19 @@ static int __init video_early_init(void)
 			DMC_AM0_CHAN_CTRL,
 			0x8ff403cf);
 
-	/* force bypass dolby for TL1. There is no dolby function */
-	if (is_meson_tl1_cpu())
+	if (is_meson_tl1_cpu()) {
+		/* force bypass dolby for TL1, no dolby function */
 		WRITE_VCBUS_REG_BITS(
 			DOLBY_PATH_CTRL, 0xf, 0, 6);
+		/* disable latch for sr core0/1 scaler */
+		WRITE_VCBUS_REG_BITS(
+			SRSHARP0_SHARP_SYNC_CTRL, 1, 8, 1);
+		WRITE_VCBUS_REG_BITS(
+			SRSHARP1_SHARP_SYNC_CTRL, 1, 8, 1);
+	}
+	if (is_meson_g12b_cpu())
+		WRITE_VCBUS_REG_BITS(
+			SRSHARP0_SHARP_SYNC_CTRL, 1, 8, 1);
 	return 0;
 }
 
diff --git a/include/linux/amlogic/media/registers/regs/vpp_regs.h b/include/linux/amlogic/media/registers/regs/vpp_regs.h
index c82b4bad29fe..7daba0912eb6 100644
--- a/include/linux/amlogic/media/registers/regs/vpp_regs.h
+++ b/include/linux/amlogic/media/registers/regs/vpp_regs.h
@@ -245,5 +245,8 @@
 #define OSD1_BLEND_SRC_CTRL 0x1dfd
 #define OSD2_BLEND_SRC_CTRL 0x1dfe
 
+/* after g12b */
+#define SRSHARP0_SHARP_SYNC_CTRL 0x3eb0
+#define SRSHARP1_SHARP_SYNC_CTRL 0x3fb0
 #endif