drm_rect_calc_hscale_relaxed man page on OpenSuSE

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DRM_RECT_CALC_HSCALE(9)		 DRM Internals	       DRM_RECT_CALC_HSCALE(9)

NAME
       drm_rect_calc_hscale_relaxed - calculate the horizontal scaling factor

SYNOPSIS
       int drm_rect_calc_hscale_relaxed(struct drm_rect * src,
					struct drm_rect * dst, int min_hscale,
					int max_hscale);

ARGUMENTS
       src
	   source window rectangle

       dst
	   destination window rectangle

       min_hscale
	   minimum allowed horizontal scaling factor

       max_hscale
	   maximum allowed horizontal scaling factor

DESCRIPTION
       Calculate the horizontal scaling factor as (src width) / (dst width).

       If the calculated scaling factor is below min_vscale, decrease the
       height of rectangle dst to compensate.

       If the calculated scaling factor is above max_vscale, decrease the
       height of rectangle src to compensate.

RETURNS
       The horizontal scaling factor.

AUTHORS
       Jesse Barnes <jesse.barnes@intel.com>
       Intel Corporation,
	   Initial version

       Laurent Pinchart <laurent.pinchart@ideasonboard.com>
       Ideas on board SPRL,
	   Driver internals

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013	       DRM_RECT_CALC_HSCALE(9)
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