[Bug 35398] External monitor max resolution 1024x768 detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35398

--- Comment #4 from Alex Deucher <agd5f at yahoo.com> 2011-03-19 13:09:27 PDT ---
(In reply to comment #2)
> Using vga_switcheroo.
> 
> played with "xrandr --addmode" and 1680x1050 work, so it's a detection problem.

The i2c mux is not getting swapped properly when you switch between the gpus. 
There's probably some additional set of acpi calls needed for your system.

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