diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index 5f51a80..4c958b7 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -179,6 +179,7 @@
 	.bpp		= 4,
 	.left_margin	= 1 << (4 + 3),
 	.right_margin	= 8 << 3,
+	.hsync_len	= 48,
 	.upper_margin	= 0,
 	.lower_margin	= 0,
 
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 7b54f3c..e9c9df0 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -477,8 +477,10 @@
 		.yres		= 240,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.bpp		= 4,
 
@@ -497,8 +499,10 @@
 		.bpp		= 4,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -515,8 +519,10 @@
 		.bpp		= 4,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -533,8 +539,10 @@
 		.bpp		= 8,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -551,8 +559,10 @@
 		.bpp		= 8,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -569,8 +579,10 @@
 		.bpp		= 8,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -587,8 +599,10 @@
 		.bpp		= 16,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -605,8 +619,10 @@
 		.bpp		= 16,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
@@ -623,8 +639,10 @@
 		.bpp		= 16,
 		.left_margin	= 40,
 		.right_margin	= 20,
+		.hsync_len	= 88,
 		.upper_margin	= 30,
 		.lower_margin	= 32,
+		.vsync_len	= 3,
 
 		.lcdcon1	= 0x00000176,
 		.lcdcon2	= 0x1d77c7c2,
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 1c9d6c6..c0933b6c 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -158,8 +158,10 @@
 	.bpp =		16,
 	.left_margin =	20,
 	.right_margin =	8,
+	.hsync_len =	4,
 	.upper_margin =	8,
 	.lower_margin = 7,
+	.vsync_len =	1,
 };
 
 static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index 98fbca2..50c0939 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -125,8 +125,10 @@
 		.bpp		= 16,
 		.left_margin	= 44,
 		.right_margin	= 116,
+		.hsync_len	= 96,
 		.upper_margin	= 19,
 		.lower_margin	= 11,
+		.vsync_len	= 15,
 	},
 	{
 		/* Configuration for 480x640 toppoly TD028TTEC1 */
@@ -156,8 +158,10 @@
 		.bpp		= 16,
 		.left_margin	= 8,
 		.right_margin	= 24,
+		.hsync_len	= 8,
 		.upper_margin	= 2,
 		.lower_margin	= 4,
+		.vsync_len	= 2,
 	},
 	{
 		/* Config for 240x320 LCD */
@@ -187,8 +191,10 @@
 		.bpp		= 16,
 		.left_margin	= 13,
 		.right_margin	= 8,
+		.hsync_len	= 4,
 		.upper_margin	= 2,
 		.lower_margin	= 7,
+		.vsync_len	= 4,
 	},
 };