On Tue, 19 Nov 2019, Benjamin Gaignard <benjamin.gaignard@xxxxxx> wrote: > Clamping a value between INT_MIN and INT_MAX always return the value itself > and generate warnings when compiling with W=1. Does that hold for 32-bit too? BR, Jani. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx> > --- > 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; > } -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
