diff --git a/drivers/amlogic/media/video_sink/video.c b/drivers/amlogic/media/video_sink/video.c
index f90bcc91443c..d7916b8cc9a1 100644
--- a/drivers/amlogic/media/video_sink/video.c
+++ b/drivers/amlogic/media/video_sink/video.c
@@ -12122,13 +12122,13 @@ static int __init video_early_init(void)
 			DOLBY_PATH_CTRL, 0xf, 0, 6);
 		/* disable latch for sr core0/1 scaler */
 		WRITE_VCBUS_REG_BITS(
-			SRSHARP0_SHARP_SYNC_CTRL, 1, 8, 1);
+			SRSHARP0_SHARP_SYNC_CTRL, 1, 0, 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);
+			SRSHARP0_SHARP_SYNC_CTRL, 1, 0, 1);
 	return 0;
 }
 
diff --git a/drivers/amlogic/media/video_sink/vpp.c b/drivers/amlogic/media/video_sink/vpp.c
index a4ef9d394b86..33a014fb0cca 100644
--- a/drivers/amlogic/media/video_sink/vpp.c
+++ b/drivers/amlogic/media/video_sink/vpp.c
@@ -1614,11 +1614,16 @@ int vpp_set_super_scaler_regs(
 	int tmp_data = 0;
 	int tmp_data2 = 0;
 	unsigned int data_path_chose;
+	int sr_core0_max_width = SUPER_CORE0_WIDTH_MAX;
+
+	/* just work around for g12a not to disable sr core2 bit2 */
+	if (is_meson_g12a_cpu() && (reg_srscl0_vert_ratio == 0))
+		sr_core0_max_width = SUPER_CORE0_WIDTH_MAX << 1;
 
 	/* top config */
 	tmp_data = VSYNC_RD_MPEG_REG(VPP_SRSHARP0_CTRL);
 	if (sr0_sr1_refresh) {
-		if (reg_srscl0_hsize > SUPER_CORE0_WIDTH_MAX) {
+		if (reg_srscl0_hsize > sr_core0_max_width) {
 			if (((tmp_data >> 1) & 0x1) != 0)
 				VSYNC_WR_MPEG_REG_BITS(VPP_SRSHARP0_CTRL,
 					0, 1, 1);
@@ -1650,7 +1655,7 @@ int vpp_set_super_scaler_regs(
 				SRSHARP0_SHARP_SR2_CTRL + sr_reg_offt,
 				reg_srscl0_hori_ratio&0x1, 4, 1);
 
-		if (reg_srscl0_hsize > SUPER_CORE0_WIDTH_MAX) {
+		if (reg_srscl0_hsize > sr_core0_max_width) {
 			if (((tmp_data >> 2) & 0x1) != 0)
 				VSYNC_WR_MPEG_REG_BITS(
 					SRSHARP0_SHARP_SR2_CTRL + sr_reg_offt,