I made a test today and reverted to the default "intel" driver from the
repositories with generic xorg.conf and modified '/etc/default/acpi-
support' file. To make my notebook resume properly, with both drivers
(patched and official one) I only need to disable the following options:

# Should we save and restore state using the VESA BIOS Extensions?
#SAVE_VBE_STATE=true
# The file that we use to save the vbestate
#VBESTATE=/var/lib/acpi-support/vbestate

The other options, that I have had disabled in my previous post do not
effect suspend/resume on my notebook.

I know, that the following is a bit out of place in this bug, but there
are a lot of misleading described bug reports out there and I don't know
how to describe this problem correctly. You can laugh about it, but it
is really a problem sometimes. :)

The official driver from the repos can handle switching to a hot-plugged 
external monitor. Resolution auto adjustment is not perfect, but still.
With the patched driver from Peter, switching to a hot-plugged external monitor 
leads to black screen and system freeze, where even syscalls don't help.

-- 
[Gutsy Beta] Black screen when resume from Suspend to RAM
https://bugs.launchpad.net/bugs/150109
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