fbdev: sh_mobile_lcdc: Fix vertical panning step

Commit 15dede882e564601947f2ce4b647742c0351be6d added support for
horizontal panning but accidentally computes the Y pan step value
incorrectly for NV12/21 and NV16/61 formats. Fix this.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

drivers/video/sh_mobile_lcdcfb.c

@@ -1716,11 +1716,11 @@ sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl)
 		info->fix.visual = FB_VISUAL_TRUECOLOR;
 
 	switch (ovl->format->fourcc) {
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV61:
-		info->fix.ypanstep = 2;
 	case V4L2_PIX_FMT_NV12:
 	case V4L2_PIX_FMT_NV21:
+		info->fix.ypanstep = 2;
+	case V4L2_PIX_FMT_NV16:
+	case V4L2_PIX_FMT_NV61:
 		info->fix.xpanstep = 2;
 	}
 
@@ -2215,11 +2215,11 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
 		info->fix.visual = FB_VISUAL_TRUECOLOR;
 
 	switch (ch->format->fourcc) {
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV61:
-		info->fix.ypanstep = 2;
 	case V4L2_PIX_FMT_NV12:
 	case V4L2_PIX_FMT_NV21:
+		info->fix.ypanstep = 2;
+	case V4L2_PIX_FMT_NV16:
+	case V4L2_PIX_FMT_NV61:
 		info->fix.xpanstep = 2;
 	}