[Nouveau] Why report LVDS as disconnected when lid is closed?

Tavian Barnes tavianator at gmail.com
Wed Feb 24 20:44:54 PST 2010

On 24 February 2010 23:39, Ben Skeggs <skeggsb at gmail.com> wrote:
> On Thu, 2010-02-25 at 10:01 +1000, Ben Skeggs wrote:
>> On Wed, 2010-02-24 at 18:51 -0500, Tavian Barnes wrote:
>> > What's the motivation behind commit 60821e0 (drm/nouveau: report LVDS
>> > as disconnected if lid closed)?  The only noticeable effect I can see
>> > from it is that if I turn on my laptop and then close the lid, X fails
>> > to start as it can't find any screens.  In fact, if I close the lid
>> > before nouveau initialises, I don't even get a framebuffer console.
>> >
>> > I know I can just use the ignorelid module param, but what's the
>> > benefit without it?
>> The benefit is people on laptops with docking stations can close the
>> lid, and have two external outputs light up.  Otherwise, LVDS (which
>> isn't visible because the lid is closed) will likely be programmed and
>> only one external display.
> Ok, there's been a slight change made in latest nouveau git that should
> allow the best of both worlds.
> Ben.

I just saw it, thanks.  That seems like a good behaviour to me.

Tavian Barnes

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