Commit 3478b1cd authored Jun 14, 2011 by Laurent Pinchart Committed by Paul Mundt Jun 15, 2011

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>

parent 83f0e27c

drivers/video/vt8500lcdfb.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -210,7 +210,7 @@ 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)
		\| (((info->var.xres_virtual - info->var.xres) * pixlen / 4) << 20)
		\| (off >> 2), fbi->regbase + 0x20);
		return 0;
		}