diff options
| -rw-r--r-- | drivers/video/console/fbcon_ud.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c index c4d7c89212b..9dd059e8b64 100644 --- a/drivers/video/console/fbcon_ud.c +++ b/drivers/video/console/fbcon_ud.c @@ -420,13 +420,15 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int ud_update_start(struct fb_info *info) { struct fbcon_ops *ops = info->fbcon_par; - u32 xoffset, yoffset; + int xoffset, yoffset; u32 vyres = GETVYRES(ops->p->scrollmode, info); u32 vxres = GETVXRES(ops->p->scrollmode, info); int err; - xoffset = (vxres - info->var.xres) - ops->var.xoffset; - yoffset = (vyres - info->var.yres) - ops->var.yoffset; + xoffset = vxres - info->var.xres - ops->var.xoffset; + yoffset = vyres - info->var.yres - ops->var.yoffset; + if (yoffset < 0) + yoffset += vyres; ops->var.xoffset = xoffset; ops->var.yoffset = yoffset; err = fb_pan_display(info, &ops->var); |