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* [PATCH] drm/rect: remove useless call to clamp_t
@ 2019-11-19 13:34 Benjamin Gaignard
  2019-11-20 14:18 ` Jani Nikula
  2019-11-20 15:22 ` Ville Syrjälä
  0 siblings, 2 replies; 4+ messages in thread
From: Benjamin Gaignard @ 2019-11-19 13:34 UTC (permalink / raw)
  To: maarten.lankhorst, mripard, sean, airlied, daniel
  Cc: dri-devel, linux-kernel, Benjamin Gaignard

Clamping a value between INT_MIN and INT_MAX always return the value itself
and generate warnings when compiling with W=1.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
---
 drivers/gpu/drm/drm_rect.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c
index b8363aaa9032..681f1fd09357 100644
--- a/drivers/gpu/drm/drm_rect.c
+++ b/drivers/gpu/drm/drm_rect.c
@@ -89,7 +89,7 @@ bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst,
 		u32 new_src_w = clip_scaled(drm_rect_width(src),
 					    drm_rect_width(dst), diff);
 
-		src->x1 = clamp_t(int64_t, src->x2 - new_src_w, INT_MIN, INT_MAX);
+		src->x1 = src->x2 - new_src_w;
 		dst->x1 = clip->x1;
 	}
 	diff = clip->y1 - dst->y1;
@@ -97,7 +97,7 @@ bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst,
 		u32 new_src_h = clip_scaled(drm_rect_height(src),
 					    drm_rect_height(dst), diff);
 
-		src->y1 = clamp_t(int64_t, src->y2 - new_src_h, INT_MIN, INT_MAX);
+		src->y1 = src->y2 - new_src_h;
 		dst->y1 = clip->y1;
 	}
 	diff = dst->x2 - clip->x2;
@@ -105,7 +105,7 @@ bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst,
 		u32 new_src_w = clip_scaled(drm_rect_width(src),
 					    drm_rect_width(dst), diff);
 
-		src->x2 = clamp_t(int64_t, src->x1 + new_src_w, INT_MIN, INT_MAX);
+		src->x2 = src->x1 + new_src_w;
 		dst->x2 = clip->x2;
 	}
 	diff = dst->y2 - clip->y2;
@@ -113,7 +113,7 @@ bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst,
 		u32 new_src_h = clip_scaled(drm_rect_height(src),
 					    drm_rect_height(dst), diff);
 
-		src->y2 = clamp_t(int64_t, src->y1 + new_src_h, INT_MIN, INT_MAX);
+		src->y2 = src->y1 + new_src_h;
 		dst->y2 = clip->y2;
 	}
 
-- 
2.15.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-11-20 16:25 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2019-11-19 13:34 [PATCH] drm/rect: remove useless call to clamp_t Benjamin Gaignard
2019-11-20 14:18 ` Jani Nikula
2019-11-20 15:22 ` Ville Syrjälä
2019-11-20 16:25   ` Ville Syrjälä

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