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>

diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c
index 0e120d67eb65074eb0f337ff9d29e10cdae134a3..c13c246be9a56ddd68b398e00f123937517c80fa 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;
 }