commit 09a9168d4c3f3bf3b0f9306966379df500f201d2
author Laurent Pinchart <laurent.pinchart@ideasonboard.com> Wed May 25 11:34:52 2011 +0200
committer Laurent Pinchart <laurent.pinchart@ideasonboard.com> Fri Aug 19 10:31:39 2011 +0200
tree 2ba8d65b709425a05fdb655e4c1c23162251d1a1
parent 7b116e54920ff9b8bf082fb3c371187ed075ac38

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>

drivers/video/imsttfb.c

diff --git a/drivers/video/imsttfb.c b/drivers/video/imsttfb.c
index efb2c10..8149356 100644
--- a/drivers/video/imsttfb.c
+++ b/drivers/video/imsttfb.c
@@ -749,7 +749,7 @@
 {
 	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);
 }