[PATCH] drm/i915/lvds: Only act on lid notify when the device is on

[Dave Airlie]

On Fri, Apr 22, 2011 at 3:58 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Thu, 21 Apr 2011 16:08:14 -0600, Alex Williamson <alex.williamson at redhat.com> wrote:
>> If we're using vga switcheroo, the device may be turned off
>> and poking at it can cause an oops.
>
> I'm unfamiliar with what actually happens here after it is turned off. Can
> you post an OOPS for an example?

The device will be in D3, so I'm guessing we read back some register
and get 0xFFFFFFFF,
and later fail.

Dave.