Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6 into fbdev-next

15 files changed, 391 insertions, 916 deletions

diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index b1f364745ca0..9138e517267c 100644
--- a/drivers/video/via/dvi.c
+++ b/drivers/video/via/dvi.c
@@ -172,30 +172,20 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len)
 }
 
 /* DVI Set Mode */
-void viafb_dvi_set_mode(struct VideoModeTable *mode, int mode_bpp,
-	int set_iga)
+void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga)
 {
-	struct VideoModeTable *rb_mode;
-	struct crt_mode_table *pDviTiming;
-	unsigned long desirePixelClock, maxPixelClock;
-	pDviTiming = mode->crtc;
-	desirePixelClock = pDviTiming->refresh_rate
-		* pDviTiming->crtc.hor_total * pDviTiming->crtc.ver_total
-		/ 1000000;
-	maxPixelClock = (unsigned long)viaparinfo->
-		tmds_setting_info->max_pixel_clock;
-
-	DEBUG_MSG(KERN_INFO "\nDVI_set_mode!!\n");
-
-	if ((maxPixelClock != 0) && (desirePixelClock > maxPixelClock)) {
-		rb_mode = viafb_get_rb_mode(mode->crtc[0].crtc.hor_addr,
-			mode->crtc[0].crtc.ver_addr);
-		if (rb_mode) {
-			mode = rb_mode;
-			pDviTiming = rb_mode->crtc;
-		}
+	struct fb_var_screeninfo dvi_var = *var;
+	struct crt_mode_table *rb_mode;
+	int maxPixelClock;
+
+	maxPixelClock = viaparinfo->shared->tmds_setting_info.max_pixel_clock;
+	if (maxPixelClock && PICOS2KHZ(var->pixclock) / 1000 > maxPixelClock) {
+		rb_mode = viafb_get_best_rb_mode(var->xres, var->yres, 60);
+		if (rb_mode)
+			viafb_fill_var_timing_info(&dvi_var, rb_mode);
 	}
-	viafb_fill_crtc_timing(pDviTiming, mode, mode_bpp / 8, set_iga);
+
+	viafb_fill_crtc_timing(&dvi_var, iga);
 }
 
 /* Sense DVI Connector */
diff --git a/drivers/video/via/dvi.h b/drivers/video/via/dvi.h
index f473dd010977..e2116aaf797a 100644
--- a/drivers/video/via/dvi.h
+++ b/drivers/video/via/dvi.h
@@ -59,7 +59,6 @@ void viafb_dvi_enable(void);
 bool __devinit viafb_tmds_trasmitter_identify(void);
 void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
 	struct tmds_setting_information *tmds_setting);
-void viafb_dvi_set_mode(struct VideoModeTable *videoMode, int mode_bpp,
-	int set_iga);
+void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga);
 
 #endif /* __DVI_H__ */
diff --git a/drivers/video/via/global.c b/drivers/video/via/global.c
index e10d8249534c..3102171c1674 100644
--- a/drivers/video/via/global.c
+++ b/drivers/video/via/global.c
@@ -35,6 +35,8 @@ int viafb_LCD_ON ;
 int viafb_LCD2_ON;
 int viafb_SAMM_ON;
 int viafb_dual_fb;
+unsigned int viafb_second_xres = 640;
+unsigned int viafb_second_yres = 480;
 int viafb_hotplug_Xres = 640;
 int viafb_hotplug_Yres = 480;
 int viafb_hotplug_bpp = 32;
diff --git a/drivers/video/via/global.h b/drivers/video/via/global.h
index ff969dc34593..275dbbbd6b81 100644
--- a/drivers/video/via/global.h
+++ b/drivers/video/via/global.h
@@ -67,6 +67,8 @@ extern int viafb_lcd_dsp_method;
 extern int viafb_lcd_mode;
 
 extern int viafb_CRT_ON;
+extern unsigned int viafb_second_xres;
+extern unsigned int viafb_second_yres;
 extern int viafb_hotplug_Xres;
 extern int viafb_hotplug_Yres;
 extern int viafb_hotplug_bpp;
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 47b13535ed2b..d5aaca9cfa7e 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -191,67 +191,6 @@ static struct fetch_count fetch_count_reg = {
 	{IGA2_FETCH_COUNT_REG_NUM, {{CR65, 0, 7}, {CR67, 2, 3} } }
 };
 
-static struct iga1_crtc_timing iga1_crtc_reg = {
-	/* IGA1 Horizontal Total */
-	{IGA1_HOR_TOTAL_REG_NUM, {{CR00, 0, 7}, {CR36, 3, 3} } },
-	/* IGA1 Horizontal Addressable Video */
-	{IGA1_HOR_ADDR_REG_NUM, {{CR01, 0, 7} } },
-	/* IGA1 Horizontal Blank Start */
-	{IGA1_HOR_BLANK_START_REG_NUM, {{CR02, 0, 7} } },
-	/* IGA1 Horizontal Blank End */
-	{IGA1_HOR_BLANK_END_REG_NUM,
-	 {{CR03, 0, 4}, {CR05, 7, 7}, {CR33, 5, 5} } },
-	/* IGA1 Horizontal Sync Start */
-	{IGA1_HOR_SYNC_START_REG_NUM, {{CR04, 0, 7}, {CR33, 4, 4} } },
-	/* IGA1 Horizontal Sync End */
-	{IGA1_HOR_SYNC_END_REG_NUM, {{CR05, 0, 4} } },
-	/* IGA1 Vertical Total */
-	{IGA1_VER_TOTAL_REG_NUM,
-	 {{CR06, 0, 7}, {CR07, 0, 0}, {CR07, 5, 5}, {CR35, 0, 0} } },
-	/* IGA1 Vertical Addressable Video */
-	{IGA1_VER_ADDR_REG_NUM,
-	 {{CR12, 0, 7}, {CR07, 1, 1}, {CR07, 6, 6}, {CR35, 2, 2} } },
-	/* IGA1 Vertical Blank Start */
-	{IGA1_VER_BLANK_START_REG_NUM,
-	 {{CR15, 0, 7}, {CR07, 3, 3}, {CR09, 5, 5}, {CR35, 3, 3} } },
-	/* IGA1 Vertical Blank End */
-	{IGA1_VER_BLANK_END_REG_NUM, {{CR16, 0, 7} } },
-	/* IGA1 Vertical Sync Start */
-	{IGA1_VER_SYNC_START_REG_NUM,
-	 {{CR10, 0, 7}, {CR07, 2, 2}, {CR07, 7, 7}, {CR35, 1, 1} } },
-	/* IGA1 Vertical Sync End */
-	{IGA1_VER_SYNC_END_REG_NUM, {{CR11, 0, 3} } }
-};
-
-static struct iga2_crtc_timing iga2_crtc_reg = {
-	/* IGA2 Horizontal Total */
-	{IGA2_HOR_TOTAL_REG_NUM, {{CR50, 0, 7}, {CR55, 0, 3} } },
-	/* IGA2 Horizontal Addressable Video */
-	{IGA2_HOR_ADDR_REG_NUM, {{CR51, 0, 7}, {CR55, 4, 6} } },
-	/* IGA2 Horizontal Blank Start */
-	{IGA2_HOR_BLANK_START_REG_NUM, {{CR52, 0, 7}, {CR54, 0, 2} } },
-	/* IGA2 Horizontal Blank End */
-	{IGA2_HOR_BLANK_END_REG_NUM,
-	 {{CR53, 0, 7}, {CR54, 3, 5}, {CR5D, 6, 6} } },
-	/* IGA2 Horizontal Sync Start */
-	{IGA2_HOR_SYNC_START_REG_NUM,
-	 {{CR56, 0, 7}, {CR54, 6, 7}, {CR5C, 7, 7}, {CR5D, 7, 7} } },
-	/* IGA2 Horizontal Sync End */
-	{IGA2_HOR_SYNC_END_REG_NUM, {{CR57, 0, 7}, {CR5C, 6, 6} } },
-	/* IGA2 Vertical Total */
-	{IGA2_VER_TOTAL_REG_NUM, {{CR58, 0, 7}, {CR5D, 0, 2} } },
-	/* IGA2 Vertical Addressable Video */
-	{IGA2_VER_ADDR_REG_NUM, {{CR59, 0, 7}, {CR5D, 3, 5} } },
-	/* IGA2 Vertical Blank Start */
-	{IGA2_VER_BLANK_START_REG_NUM, {{CR5A, 0, 7}, {CR5C, 0, 2} } },
-	/* IGA2 Vertical Blank End */
-	{IGA2_VER_BLANK_END_REG_NUM, {{CR5B, 0, 7}, {CR5C, 3, 5} } },
-	/* IGA2 Vertical Sync Start */
-	{IGA2_VER_SYNC_START_REG_NUM, {{CR5E, 0, 7}, {CR5F, 5, 7} } },
-	/* IGA2 Vertical Sync End */
-	{IGA2_VER_SYNC_END_REG_NUM, {{CR5F, 0, 4} } }
-};
-
 static struct rgbLUT palLUT_table[] = {
 	/* {R,G,B} */
 	/* Index 0x00~0x03 */
@@ -1528,302 +1467,40 @@ void viafb_set_vclock(u32 clk, int set_iga)
 	via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */
 }
 
-void viafb_load_crtc_timing(struct display_timing device_timing,
-	int set_iga)
+static struct display_timing var_to_timing(const struct fb_var_screeninfo *var)
 {
-	int i;
-	int viafb_load_reg_num = 0;
-	int reg_value = 0;
-	struct io_register *reg = NULL;
-
-	viafb_unlock_crt();
-
-	for (i = 0; i < 12; i++) {
-		if (set_iga == IGA1) {
-			switch (i) {
-			case H_TOTAL_INDEX:
-				reg_value =
-				    IGA1_HOR_TOTAL_FORMULA(device_timing.
-							   hor_total);
-				viafb_load_reg_num =
-					iga1_crtc_reg.hor_total.reg_num;
-				reg = iga1_crtc_reg.hor_total.reg;
-				break;
-			case H_ADDR_INDEX:
-				reg_value =
-				    IGA1_HOR_ADDR_FORMULA(device_timing.
-							  hor_addr);
-				viafb_load_reg_num =
-					iga1_crtc_reg.hor_addr.reg_num;
-				reg = iga1_crtc_reg.hor_addr.reg;
-				break;
-			case H_BLANK_START_INDEX:
-				reg_value =
-				    IGA1_HOR_BLANK_START_FORMULA
-				    (device_timing.hor_blank_start);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.hor_blank_start.reg_num;
-				reg = iga1_crtc_reg.hor_blank_start.reg;
-				break;
-			case H_BLANK_END_INDEX:
-				reg_value =
-				    IGA1_HOR_BLANK_END_FORMULA
-				    (device_timing.hor_blank_start,
-				     device_timing.hor_blank_end);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.hor_blank_end.reg_num;
-				reg = iga1_crtc_reg.hor_blank_end.reg;
-				break;
-			case H_SYNC_START_INDEX:
-				reg_value =
-				    IGA1_HOR_SYNC_START_FORMULA
-				    (device_timing.hor_sync_start);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.hor_sync_start.reg_num;
-				reg = iga1_crtc_reg.hor_sync_start.reg;
-				break;
-			case H_SYNC_END_INDEX:
-				reg_value =
-				    IGA1_HOR_SYNC_END_FORMULA
-				    (device_timing.hor_sync_start,
-				     device_timing.hor_sync_end);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.hor_sync_end.reg_num;
-				reg = iga1_crtc_reg.hor_sync_end.reg;
-				break;
-			case V_TOTAL_INDEX:
-				reg_value =
-				    IGA1_VER_TOTAL_FORMULA(device_timing.
-							   ver_total);
-				viafb_load_reg_num =
-					iga1_crtc_reg.ver_total.reg_num;
-				reg = iga1_crtc_reg.ver_total.reg;
-				break;
-			case V_ADDR_INDEX:
-				reg_value =
-				    IGA1_VER_ADDR_FORMULA(device_timing.
-							  ver_addr);
-				viafb_load_reg_num =
-					iga1_crtc_reg.ver_addr.reg_num;
-				reg = iga1_crtc_reg.ver_addr.reg;
-				break;
-			case V_BLANK_START_INDEX:
-				reg_value =
-				    IGA1_VER_BLANK_START_FORMULA
-				    (device_timing.ver_blank_start);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.ver_blank_start.reg_num;
-				reg = iga1_crtc_reg.ver_blank_start.reg;
-				break;
-			case V_BLANK_END_INDEX:
-				reg_value =
-				    IGA1_VER_BLANK_END_FORMULA
-				    (device_timing.ver_blank_start,
-				     device_timing.ver_blank_end);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.ver_blank_end.reg_num;
-				reg = iga1_crtc_reg.ver_blank_end.reg;
-				break;
-			case V_SYNC_START_INDEX:
-				reg_value =
-				    IGA1_VER_SYNC_START_FORMULA
-				    (device_timing.ver_sync_start);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.ver_sync_start.reg_num;
-				reg = iga1_crtc_reg.ver_sync_start.reg;
-				break;
-			case V_SYNC_END_INDEX:
-				reg_value =
-				    IGA1_VER_SYNC_END_FORMULA
-				    (device_timing.ver_sync_start,
-				     device_timing.ver_sync_end);
-				viafb_load_reg_num =
-				    iga1_crtc_reg.ver_sync_end.reg_num;
-				reg = iga1_crtc_reg.ver_sync_end.reg;
-				break;
-
-			}
-		}
-
-		if (set_iga == IGA2) {
-			switch (i) {
-			case H_TOTAL_INDEX:
-				reg_value =
-				    IGA2_HOR_TOTAL_FORMULA(device_timing.
-							   hor_total);
-				viafb_load_reg_num =
-					iga2_crtc_reg.hor_total.reg_num;
-				reg = iga2_crtc_reg.hor_total.reg;
-				break;
-			case H_ADDR_INDEX:
-				reg_value =
-				    IGA2_HOR_ADDR_FORMULA(device_timing.
-							  hor_addr);
-				viafb_load_reg_num =
-					iga2_crtc_reg.hor_addr.reg_num;
-				reg = iga2_crtc_reg.hor_addr.reg;
-				break;
-			case H_BLANK_START_INDEX:
-				reg_value =
-				    IGA2_HOR_BLANK_START_FORMULA
-				    (device_timing.hor_blank_start);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.hor_blank_start.reg_num;
-				reg = iga2_crtc_reg.hor_blank_start.reg;
-				break;
-			case H_BLANK_END_INDEX:
-				reg_value =
-				    IGA2_HOR_BLANK_END_FORMULA
-				    (device_timing.hor_blank_start,
-				     device_timing.hor_blank_end);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.hor_blank_end.reg_num;
-				reg = iga2_crtc_reg.hor_blank_end.reg;
-				break;
-			case H_SYNC_START_INDEX:
-				reg_value =
-				    IGA2_HOR_SYNC_START_FORMULA
-				    (device_timing.hor_sync_start);
-				if (UNICHROME_CN700 <=
-					viaparinfo->chip_info->gfx_chip_name)
-					viafb_load_reg_num =
-					    iga2_crtc_reg.hor_sync_start.
-					    reg_num;
-				else
-					viafb_load_reg_num = 3;
-				reg = iga2_crtc_reg.hor_sync_start.reg;
-				break;
-			case H_SYNC_END_INDEX:
-				reg_value =
-				    IGA2_HOR_SYNC_END_FORMULA
-				    (device_timing.hor_sync_start,
-				     device_timing.hor_sync_end);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.hor_sync_end.reg_num;
-				reg = iga2_crtc_reg.hor_sync_end.reg;
-				break;
-			case V_TOTAL_INDEX:
-				reg_value =
-				    IGA2_VER_TOTAL_FORMULA(device_timing.
-							   ver_total);
-				viafb_load_reg_num =
-					iga2_crtc_reg.ver_total.reg_num;
-				reg = iga2_crtc_reg.ver_total.reg;
-				break;
-			case V_ADDR_INDEX:
-				reg_value =
-				    IGA2_VER_ADDR_FORMULA(device_timing.
-							  ver_addr);
-				viafb_load_reg_num =
-					iga2_crtc_reg.ver_addr.reg_num;
-				reg = iga2_crtc_reg.ver_addr.reg;
-				break;
-			case V_BLANK_START_INDEX:
-				reg_value =
-				    IGA2_VER_BLANK_START_FORMULA
-				    (device_timing.ver_blank_start);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.ver_blank_start.reg_num;
-				reg = iga2_crtc_reg.ver_blank_start.reg;
-				break;
-			case V_BLANK_END_INDEX:
-				reg_value =
-				    IGA2_VER_BLANK_END_FORMULA
-				    (device_timing.ver_blank_start,
-				     device_timing.ver_blank_end);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.ver_blank_end.reg_num;
-				reg = iga2_crtc_reg.ver_blank_end.reg;
-				break;
-			case V_SYNC_START_INDEX:
-				reg_value =
-				    IGA2_VER_SYNC_START_FORMULA
-				    (device_timing.ver_sync_start);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.ver_sync_start.reg_num;
-				reg = iga2_crtc_reg.ver_sync_start.reg;
-				break;
-			case V_SYNC_END_INDEX:
-				reg_value =
-				    IGA2_VER_SYNC_END_FORMULA
-				    (device_timing.ver_sync_start,
-				     device_timing.ver_sync_end);
-				viafb_load_reg_num =
-				    iga2_crtc_reg.ver_sync_end.reg_num;
-				reg = iga2_crtc_reg.ver_sync_end.reg;
-				break;
-
-			}
-		}
-		viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
-	}
-
-	viafb_lock_crt();
+	struct display_timing timing;
+
+	timing.hor_addr = var->xres;
+	timing.hor_sync_start = timing.hor_addr + var->right_margin;
+	timing.hor_sync_end = timing.hor_sync_start + var->hsync_len;
+	timing.hor_total = timing.hor_sync_end + var->left_margin;
+	timing.hor_blank_start = timing.hor_addr;
+	timing.hor_blank_end = timing.hor_total;
+	timing.ver_addr = var->yres;
+	timing.ver_sync_start = timing.ver_addr + var->lower_margin;
+	timing.ver_sync_end = timing.ver_sync_start + var->vsync_len;
+	timing.ver_total = timing.ver_sync_end + var->upper_margin;
+	timing.ver_blank_start = timing.ver_addr;
+	timing.ver_blank_end = timing.ver_total;
+	return timing;
 }
 
-void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
-	struct VideoModeTable *video_mode, int bpp_byte, int set_iga)
+void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga)
 {
-	struct display_timing crt_reg;
-	int i;
-	int index = 0;
-	int h_addr, v_addr;
-	u32 clock, refresh = viafb_refresh;
-
-	if (viafb_SAMM_ON && set_iga == IGA2)
-		refresh = viafb_refresh1;
-
-	for (i = 0; i < video_mode->mode_array; i++) {
-		index = i;
-
-		if (crt_table[i].refresh_rate == refresh)
-			break;
-	}
+	struct display_timing crt_reg = var_to_timing(var);
 
-	crt_reg = crt_table[index].crtc;
+	if (iga == IGA1)
+		via_set_primary_timing(&crt_reg);
+	else if (iga == IGA2)
+		via_set_secondary_timing(&crt_reg);
 
-	/* Mode 640x480 has border, but LCD/DFP didn't have border. */
-	/* So we would delete border. */
-	if ((viafb_LCD_ON | viafb_DVI_ON)
-	    && video_mode->crtc[0].crtc.hor_addr == 640
-	    && video_mode->crtc[0].crtc.ver_addr == 480
-	    && refresh == 60) {
-		/* The border is 8 pixels. */
-		crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
-
-		/* Blanking time should add left and right borders. */
-		crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16;
-	}
-
-	h_addr = crt_reg.hor_addr;
-	v_addr = crt_reg.ver_addr;
-	if (set_iga == IGA1) {
-		viafb_unlock_crt();
-		viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
-	}
-
-	switch (set_iga) {
-	case IGA1:
-		viafb_load_crtc_timing(crt_reg, IGA1);
-		break;
-	case IGA2:
-		viafb_load_crtc_timing(crt_reg, IGA2);
-		break;
-	}
-
-	viafb_lock_crt();
-	viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
-	viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
-
-	/* load FIFO */
-	if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
-	    && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
-		viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
-
-	clock = crt_reg.hor_total * crt_reg.ver_total
-		* crt_table[index].refresh_rate;
-	viafb_set_vclock(clock, set_iga);
+	viafb_load_fetch_count_reg(var->xres, var->bits_per_pixel / 8, iga);
+	if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266
+		&& viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400)
+		viafb_load_FIFO_reg(iga, var->xres, var->yres);
 
+	viafb_set_vclock(PICOS2KHZ(var->pixclock) * 1000, iga);
 }
 
 void __devinit viafb_init_chip_info(int chip_type)
@@ -2092,23 +1769,9 @@ static u8 get_sync(struct fb_info *info)
 	return polarity;
 }
 
-int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
-	struct VideoModeTable *vmode_tbl1, int video_bpp1)
+static void hw_init(void)
 {
-	int i, j;
-	int port;
-	u32 devices = viaparinfo->shared->iga1_devices
-		| viaparinfo->shared->iga2_devices;
-	u8 value, index, mask;
-	struct crt_mode_table *crt_timing;
-	struct crt_mode_table *crt_timing1 = NULL;
-
-	device_screen_off();
-	crt_timing = vmode_tbl->crtc;
-
-	if (viafb_SAMM_ON == 1) {
-		crt_timing1 = vmode_tbl1->crtc;
-	}
+	int i;
 
 	inb(VIAStatus);
 	outb(0x00, VIAAR);
@@ -2147,9 +1810,8 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 		break;
 	}
 
+	/* probably this should go to the scaling code one day */
 	viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters));
-	device_off();
-	via_set_state(devices, VIA_STATE_OFF);
 
 	/* Fill VPIT Parameters */
 	/* Write Misc Register */
@@ -2175,12 +1837,29 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 	inb(VIAStatus);
 	outb(0x20, VIAAR);
 
+	load_fix_bit_crtc_reg();
+}
+
+int viafb_setmode(int video_bpp, int video_bpp1)
+{
+	int j;
+	int port;
+	u32 devices = viaparinfo->shared->iga1_devices
+		| viaparinfo->shared->iga2_devices;
+	u8 value, index, mask;
+	struct fb_var_screeninfo var2;
+
+	device_screen_off();
+	device_off();
+	via_set_state(devices, VIA_STATE_OFF);
+
+	hw_init();
+
 	/* Update Patch Register */
 
 	if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266
-	    || viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
-	    && vmode_tbl->crtc[0].crtc.hor_addr == 1024
-	    && vmode_tbl->crtc[0].crtc.ver_addr == 768) {
+		|| viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
+		&& viafbinfo->var.xres == 1024 && viafbinfo->var.yres == 768) {
 		for (j = 0; j < res_patch_table[0].table_length; j++) {
 			index = res_patch_table[0].io_reg_table[j].index;
 			port = res_patch_table[0].io_reg_table[j].port;
@@ -2190,7 +1869,6 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 		}
 	}
 
-	load_fix_bit_crtc_reg();
 	via_set_primary_pitch(viafbinfo->fix.line_length);
 	via_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
 		: viafbinfo->fix.line_length);
@@ -2208,23 +1886,28 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 
 	/* Clear On Screen */
 
+	if (viafb_dual_fb) {
+		var2 = viafbinfo1->var;
+	} else if (viafb_SAMM_ON) {
+		viafb_fill_var_timing_info(&var2, viafb_get_best_mode(
+			viafb_second_xres, viafb_second_yres, viafb_refresh1));
+		var2.bits_per_pixel = viafbinfo->var.bits_per_pixel;
+	}
+
 	/* CRT set mode */
 	if (viafb_CRT_ON) {
-		if (viafb_SAMM_ON &&
-			viaparinfo->shared->iga2_devices & VIA_CRT) {
-			viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
-				video_bpp1 / 8, IGA2);
-		} else {
-			viafb_fill_crtc_timing(crt_timing, vmode_tbl,
-				video_bpp / 8,
+		if (viaparinfo->shared->iga2_devices & VIA_CRT
+			&& viafb_SAMM_ON)
+			viafb_fill_crtc_timing(&var2, IGA2);
+		else
+			viafb_fill_crtc_timing(&viafbinfo->var,
 				(viaparinfo->shared->iga1_devices & VIA_CRT)
 				? IGA1 : IGA2);
-		}
 
 		/* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
 		to 8 alignment (1368),there is several pixels (2 pixels)
 		on right side of screen. */
-		if (vmode_tbl->crtc[0].crtc.hor_addr % 8) {
+		if (viafbinfo->var.xres % 8) {
 			viafb_unlock_crt();
 			viafb_write_reg(CR02, VIACR,
 				viafb_read_reg(VIACR, CR02) - 1);
@@ -2233,31 +1916,20 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 	}
 
 	if (viafb_DVI_ON) {
-		if (viafb_SAMM_ON &&
-			(viaparinfo->tmds_setting_info->iga_path == IGA2)) {
-			viafb_dvi_set_mode(viafb_get_mode
-				     (viaparinfo->tmds_setting_info->h_active,
-				      viaparinfo->tmds_setting_info->
-				      v_active),
-				     video_bpp1, viaparinfo->
-				     tmds_setting_info->iga_path);
-		} else {
-			viafb_dvi_set_mode(viafb_get_mode
-				     (viaparinfo->tmds_setting_info->h_active,
-				      viaparinfo->
-				      tmds_setting_info->v_active),
-				     video_bpp, viaparinfo->
-				     tmds_setting_info->iga_path);
-		}
+		if (viaparinfo->shared->tmds_setting_info.iga_path == IGA2
+			&& viafb_SAMM_ON)
+			viafb_dvi_set_mode(&var2, IGA2);
+		else
+			viafb_dvi_set_mode(&viafbinfo->var,
+				viaparinfo->tmds_setting_info->iga_path);
 	}
 
 	if (viafb_LCD_ON) {
 		if (viafb_SAMM_ON &&
 			(viaparinfo->lvds_setting_info->iga_path == IGA2)) {
 			viaparinfo->lvds_setting_info->bpp = video_bpp1;
-			viafb_lcd_set_mode(crt_timing1, viaparinfo->
-				lvds_setting_info,
-				     &viaparinfo->chip_info->lvds_chip_info);
+			viafb_lcd_set_mode(viaparinfo->lvds_setting_info,
+				&viaparinfo->chip_info->lvds_chip_info);
 		} else {
 			/* IGA1 doesn't have LCD scaling, so set it center. */
 			if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
@@ -2265,18 +1937,16 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 				    LCD_CENTERING;
 			}
 			viaparinfo->lvds_setting_info->bpp = video_bpp;
-			viafb_lcd_set_mode(crt_timing, viaparinfo->
-				lvds_setting_info,
-				     &viaparinfo->chip_info->lvds_chip_info);
+			viafb_lcd_set_mode(viaparinfo->lvds_setting_info,
+				&viaparinfo->chip_info->lvds_chip_info);
 		}
 	}
 	if (viafb_LCD2_ON) {
 		if (viafb_SAMM_ON &&
 			(viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
 			viaparinfo->lvds_setting_info2->bpp = video_bpp1;
-			viafb_lcd_set_mode(crt_timing1, viaparinfo->
-				lvds_setting_info2,
-				     &viaparinfo->chip_info->lvds_chip_info2);
+			viafb_lcd_set_mode(viaparinfo->lvds_setting_info2,
+				&viaparinfo->chip_info->lvds_chip_info2);
 		} else {
 			/* IGA1 doesn't have LCD scaling, so set it center. */
 			if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
@@ -2284,9 +1954,8 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 				    LCD_CENTERING;
 			}
 			viaparinfo->lvds_setting_info2->bpp = video_bpp;
-			viafb_lcd_set_mode(crt_timing, viaparinfo->
-				lvds_setting_info2,
-				     &viaparinfo->chip_info->lvds_chip_info2);
+			viafb_lcd_set_mode(viaparinfo->lvds_setting_info2,
+				&viaparinfo->chip_info->lvds_chip_info2);
 		}
 	}
 
@@ -2296,8 +1965,8 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 
 	/* If set mode normally, save resolution information for hot-plug . */
 	if (!viafb_hotplug) {
-		viafb_hotplug_Xres = vmode_tbl->crtc[0].crtc.hor_addr;
-		viafb_hotplug_Yres = vmode_tbl->crtc[0].crtc.ver_addr;
+		viafb_hotplug_Xres = viafbinfo->var.xres;
+		viafb_hotplug_Yres = viafbinfo->var.yres;
 		viafb_hotplug_bpp = video_bpp;
 		viafb_hotplug_refresh = viafb_refresh;
 
@@ -2348,42 +2017,14 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 	return 1;
 }
 
-int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
-{
-	int i;
-	struct crt_mode_table *best;
-	struct VideoModeTable *vmode = viafb_get_mode(hres, vres);
-
-	if (!vmode)
-		return RES_640X480_60HZ_PIXCLOCK;
-
-	best = &vmode->crtc[0];
-	for (i = 1; i < vmode->mode_array; i++) {
-		if (abs(vmode->crtc[i].refresh_rate - vmode_refresh)
-			< abs(best->refresh_rate - vmode_refresh))
-			best = &vmode->crtc[i];
-	}
-
-	return 1000000000 / (best->crtc.hor_total * best->crtc.ver_total)
-		* 1000 / best->refresh_rate;
-}
-
 int viafb_get_refresh(int hres, int vres, u32 long_refresh)
 {
-	int i;
 	struct crt_mode_table *best;
-	struct VideoModeTable *vmode = viafb_get_mode(hres, vres);
 
-	if (!vmode)
+	best = viafb_get_best_mode(hres, vres, long_refresh);
+	if (!best)
 		return 60;
 
-	best = &vmode->crtc[0];
-	for (i = 1; i < vmode->mode_array; i++) {
-		if (abs(vmode->crtc[i].refresh_rate - long_refresh)
-			< abs(best->refresh_rate - long_refresh))
-			best = &vmode->crtc[i];
-	}
-
 	if (abs(best->refresh_rate - long_refresh) > 3) {
 		if (hres == 1200 && vres == 900)
 			return 49; /* OLPC DCON only supports 50 Hz */
@@ -2485,21 +2126,14 @@ void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
 }
 
 /*According var's xres, yres fill var's other timing information*/
-void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
-	struct VideoModeTable *vmode_tbl)
+void viafb_fill_var_timing_info(struct fb_var_screeninfo *var,
+	struct crt_mode_table *mode)
 {
-	struct crt_mode_table *crt_timing = NULL;
 	struct display_timing crt_reg;
-	int i = 0, index = 0;
-	crt_timing = vmode_tbl->crtc;
-	for (i = 0; i < vmode_tbl->mode_array; i++) {
-		index = i;
-		if (crt_timing[i].refresh_rate == refresh)
-			break;
-	}
 
-	crt_reg = crt_timing[index].crtc;
-	var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
+	crt_reg = mode->crtc;
+	var->pixclock = 1000000000 / (crt_reg.hor_total * crt_reg.ver_total)
+		* 1000 / mode->refresh_rate;
 	var->left_margin =
 	    crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
 	var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr;
@@ -2509,8 +2143,8 @@ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
 	var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr;
 	var->vsync_len = crt_reg.ver_sync_end;
 	var->sync = 0;
-	if (crt_timing[index].h_sync_polarity == POSITIVE)
+	if (mode->h_sync_polarity == POSITIVE)
 		var->sync |= FB_SYNC_HOR_HIGH_ACT;
-	if (crt_timing[index].v_sync_polarity == POSITIVE)
+	if (mode->v_sync_polarity == POSITIVE)
 		var->sync |= FB_SYNC_VERT_HIGH_ACT;
 }
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index c7239eb83bae..4db5b6e8d8d0 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -51,40 +51,6 @@
 #define VIA_HSYNC_NEGATIVE	0x01
 #define VIA_VSYNC_NEGATIVE	0x02
 
-/***************************************************
-* Definition IGA1 Design Method of CRTC Registers *
-****************************************************/
-#define IGA1_HOR_TOTAL_FORMULA(x)           (((x)/8)-5)
-#define IGA1_HOR_ADDR_FORMULA(x)            (((x)/8)-1)
-#define IGA1_HOR_BLANK_START_FORMULA(x)     (((x)/8)-1)
-#define IGA1_HOR_BLANK_END_FORMULA(x, y)     (((x+y)/8)-1)
-#define IGA1_HOR_SYNC_START_FORMULA(x)      ((x)/8)
-#define IGA1_HOR_SYNC_END_FORMULA(x, y)      ((x+y)/8)
-
-#define IGA1_VER_TOTAL_FORMULA(x)           ((x)-2)
-#define IGA1_VER_ADDR_FORMULA(x)            ((x)-1)
-#define IGA1_VER_BLANK_START_FORMULA(x)     ((x)-1)
-#define IGA1_VER_BLANK_END_FORMULA(x, y)     ((x+y)-1)
-#define IGA1_VER_SYNC_START_FORMULA(x)      ((x)-1)
-#define IGA1_VER_SYNC_END_FORMULA(x, y)      ((x+y)-1)
-
-/***************************************************
-** Definition IGA2 Design Method of CRTC Registers *
-****************************************************/
-#define IGA2_HOR_TOTAL_FORMULA(x)           ((x)-1)
-#define IGA2_HOR_ADDR_FORMULA(x)            ((x)-1)
-#define IGA2_HOR_BLANK_START_FORMULA(x)     ((x)-1)
-#define IGA2_HOR_BLANK_END_FORMULA(x, y)     ((x+y)-1)
-#define IGA2_HOR_SYNC_START_FORMULA(x)      ((x)-1)
-#define IGA2_HOR_SYNC_END_FORMULA(x, y)      ((x+y)-1)
-
-#define IGA2_VER_TOTAL_FORMULA(x)           ((x)-1)
-#define IGA2_VER_ADDR_FORMULA(x)            ((x)-1)
-#define IGA2_VER_BLANK_START_FORMULA(x)     ((x)-1)
-#define IGA2_VER_BLANK_END_FORMULA(x, y)     ((x+y)-1)
-#define IGA2_VER_SYNC_START_FORMULA(x)      ((x)-1)
-#define IGA2_VER_SYNC_END_FORMULA(x, y)      ((x+y)-1)
-
 /**********************************************************/
 /* Definition IGA2 Design Method of CRTC Shadow Registers */
 /**********************************************************/
@@ -97,33 +63,6 @@
 #define IGA2_VER_SYNC_START_SHADOW_FORMULA(x)      (x)
 #define IGA2_VER_SYNC_END_SHADOW_FORMULA(x, y)      (x+y)
 
-/* Define Register Number for IGA1 CRTC Timing */
-
-/* location: {CR00,0,7},{CR36,3,3} */
-#define IGA1_HOR_TOTAL_REG_NUM		2
-/* location: {CR01,0,7} */
-#define IGA1_HOR_ADDR_REG_NUM		1
-/* location: {CR02,0,7} */
-#define IGA1_HOR_BLANK_START_REG_NUM    1
-/* location: {CR03,0,4},{CR05,7,7},{CR33,5,5} */
-#define IGA1_HOR_BLANK_END_REG_NUM	3
-/* location: {CR04,0,7},{CR33,4,4} */
-#define IGA1_HOR_SYNC_START_REG_NUM	2
-/* location: {CR05,0,4} */
-#define IGA1_HOR_SYNC_END_REG_NUM       1
-/* location: {CR06,0,7},{CR07,0,0},{CR07,5,5},{CR35,0,0} */
-#define IGA1_VER_TOTAL_REG_NUM          4
-/* location: {CR12,0,7},{CR07,1,1},{CR07,6,6},{CR35,2,2} */
-#define IGA1_VER_ADDR_REG_NUM           4
-/* location: {CR15,0,7},{CR07,3,3},{CR09,5,5},{CR35,3,3} */
-#define IGA1_VER_BLANK_START_REG_NUM    4
-/* location: {CR16,0,7} */
-#define IGA1_VER_BLANK_END_REG_NUM      1
-/* location: {CR10,0,7},{CR07,2,2},{CR07,7,7},{CR35,1,1} */
-#define IGA1_VER_SYNC_START_REG_NUM     4
-/* location: {CR11,0,3} */
-#define IGA1_VER_SYNC_END_REG_NUM       1
-
 /* Define Register Number for IGA2 Shadow CRTC Timing */
 
 /* location: {CR6D,0,7},{CR71,3,3} */
@@ -143,37 +82,6 @@
 /* location: {CR76,0,3} */
 #define IGA2_SHADOW_VER_SYNC_END_REG_NUM    1
 
-/* Define Register Number for IGA2 CRTC Timing */
-
-/* location: {CR50,0,7},{CR55,0,3} */
-#define IGA2_HOR_TOTAL_REG_NUM          2
-/* location: {CR51,0,7},{CR55,4,6} */
-#define IGA2_HOR_ADDR_REG_NUM           2
-/* location: {CR52,0,7},{CR54,0,2} */
-#define IGA2_HOR_BLANK_START_REG_NUM    2
-/* location: CLE266: {CR53,0,7},{CR54,3,5} => CLE266's CR5D[6]
-is reserved, so it may have problem to set 1600x1200 on IGA2. */
-/*         	Others: {CR53,0,7},{CR54,3,5},{CR5D,6,6} */
-#define IGA2_HOR_BLANK_END_REG_NUM      3
-/* location: {CR56,0,7},{CR54,6,7},{CR5C,7,7} */
-/* VT3314 and Later: {CR56,0,7},{CR54,6,7},{CR5C,7,7}, {CR5D,7,7} */
-#define IGA2_HOR_SYNC_START_REG_NUM     4
-
-/* location: {CR57,0,7},{CR5C,6,6} */
-#define IGA2_HOR_SYNC_END_REG_NUM       2
-/* location: {CR58,0,7},{CR5D,0,2} */
-#define IGA2_VER_TOTAL_REG_NUM          2
-/* location: {CR59,0,7},{CR5D,3,5} */
-#define IGA2_VER_ADDR_REG_NUM           2
-/* location: {CR5A,0,7},{CR5C,0,2} */
-#define IGA2_VER_BLANK_START_REG_NUM    2
-/* location: {CR5E,0,7},{CR5C,3,5} */
-#define IGA2_VER_BLANK_END_REG_NUM      2
-/* location: {CR5E,0,7},{CR5F,5,7} */
-#define IGA2_VER_SYNC_START_REG_NUM     2
-/* location: {CR5F,0,4} */
-#define IGA2_VER_SYNC_END_REG_NUM       1
-
 /* Define Fetch Count Register*/
 
 /* location: {SR1C,0,7},{SR1D,0,1} */
@@ -446,87 +354,12 @@ is reserved, so it may have problem to set 1600x1200 on IGA2. */
 /* location: {CR78,0,7},{CR79,6,7} */
 #define LCD_VER_SCALING_FACTOR_REG_NUM_CLE  2
 
-/************************************************
- *****     Define IGA1 Display Timing       *****
- ************************************************/
 struct io_register {
 	u8 io_addr;
 	u8 start_bit;
 	u8 end_bit;
 };
 
-/* IGA1 Horizontal Total */
-struct iga1_hor_total {
-	int reg_num;
-	struct io_register reg[IGA1_HOR_TOTAL_REG_NUM];
-};
-
-/* IGA1 Horizontal Addressable Video */
-struct iga1_hor_addr {
-	int reg_num;
-	struct io_register reg[IGA1_HOR_ADDR_REG_NUM];
-};
-
-/* IGA1 Horizontal Blank Start */
-struct iga1_hor_blank_start {
-	int reg_num;
-	struct io_register reg[IGA1_HOR_BLANK_START_REG_NUM];
-};
-
-/* IGA1 Horizontal Blank End */
-struct iga1_hor_blank_end {
-	int reg_num;
-	struct io_register reg[IGA1_HOR_BLANK_END_REG_NUM];
-};
-
-/* IGA1 Horizontal Sync Start */
-struct iga1_hor_sync_start {
-	int reg_num;
-	struct io_register reg[IGA1_HOR_SYNC_START_REG_NUM];
-};
-
-/* IGA1 Horizontal Sync End */
-struct iga1_hor_sync_end {
-	int reg_num;
-	struct io_register reg[IGA1_HOR_SYNC_END_REG_NUM];
-};
-
-/* IGA1 Vertical Total */
-struct iga1_ver_total {
-	int reg_num;
-	struct io_register reg[IGA1_VER_TOTAL_REG_NUM];
-};
-
-/* IGA1 Vertical Addressable Video */
-struct iga1_ver_addr {
-	int reg_num;
-	struct io_register reg[IGA1_VER_ADDR_REG_NUM];
-};
-
-/* IGA1 Vertical Blank Start */
-struct iga1_ver_blank_start {
-	int reg_num;
-	struct io_register reg[IGA1_VER_BLANK_START_REG_NUM];
-};
-
-/* IGA1 Vertical Blank End */
-struct iga1_ver_blank_end {
-	int reg_num;
-	struct io_register reg[IGA1_VER_BLANK_END_REG_NUM];
-};
-
-/* IGA1 Vertical Sync Start */
-struct iga1_ver_sync_start {
-	int reg_num;
-	struct io_register reg[IGA1_VER_SYNC_START_REG_NUM];
-};
-
-/* IGA1 Vertical Sync End */
-struct iga1_ver_sync_end {
-	int reg_num;
-	struct io_register reg[IGA1_VER_SYNC_END_REG_NUM];
-};
-
 /*****************************************************
 **      Define IGA2 Shadow Display Timing         ****
 *****************************************************/
@@ -579,82 +412,6 @@ struct iga2_shadow_ver_sync_end {
 	struct io_register reg[IGA2_SHADOW_VER_SYNC_END_REG_NUM];
 };
 
-/*****************************************************
-**      Define IGA2 Display Timing                ****
-******************************************************/
-
-/* IGA2 Horizontal Total */
-struct iga2_hor_total {
-	int reg_num;
-	struct io_register reg[IGA2_HOR_TOTAL_REG_NUM];
-};
-
-/* IGA2 Horizontal Addressable Video */
-struct iga2_hor_addr {
-	int reg_num;
-	struct io_register reg[IGA2_HOR_ADDR_REG_NUM];
-};
-
-/* IGA2 Horizontal Blank Start */
-struct iga2_hor_blank_start {
-	int reg_num;
-	struct io_register reg[IGA2_HOR_BLANK_START_REG_NUM];
-};
-
-/* IGA2 Horizontal Blank End */
-struct iga2_hor_blank_end {
-	int reg_num;
-	struct io_register reg[IGA2_HOR_BLANK_END_REG_NUM];
-};
-
-/* IGA2 Horizontal Sync Start */
-struct iga2_hor_sync_start {
-	int reg_num;
-	struct io_register reg[IGA2_HOR_SYNC_START_REG_NUM];
-};
-
-/* IGA2 Horizontal Sync End */
-struct iga2_hor_sync_end {
-	int reg_num;
-	struct io_register reg[IGA2_HOR_SYNC_END_REG_NUM];
-};
-
-/* IGA2 Vertical Total */
-struct iga2_ver_total {
-	int reg_num;
-	struct io_register reg[IGA2_VER_TOTAL_REG_NUM];
-};
-
-/* IGA2 Vertical Addressable Video */
-struct iga2_ver_addr {
-	int reg_num;
-	struct io_register reg[IGA2_VER_ADDR_REG_NUM];
-};
-
-/* IGA2 Vertical Blank Start */
-struct iga2_ver_blank_start {
-	int reg_num;
-	struct io_register reg[IGA2_VER_BLANK_START_REG_NUM];
-};
-
-/* IGA2 Vertical Blank End */
-struct iga2_ver_blank_end {
-	int reg_num;
-	struct io_register reg[IGA2_VER_BLANK_END_REG_NUM];
-};
-
-/* IGA2 Vertical Sync Start */
-struct iga2_ver_sync_start {
-	int reg_num;
-	struct io_register reg[IGA2_VER_SYNC_START_REG_NUM];
-};
-
-/* IGA2 Vertical Sync End */
-struct iga2_ver_sync_end {
-	int reg_num;
-	struct io_register reg[IGA2_VER_SYNC_END_REG_NUM];
-};
-
 /* IGA1 Fetch Count Register */
 struct iga1_fetch_count {
 	int reg_num;
@@ -817,21 +574,6 @@ struct display_queue_expire_num {
 	 iga2_display_queue_expire_num_reg;
 };
 
-struct iga1_crtc_timing {
-	struct iga1_hor_total hor_total;
-	struct iga1_hor_addr hor_addr;
-	struct iga1_hor_blank_start hor_blank_start;
-	struct iga1_hor_blank_end hor_blank_end;
-	struct iga1_hor_sync_start hor_sync_start;
-	struct iga1_hor_sync_end hor_sync_end;
-	struct iga1_ver_total ver_total;
-	struct iga1_ver_addr ver_addr;
-	struct iga1_ver_blank_start ver_blank_start;
-	struct iga1_ver_blank_end ver_blank_end;
-	struct iga1_ver_sync_start ver_sync_start;
-	struct iga1_ver_sync_end ver_sync_end;
-};
-
 struct iga2_shadow_crtc_timing {
 	struct iga2_shadow_hor_total hor_total_shadow;
 	struct iga2_shadow_hor_blank_end hor_blank_end_shadow;
@@ -843,21 +585,6 @@ struct iga2_shadow_crtc_timing {
 	struct iga2_shadow_ver_sync_end ver_sync_end_shadow;
 };
 
-struct iga2_crtc_timing {
-	struct iga2_hor_total hor_total;
-	struct iga2_hor_addr hor_addr;
-	struct iga2_hor_blank_start hor_blank_start;
-	struct iga2_hor_blank_end hor_blank_end;
-	struct iga2_hor_sync_start hor_sync_start;
-	struct iga2_hor_sync_end hor_sync_end;
-	struct iga2_ver_total ver_total;
-	struct iga2_ver_addr ver_addr;
-	struct iga2_ver_blank_start ver_blank_start;
-	struct iga2_ver_blank_end ver_blank_end;
-	struct iga2_ver_sync_start ver_sync_start;
-	struct iga2_ver_sync_end ver_sync_end;
-};
-
 /* device ID */
 #define CLE266_FUNCTION3    0x3123
 #define KM400_FUNCTION3     0x3205
@@ -910,9 +637,7 @@ extern int viafb_LCD_ON;
 extern int viafb_DVI_ON;
 extern int viafb_hotplug;
 
-void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
-	struct VideoModeTable *video_mode, int bpp_byte, int set_iga);
-
+void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga);
 void viafb_set_vclock(u32 CLK, int set_iga);
 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
 	struct io_register *reg,
@@ -932,13 +657,11 @@ void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active);
 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
 					*p_gfx_dpa_setting);
 
-int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
-	struct VideoModeTable *vmode_tbl1, int video_bpp1);
-void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
-	struct VideoModeTable *vmode_tbl);
+int viafb_setmode(int video_bpp, int video_bpp1);
+void viafb_fill_var_timing_info(struct fb_var_screeninfo *var,
+	struct crt_mode_table *mode);
 void __devinit viafb_init_chip_info(int chip_type);
 void __devinit viafb_init_dac(int set_iga);
-int viafb_get_pixclock(int hres, int vres, int vmode_refresh);
 int viafb_get_refresh(int hres, int vres, u32 float_refresh);
 void viafb_update_device_setting(int hres, int vres, int bpp, int flag);
 
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 6e06981d638b..5f3b4e394e82 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -548,9 +548,8 @@ static void lcd_patch_skew(struct lvds_setting_information
 }
 
 /* LCD Set Mode */
-void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
-		  struct lvds_setting_information *plvds_setting_info,
-		  struct lvds_chip_information *plvds_chip_info)
+void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info,
+	struct lvds_chip_information *plvds_chip_info)
 {
 	int set_iga = plvds_setting_info->iga_path;
 	int mode_bpp = plvds_setting_info->bpp;
@@ -559,16 +558,15 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
 	int panel_hres = plvds_setting_info->lcd_panel_hres;
 	int panel_vres = plvds_setting_info->lcd_panel_vres;
 	u32 clock;
-	struct display_timing mode_crt_reg, panel_crt_reg;
-	struct crt_mode_table *panel_crt_table = NULL;
-	struct VideoModeTable *vmode_tbl = viafb_get_mode(panel_hres,
-		panel_vres);
+	struct display_timing mode_crt_reg, panel_crt_reg, timing;
+	struct crt_mode_table *mode_crt_table, *panel_crt_table;
 
 	DEBUG_MSG(KERN_INFO "viafb_lcd_set_mode!!\n");
 	/* Get mode table */
+	mode_crt_table = viafb_get_best_mode(set_hres, set_vres, 60);
 	mode_crt_reg = mode_crt_table->crtc;
 	/* Get panel table Pointer */
-	panel_crt_table = vmode_tbl->crtc;
+	panel_crt_table = viafb_get_best_mode(panel_hres, panel_vres, 60);
 	panel_crt_reg = panel_crt_table->crtc;
 	DEBUG_MSG(KERN_INFO "bellow viafb_lcd_set_mode!!\n");
 	if (VT1636_LVDS == plvds_chip_info->lvds_chip_name)
@@ -576,31 +574,28 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
 	clock = panel_crt_reg.hor_total * panel_crt_reg.ver_total
 		* panel_crt_table->refresh_rate;
 	plvds_setting_info->vclk = clock;
-	if (set_iga == IGA1) {
-		/* IGA1 doesn't have LCD scaling, so set it as centering. */
-		viafb_load_crtc_timing(lcd_centering_timging
-				 (mode_crt_reg, panel_crt_reg), IGA1);
+
+	if (set_iga == IGA2 && (set_hres < panel_hres || set_vres < panel_vres)
+		&& plvds_setting_info->display_method == LCD_EXPANDSION) {
+		timing = panel_crt_reg;
+		load_lcd_scaling(set_hres, set_vres, panel_hres, panel_vres);
 	} else {
-		/* Expansion */
-		if (plvds_setting_info->display_method == LCD_EXPANDSION
-			&& (set_hres < panel_hres || set_vres < panel_vres)) {
-			/* expansion timing IGA2 loaded panel set timing*/
-			viafb_load_crtc_timing(panel_crt_reg, IGA2);
-			DEBUG_MSG(KERN_INFO "viafb_load_crtc_timing!!\n");
-			load_lcd_scaling(set_hres, set_vres, panel_hres,
-					 panel_vres);
-			DEBUG_MSG(KERN_INFO "load_lcd_scaling!!\n");
-		} else {	/* Centering */
-			/* centering timing IGA2 always loaded panel
-			   and mode releative timing */
-			viafb_load_crtc_timing(lcd_centering_timging
-					 (mode_crt_reg, panel_crt_reg), IGA2);
-			viafb_write_reg_mask(CR79, VIACR, 0x00,
+		timing = lcd_centering_timging(mode_crt_reg, panel_crt_reg);
+		if (set_iga == IGA2)
+			/* disable scaling */
+			via_write_reg_mask(VIACR, 0x79, 0x00,
 				BIT0 + BIT1 + BIT2);
-			/* LCD scaling disabled */
-		}
 	}
 
+	timing.hor_blank_end += timing.hor_blank_start;
+	timing.hor_sync_end += timing.hor_sync_start;
+	timing.ver_blank_end += timing.ver_blank_start;
+	timing.ver_sync_end += timing.ver_sync_start;
+	if (set_iga == IGA1)
+		via_set_primary_timing(&timing);
+	else if (set_iga == IGA2)
+		via_set_secondary_timing(&timing);
+
 	/* Fetch count for IGA2 only */
 	viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga);
 
diff --git a/drivers/video/via/lcd.h b/drivers/video/via/lcd.h
index 75f60a655b0e..77ca7b862e68 100644
--- a/drivers/video/via/lcd.h
+++ b/drivers/video/via/lcd.h
@@ -76,16 +76,13 @@ void __devinit viafb_init_lvds_output_interface(struct lvds_chip_information
 				*plvds_chip_info,
 				struct lvds_setting_information
 				*plvds_setting_info);
-void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
-		  struct lvds_setting_information *plvds_setting_info,
-		  struct lvds_chip_information *plvds_chip_info);
+void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info,
+	struct lvds_chip_information *plvds_chip_info);
 bool __devinit viafb_lvds_trasmitter_identify(void);
 void viafb_init_lvds_output_interface(struct lvds_chip_information
 				*plvds_chip_info,
 				struct lvds_setting_information
 				*plvds_setting_info);
 bool viafb_lcd_get_mobile_state(bool *mobile);
-void viafb_load_crtc_timing(struct display_timing device_timing,
-	int set_iga);
 
 #endif /* __LCD_H__ */
diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 61b0bd596b85..69d882cbe709 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -22,6 +22,8 @@
 #ifndef __SHARE_H__
 #define __SHARE_H__
 
+#include "via_modesetting.h"
+
 /* Define Bit Field */
 #define BIT0    0x01
 #define BIT1    0x02
@@ -634,10 +636,6 @@
 #define V_SYNC_SATRT_SHADOW_INDEX   18
 #define V_SYNC_END_SHADOW_INDEX     19
 
-/* Definition Video Mode Pixel Clock (picoseconds)
-*/
-#define RES_640X480_60HZ_PIXCLOCK    39722
-
 /* LCD display method
 */
 #define     LCD_EXPANDSION              0x00
@@ -648,23 +646,6 @@
 #define     LCD_OPENLDI               0x00
 #define     LCD_SPWG                  0x01
 
-/* Define display timing
-*/
-struct display_timing {
-	u16 hor_total;
-	u16 hor_addr;
-	u16 hor_blank_start;
-	u16 hor_blank_end;
-	u16 hor_sync_start;
-	u16 hor_sync_end;
-	u16 ver_total;
-	u16 ver_addr;
-	u16 ver_blank_start;
-	u16 ver_blank_end;
-	u16 ver_sync_start;
-	u16 ver_sync_end;
-};
-
 struct crt_mode_table {
 	int refresh_rate;
 	int h_sync_polarity;
diff --git a/drivers/video/via/via-core.c b/drivers/video/via/via-core.c
index eb112b621735..dd58b530c0df 100644
--- a/drivers/video/via/via-core.c
+++ b/drivers/video/via/via-core.c
@@ -35,7 +35,7 @@ static struct via_port_cfg adap_configs[] = {
  * The OLPC XO-1.5 puts the camera power and reset lines onto
  * GPIO 2C.
  */
-static const struct via_port_cfg olpc_adap_configs[] = {
+static struct via_port_cfg olpc_adap_configs[] = {
 	[VIA_PORT_26]	= { VIA_PORT_I2C,  VIA_MODE_I2C, VIASR, 0x26 },
 	[VIA_PORT_31]	= { VIA_PORT_I2C,  VIA_MODE_I2C, VIASR, 0x31 },
 	[VIA_PORT_25]	= { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x25 },
diff --git a/drivers/video/via/via_modesetting.c b/drivers/video/via/via_modesetting.c
index 3cddcff88ab9..0e431aee17bb 100644
--- a/drivers/video/via/via_modesetting.c
+++ b/drivers/video/via/via_modesetting.c
@@ -29,6 +29,110 @@
 #include "share.h"
 #include "debug.h"
 
+
+void via_set_primary_timing(const struct display_timing *timing)
+{
+	struct display_timing raw;
+
+	raw.hor_total = timing->hor_total / 8 - 5;
+	raw.hor_addr = timing->hor_addr / 8 - 1;
+	raw.hor_blank_start = timing->hor_blank_start / 8 - 1;
+	raw.hor_blank_end = timing->hor_blank_end / 8 - 1;
+	raw.hor_sync_start = timing->hor_sync_start / 8;
+	raw.hor_sync_end = timing->hor_sync_end / 8;
+	raw.ver_total = timing->ver_total - 2;
+	raw.ver_addr = timing->ver_addr - 1;
+	raw.ver_blank_start = timing->ver_blank_start - 1;
+	raw.ver_blank_end = timing->ver_blank_end - 1;
+	raw.ver_sync_start = timing->ver_sync_start - 1;
+	raw.ver_sync_end = timing->ver_sync_end - 1;
+
+	/* unlock timing registers */
+	via_write_reg_mask(VIACR, 0x11, 0x00, 0x80);
+
+	via_write_reg(VIACR, 0x00, raw.hor_total & 0xFF);
+	via_write_reg(VIACR, 0x01, raw.hor_addr & 0xFF);
+	via_write_reg(VIACR, 0x02, raw.hor_blank_start & 0xFF);
+	via_write_reg_mask(VIACR, 0x03, raw.hor_blank_end & 0x1F, 0x1F);
+	via_write_reg(VIACR, 0x04, raw.hor_sync_start & 0xFF);
+	via_write_reg_mask(VIACR, 0x05, (raw.hor_sync_end & 0x1F)
+		| (raw.hor_blank_end << (7 - 5) & 0x80), 0x9F);
+	via_write_reg(VIACR, 0x06, raw.ver_total & 0xFF);
+	via_write_reg_mask(VIACR, 0x07, (raw.ver_total >> 8 & 0x01)
+		| (raw.ver_addr >> (8 - 1) & 0x02)
+		| (raw.ver_sync_start >> (8 - 2) & 0x04)
+		| (raw.ver_blank_start >> (8 - 3) & 0x08)
+		| (raw.ver_total >> (9 - 5) & 0x20)
+		| (raw.ver_addr >> (9 - 6) & 0x40)
+		| (raw.ver_sync_start >> (9 - 7) & 0x80), 0xEF);
+	via_write_reg_mask(VIACR, 0x09, raw.ver_blank_start >> (9 - 5) & 0x20,
+		0x20);
+	via_write_reg(VIACR, 0x10, raw.ver_sync_start & 0xFF);
+	via_write_reg_mask(VIACR, 0x11, raw.ver_sync_end & 0x0F, 0x0F);
+	via_write_reg(VIACR, 0x12, raw.ver_addr & 0xFF);
+	via_write_reg(VIACR, 0x15, raw.ver_blank_start & 0xFF);
+	via_write_reg(VIACR, 0x16, raw.ver_blank_end & 0xFF);
+	via_write_reg_mask(VIACR, 0x33, (raw.hor_sync_start >> (8 - 4) & 0x10)
+		| (raw.hor_blank_end >> (6 - 5) & 0x20), 0x30);
+	via_write_reg_mask(VIACR, 0x35, (raw.ver_total >> 10 & 0x01)
+		| (raw.ver_sync_start >> (10 - 1) & 0x02)
+		| (raw.ver_addr >> (10 - 2) & 0x04)
+		| (raw.ver_blank_start >> (10 - 3) & 0x08), 0x0F);
+	via_write_reg_mask(VIACR, 0x36, raw.hor_total >> (8 - 3) & 0x08, 0x08);
+
+	/* lock timing registers */
+	via_write_reg_mask(VIACR, 0x11, 0x80, 0x80);
+
+	/* reset timing control */
+	via_write_reg_mask(VIACR, 0x17, 0x00, 0x80);
+	via_write_reg_mask(VIACR, 0x17, 0x80, 0x80);
+}
+
+void via_set_secondary_timing(const struct display_timing *timing)
+{
+	struct display_timing raw;
+
+	raw.hor_total = timing->hor_total - 1;
+	raw.hor_addr = timing->hor_addr - 1;
+	raw.hor_blank_start = timing->hor_blank_start - 1;
+	raw.hor_blank_end = timing->hor_blank_end - 1;
+	raw.hor_sync_start = timing->hor_sync_start - 1;
+	raw.hor_sync_end = timing->hor_sync_end - 1;
+	raw.ver_total = timing->ver_total - 1;
+	raw.ver_addr = timing->ver_addr - 1;
+	raw.ver_blank_start = timing->ver_blank_start - 1;
+	raw.ver_blank_end = timing->ver_blank_end - 1;
+	raw.ver_sync_start = timing->ver_sync_start - 1;
+	raw.ver_sync_end = timing->ver_sync_end - 1;
+
+	via_write_reg(VIACR, 0x50, raw.hor_total & 0xFF);
+	via_write_reg(VIACR, 0x51, raw.hor_addr & 0xFF);
+	via_write_reg(VIACR, 0x52, raw.hor_blank_start & 0xFF);
+	via_write_reg(VIACR, 0x53, raw.hor_blank_end & 0xFF);
+	via_write_reg(VIACR, 0x54, (raw.hor_blank_start >> 8 & 0x07)
+		| (raw.hor_blank_end >> (8 - 3) & 0x38)
+		| (raw.hor_sync_start >> (8 - 6) & 0xC0));
+	via_write_reg_mask(VIACR, 0x55, (raw.hor_total >> 8 & 0x0F)
+		| (raw.hor_addr >> (8 - 4) & 0x70), 0x7F);
+	via_write_reg(VIACR, 0x56, raw.hor_sync_start & 0xFF);
+	via_write_reg(VIACR, 0x57, raw.hor_sync_end & 0xFF);
+	via_write_reg(VIACR, 0x58, raw.ver_total & 0xFF);
+	via_write_reg(VIACR, 0x59, raw.ver_addr & 0xFF);
+	via_write_reg(VIACR, 0x5A, raw.ver_blank_start & 0xFF);
+	via_write_reg(VIACR, 0x5B, raw.ver_blank_end & 0xFF);
+	via_write_reg(VIACR, 0x5C, (raw.ver_blank_start >> 8 & 0x07)
+		| (raw.ver_blank_end >> (8 - 3) & 0x38)
+		| (raw.hor_sync_end >> (8 - 6) & 0x40)
+		| (raw.hor_sync_start >> (10 - 7) & 0x80));
+	via_write_reg(VIACR, 0x5D, (raw.ver_total >> 8 & 0x07)
+		| (raw.ver_addr >> (8 - 3) & 0x38)
+		| (raw.hor_blank_end >> (11 - 6) & 0x40)
+		| (raw.hor_sync_start >> (11 - 7) & 0x80));
+	via_write_reg(VIACR, 0x5E, raw.ver_sync_start & 0xFF);
+	via_write_reg(VIACR, 0x5F, (raw.ver_sync_end & 0x1F)
+		| (raw.ver_sync_start >> (8 - 5) & 0xE0));
+}
+
 void via_set_primary_address(u32 addr)
 {
 	DEBUG_MSG(KERN_DEBUG "via_set_primary_address(0x%08X)\n", addr);
diff --git a/drivers/video/via/via_modesetting.h b/drivers/video/via/via_modesetting.h
index 013884543e91..06e09fe351ae 100644
--- a/drivers/video/via/via_modesetting.h
+++ b/drivers/video/via/via_modesetting.h
@@ -33,6 +33,24 @@
 #define VIA_PITCH_MAX	0x3FF8
 
 
+struct display_timing {
+	u16 hor_total;
+	u16 hor_addr;
+	u16 hor_blank_start;
+	u16 hor_blank_end;
+	u16 hor_sync_start;
+	u16 hor_sync_end;
+	u16 ver_total;
+	u16 ver_addr;
+	u16 ver_blank_start;
+	u16 ver_blank_end;
+	u16 ver_sync_start;
+	u16 ver_sync_end;
+};
+
+
+void via_set_primary_timing(const struct display_timing *timing);
+void via_set_secondary_timing(const struct display_timing *timing);
 void via_set_primary_address(u32 addr);
 void via_set_secondary_address(u32 addr);
 void via_set_primary_pitch(u32 pitch);
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 09fa57cea844..a13c258bd32f 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -38,8 +38,6 @@ static char *viafb_mode1;
 static int viafb_bpp = 32;
 static int viafb_bpp1 = 32;
 
-static unsigned int viafb_second_xres = 640;
-static unsigned int viafb_second_yres = 480;
 static unsigned int viafb_second_offset;
 static int viafb_second_size;
 
@@ -201,7 +199,6 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 	struct fb_info *info)
 {
 	int depth, refresh;
-	struct VideoModeTable *vmode_entry;
 	struct viafb_par *ppar = info->par;
 	u32 line;
 
@@ -211,8 +208,10 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 	if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 		return -EINVAL;
 
-	vmode_entry = viafb_get_mode(var->xres, var->yres);
-	if (!vmode_entry) {
+	/* the refresh rate is not important here, as we only want to know
+	 * whether the resolution exists
+	 */
+	if (!viafb_get_best_mode(var->xres, var->yres, 60)) {
 		DEBUG_MSG(KERN_INFO
 			  "viafb: Mode %dx%dx%d not supported!!\n",
 			  var->xres, var->yres, var->bits_per_pixel);
@@ -254,7 +253,8 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 		get_var_refresh(var));
 
 	/* Adjust var according to our driver's own table */
-	viafb_fill_var_timing_info(var, refresh, vmode_entry);
+	viafb_fill_var_timing_info(var,
+		viafb_get_best_mode(var->xres, var->yres, refresh));
 	if (var->accel_flags & FB_ACCELF_TEXT &&
 		!ppar->shared->vdev->engine_mmio)
 		var->accel_flags = 0;
@@ -265,7 +265,6 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 static int viafb_set_par(struct fb_info *info)
 {
 	struct viafb_par *viapar = info->par;
-	struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
 	int refresh;
 	DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 
@@ -274,10 +273,7 @@ static int viafb_set_par(struct fb_info *info)
 	viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
 		viafbinfo->var.bits_per_pixel, 0);
 
-	vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
 	if (viafb_dual_fb) {
-		vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
-			viafbinfo1->var.yres);
 		viafb_update_device_setting(viafbinfo1->var.xres,
 			viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
 			1);
@@ -285,8 +281,6 @@ static int viafb_set_par(struct fb_info *info)
 		DEBUG_MSG(KERN_INFO
 		"viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 			  viafb_second_xres, viafb_second_yres, viafb_bpp1);
-		vmode_entry1 = viafb_get_mode(viafb_second_xres,
-			viafb_second_yres);
 
 		viafb_update_device_setting(viafb_second_xres,
 			viafb_second_yres, viafb_bpp1, 1);
@@ -294,7 +288,8 @@ static int viafb_set_par(struct fb_info *info)
 
 	refresh = viafb_get_refresh(info->var.xres, info->var.yres,
 		get_var_refresh(&info->var));
-	if (vmode_entry) {
+	if (viafb_get_best_mode(viafbinfo->var.xres, viafbinfo->var.yres,
+		refresh)) {
 		if (viafb_dual_fb && viapar->iga_path == IGA2) {
 			viafb_bpp1 = info->var.bits_per_pixel;
 			viafb_refresh1 = refresh;
@@ -307,8 +302,7 @@ static int viafb_set_par(struct fb_info *info)
 			info->flags &= ~FBINFO_HWACCEL_DISABLED;
 		else
 			info->flags |= FBINFO_HWACCEL_DISABLED;
-		viafb_setmode(vmode_entry, info->var.bits_per_pixel,
-			vmode_entry1, viafb_bpp1);
+		viafb_setmode(info->var.bits_per_pixel, viafb_bpp1);
 		viafb_pan_display(&info->var, info);
 	}
 
@@ -1164,7 +1158,8 @@ static ssize_t viafb_dvp0_proc_write(struct file *file,
 	for (i = 0; i < 3; i++) {
 		value = strsep(&pbuf, " ");
 		if (value != NULL) {
-			strict_strtoul(value, 0, (unsigned long *)&reg_val);
+			if (kstrtou8(value, 0, &reg_val) < 0)
+				return -EINVAL;
 			DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
 				  reg_val);
 			switch (i) {
@@ -1234,7 +1229,8 @@ static ssize_t viafb_dvp1_proc_write(struct file *file,
 	for (i = 0; i < 3; i++) {
 		value = strsep(&pbuf, " ");
 		if (value != NULL) {
-			strict_strtoul(value, 0, (unsigned long *)&reg_val);
+			if (kstrtou8(value, 0, &reg_val) < 0)
+				return -EINVAL;
 			switch (i) {
 			case 0:
 				viafb_write_reg_mask(CR9B, VIACR,
@@ -1292,7 +1288,8 @@ static ssize_t viafb_dfph_proc_write(struct file *file,
 	if (copy_from_user(&buf[0], buffer, length))
 		return -EFAULT;
 	buf[length - 1] = '\0';	/*Ensure end string */
-	strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
+	if (kstrtou8(buf, 0, &reg_val) < 0)
+		return -EINVAL;
 	viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
 	return count;
 }
@@ -1331,7 +1328,8 @@ static ssize_t viafb_dfpl_proc_write(struct file *file,
 	if (copy_from_user(&buf[0], buffer, length))
 		return -EFAULT;
 	buf[length - 1] = '\0';	/*Ensure end string */
-	strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
+	if (kstrtou8(buf, 0, &reg_val) < 0)
+		return -EINVAL;
 	viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
 	return count;
 }
@@ -1400,8 +1398,8 @@ static ssize_t viafb_vt1636_proc_write(struct file *file,
 		for (i = 0; i < 2; i++) {
 			value = strsep(&pbuf, " ");
 			if (value != NULL) {
-				strict_strtoul(value, 0,
-					(unsigned long *)&reg_val.Data);
+				if (kstrtou8(value, 0, &reg_val.Data) < 0)
+					return -EINVAL;
 				switch (i) {
 				case 0:
 					reg_val.Index = 0x08;
@@ -1437,8 +1435,8 @@ static ssize_t viafb_vt1636_proc_write(struct file *file,
 		for (i = 0; i < 2; i++) {
 			value = strsep(&pbuf, " ");
 			if (value != NULL) {
-				strict_strtoul(value, 0,
-					(unsigned long *)&reg_val.Data);
+				if (kstrtou8(value, 0, &reg_val.Data) < 0)
+					return -EINVAL;
 				switch (i) {
 				case 0:
 					reg_val.Index = 0x08;
@@ -1735,7 +1733,6 @@ static struct viafb_pm_hooks viafb_fb_pm_hooks = {
 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 {
 	u32 default_xres, default_yres;
-	struct VideoModeTable *vmode_entry;
 	struct fb_var_screeninfo default_var;
 	int rc;
 	u32 viafb_par_length;
@@ -1808,7 +1805,6 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 	}
 
 	parse_mode(viafb_mode, &default_xres, &default_yres);
-	vmode_entry = viafb_get_mode(default_xres, default_yres);
 	if (viafb_SAMM_ON == 1)
 		parse_mode(viafb_mode1, &viafb_second_xres,
 			&viafb_second_yres);
@@ -1818,9 +1814,8 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 	default_var.xres_virtual = default_xres;
 	default_var.yres_virtual = default_yres;
 	default_var.bits_per_pixel = viafb_bpp;
-	viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
-		default_var.xres, default_var.yres, viafb_refresh),
-		viafb_get_mode(default_var.xres, default_var.yres));
+	viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
+		default_var.xres, default_var.yres, viafb_refresh));
 	viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
 	viafbinfo->var = default_var;
 
@@ -1859,9 +1854,8 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 		default_var.xres_virtual = viafb_second_xres;
 		default_var.yres_virtual = viafb_second_yres;
 		default_var.bits_per_pixel = viafb_bpp1;
-		viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
-			default_var.xres, default_var.yres, viafb_refresh1),
-			viafb_get_mode(default_var.xres, default_var.yres));
+		viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
+			default_var.xres, default_var.yres, viafb_refresh1));
 
 		viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
 		viafb_check_var(&default_var, viafbinfo1);
@@ -1956,61 +1950,67 @@ static int __init viafb_setup(void)
 		if (!*this_opt)
 			continue;
 
-		if (!strncmp(this_opt, "viafb_mode1=", 12))
+		if (!strncmp(this_opt, "viafb_mode1=", 12)) {
 			viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
-		else if (!strncmp(this_opt, "viafb_mode=", 11))
+		} else if (!strncmp(this_opt, "viafb_mode=", 11)) {
 			viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
-		else if (!strncmp(this_opt, "viafb_bpp1=", 11))
-			strict_strtoul(this_opt + 11, 0,
-				(unsigned long *)&viafb_bpp1);
-		else if (!strncmp(this_opt, "viafb_bpp=", 10))
-			strict_strtoul(this_opt + 10, 0,
-				(unsigned long *)&viafb_bpp);
-		else if (!strncmp(this_opt, "viafb_refresh1=", 15))
-			strict_strtoul(this_opt + 15, 0,
-				(unsigned long *)&viafb_refresh1);
-		else if (!strncmp(this_opt, "viafb_refresh=", 14))
-			strict_strtoul(this_opt + 14, 0,
-				(unsigned long *)&viafb_refresh);
-		else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
-			strict_strtoul(this_opt + 21, 0,
-				(unsigned long *)&viafb_lcd_dsp_method);
-		else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
-			strict_strtoul(this_opt + 19, 0,
-				(unsigned long *)&viafb_lcd_panel_id);
-		else if (!strncmp(this_opt, "viafb_accel=", 12))
-			strict_strtoul(this_opt + 12, 0,
-				(unsigned long *)&viafb_accel);
-		else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
-			strict_strtoul(this_opt + 14, 0,
-				(unsigned long *)&viafb_SAMM_ON);
-		else if (!strncmp(this_opt, "viafb_active_dev=", 17))
+		} else if (!strncmp(this_opt, "viafb_bpp1=", 11)) {
+			if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_bpp=", 10)) {
+			if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_refresh1=", 15)) {
+			if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_refresh=", 14)) {
+			if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) {
+			if (kstrtoint(this_opt + 21, 0,
+				      &viafb_lcd_dsp_method) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) {
+			if (kstrtoint(this_opt + 19, 0,
+				      &viafb_lcd_panel_id) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_accel=", 12)) {
+			if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) {
+			if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_active_dev=", 17)) {
 			viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
-		else if (!strncmp(this_opt,
-			"viafb_display_hardware_layout=", 30))
-			strict_strtoul(this_opt + 30, 0,
-			(unsigned long *)&viafb_display_hardware_layout);
-		else if (!strncmp(this_opt, "viafb_second_size=", 18))
-			strict_strtoul(this_opt + 18, 0,
-				(unsigned long *)&viafb_second_size);
-		else if (!strncmp(this_opt,
-			"viafb_platform_epia_dvi=", 24))
-			strict_strtoul(this_opt + 24, 0,
-				(unsigned long *)&viafb_platform_epia_dvi);
-		else if (!strncmp(this_opt,
-			"viafb_device_lcd_dualedge=", 26))
-			strict_strtoul(this_opt + 26, 0,
-				(unsigned long *)&viafb_device_lcd_dualedge);
-		else if (!strncmp(this_opt, "viafb_bus_width=", 16))
-			strict_strtoul(this_opt + 16, 0,
-				(unsigned long *)&viafb_bus_width);
-		else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
-			strict_strtoul(this_opt + 15, 0,
-				(unsigned long *)&viafb_lcd_mode);
-		else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
+		} else if (!strncmp(this_opt,
+			"viafb_display_hardware_layout=", 30)) {
+			if (kstrtoint(this_opt + 30, 0,
+				      &viafb_display_hardware_layout) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_second_size=", 18)) {
+			if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt,
+			"viafb_platform_epia_dvi=", 24)) {
+			if (kstrtoint(this_opt + 24, 0,
+				      &viafb_platform_epia_dvi) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt,
+			"viafb_device_lcd_dualedge=", 26)) {
+			if (kstrtoint(this_opt + 26, 0,
+				      &viafb_device_lcd_dualedge) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_bus_width=", 16)) {
+			if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) {
+			if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0)
+				return -EINVAL;
+		} else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) {
 			viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
-		else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
+		} else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) {
 			viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
+		}
 	}
 	return 0;
 }
@@ -2034,9 +2034,9 @@ int __init viafb_init(void)
 		return r;
 #endif
 	if (parse_mode(viafb_mode, &dummy_x, &dummy_y)
-		|| !viafb_get_mode(dummy_x, dummy_y)
+		|| !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh)
 		|| parse_mode(viafb_mode1, &dummy_x, &dummy_y)
-		|| !viafb_get_mode(dummy_x, dummy_y)
+		|| !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1)
 		|| viafb_bpp < 0 || viafb_bpp > 32
 		|| viafb_bpp1 < 0 || viafb_bpp1 > 32
 		|| parse_active_dev())
diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c
index 58df74e1417e..0911cac1b2ff 100644
--- a/drivers/video/via/viamode.c
+++ b/drivers/video/via/viamode.c
@@ -281,7 +281,7 @@ static struct crt_mode_table CRTM640x480[] = {
 	/*r_rate,hsp,vsp */
 	/*HT,  HA,  HBS, HBE, HSS, HSE, VT,  VA,  VBS, VBE, VSS, VSE */
 	{REFRESH_60, M640X480_R60_HSP, M640X480_R60_VSP,
-	 {800, 640, 648, 144, 656, 96, 525, 480, 480, 45, 490, 2} },
+	 {800, 640, 640, 160, 656, 96, 525, 480, 480, 45, 490, 2} },
 	{REFRESH_75, M640X480_R75_HSP, M640X480_R75_VSP,
 	 {840, 640, 640, 200, 656, 64, 500, 480, 480, 20, 481, 3} },
 	{REFRESH_85, M640X480_R85_HSP, M640X480_R85_VSP,
@@ -863,26 +863,56 @@ int NUM_TOTAL_CLE266_ModeXregs = ARRAY_SIZE(CLE266_ModeXregs);
 int NUM_TOTAL_PATCH_MODE = ARRAY_SIZE(res_patch_table);
 
 
-struct VideoModeTable *viafb_get_mode(int hres, int vres)
+static struct VideoModeTable *get_modes(struct VideoModeTable *vmt, int n,
+	int hres, int vres)
 {
-	u32 i;
-	for (i = 0; i < ARRAY_SIZE(viafb_modes); i++)
-		if (viafb_modes[i].mode_array &&
-			viafb_modes[i].crtc[0].crtc.hor_addr == hres &&
-			viafb_modes[i].crtc[0].crtc.ver_addr == vres)
+	int i;
+
+	for (i = 0; i < n; i++)
+		if (vmt[i].mode_array &&
+			vmt[i].crtc[0].crtc.hor_addr == hres &&
+			vmt[i].crtc[0].crtc.ver_addr == vres)
 			return &viafb_modes[i];
 
 	return NULL;
 }
 
-struct VideoModeTable *viafb_get_rb_mode(int hres, int vres)
+static struct crt_mode_table *get_best_mode(struct VideoModeTable *vmt,
+	int refresh)
 {
-	u32 i;
-	for (i = 0; i < ARRAY_SIZE(viafb_rb_modes); i++)
-		if (viafb_rb_modes[i].mode_array &&
-			viafb_rb_modes[i].crtc[0].crtc.hor_addr == hres &&
-			viafb_rb_modes[i].crtc[0].crtc.ver_addr == vres)
-			return &viafb_rb_modes[i];
+	struct crt_mode_table *best;
+	int i;
 
-	return NULL;
+	if (!vmt)
+		return NULL;
+
+	best = &vmt->crtc[0];
+	for (i = 1; i < vmt->mode_array; i++) {
+		if (abs(vmt->crtc[i].refresh_rate - refresh)
+			< abs(best->refresh_rate - refresh))
+			best = &vmt->crtc[i];
+	}
+
+	return best;
+}
+
+static struct VideoModeTable *viafb_get_mode(int hres, int vres)
+{
+	return get_modes(viafb_modes, ARRAY_SIZE(viafb_modes), hres, vres);
+}
+
+struct crt_mode_table *viafb_get_best_mode(int hres, int vres, int refresh)
+{
+	return get_best_mode(viafb_get_mode(hres, vres), refresh);
+}
+
+static struct VideoModeTable *viafb_get_rb_mode(int hres, int vres)
+{
+	return get_modes(viafb_rb_modes, ARRAY_SIZE(viafb_rb_modes), hres,
+		vres);
+}
+
+struct crt_mode_table *viafb_get_best_rb_mode(int hres, int vres, int refresh)
+{
+	return get_best_mode(viafb_get_rb_mode(hres, vres), refresh);
 }
diff --git a/drivers/video/via/viamode.h b/drivers/video/via/viamode.h
index 3751289eb450..5917a2b00e1b 100644
--- a/drivers/video/via/viamode.h
+++ b/drivers/video/via/viamode.h
@@ -60,7 +60,7 @@ extern struct io_reg PM1024x768[];
 extern struct patch_table res_patch_table[];
 extern struct VPITTable VPIT;
 
-struct VideoModeTable *viafb_get_mode(int hres, int vres);
-struct VideoModeTable *viafb_get_rb_mode(int hres, int vres);
+struct crt_mode_table *viafb_get_best_mode(int hres, int vres, int refresh);
+struct crt_mode_table *viafb_get_best_rb_mode(int hres, int vres, int refresh);
 
 #endif /* __VIAMODE_H__ */