drm: Flatten drm_mode_vrefresh()

Remove the pointless whole-function indentation. Also don't
need to worry about negative values anymore since we switched
everything to u16.

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428171940.19552-10-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 77d6812..f2865f8 100644 (file)
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -757,24 +757,22 @@ EXPORT_SYMBOL(drm_mode_set_name);
  */
 int drm_mode_vrefresh(const struct drm_display_mode *mode)
 {
-       int refresh = 0;
+       unsigned int num, den;
 
-       if (mode->htotal > 0 && mode->vtotal > 0) {
-               unsigned int num, den;
+       if (mode->htotal == 0 || mode->vtotal == 0)
+               return 0;
 
-               num = mode->clock * 1000;
-               den = mode->htotal * mode->vtotal;
+       num = mode->clock * 1000;
+       den = mode->htotal * mode->vtotal;
 
-               if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-                       num *= 2;
-               if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                       den *= 2;
-               if (mode->vscan > 1)
-                       den *= mode->vscan;
+       if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+               num *= 2;
+       if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+               den *= 2;
+       if (mode->vscan > 1)
+               den *= mode->vscan;
 
-               refresh = DIV_ROUND_CLOSEST(num, den);
-       }
-       return refresh;
+       return DIV_ROUND_CLOSEST(num, den);
 }
 EXPORT_SYMBOL(drm_mode_vrefresh);