[Bug 34155] sleep and hibernate don't work on Dell C640 (regression from breezy)

[Lucas Nussbaum]

Public bug reported:
https://launchpad.net/malone/bugs/34155

Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

Description:
Suspend and Hibernate don't work on a Dell C640. Hibernate used to work
perfectly in Breezy. I never tried Suspend with Breezy.

When resuming from Suspend/Hibernate, the screen comes back garbled.

xorg.org device section for the graphic card:
Section "Device"
        Identifier      "ATI Technologies, Inc. Radeon Mobility M7 LW [Radeon Mo
bility 9000]"
        Driver          "ati"
        BusID           "PCI:1:0:0"
EndSection