diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index 4a0bb243d14a..742dc87bd9c1 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -134,7 +134,6 @@ static struct platform_device anw6410_lcd_powerdev = {
 static struct s3c_fb_pd_win anw6410_fb_win0 = {
 	/* this is to ensure we use win0 */
 	.win_mode	= {
-		.pixclock	= 41094,
 		.left_margin	= 8,
 		.right_margin	= 13,
 		.upper_margin	= 7,
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index 187441a78dd5..fba90229f0df 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -128,7 +128,6 @@ static struct platform_device hmt_backlight_device = {
 
 static struct s3c_fb_pd_win hmt_fb_win0 = {
 	.win_mode	= {
-		.pixclock	= 41094,
 		.left_margin	= 8,
 		.right_margin	= 13,
 		.upper_margin	= 7,
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
index 1d0326ead90f..a065062ec2a4 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq5.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -134,8 +134,6 @@ static struct platform_device smartq5_buttons_device  = {
 
 static struct s3c_fb_pd_win smartq5_fb_win0 = {
 	.win_mode	= {
-		.pixclock	= 1000000000000ULL /
-				((40+1+216+800)*(10+1+35+480)*80),
 		.left_margin	= 40,
 		.right_margin	= 216,
 		.upper_margin	= 10,
@@ -144,6 +142,7 @@ static struct s3c_fb_pd_win smartq5_fb_win0 = {
 		.vsync_len	= 1,
 		.xres		= 800,
 		.yres		= 480,
+		.refresh	= 80,
 	},
 	.max_bpp	= 32,
 	.default_bpp	= 16,
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
index e0bc78ecb156..0ecf45137546 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq7.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -150,8 +150,6 @@ static struct platform_device smartq7_buttons_device  = {
 
 static struct s3c_fb_pd_win smartq7_fb_win0 = {
 	.win_mode	= {
-		.pixclock	= 1000000000000ULL /
-				((3+10+5+800)*(1+3+20+480)*80),
 		.left_margin	= 3,
 		.right_margin	= 5,
 		.upper_margin	= 1,
@@ -160,6 +158,7 @@ static struct s3c_fb_pd_win smartq7_fb_win0 = {
 		.vsync_len	= 3,
 		.xres		= 800,
 		.yres		= 480,
+		.refresh	= 80,
 	},
 	.max_bpp	= 32,
 	.default_bpp	= 16,
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index d9a03555f88b..0302fcc50b1f 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -141,7 +141,6 @@ static struct platform_device smdk6410_lcd_powerdev = {
 static struct s3c_fb_pd_win smdk6410_fb_win0 = {
 	/* this is to ensure we use win0 */
 	.win_mode	= {
-		.pixclock	= 41094,
 		.left_margin	= 8,
 		.right_margin	= 13,
 		.upper_margin	= 7,
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index af22f8202a07..117fbbada526 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -128,7 +128,6 @@ static struct platform_device smdkc100_lcd_powerdev = {
 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 	/* this is to ensure we use win0 */
 	.win_mode	= {
-		.pixclock = 1000000000000ULL / ((8+13+3+800)*(7+5+1+480)*80),
 		.left_margin	= 8,
 		.right_margin	= 13,
 		.upper_margin	= 7,
@@ -137,6 +136,7 @@ static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 		.vsync_len	= 1,
 		.xres		= 800,
 		.yres		= 480,
+		.refresh	= 80,
 	},
 	.max_bpp	= 32,
 	.default_bpp	= 16,
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 10bc76ec4025..881fe89eefd2 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -77,7 +77,6 @@ static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
 /* Frame Buffer */
 static struct s3c_fb_pd_win aquila_fb_win0 = {
 	.win_mode = {
-		.pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*60),
 		.left_margin = 16,
 		.right_margin = 16,
 		.upper_margin = 3,
@@ -93,7 +92,6 @@ static struct s3c_fb_pd_win aquila_fb_win0 = {
 
 static struct s3c_fb_pd_win aquila_fb_win1 = {
 	.win_mode = {
-		.pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*60),
 		.left_margin = 16,
 		.right_margin = 16,
 		.upper_margin = 3,