drm/edid: Fix the HDTV hack sync adjustment

commit a4967de6 upstream.

We're adjusting horizontal timings only here, moving vsync was just a
slavish translation of a typo in the X server.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/gpu/drm/drm_edid.c

@@ -565,8 +565,8 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev,
 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
 				    false);
 		mode->hdisplay = 1366;
-		mode->vsync_start = mode->vsync_start - 1;
-		mode->vsync_end = mode->vsync_end - 1;
+		mode->hsync_start = mode->hsync_start - 1;
+		mode->hsync_end = mode->hsync_end - 1;
 		return mode;
 	}
 	mode = NULL;