unsigned char modeno, unsigned char rateindex);
int sisfb_mode_rate_to_ddata(struct SiS_Private *SiS_Pr, unsigned char modeno,
unsigned char rateindex, struct fb_var_screeninfo *var);
unsigned char modeno, unsigned char rateindex);
int sisfb_mode_rate_to_ddata(struct SiS_Private *SiS_Pr, unsigned char modeno,
unsigned char rateindex, struct fb_var_screeninfo *var);