From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 1F4CE1389E2 for ; Wed, 17 Dec 2014 09:53:18 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id E09A9E0973; Wed, 17 Dec 2014 09:53:08 +0000 (UTC) Received: from smtpq2.tb.mail.iss.as9143.net (smtpq2.tb.mail.iss.as9143.net [212.54.42.165]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 40757E0929 for ; Wed, 17 Dec 2014 09:53:07 +0000 (UTC) Received: from [212.54.42.136] (helo=smtp5.tb.mail.iss.as9143.net) by smtpq2.tb.mail.iss.as9143.net with esmtp (Exim 4.82) (envelope-from ) id 1Y1BI1-0004ug-BO for gentoo-user@lists.gentoo.org; Wed, 17 Dec 2014 10:53:05 +0100 Received: from 53579160.cm-6-8c.dynamic.ziggo.nl ([83.87.145.96] helo=data.antarean.org) by smtp5.tb.mail.iss.as9143.net with esmtp (Exim 4.82) (envelope-from ) id 1Y1BI1-00025S-4Q for gentoo-user@lists.gentoo.org; Wed, 17 Dec 2014 10:53:05 +0100 Received: from andromeda.localnet (unknown [10.20.13.200]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by data.antarean.org (Postfix) with ESMTPSA id DF2F24B for ; Wed, 17 Dec 2014 10:53:01 +0100 (CET) From: "J. Roeleveld" To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Nvidia and optimus Date: Wed, 17 Dec 2014 10:53:03 +0100 Message-ID: <3066572.K6IAvtWe5y@andromeda> Organization: Antarean User-Agent: KMail/4.12.5 (Linux/3.16.5-gentoo; KDE/4.12.5; x86_64; ; ) In-Reply-To: References: <5490A6A2.5070902@baums-on-web.de> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Ziggo-spambar: ---- X-Ziggo-spamscore: -4.9 X-Ziggo-spamreport: ALL_TRUSTED=-1,BAYES_00=-1.9,PROLO_TRUST_RDNS=-3,RDNS_DYNAMIC=0.982 X-Ziggo-Spam-Status: No X-Spam-Status: No X-Spam-Flag: No X-Archives-Salt: 5c1b7f18-c9d0-466e-b226-d91dec914a2b X-Archives-Hash: d1d24286d8df78a492bbd1d991fefed2 On Wednesday, December 17, 2014 01:09:16 PM behrouz khosravi wrote: > > You need bumblebee. Otherwise it's not possible to use the Nvidia > > Optimus chip. > > I think that it is possible, or supposed to be possible! > The gentoo wiki says that Nvidia drivers are now supporting the optimus, so > it is called "native optimus support" > > > > I just waned to use optimus without that, but it seem the it is not > > > easy! > > > > It's not possible, because the Nvidia Optimus chip isn't a full featured > > graphics card, and doesn't write directly to the screen. Joost already > > explained it pretty well. > > > > Exactly, that is why the Nvidia driver is using the xrandr for offloading > > the tasks. That convoluted method (xrandr......) is what bumblebee does in the background. Along with enabling/disabling the nvidia chip. -- Joost