From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH 2/2] drm/i915: re-enable rc6 by default Date: Mon, 14 Nov 2011 13:22:37 -0800 Message-ID: <20111114132237.53e8c4ed@jbarnes-desktop> References: <1321303155-12624-1-git-send-email-eugeni.dodonov@intel.com> <1321303155-12624-2-git-send-email-eugeni.dodonov@intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0414475524==" Return-path: Received: from oproxy4-pub.bluehost.com (oproxy4-pub.bluehost.com [69.89.21.11]) by gabe.freedesktop.org (Postfix) with SMTP id 2BE71A0980 for ; Mon, 14 Nov 2011 13:21:59 -0800 (PST) In-Reply-To: <1321303155-12624-2-git-send-email-eugeni.dodonov@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Eugeni Dodonov Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============0414475524== Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/TLEtx/p9CrKjrOY9mzDJouK"; protocol="application/pgp-signature" --Sig_/TLEtx/p9CrKjrOY9mzDJouK Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 14 Nov 2011 18:39:15 -0200 Eugeni Dodonov wrote: > Most of the rc6-related hangs and major issues were addressed for the past > months. >=20 > Let's re-enable it by default to provide a more wider testing, and catch > the remaining problems. >=20 > According to tests, enablement of rc6 results in up to +50% improvements > in power usage and battery life, so it certainly would be a nice feature > to have enabled by default. >=20 > Also, most of the issues related to rc6 seem to came from VTd, so if you > are experiencing any problems with it, try disabling VTd in bios or using > intel_iommu=3Doff kernel parameter to investigate whether it solves the > issue. Yes please. Acked-by: Jesse Barnes --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/TLEtx/p9CrKjrOY9mzDJouK Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBAgAGBQJOwYadAAoJEIEoDkX4Qk9hujAP/R9IoB7XEPfNK1/DMa8lEsyL w9NG89ePx+Wad5wx8ajPmYIIdHalA9AOoCuM9R9ip+KX64qYX0ly78GQN34CKeKY fpdgjaD8pI1BphpAYwK9FV7yEnGx20RjwyjrgjedttCrxZBOJy2wT/dO2c+SPTZ7 F+kKsXH3IIN1KvnNCAE6nPOCTyEo7VlpSGzHZ59nrpItkcWzpenIl77BEI44KrB1 GbYXHE0VkKvZ4qDp1nX0ub8dudKaubvD8eMdYPmeSqG38nyvQt0oDVkuJB9AtWYl n2rguWk1/VpMTG9vIPvPaYgW/BHWwqeUXBDGjp2UJqvIOgO0n33oRFQ0aBLUfkH/ Tv+IaA+lWeTAq6ZMUHD9ACP3cMVej8ceb/nfD9nU6Q1NNjwzt9SiQ/D9M79wxDKU +haJ9EWJOiq4URAor10e31CyoSSfVuU9argqT3CtmVebEnNNBtrgIacnXrOuqDQ7 fjgjvF2FZkyUVSaL5p37KePuKnHtWF6agRNcey2syyI+8nMo9jfkKWqVAOFWK21j mqGast0jweSYsmNuyYeE07zIdYw71SUexJnnryhckfuCrveQfQ4Ec4BirdYCVB2E mvkS+fO8uHrFDwgAhKAllvhzTBtOlBTOYLZI9hTqsnhJCFMFuel+mdm8pYw40umm 0s2dIrgzqzsEfKpxjewh =7/fj -----END PGP SIGNATURE----- --Sig_/TLEtx/p9CrKjrOY9mzDJouK-- --===============0414475524== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============0414475524==--