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

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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>
This commit is contained in:
Laurent Pinchart
2011-05-25 11:34:52 +02:00
parent c272d64111
commit 8f0246d628
1 changed files with 2 additions and 2 deletions
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drivers/video/vt8500lcdfb.c
+2 -2
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@@ -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;
}