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From:   "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Date:   Sat, 30 May 2020 12:53:31 +0100
Message-ID: <CA+V-a8v81jLNq=wBWg4uP+ud1g=Z-dtatYOPJ6tnFKV83q2VCQ@mail.gmail.com>
Subject: Re: [Patch 2/2] media: use v4l2_rect_enclosed helper
To:     Benoit Parrot <bparrot@ti.com>
Cc:     Hans Verkuil <hverkuil@xs4all.nl>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        Kukjin Kim <kgene@kernel.org>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>,
        Jacek Anaszewski <jacek.anaszewski@gmail.com>,
        linux-media <linux-media@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi Benoit,

Thank you for the patch.

On Thu, May 28, 2020 at 2:26 PM Benoit Parrot <bparrot@ti.com> wrote:
>
> Several drivers implement the same enclosed_rectangle() function to
> check if a rectangle is enclosed into another. Replace this with the
> newly added v4l2_rect_enclosed() helper function.
>
> Signed-off-by: Benoit Parrot <bparrot@ti.com>
> ---
>  drivers/media/platform/am437x/am437x-vpfe.c   | 19 +++----------------

For the above:
Reviewed-by: Lad Prabhakar <prabhakar.csengg@gmail.com>

Cheers,
--Prabhakar

>  .../media/platform/exynos4-is/fimc-capture.c  | 18 +++---------------
>  drivers/media/platform/exynos4-is/fimc-lite.c | 18 +++---------------
>  drivers/media/platform/s5p-jpeg/jpeg-core.c   | 16 ++--------------
>  4 files changed, 11 insertions(+), 60 deletions(-)
>
> diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
> index 66079cc41f38..0fb9f9ba1219 100644
> --- a/drivers/media/platform/am437x/am437x-vpfe.c
> +++ b/drivers/media/platform/am437x/am437x-vpfe.c
> @@ -26,6 +26,7 @@
>  #include <media/v4l2-ctrls.h>
>  #include <media/v4l2-event.h>
>  #include <media/v4l2-fwnode.h>
> +#include <media/v4l2-rect.h>
>
>  #include "am437x-vpfe.h"
>
> @@ -1987,20 +1988,6 @@ vpfe_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
>         return 0;
>  }
>
> -static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b)
> -{
> -       if (a->left < b->left || a->top < b->top)
> -               return 0;
> -
> -       if (a->left + a->width > b->left + b->width)
> -               return 0;
> -
> -       if (a->top + a->height > b->top + b->height)
> -               return 0;
> -
> -       return 1;
> -}
> -
>  static int
>  vpfe_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
>  {
> @@ -2025,10 +2012,10 @@ vpfe_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
>         r.left = clamp_t(unsigned int, r.left, 0, cr.width - r.width);
>         r.top  = clamp_t(unsigned int, r.top, 0, cr.height - r.height);
>
> -       if (s->flags & V4L2_SEL_FLAG_LE && !enclosed_rectangle(&r, &s->r))
> +       if (s->flags & V4L2_SEL_FLAG_LE && !v4l2_rect_enclosed(&r, &s->r))
>                 return -ERANGE;
>
> -       if (s->flags & V4L2_SEL_FLAG_GE && !enclosed_rectangle(&s->r, &r))
> +       if (s->flags & V4L2_SEL_FLAG_GE && !v4l2_rect_enclosed(&s->r, &r))
>                 return -ERANGE;
>
>         s->r = vpfe->crop = r;
> diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
> index 705f182330ca..8b10741a847a 100644
> --- a/drivers/media/platform/exynos4-is/fimc-capture.c
> +++ b/drivers/media/platform/exynos4-is/fimc-capture.c
> @@ -21,6 +21,7 @@
>  #include <media/v4l2-device.h>
>  #include <media/v4l2-ioctl.h>
>  #include <media/v4l2-mem2mem.h>
> +#include <media/v4l2-rect.h>
>  #include <media/videobuf2-v4l2.h>
>  #include <media/videobuf2-dma-contig.h>
>
> @@ -1299,19 +1300,6 @@ static int fimc_cap_g_selection(struct file *file, void *fh,
>         return -EINVAL;
>  }
>
> -/* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */
> -static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b)
> -{
> -       if (a->left < b->left || a->top < b->top)
> -               return 0;
> -       if (a->left + a->width > b->left + b->width)
> -               return 0;
> -       if (a->top + a->height > b->top + b->height)
> -               return 0;
> -
> -       return 1;
> -}
> -
>  static int fimc_cap_s_selection(struct file *file, void *fh,
>                                 struct v4l2_selection *s)
>  {
> @@ -1334,11 +1322,11 @@ static int fimc_cap_s_selection(struct file *file, void *fh,
>         fimc_capture_try_selection(ctx, &rect, s->target);
>
>         if (s->flags & V4L2_SEL_FLAG_LE &&
> -           !enclosed_rectangle(&rect, &s->r))
> +           !v4l2_rect_enclosed(&rect, &s->r))
>                 return -ERANGE;
>
>         if (s->flags & V4L2_SEL_FLAG_GE &&
> -           !enclosed_rectangle(&s->r, &rect))
> +           !v4l2_rect_enclosed(&s->r, &rect))
>                 return -ERANGE;
>
>         s->r = rect;
> diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
> index 394e0818f2d5..9c666f663ab4 100644
> --- a/drivers/media/platform/exynos4-is/fimc-lite.c
> +++ b/drivers/media/platform/exynos4-is/fimc-lite.c
> @@ -25,6 +25,7 @@
>  #include <media/v4l2-device.h>
>  #include <media/v4l2-ioctl.h>
>  #include <media/v4l2-mem2mem.h>
> +#include <media/v4l2-rect.h>
>  #include <media/videobuf2-v4l2.h>
>  #include <media/videobuf2-dma-contig.h>
>  #include <media/drv-intf/exynos-fimc.h>
> @@ -868,19 +869,6 @@ static int fimc_lite_reqbufs(struct file *file, void *priv,
>         return ret;
>  }
>
> -/* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */
> -static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b)
> -{
> -       if (a->left < b->left || a->top < b->top)
> -               return 0;
> -       if (a->left + a->width > b->left + b->width)
> -               return 0;
> -       if (a->top + a->height > b->top + b->height)
> -               return 0;
> -
> -       return 1;
> -}
> -
>  static int fimc_lite_g_selection(struct file *file, void *fh,
>                                  struct v4l2_selection *sel)
>  {
> @@ -922,11 +910,11 @@ static int fimc_lite_s_selection(struct file *file, void *fh,
>         fimc_lite_try_compose(fimc, &rect);
>
>         if ((sel->flags & V4L2_SEL_FLAG_LE) &&
> -           !enclosed_rectangle(&rect, &sel->r))
> +           !v4l2_rect_enclosed(&rect, &sel->r))
>                 return -ERANGE;
>
>         if ((sel->flags & V4L2_SEL_FLAG_GE) &&
> -           !enclosed_rectangle(&sel->r, &rect))
> +           !v4l2_rect_enclosed(&sel->r, &rect))
>                 return -ERANGE;
>
>         sel->r = rect;
> diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
> index 86bda3947110..9b22dd8e34f4 100644
> --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
> +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
> @@ -24,6 +24,7 @@
>  #include <media/v4l2-event.h>
>  #include <media/v4l2-mem2mem.h>
>  #include <media/v4l2-ioctl.h>
> +#include <media/v4l2-rect.h>
>  #include <media/videobuf2-v4l2.h>
>  #include <media/videobuf2-dma-contig.h>
>
> @@ -1735,19 +1736,6 @@ static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx,
>         return 0;
>  }
>
> -/* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */
> -static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b)
> -{
> -       if (a->left < b->left || a->top < b->top)
> -               return 0;
> -       if (a->left + a->width > b->left + b->width)
> -               return 0;
> -       if (a->top + a->height > b->top + b->height)
> -               return 0;
> -
> -       return 1;
> -}
> -
>  static int exynos3250_jpeg_try_crop(struct s5p_jpeg_ctx *ctx,
>                                    struct v4l2_rect *r)
>  {
> @@ -1780,7 +1768,7 @@ static int exynos3250_jpeg_try_crop(struct s5p_jpeg_ctx *ctx,
>         r->left = round_down(r->left, 2);
>         r->top = round_down(r->top, 2);
>
> -       if (!enclosed_rectangle(r, &base_rect))
> +       if (!v4l2_rect_enclosed(r, &base_rect))
>                 return -EINVAL;
>
>         ctx->crop_rect.left = r->left;
> --
> 2.17.1
>