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>
Cc: Ondrej Zajicek <santiago@crfreenet.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
unsigned int offset;
/* Calculate the offset */
- if (var->bits_per_pixel == 0) {
- offset = (var->yoffset / 16) * (var->xres_virtual / 2) + (var->xoffset / 2);
+ if (info->var.bits_per_pixel == 0) {
+ offset = (var->yoffset / 16) * (info->var.xres_virtual / 2)
+ + (var->xoffset / 2);
offset = offset >> 2;
} else {
offset = (var->yoffset * info->fix.line_length) +
- (var->xoffset * var->bits_per_pixel / 8);
- offset = offset >> ((var->bits_per_pixel == 4) ? 2 : 3);
+ (var->xoffset * info->var.bits_per_pixel / 8);
+ offset = offset >> ((info->var.bits_per_pixel == 4) ? 2 : 3);
}
/* Set the offset */