377 	int  v_fp, v_bp, h_fp, h_bp, hsync;  in v4l2_detect_cvt()  local
409 			v_fp = (CVT_RB_MIN_V_BLANK * hfreq) / 1000000 + 1;  in v4l2_detect_cvt()
410 			v_fp -= vsync + v_bp;  in v4l2_detect_cvt()
412 			if (v_fp < CVT_RB_V2_MIN_V_FPORCH)  in v4l2_detect_cvt()
413 				v_fp = CVT_RB_V2_MIN_V_FPORCH;  in v4l2_detect_cvt()
415 			v_fp = CVT_RB_V_FPORCH;  in v4l2_detect_cvt()
417 			v_bp -= vsync + v_fp;  in v4l2_detect_cvt()
423 		v_fp = CVT_MIN_V_PORCH_RND;  in v4l2_detect_cvt()
431 		image_height = (frame_height - 2 * v_fp - 2 * vsync - 2 * v_bp) & ~0x1;  in v4l2_detect_cvt()
433 		image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_cvt()
512 	fmt->bt.vfrontporch = v_fp;  in v4l2_detect_cvt()
518 		fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_cvt()
521 		fmt->bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
523 		fmt->bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
525 		fmt->bt.il_vfrontporch = v_fp;  in v4l2_detect_cvt()
596 	int  v_fp, v_bp, h_fp, hsync;  in v4l2_detect_gtf()  local
615 	v_fp = GTF_V_FP;  in v4l2_detect_gtf()
618 		image_height = (frame_height - 2 * v_fp - 2 * vsync - 2 * v_bp) & ~0x1;  in v4l2_detect_gtf()
620 		image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_gtf()
670 	fmt->bt.vfrontporch = v_fp;  in v4l2_detect_gtf()
676 		fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_gtf()
679 		fmt->bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()
681 		fmt->bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()
683 		fmt->bt.il_vfrontporch = v_fp;  in v4l2_detect_gtf()