From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org Subject: [Bug 91333] Connecting second of two monitors to a Lenovo W520 causes displays to go crazy Date: Tue, 14 Jul 2015 03:17:59 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1657064419==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org --===============1657064419== Content-Type: multipart/alternative; boundary="1436843878.Dd2d1.14584"; charset="UTF-8" --1436843878.Dd2d1.14584 Date: Tue, 14 Jul 2015 03:17:58 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=91333 --- Comment #3 from Corey Ashford --- (In reply to Ilia Mirkin from comment #2) > While "going crazy" is rarely the right thing to do, I'd like to point out > that a GF108 only has 2 CRTC's and thus can only ever power 2 different > screens at a time. (There might be a way to drive 2 identical screens at > once from a single CRTC, not sure.) Yeah, I realize that. Just as a reference point, two external monitors works fine with Windows 7, even with just the Nvidia chip enabled (discrete graphics). With Optimus enabled, I can actually drive all three monitors simultaneously. > > I suspect a negative interactions with gnome which might get confused about > such a restriction. Maybe so. Thanks for your input :) -- You are receiving this mail because: You are the assignee for the bug. --1436843878.Dd2d1.14584 Date: Tue, 14 Jul 2015 03:17:58 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 3 on bug 91333 from 
(In reply to Ilia Mirkin from comment #2)
> While "going crazy" is rarely the right thing to do, I'd like to point out
> that a GF108 only has 2 CRTC's and thus can only ever power 2 different
> screens at a time. (There might be a way to drive 2 identical screens at
> once from a single CRTC, not sure.)

Yeah, I realize that.  Just as a reference point, two external monitors works
fine with Windows 7, even with just the Nvidia chip enabled (discrete
graphics).  With Optimus enabled, I can actually drive all three monitors
simultaneously.

> 
> I suspect a negative interactions with gnome which might get confused about
> such a restriction.

Maybe so.

Thanks for your input :)

You are receiving this mail because:
  • You are the assignee for the bug.
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