Merge branch 'viafb-cleanup' into viafb-next

13 files changed, 84 insertions, 251 deletions

diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h
index 29d7024..3ebf20c 100644
--- a/drivers/video/via/chip.h
+++ b/drivers/video/via/chip.h
@@ -137,17 +137,11 @@ struct chip_information {
 	struct lvds_chip_information lvds_chip_info2;
 };
 
-struct crt_setting_information {
-	int iga_path;
-};
-
 struct tmds_setting_information {
 	int iga_path;
 	int h_active;
 	int v_active;
 	int max_pixel_clock;
-	int max_hres;
-	int max_vres;
 };
 
 struct lvds_setting_information {
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index 41ca198..b1f3647 100644
--- a/drivers/video/via/dvi.c
+++ b/drivers/video/via/dvi.c
@@ -28,17 +28,11 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len);
 static void __devinit dvi_get_panel_size_from_DDCv1(
 	struct tmds_chip_information *tmds_chip,
 	struct tmds_setting_information *tmds_setting);
-static void __devinit dvi_get_panel_size_from_DDCv2(
-	struct tmds_chip_information *tmds_chip,
-	struct tmds_setting_information *tmds_setting);
 static int viafb_dvi_query_EDID(void);
 
-static int check_tmds_chip(int device_id_subaddr, int device_id)
+static inline bool check_tmds_chip(int device_id_subaddr, int device_id)
 {
-	if (tmds_register_read(device_id_subaddr) == device_id)
-		return OK;
-	else
-		return FAIL;
+	return tmds_register_read(device_id_subaddr) == device_id;
 }
 
 void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
@@ -47,22 +41,13 @@ void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
 	DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n");
 
 	viafb_dvi_sense();
-	switch (viafb_dvi_query_EDID()) {
-	case 1:
+	if (viafb_dvi_query_EDID() == 1)
 		dvi_get_panel_size_from_DDCv1(tmds_chip, tmds_setting);
-		break;
-	case 2:
-		dvi_get_panel_size_from_DDCv2(tmds_chip, tmds_setting);
-		break;
-	default:
-		printk(KERN_WARNING "viafb_init_dvi_size: DVI panel size undetected!\n");
-		break;
-	}
 
 	return;
 }
 
-int __devinit viafb_tmds_trasmitter_identify(void)
+bool __devinit viafb_tmds_trasmitter_identify(void)
 {
 	unsigned char sr2a = 0, sr1e = 0, sr3e = 0;
 
@@ -101,7 +86,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
 	viaparinfo->chip_info->
 		tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
 	viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_31;
-	if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) != FAIL) {
+	if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) {
 		/*
 		 * Currently only support 12bits,dual edge,add 24bits mode later
 		 */
@@ -112,11 +97,10 @@ int __devinit viafb_tmds_trasmitter_identify(void)
 			  viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
 		DEBUG_MSG(KERN_INFO "\n %2d",
 			  viaparinfo->chip_info->tmds_chip_info.i2c_port);
-		return OK;
+		return true;
 	} else {
 		viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_2C;
-		if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)
-		    != FAIL) {
+		if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) {
 			tmds_register_write(0x08, 0x3b);
 			DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n");
 			DEBUG_MSG(KERN_INFO "\n %2d",
@@ -125,7 +109,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
 			DEBUG_MSG(KERN_INFO "\n %2d",
 				  viaparinfo->chip_info->
 				  tmds_chip_info.i2c_port);
-			return OK;
+			return true;
 		}
 	}
 
@@ -135,7 +119,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
 	    ((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) ||
 	     (viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI))) {
 		DEBUG_MSG(KERN_INFO "\n Integrated TMDS ! \n");
-		return OK;
+		return true;
 	}
 
 	switch (viaparinfo->chip_info->gfx_chip_name) {
@@ -159,7 +143,7 @@ int __devinit viafb_tmds_trasmitter_identify(void)
 		tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER;
 	viaparinfo->chip_info->tmds_chip_info.
 		tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
-	return FAIL;
+	return false;
 }
 
 static void tmds_register_write(int index, u8 data)
@@ -306,12 +290,7 @@ static int viafb_dvi_query_EDID(void)
 		return EDID_VERSION_1;	/* Found EDID1 Table */
 	}
 
-	data0 = (u8) tmds_register_read(0x00);
-	viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
-	if (data0 == 0x20)
-		return EDID_VERSION_2;	/* Found EDID2 Table */
-	else
-		return false;
+	return false;
 }
 
 /* Get Panel Size Using EDID1 Table */
@@ -319,50 +298,15 @@ static void __devinit dvi_get_panel_size_from_DDCv1(
 	struct tmds_chip_information *tmds_chip,
 	struct tmds_setting_information *tmds_setting)
 {
-	int i, max_h = 0, tmp, restore;
-	unsigned char rData;
+	int i, restore;
 	unsigned char EDID_DATA[18];
 
 	DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n");
 
 	restore = tmds_chip->tmds_chip_slave_addr;
 	tmds_chip->tmds_chip_slave_addr = 0xA0;
-
-	rData = tmds_register_read(0x23);
-	if (rData & 0x3C)
-		max_h = 640;
-	if (rData & 0xC0)
-		max_h = 720;
-	if (rData & 0x03)
-		max_h = 800;
-
-	rData = tmds_register_read(0x24);
-	if (rData & 0xC0)
-		max_h = 800;
-	if (rData & 0x1E)
-		max_h = 1024;
-	if (rData & 0x01)
-		max_h = 1280;
-
 	for (i = 0x25; i < 0x6D; i++) {
 		switch (i) {
-		case 0x26:
-		case 0x28:
-		case 0x2A:
-		case 0x2C:
-		case 0x2E:
-		case 0x30:
-		case 0x32:
-		case 0x34:
-			rData = tmds_register_read(i);
-			if (rData == 1)
-				break;
-			/* data = (data + 31) * 8 */
-			tmp = (rData + 31) << 3;
-			if (tmp > max_h)
-				max_h = tmp;
-			break;
-
 		case 0x36:
 		case 0x48:
 		case 0x5A:
@@ -383,91 +327,11 @@ static void __devinit dvi_get_panel_size_from_DDCv1(
 		}
 	}
 
-	tmds_setting->max_hres = max_h;
-	switch (max_h) {
-	case 640:
-		tmds_setting->max_vres = 480;
-		break;
-	case 800:
-		tmds_setting->max_vres = 600;
-		break;
-	case 1024:
-		tmds_setting->max_vres = 768;
-		break;
-	case 1280:
-		tmds_setting->max_vres = 1024;
-		break;
-	case 1400:
-		tmds_setting->max_vres = 1050;
-		break;
-	case 1440:
-		tmds_setting->max_vres = 1050;
-		break;
-	case 1600:
-		tmds_setting->max_vres = 1200;
-		break;
-	case 1920:
-		tmds_setting->max_vres = 1080;
-		break;
-	default:
-		DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d ! "
-					 "set default panel size.\n", max_h);
-		break;
-	}
-
 	DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n",
 		tmds_setting->max_pixel_clock);
 	tmds_chip->tmds_chip_slave_addr = restore;
 }
 
-/* Get Panel Size Using EDID2 Table */
-static void __devinit dvi_get_panel_size_from_DDCv2(
-	struct tmds_chip_information *tmds_chip,
-	struct tmds_setting_information *tmds_setting)
-{
-	int restore;
-	unsigned char R_Buffer[2];
-
-	DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n");
-
-	restore = tmds_chip->tmds_chip_slave_addr;
-	tmds_chip->tmds_chip_slave_addr = 0xA2;
-
-	/* Horizontal: 0x76, 0x77 */
-	tmds_register_read_bytes(0x76, R_Buffer, 2);
-	tmds_setting->max_hres = R_Buffer[0] + (R_Buffer[1] << 8);
-
-	switch (tmds_setting->max_hres) {
-	case 640:
-		tmds_setting->max_vres = 480;
-		break;
-	case 800:
-		tmds_setting->max_vres = 600;
-		break;
-	case 1024:
-		tmds_setting->max_vres = 768;
-		break;
-	case 1280:
-		tmds_setting->max_vres = 1024;
-		break;
-	case 1400:
-		tmds_setting->max_vres = 1050;
-		break;
-	case 1440:
-		tmds_setting->max_vres = 1050;
-		break;
-	case 1600:
-		tmds_setting->max_vres = 1200;
-		break;
-	default:
-		DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d! "
-			"set default panel size.\n", tmds_setting->max_hres);
-		break;
-	}
-
-	tmds_chip->tmds_chip_slave_addr = restore;
-}
-
 /* If Disable DVI, turn off pad */
 void viafb_dvi_disable(void)
 {
diff --git a/drivers/video/via/dvi.h b/drivers/video/via/dvi.h
index 2c525c0..f473dd0 100644
--- a/drivers/video/via/dvi.h
+++ b/drivers/video/via/dvi.h
@@ -56,7 +56,7 @@
 int viafb_dvi_sense(void);
 void viafb_dvi_disable(void);
 void viafb_dvi_enable(void);
-int __devinit viafb_tmds_trasmitter_identify(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,
diff --git a/drivers/video/via/global.c b/drivers/video/via/global.c
index 1ee511b..e10d824 100644
--- a/drivers/video/via/global.c
+++ b/drivers/video/via/global.c
@@ -40,10 +40,6 @@ int viafb_hotplug_Yres = 480;
 int viafb_hotplug_bpp = 32;
 int viafb_hotplug_refresh = 60;
 int viafb_primary_dev = None_Device;
-unsigned int viafb_second_xres = 640;
-unsigned int viafb_second_yres = 480;
-unsigned int viafb_second_virtual_xres;
-unsigned int viafb_second_virtual_yres;
 int viafb_lcd_panel_id = LCD_PANEL_ID_MAXIMUM + 1;
 struct fb_info *viafbinfo;
 struct fb_info *viafbinfo1;
diff --git a/drivers/video/via/global.h b/drivers/video/via/global.h
index 38ef5ac..ff969dc 100644
--- a/drivers/video/via/global.h
+++ b/drivers/video/via/global.h
@@ -73,8 +73,6 @@ extern int viafb_hotplug_bpp;
 extern int viafb_hotplug_refresh;
 extern int viafb_primary_dev;
 
-extern unsigned int viafb_second_xres;
-extern unsigned int viafb_second_yres;
 extern int viafb_lcd_panel_id;
 
 #endif /* __GLOBAL_H__ */
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 56ad185..3308f47 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -309,6 +309,42 @@ static struct io_reg scaling_parameters[] = {
 	{VIACR, CR87, 0xFF, 0x1F},	/* LCD Scaling Parameter 14 */
 };
 
+static struct io_reg common_vga[] = {
+	{VIACR, CR07, 0x10, 0x10}, /* [0] vertical total (bit 8)
+					[1] vertical display end (bit 8)
+					[2] vertical retrace start (bit 8)
+					[3] start vertical blanking (bit 8)
+					[4] line compare (bit 8)
+					[5] vertical total (bit 9)
+					[6] vertical display end (bit 9)
+					[7] vertical retrace start (bit 9) */
+	{VIACR, CR08, 0xFF, 0x00}, /* [0-4] preset row scan
+					[5-6] byte panning */
+	{VIACR, CR09, 0xDF, 0x40}, /* [0-4] max scan line
+					[5] start vertical blanking (bit 9)
+					[6] line compare (bit 9)
+					[7] scan doubling */
+	{VIACR, CR0A, 0xFF, 0x1E}, /* [0-4] cursor start
+					[5] cursor disable */
+	{VIACR, CR0B, 0xFF, 0x00}, /* [0-4] cursor end
+					[5-6] cursor skew */
+	{VIACR, CR0E, 0xFF, 0x00}, /* [0-7] cursor location (high) */
+	{VIACR, CR0F, 0xFF, 0x00}, /* [0-7] cursor location (low) */
+	{VIACR, CR11, 0xF0, 0x80}, /* [0-3] vertical retrace end
+					[6] memory refresh bandwidth
+					[7] CRTC register protect enable */
+	{VIACR, CR14, 0xFF, 0x00}, /* [0-4] underline location
+					[5] divide memory address clock by 4
+					[6] double word addressing */
+	{VIACR, CR17, 0xFF, 0x63}, /* [0-1] mapping of display address 13-14
+					[2] divide scan line clock by 2
+					[3] divide memory address clock by 2
+					[5] address wrap
+					[6] byte mode select
+					[7] sync enable */
+	{VIACR, CR18, 0xFF, 0xFF}, /* [0-7] line compare */
+};
+
 static struct fifo_depth_select display_fifo_depth_reg = {
 	/* IGA1 FIFO Depth_Select */
 	{IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } },
@@ -771,13 +807,14 @@ static u32 get_lcd_devices(int output_interface)
 /*Set IGA path for each device*/
 void viafb_set_iga_path(void)
 {
+	int crt_iga_path = 0;
 
 	if (viafb_SAMM_ON == 1) {
 		if (viafb_CRT_ON) {
 			if (viafb_primary_dev == CRT_Device)
-				viaparinfo->crt_setting_info->iga_path = IGA1;
+				crt_iga_path = IGA1;
 			else
-				viaparinfo->crt_setting_info->iga_path = IGA2;
+				crt_iga_path = IGA2;
 		}
 
 		if (viafb_DVI_ON) {
@@ -794,8 +831,7 @@ void viafb_set_iga_path(void)
 					UNICHROME_CLE266)) {
 					viaparinfo->
 					lvds_setting_info->iga_path = IGA2;
-					viaparinfo->
-					crt_setting_info->iga_path = IGA1;
+					crt_iga_path = IGA1;
 					viaparinfo->
 					tmds_setting_info->iga_path = IGA1;
 				} else
@@ -815,10 +851,10 @@ void viafb_set_iga_path(void)
 		viafb_SAMM_ON = 0;
 
 		if (viafb_CRT_ON && viafb_LCD_ON) {
-			viaparinfo->crt_setting_info->iga_path = IGA1;
+			crt_iga_path = IGA1;
 			viaparinfo->lvds_setting_info->iga_path = IGA2;
 		} else if (viafb_CRT_ON && viafb_DVI_ON) {
-			viaparinfo->crt_setting_info->iga_path = IGA1;
+			crt_iga_path = IGA1;
 			viaparinfo->tmds_setting_info->iga_path = IGA2;
 		} else if (viafb_LCD_ON && viafb_DVI_ON) {
 			viaparinfo->tmds_setting_info->iga_path = IGA1;
@@ -827,7 +863,7 @@ void viafb_set_iga_path(void)
 			viaparinfo->lvds_setting_info->iga_path = IGA2;
 			viaparinfo->lvds_setting_info2->iga_path = IGA2;
 		} else if (viafb_CRT_ON) {
-			viaparinfo->crt_setting_info->iga_path = IGA1;
+			crt_iga_path = IGA1;
 		} else if (viafb_LCD_ON) {
 			viaparinfo->lvds_setting_info->iga_path = IGA2;
 		} else if (viafb_DVI_ON) {
@@ -838,7 +874,7 @@ void viafb_set_iga_path(void)
 	viaparinfo->shared->iga1_devices = 0;
 	viaparinfo->shared->iga2_devices = 0;
 	if (viafb_CRT_ON) {
-		if (viaparinfo->crt_setting_info->iga_path == IGA1)
+		if (crt_iga_path == IGA1)
 			viaparinfo->shared->iga1_devices |= VIA_CRT;
 		else
 			viaparinfo->shared->iga2_devices |= VIA_CRT;
@@ -1167,25 +1203,17 @@ void via_odev_to_seq(struct seq_file *m, u32 odev)
 
 static void load_fix_bit_crtc_reg(void)
 {
+	viafb_unlock_crt();
+
 	/* always set to 1 */
 	viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
 	/* line compare should set all bits = 1 (extend modes) */
-	viafb_write_reg(CR18, VIACR, 0xff);
-	/* line compare should set all bits = 1 (extend modes) */
-	viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
-	/* line compare should set all bits = 1 (extend modes) */
-	viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
-	/* line compare should set all bits = 1 (extend modes) */
 	viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4);
 	/* line compare should set all bits = 1 (extend modes) */
 	viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2);
 	/*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */
-	/* extend mode always set to e3h */
-	viafb_write_reg(CR17, VIACR, 0xe3);
-	/* extend mode always set to 0h */
-	viafb_write_reg(CR08, VIACR, 0x00);
-	/* extend mode always set to 0h */
-	viafb_write_reg(CR14, VIACR, 0x00);
+
+	viafb_lock_crt();
 
 	/* If K8M800, enable Prefetch Mode. */
 	if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800)
@@ -2038,8 +2066,6 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
 	v_addr = crt_reg.ver_addr;
 	if (set_iga == IGA1) {
 		viafb_unlock_crt();
-		viafb_write_reg(CR09, VIACR, 0x00);	/*initial CR09=0 */
-		viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6);
 		viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
 	}
 
@@ -2052,7 +2078,6 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
 		break;
 	}
 
-	load_fix_bit_crtc_reg();
 	viafb_lock_crt();
 	viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
 	viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
@@ -2076,8 +2101,6 @@ void __devinit viafb_init_chip_info(int chip_type)
 	init_tmds_chip_info();
 	init_lvds_chip_info();
 
-	viaparinfo->crt_setting_info->iga_path = IGA1;
-
 	/*Set IGA path for each device */
 	viafb_set_iga_path();
 
@@ -2359,6 +2382,7 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 	outb(0x00, VIAAR);
 
 	/* Write Common Setting for Video Mode */
+	viafb_write_regx(common_vga, ARRAY_SIZE(common_vga));
 	switch (viaparinfo->chip_info->gfx_chip_name) {
 	case UNICHROME_CLE266:
 		viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs);
@@ -2405,9 +2429,6 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 
 	viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
 
-	/* Write CRTC */
-	viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);
-
 	/* Write Graphic Controller */
 	for (i = 0; i < StdGR; i++)
 		via_write_reg(VIAGR, i, VPIT.GR[i]);
@@ -2437,6 +2458,7 @@ 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);
@@ -2456,15 +2478,15 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 
 	/* CRT set mode */
 	if (viafb_CRT_ON) {
-		if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
-			IGA2)) {
+		if (viafb_SAMM_ON &&
+			viaparinfo->shared->iga2_devices & VIA_CRT) {
 			viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
-				video_bpp1 / 8,
-				viaparinfo->crt_setting_info->iga_path);
+				video_bpp1 / 8, IGA2);
 		} else {
 			viafb_fill_crtc_timing(crt_timing, vmode_tbl,
 				video_bpp / 8,
-				viaparinfo->crt_setting_info->iga_path);
+				(viaparinfo->shared->iga1_devices & VIA_CRT)
+				? IGA1 : IGA2);
 		}
 
 		/* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index 8858593..090d167 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -910,7 +910,6 @@ struct via_device_mapping {
 	const char *name;
 };
 
-extern unsigned int viafb_second_virtual_xres;
 extern int viafb_SAMM_ON;
 extern int viafb_dual_fb;
 extern int viafb_LCD2_ON;
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 64bc7e7..6984046 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -48,7 +48,6 @@ static struct _lcd_scaling_factor lcd_scaling_factor_CLE = {
 	{LCD_VER_SCALING_FACTOR_REG_NUM_CLE, {{CR78, 0, 7}, {CR79, 6, 7} } }
 };
 
-static int check_lvds_chip(int device_id_subaddr, int device_id);
 static bool lvds_identify_integratedlvds(void);
 static void __devinit fp_id_to_vindex(int panel_id);
 static int lvds_register_read(int index);
@@ -84,12 +83,9 @@ static struct display_timing lcd_centering_timging(struct display_timing
 					    mode_crt_reg,
 					   struct display_timing panel_crt_reg);
 
-static int check_lvds_chip(int device_id_subaddr, int device_id)
+static inline bool check_lvds_chip(int device_id_subaddr, int device_id)
 {
-	if (lvds_register_read(device_id_subaddr) == device_id)
-		return OK;
-	else
-		return FAIL;
+	return lvds_register_read(device_id_subaddr) == device_id;
 }
 
 void __devinit viafb_init_lcd_size(void)
@@ -150,7 +146,7 @@ static bool lvds_identify_integratedlvds(void)
 	return true;
 }
 
-int __devinit viafb_lvds_trasmitter_identify(void)
+bool __devinit viafb_lvds_trasmitter_identify(void)
 {
 	if (viafb_lvds_identify_vt1636(VIA_PORT_31)) {
 		viaparinfo->chip_info->lvds_chip_info.i2c_port = VIA_PORT_31;
@@ -175,20 +171,20 @@ int __devinit viafb_lvds_trasmitter_identify(void)
 	viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
 		VT1631_LVDS_I2C_ADDR;
 
-	if (check_lvds_chip(VT1631_DEVICE_ID_REG, VT1631_DEVICE_ID) != FAIL) {
+	if (check_lvds_chip(VT1631_DEVICE_ID_REG, VT1631_DEVICE_ID)) {
 		DEBUG_MSG(KERN_INFO "\n VT1631 LVDS ! \n");
 		DEBUG_MSG(KERN_INFO "\n %2d",
 			  viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
 		DEBUG_MSG(KERN_INFO "\n %2d",
 			  viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
-		return OK;
+		return true;
 	}
 
 	viaparinfo->chip_info->lvds_chip_info.lvds_chip_name =
 		NON_LVDS_TRANSMITTER;
 	viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
 		VT1631_LVDS_I2C_ADDR;
-	return FAIL;
+	return false;
 }
 
 static void __devinit fp_id_to_vindex(int panel_id)
diff --git a/drivers/video/via/lcd.h b/drivers/video/via/lcd.h
index c7909fe..75f60a6 100644
--- a/drivers/video/via/lcd.h
+++ b/drivers/video/via/lcd.h
@@ -79,7 +79,7 @@ void __devinit viafb_init_lvds_output_interface(struct lvds_chip_information
 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);
-int __devinit viafb_lvds_trasmitter_identify(void);
+bool __devinit viafb_lvds_trasmitter_identify(void);
 void viafb_init_lvds_output_interface(struct lvds_chip_information
 				*plvds_chip_info,
 				struct lvds_setting_information
diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 62bed2b..8b93e2f 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -22,14 +22,6 @@
 #ifndef __SHARE_H__
 #define __SHARE_H__
 
-/* Define Return Value */
-#define FAIL        -1
-#define OK          1
-
-#ifndef NULL
-#define NULL 0
-#endif
-
 /* Define Bit Field */
 #define BIT0    0x01
 #define BIT1    0x02
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 9d9bb9b4..eace9a4 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -37,6 +37,8 @@ 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;
 
@@ -440,8 +442,8 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 		if (viafb_SAMM_ON == 1) {
 			u.viamode.xres_sec = viafb_second_xres;
 			u.viamode.yres_sec = viafb_second_yres;
-			u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
-			u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
+			u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual;
+			u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual;
 			u.viamode.refresh_sec = viafb_refresh1;
 			u.viamode.bpp_sec = viafb_bpp1;
 		} else {
@@ -930,10 +932,8 @@ static int get_primary_device(void)
 	/* Rule: device on iga1 path are the primary device. */
 	if (viafb_SAMM_ON) {
 		if (viafb_CRT_ON) {
-			if (viaparinfo->crt_setting_info->iga_path == IGA1) {
-				DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
-					viaparinfo->
-					crt_setting_info->iga_path);
+			if (viaparinfo->shared->iga1_devices & VIA_CRT) {
+				DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1);
 				primary_device = CRT_Device;
 			}
 		}
@@ -1746,7 +1746,6 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 	viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
 	viaparinfo->lvds_setting_info2 =
 		&viaparinfo->shared->lvds_setting_info2;
-	viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
 	viaparinfo->chip_info = &viaparinfo->shared->chip_info;
 
 	if (viafb_dual_fb)
@@ -1793,14 +1792,10 @@ 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) {
+	if (viafb_SAMM_ON == 1)
 		parse_mode(viafb_mode1, &viafb_second_xres,
 			&viafb_second_yres);
 
-		viafb_second_virtual_xres = viafb_second_xres;
-		viafb_second_virtual_yres = viafb_second_yres;
-	}
-
 	default_var.xres = default_xres;
 	default_var.yres = default_yres;
 	default_var.xres_virtual = default_xres;
@@ -1844,8 +1839,8 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 
 		default_var.xres = viafb_second_xres;
 		default_var.yres = viafb_second_yres;
-		default_var.xres_virtual = viafb_second_virtual_xres;
-		default_var.yres_virtual = viafb_second_virtual_yres;
+		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),
diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h
index d66f963..59e40d1 100644
--- a/drivers/video/via/viafbdev.h
+++ b/drivers/video/via/viafbdev.h
@@ -50,7 +50,6 @@ struct viafb_shared {
 
 	/* All the information will be needed to set engine */
 	struct tmds_setting_information tmds_setting_info;
-	struct crt_setting_information crt_setting_info;
 	struct lvds_setting_information lvds_setting_info;
 	struct lvds_setting_information lvds_setting_info2;
 	struct chip_information chip_info;
@@ -79,14 +78,11 @@ struct viafb_par {
 	/* All the information will be needed to set engine */
 	/* depreciated, use the ones in shared directly */
 	struct tmds_setting_information *tmds_setting_info;
-	struct crt_setting_information *crt_setting_info;
 	struct lvds_setting_information *lvds_setting_info;
 	struct lvds_setting_information *lvds_setting_info2;
 	struct chip_information *chip_info;
 };
 
-extern unsigned int viafb_second_virtual_yres;
-extern unsigned int viafb_second_virtual_xres;
 extern int viafb_SAMM_ON;
 extern int viafb_dual_fb;
 extern int viafb_LCD2_ON;
diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c
index ccb5eec..f84c9b0 100644
--- a/drivers/video/via/viamode.c
+++ b/drivers/video/via/viamode.c
@@ -30,10 +30,6 @@ struct io_reg CN400_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
 {VIASR, SR1A, 0xFB, 0x08},
 {VIASR, SR1E, 0x0F, 0x01},
 {VIASR, SR2A, 0xFF, 0x00},
-{VIACR, CR0A, 0xFF, 0x1E},	/* Cursor Start                        */
-{VIACR, CR0B, 0xFF, 0x00},	/* Cursor End                          */
-{VIACR, CR0E, 0xFF, 0x00},	/* Cursor Location High                */
-{VIACR, CR0F, 0xFF, 0x00},	/* Cursor Localtion Low                */
 {VIACR, CR32, 0xFF, 0x00},
 {VIACR, CR33, 0xFF, 0x00},
 {VIACR, CR35, 0xFF, 0x00},
@@ -125,10 +121,6 @@ struct io_reg KM400_ModeXregs[] = {
 	{VIASR, SR2A, 0xFF, 0x00},	/* Power Management Control 5      */
 	{VIASR, SR2D, 0xFF, 0xFF},	/* Power Management Control 1      */
 	{VIASR, SR2E, 0xFF, 0xFF},	/* Power Management Control 2      */
-	{VIACR, CR0A, 0xFF, 0x1E},	/* Cursor Start                    */
-	{VIACR, CR0B, 0xFF, 0x00},	/* Cursor End                      */
-	{VIACR, CR0E, 0xFF, 0x00},	/* Cursor Location High            */
-	{VIACR, CR0F, 0xFF, 0x00},	/* Cursor Localtion Low            */
 	{VIACR, CR33, 0xFF, 0x00},
 	{VIACR, CR55, 0x80, 0x00},
 	{VIACR, CR5D, 0x80, 0x00},
@@ -162,10 +154,6 @@ struct io_reg CX700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
 {VIASR, SR1E, 0xFF, 0x01},
 {VIASR, SR2A, 0xFF, 0x00},
 {VIASR, SR2D, 0xFF, 0xFF},	/* VCK and LCK PLL power on.           */
-{VIACR, CR0A, 0xFF, 0x1E},	/* Cursor Start                        */
-{VIACR, CR0B, 0xFF, 0x00},	/* Cursor End                          */
-{VIACR, CR0E, 0xFF, 0x00},	/* Cursor Location High                */
-{VIACR, CR0F, 0xFF, 0x00},	/* Cursor Localtion Low                */
 {VIACR, CR32, 0xFF, 0x00},
 {VIACR, CR33, 0xFF, 0x00},
 {VIACR, CR35, 0xFF, 0x00},
@@ -205,13 +193,6 @@ struct io_reg VX855_ModeXregs[] = {
 {VIASR, SR58, 0xFF, 0x00},
 {VIASR, SR59, 0xFF, 0x00},
 {VIASR, SR2D, 0xFF, 0xFF},	/* VCK and LCK PLL power on.           */
-{VIACR, CR09, 0xFF, 0x00},	/* Initial CR09=0*/
-{VIACR, CR11, 0x8F, 0x00},	/* IGA1 initial  Vertical end       */
-{VIACR, CR17, 0x7F, 0x00}, 	/* IGA1 CRT Mode control init   */
-{VIACR, CR0A, 0xFF, 0x1E},	/* Cursor Start                        */
-{VIACR, CR0B, 0xFF, 0x00},	/* Cursor End                          */
-{VIACR, CR0E, 0xFF, 0x00},	/* Cursor Location High                */
-{VIACR, CR0F, 0xFF, 0x00},	/* Cursor Localtion Low                */
 {VIACR, CR32, 0xFF, 0x00},
 {VIACR, CR33, 0x7F, 0x00},
 {VIACR, CR35, 0xFF, 0x00},