[PATCH] drm: Nuke drm_calc_{h,v}scale_relaxed()

[Alex Deucher]

On Wed, Feb 6, 2019 at 1:32 PM Ville Syrjala
<ville.syrjala at linux.intel.com> wrote:
>
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> The fuzzy drm_calc_{h,v}scale_relaxed() helpers are no longer used.
> Throw them in the bin.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/drm_rect.c | 108 -------------------------------------
>  include/drm/drm_rect.h     |   6 ---
>  2 files changed, 114 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c
> index 8c057829b804..66c41b12719c 100644
> --- a/drivers/gpu/drm/drm_rect.c
> +++ b/drivers/gpu/drm/drm_rect.c
> @@ -207,114 +207,6 @@ int drm_rect_calc_vscale(const struct drm_rect *src,
>  }
>  EXPORT_SYMBOL(drm_rect_calc_vscale);
>
> -/**
> - * drm_calc_hscale_relaxed - calculate the horizontal scaling factor
> - * @src: source window rectangle
> - * @dst: destination window rectangle
> - * @min_hscale: minimum allowed horizontal scaling factor
> - * @max_hscale: maximum allowed horizontal scaling factor
> - *
> - * Calculate the horizontal scaling factor as
> - * (@src width) / (@dst width).
> - *
> - * If the calculated scaling factor is below @min_vscale,
> - * decrease the height of rectangle @dst to compensate.
> - *
> - * If the calculated scaling factor is above @max_vscale,
> - * decrease the height of rectangle @src to compensate.
> - *
> - * If the scale is below 1 << 16, round down. If the scale is above
> - * 1 << 16, round up. This will calculate the scale with the most
> - * pessimistic limit calculation.
> - *
> - * RETURNS:
> - * The horizontal scaling factor.
> - */
> -int drm_rect_calc_hscale_relaxed(struct drm_rect *src,
> -                                struct drm_rect *dst,
> -                                int min_hscale, int max_hscale)
> -{
> -       int src_w = drm_rect_width(src);
> -       int dst_w = drm_rect_width(dst);
> -       int hscale = drm_calc_scale(src_w, dst_w);
> -
> -       if (hscale < 0 || dst_w == 0)
> -               return hscale;
> -
> -       if (hscale < min_hscale) {
> -               int max_dst_w = src_w / min_hscale;
> -
> -               drm_rect_adjust_size(dst, max_dst_w - dst_w, 0);
> -
> -               return min_hscale;
> -       }
> -
> -       if (hscale > max_hscale) {
> -               int max_src_w = dst_w * max_hscale;
> -
> -               drm_rect_adjust_size(src, max_src_w - src_w, 0);
> -
> -               return max_hscale;
> -       }
> -
> -       return hscale;
> -}
> -EXPORT_SYMBOL(drm_rect_calc_hscale_relaxed);
> -
> -/**
> - * drm_rect_calc_vscale_relaxed - calculate the vertical scaling factor
> - * @src: source window rectangle
> - * @dst: destination window rectangle
> - * @min_vscale: minimum allowed vertical scaling factor
> - * @max_vscale: maximum allowed vertical scaling factor
> - *
> - * Calculate the vertical scaling factor as
> - * (@src height) / (@dst height).
> - *
> - * If the calculated scaling factor is below @min_vscale,
> - * decrease the height of rectangle @dst to compensate.
> - *
> - * If the calculated scaling factor is above @max_vscale,
> - * decrease the height of rectangle @src to compensate.
> - *
> - * If the scale is below 1 << 16, round down. If the scale is above
> - * 1 << 16, round up. This will calculate the scale with the most
> - * pessimistic limit calculation.
> - *
> - * RETURNS:
> - * The vertical scaling factor.
> - */
> -int drm_rect_calc_vscale_relaxed(struct drm_rect *src,
> -                                struct drm_rect *dst,
> -                                int min_vscale, int max_vscale)
> -{
> -       int src_h = drm_rect_height(src);
> -       int dst_h = drm_rect_height(dst);
> -       int vscale = drm_calc_scale(src_h, dst_h);
> -
> -       if (vscale < 0 || dst_h == 0)
> -               return vscale;
> -
> -       if (vscale < min_vscale) {
> -               int max_dst_h = src_h / min_vscale;
> -
> -               drm_rect_adjust_size(dst, 0, max_dst_h - dst_h);
> -
> -               return min_vscale;
> -       }
> -
> -       if (vscale > max_vscale) {
> -               int max_src_h = dst_h * max_vscale;
> -
> -               drm_rect_adjust_size(src, 0, max_src_h - src_h);
> -
> -               return max_vscale;
> -       }
> -
> -       return vscale;
> -}
> -EXPORT_SYMBOL(drm_rect_calc_vscale_relaxed);
> -
>  /**
>   * drm_rect_debug_print - print the rectangle information
>   * @prefix: prefix string
> diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h
> index 6c54544a4be7..6195820aa5c5 100644
> --- a/include/drm/drm_rect.h
> +++ b/include/drm/drm_rect.h
> @@ -182,12 +182,6 @@ int drm_rect_calc_hscale(const struct drm_rect *src,
>  int drm_rect_calc_vscale(const struct drm_rect *src,
>                          const struct drm_rect *dst,
>                          int min_vscale, int max_vscale);
> -int drm_rect_calc_hscale_relaxed(struct drm_rect *src,
> -                                struct drm_rect *dst,
> -                                int min_hscale, int max_hscale);
> -int drm_rect_calc_vscale_relaxed(struct drm_rect *src,
> -                                struct drm_rect *dst,
> -                                int min_vscale, int max_vscale);
>  void drm_rect_debug_print(const char *prefix,
>                           const struct drm_rect *r, bool fixed_point);
>  void drm_rect_rotate(struct drm_rect *r,
> --
> 2.19.2
>
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