Something

[stijn@hermes ~]$ cat src/xf86-video-intel/bios-mode-information.patch 
commit ae56eda40dd9289e1b3922ebc300f6fda8fe2072
Author: Eric Anholt <eric@anholt.net>
Date:   Thu Aug 9 14:47:14 2007 -0700

    i830_lvds.c: Use the BIOS mode instead of the probed one.

diff --git a/src/i830_lvds.c b/src/i830_lvds.c
index 18e5c2b..e4fca8b 100644
--- a/src/i830_lvds.c
+++ b/src/i830_lvds.c
@@ -584,13 +584,14 @@ i830_lvds_init(ScrnInfoPtr pScrn)
            {
                xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
                           "BIOS panel mode data doesn't match probed data, "
-                          "continuing with probed.\n");
+                          "continuing with BIOS.\n");
                xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BIOS mode:\n");
                xf86PrintModeline(pScrn->scrnIndex, bios_mode);
                xf86DrvMsg(pScrn->scrnIndex, X_INFO, "probed mode:\n");
                xf86PrintModeline(pScrn->scrnIndex, dev_priv->panel_fixed_mode);
-               xfree(bios_mode->name);
-               xfree(bios_mode);
+               xfree(dev_priv->panel_fixed_mode->name);
+               xfree(dev_priv->panel_fixed_mode);
+               dev_priv->panel_fixed_mode = bios_mode;
            }
        }  else {
            dev_priv->panel_fixed_mode = bios_mode;