I have a some problems using the new xf86-video-i810 2.0.0 driver on a Dell widescreen laptop. If no monitor is plugged in to the VGA port, the server starts up fine on the LCD. If I then plug in a VGA monitor and press the hotkey, the driver reads all the EDIDs, but doesn't actually seem to do anything. If the resolution is changed to something generic like 1024x768 first the behaviour is the same. I'll attach the Xorg.0.log output on a hotkey switch. If a monitor is connected when the server is started, I get displays on both screens, but there seems to be some confusion over what the mode actually is. Gnome's resolution setting tool claims one thing, xwininfo claims another, and the panel is put in the wrong place on the screen. Again the hotkey switching reads the EDIDs, but nothing changes.
Created attachment 9965 [details] Log from hotkey press
hotkey is likely to be an ACPI issue. would you please go to http://bugzilla.kernel.org/ and open a bug under ACPI category? We will have people help you there. I'm going to resolve this bug as wontfix, and please reopen if it can't be resolved there. thanks!
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.