368 		pr_info("%s: picture aspect (hor:vert): %u:%u\n", dev_prefix,  in v4l2_print_dv_timings()
562 	/* Aspect ratio based on vsync */  in v4l2_detect_cvt()
703  * @aspect - preferred aspect ratio. GTF has no method of determining the
704  *		aspect ratio in order to derive the image width from the
706  *		the native screen aspect ratio is used for this. If it
720 		     struct v4l2_fract aspect,  in v4l2_detect_gtf()  argument
755 	if (aspect.numerator == 0 || aspect.denominator == 0) {  in v4l2_detect_gtf()
756 		aspect.numerator = 16;  in v4l2_detect_gtf()
757 		aspect.denominator = 9;  in v4l2_detect_gtf()
759 	image_width = ((image_height * aspect.numerator) / aspect.denominator);  in v4l2_detect_gtf()
832 /** v4l2_calc_aspect_ratio - calculate the aspect ratio based on bytes
837  * Determines the aspect ratio from the EDID.
839  * "Horizontal and Vertical Screen Size or Aspect Ratio"
843 	struct v4l2_fract aspect = { 16, 9 };  in v4l2_calc_aspect_ratio()  local
848 		return aspect;  in v4l2_calc_aspect_ratio()
851 		aspect.numerator = hor_landscape;  in v4l2_calc_aspect_ratio()
852 		aspect.denominator = vert_portrait;  in v4l2_calc_aspect_ratio()
853 		return aspect;  in v4l2_calc_aspect_ratio()
858 	/* Change some rounded values into the exact aspect ratio */  in v4l2_calc_aspect_ratio()
860 		aspect.numerator = 16;  in v4l2_calc_aspect_ratio()
861 		aspect.denominator = 9;  in v4l2_calc_aspect_ratio()
863 		aspect.numerator = 4;  in v4l2_calc_aspect_ratio()
864 		aspect.denominator = 3;  in v4l2_calc_aspect_ratio()
866 		aspect.numerator = 15;  in v4l2_calc_aspect_ratio()
867 		aspect.denominator = 9;  in v4l2_calc_aspect_ratio()
869 		aspect.numerator = hor_landscape + 99;  in v4l2_calc_aspect_ratio()
870 		aspect.denominator = 100;  in v4l2_calc_aspect_ratio()
873 		return aspect;  in v4l2_calc_aspect_ratio()
874 	/* The aspect ratio is for portrait, so swap numerator and denominator */  in v4l2_calc_aspect_ratio()
875 	swap(aspect.denominator, aspect.numerator);  in v4l2_calc_aspect_ratio()
876 	return aspect;  in v4l2_calc_aspect_ratio()