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drm/rect: Add drm_rect_init()

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Add a helper to initialize a rectangle from x/y/w/h information.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190930134214.24702-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2019-09-30 16:42:12 +03:00
parent 763ba2eca0
commit e22b86e973
1 changed files with 17 additions and 0 deletions
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17
include/drm/drm_rect.h
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@ -69,6 +69,23 @@ struct drm_rect {
(r)->x1 >> 16, (((r)->x1 & 0xffff) * 15625) >> 10, \
(r)->y1 >> 16, (((r)->y1 & 0xffff) * 15625) >> 10
/**
* drm_rect_init - initialize the rectangle from x/y/w/h
* @r: rectangle
* @x: x coordinate
* @y: y coordinate
* @width: width
* @height: height
*/
static inline void drm_rect_init(struct drm_rect *r, int x, int y,
int width, int height)
{
r->x1 = x;
r->y1 = y;
r->x2 = x + width;
r->y2 = y + height;
}
/**
* drm_rect_adjust_size - adjust the size of the rectangle
* @r: rectangle to be adjusted