linux-kernel - Re: [PATCH v2 1/3] drm/rect: Add DRM_RECT

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Date:   Mon, 13 Jun 2022 19:19:51 +0200
From:   José Expósito <jose.exposito89@...il.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>
Cc:     javierm@...hat.com, davidgow@...gle.com, airlied@...ux.ie,
        dlatypov@...gle.com, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, tzimmermann@...e.de,
        kunit-dev@...glegroups.com
Subject: Re: [PATCH v2 1/3] drm/rect: Add DRM_RECT_INIT() macro

On Mon, Jun 13, 2022 at 10:53:57AM +0300, Jani Nikula wrote:
> On Sun, 12 Jun 2022, José Expósito <jose.exposito89@...il.com> wrote:
> > Add a helper macro to initialize a rectangle from x, y, width and
> > height information.
> >
> > Signed-off-by: José Expósito <jose.exposito89@...il.com>
> > ---
> >  include/drm/drm_rect.h | 12 ++++++++++++
> >  1 file changed, 12 insertions(+)
> >
> > diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h
> > index 6f6e19bd4dac..945696323c69 100644
> > --- a/include/drm/drm_rect.h
> > +++ b/include/drm/drm_rect.h
> > @@ -47,6 +47,18 @@ struct drm_rect {
> >  	int x1, y1, x2, y2;
> >  };
> >  
> > +/**
> > + * DRM_RECT_INIT - initialize a rectangle from x/y/w/h
> > + * @x: x coordinate
> > + * @y: y coordinate
> > + * @w: width
> > + * @h: height
> > + *
> > + * RETURNS:
> > + * A new rectangle of the specified size.
> > + */
> > +#define DRM_RECT_INIT(x, y, w, h) { (x), (y), (x) + (w), (y) + (h) }
> 
> Please use designated initializers.
> 
> It might help type safety if it also contained a (struct drm_rect) cast.

Thanks a lot for your review Jani, just emailed v3 with your suggested
changes.

Jose
 
> BR,
> Jani.
> 
> 
> > +
> >  /**
> >   * DRM_RECT_FMT - printf string for &struct drm_rect
> >   */
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center