Commit c12665ff authored Jun 14, 2011 by Laurent Pinchart Committed by Paul Mundt Jun 15, 2011

imsttfb: 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>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

parent eca7370b

drivers/video/imsttfb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -749,7 +749,7 @@ set_offset (struct fb_var_screeninfo var, struct fb_info info)
		{
		struct imstt_par *par = info->par;
		__u32 off = var->yoffset * (info->fix.line_length >> 3)
		+ ((var->xoffset * (var->bits_per_pixel >> 3)) >> 3);
		+ ((var->xoffset * (info->var.bits_per_pixel >> 3)) >> 3);
		write_reg_le32(par->dc_regs, SSR, off);
		}