From 7d8ac172d7f1098acc58023819117f7c26d4b604 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Date: Mon, 4 Jan 2021 12:56:51 -0800 Subject: [PATCH] drm: Add function to convert rect in 16.16 fixed format to regular format MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Much more clear to read one function call than four lines doing this conversion. v7: - function renamed - calculating width and height before truncate - inlined v10: - renamed parameters from source and destination to src and dst to match sister functions Cc: Ville Syrjälä Cc: dri-devel@lists.freedesktop.org Cc: Gwan-gyeong Mun Reviewed-by: Gwan-gyeong Mun Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210104205654.238928-1-jose.souza@intel.com --- include/drm/drm_rect.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h index e7f4d24cdd005..39f2deee709c2 100644 --- a/include/drm/drm_rect.h +++ b/include/drm/drm_rect.h @@ -206,6 +206,19 @@ static inline bool drm_rect_equals(const struct drm_rect *r1, r1->y1 == r2->y1 && r1->y2 == r2->y2; } +/** + * drm_rect_fp_to_int - Convert a rect in 16.16 fixed point form to int form. + * @dst: rect to be stored the converted value + * @src: rect in 16.16 fixed point form + */ +static inline void drm_rect_fp_to_int(struct drm_rect *dst, + const struct drm_rect *src) +{ + drm_rect_init(dst, src->x1 >> 16, src->y1 >> 16, + drm_rect_width(src) >> 16, + drm_rect_height(src) >> 16); +} + bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip); bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst, const struct drm_rect *clip); -- 2.39.5