mode->upper_margin = cvt->v_front_porch; mode->lower_margin = cvt->v_back_porch; 
mode->upper_margin = cvt->v_back_porch; mode->lower_margin = cvt->v_front_porch; 
static void fb_cvt_convert_to_mode(struct fb_cvt_data *cvt,				   struct fb_videomode *mode){	mode->refresh = cvt->f_refresh;	mode->pixclock = KHZ2PICOS(cvt->pixclock/1000);	mode->left_margin = cvt->h_front_porch;	mode->right_margin = cvt->h_back_porch;	mode->hsync_len = cvt->hsync;	mode->upper_margin = cvt->v_front_porch;	mode->lower_margin = cvt->v_back_porch;	mode->vsync_len = cvt->vsync;	mode->sync &= ~(FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT);	if (cvt->flags & FB_CVT_FLAG_REDUCED_BLANK)		mode->sync |= FB_SYNC_HOR_HIGH_ACT;	else		mode->sync |= FB_SYNC_VERT_HIGH_ACT;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/6d67e34de5a378de2f461137944c5d931283d557/fbcvt.c/clean/drivers/video/fbcvt.c