From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757890Ab1KWDcF (ORCPT ); Tue, 22 Nov 2011 22:32:05 -0500 Received: from home.keithp.com ([63.227.221.253]:53819 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755260Ab1KWDcD (ORCPT ); Tue, 22 Nov 2011 22:32:03 -0500 From: Keith Packard To: Matthew Garrett , David Woodhouse Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH] drm/i915: By default, enable RC6 on IVB and SNB when reasonable In-Reply-To: <20111122201531.GD5547@srcf.ucam.org> References: <1321684889-18691-1-git-send-email-keithp@keithp.com> <20111122201531.GD5547@srcf.ucam.org> User-Agent: Notmuch/0.9 (http://notmuchmail.org) Emacs/23.3.1 (i486-pc-linux-gnu) Date: Tue, 22 Nov 2011 19:31:34 -0800 Message-ID: <861uszfrah.fsf@sumi.keithp.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Transfer-Encoding: quoted-printable On Tue, 22 Nov 2011 20:15:31 +0000, Matthew Garrett wrote: > So the user has to choose between 5W of power saving or having dmar? And= =20 > we default to giving them dmar? I think that's going to come as a=20 > surprise to people. You'd have to go into the BIOS to turn this on for most machines at least? But, yeah, it seems like we should be turning DMAR off unless explicitly requested; I can't understand how you'd ever need this running native on the hardware. Not exactly an area I care about deeply; I've always worked hard to make sure all virtualization garbage is disabled on every machine I use. =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUBTsxpFjYtFsjWk68qAQgLLQ/+P/SxISBo2Hfwd48c/RS4H3I39CxpZG9K Q14ljTrfkrVxDAtm9gGkpvzTVHCLOpo8Y1pGtzlL+6x4J34a9fIgHXVCYzD2fJ+B SaS2WiC4NB9eG1zPPyMHqkj3bubd/x6OK+m6j3z2FVdhImhiz3kk5F1BLzGsU3nn g28ut5cgdj/JtbWrGFuAep5Tnx2DFaJgBENswbQwgkfUk74mAo5EKEteb8D2ofTI 8/loZMIxtBB5jY+EgrUth6oM8wKpQ/bEaIWu0D9dofEBdfuzD9drdeu4IxhqEEeB 23WXCmNgZzvYzxyFpGD3abLMQdoTjSWParZqSWfKfeUIzax3Wt9r1Gau70pqTA+n OxkgHOCR+5i4kQFnNLbxI25IIa5XzTFrzZ4+eScpu0t8IzKyzPVF6w0C6stdYgKl mYWu+yepmka81KoaqhA9aA7Zu3QM3iW2mn1A/jIbU3BB2HlRo7x/n5aXm4RTVxhN j+j/5nkwHVkHFdQ/Z5/dCandmnsaEEx/TJyQvIUoKXE4laskvong1/dVJDwdIoTb mYYGIMChb67k2eKhPUtQV9f5dNRhSuUJDQ6kiI/+uCnqZc9+S+cE0SxqYFfH2u8x 1ATanh156YU6llbUZkHY9Im0XVY52x3/Cjh/IX5oaWwu3oPs11HMW79hNxfB2z8R okVuqsfrD54= =bbxm -----END PGP SIGNATURE----- --=-=-=--