vt8500lcdfb: use display information in info not in var for panning

We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c
index 0e120d6..c13c246 100644 (file)
--- a/drivers/video/vt8500lcdfb.c
+++ b/drivers/video/vt8500lcdfb.c
@@ -210,8 +210,8 @@ static int vt8500lcd_pan_display(struct fb_var_screeninfo *var,
        struct vt8500lcd_info *fbi = to_vt8500lcd_info(info);
 
        writel((1 << 31)
-               | (((var->xres_virtual - var->xres) * pixlen / 4) << 20)
-               | (off >> 2), fbi->regbase + 0x20);
+            | (((info->var.xres_virtual - info->var.xres) * pixlen / 4) << 20)
+            | (off >> 2), fbi->regbase + 0x20);
        return 0;
 }