Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933882Ab3GWSqq (ORCPT ); Tue, 23 Jul 2013 14:46:46 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:56295 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933683Ab3GWSqp (ORCPT ); Tue, 23 Jul 2013 14:46:45 -0400 Message-ID: <1374605189.31029.25.camel@fourier> Subject: Re: Linux 3.11-rc2 (acpi backlight) From: Kamal Mostafa To: "Rafael J. Wysocki" Cc: Linus Torvalds , James Hogan , Linux Kernel Mailing List , Matthew Garrett , "Rafael J. Wysocki" , Steven Newbury , ACPI Devel Maling List Date: Tue, 23 Jul 2013 11:46:29 -0700 In-Reply-To: <9012759.Alzqtdvh5b@vostro.rjw.lan> References: <5728692.GlhGgHY92H@vostro.rjw.lan> <9012759.Alzqtdvh5b@vostro.rjw.lan> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-lqqy07Vgp17JQ/x5L8IR" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2578 Lines: 78 --=-lqqy07Vgp17JQ/x5L8IR Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2013-07-22 at 21:54 +0200, Rafael J. Wysocki wrote: > On Monday, July 22, 2013 11:11:54 AM Linus Torvalds wrote: > > On Mon, Jul 22, 2013 at 6:02 AM, Rafael J. Wysocki wrote: > > > > > > Linus, do you want me to send a pull request reverting 8c5bd7a and ef= aa14c? > >=20 > > Yes, but [...] I'd suggest doing the revert just in time for > > rc3, but waiting until then to gather info about people who see > > breakage. > >=20 > > Sound like a plan? >=20 > Yes, it does. >=20 > Rafael Hi Rafael- For your reference... As James Hogan reported, those ACPI changes break backlight control on the "Dell XPS13" Ivy Bridge models (the Sandy Bridge XPS13 model is not affected). I confirm that reverting 8c5bd7a and efaa14c fixes it again. Also FYI... On Mon, 2013-07-22 at 00:08 +0100, James Hogan wrote: > Note that acpi_video0 only worked because I was applying "[PATCH] > drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight" [1], so > strictly speaking mainline already didn't work. > [1] http://lkml.org/lkml/2013/7/19/748 That patch is now queued up in drm-intel/drm-intel-fixes, so should be making its way to mainline soon. -Kamal --=-lqqy07Vgp17JQ/x5L8IR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABCAAGBQJR7s+FAAoJEHqwmdxYrXhZZ5gP/04OQ6KQaNYBRgIIdv3/xKOF 3297CwFPYYeHDagrac58o2QwTghmwHDhUFLRN+4yP1CRfKgGede/ye4LnNL7EZhL jJQfMtCGhrFvbuittgqg4tB1sKWcBuEErenmap0VsFM8kELBDOD6ICK/fSStd78I LH13o7few/PO1XwxcDtica5oQKqZbUPGQV6njOu7TTPQu1K4fWst4BQvh77p+x0P /bUmqn0wvY+XuyfgFSSSZ/VhBpvrtoI035OqwOY5BJafX4Jd0cN4DrulXZrdh3lm MBMemEGJXgMomdqvS7LuyqTkAKQnMDpooiEk1hJpxrW1Cc1OyJ5O6ubXQgcOzr3U dvo/WSgLWvACtm4I+8ta+EFsuf29uuTL/oZ5n0IUve6X8zCNNKznNp6yrx0smYRf BLPhQmJcvUK9O92XqPMM3x9NNdWjewwA9HKzrQwu1pihJSBPn95J7dthr9dV/bRA c4T50jI7XbtMNY/kt/bVvJfDaIH8iJ4LdMLXOsD15apV4WwMQMpcNJcW5bV7fejG 2rkaMh15DsUD9r+IZQTAK+oNbuYf03tvA2zTx8KGX2VhJVj9IZ6j91/LpYuUr3yQ mKDlCjUzjQnZU0e6siue3SvIGG4E03sBSVlqJqWbldgkMBHye6aqoZbj3NHQ9Nd6 Sy7ZhLmR+zakrGdW8nSn =UVh+ -----END PGP SIGNATURE----- --=-lqqy07Vgp17JQ/x5L8IR-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/