viafb: refresh rate bug collection

This patch fixes multiple issues with the handling of refresh rates
especially for multi-display setups. If you experienced problems
with wrong refresh rates this patch might fix them.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index 7295263..8858593 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -949,8 +949,7 @@
 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 vmode_refresh, int flag);
+void viafb_update_device_setting(int hres, int vres, int bpp, int flag);
 
 void viafb_set_iga_path(void);
 void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue);