From owner-svn-src-all@FreeBSD.ORG Sat Jan 31 11:56:05 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3CED4CB5; Sat, 31 Jan 2015 11:56:05 +0000 (UTC) Received: from mail-wg0-x234.google.com (mail-wg0-x234.google.com [IPv6:2a00:1450:400c:c00::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C20251F4; Sat, 31 Jan 2015 11:56:04 +0000 (UTC) Received: by mail-wg0-f52.google.com with SMTP id y19so31057741wgg.11; Sat, 31 Jan 2015 03:56:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=6Wk2UJhWnH881aJVBBlTyKgNBEoVh8c3uPirJqvOJHU=; b=ALGv1AbPXZ3YB5FITw2aVw9V2z8o24OGVGFvjxK4wrLue7CPvYQvOaHQxtNZHPXpLB Kt5Mhf2OpBoJlTNqb9/UzkbLsnNPg5owim6/60FS2nzhsngNZg5wIlkDBHphmNIPjFRr ej2ta7BWGIExzUIDQwRilMn6/bHRHqpP0oJbSlrdqoPBfxT7WCCtP419q1pezrLd8NVz VAXgKXaVuvmoe0yx0X09F0KesHtM/4SSMkXH9z3qJ2IrfhKZKPQu73lhtC++m0YA8AQF IoEVbdwdqfwyZzHNdw1I2j21Sc46O+MnVfUvRwc2j9+VdHKfeATEV/6qjngkiBep0plG yCew== X-Received: by 10.180.211.34 with SMTP id mz2mr4098153wic.18.1422705362517; Sat, 31 Jan 2015 03:56:02 -0800 (PST) Received: from mavbook.mavhome.dp.ua ([134.249.139.101]) by mx.google.com with ESMTPSA id q10sm18952948wjr.41.2015.01.31.03.56.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 31 Jan 2015 03:56:01 -0800 (PST) Sender: Alexander Motin Message-ID: <54CCC2CF.3030400@FreeBSD.org> Date: Sat, 31 Jan 2015 13:55:59 +0200 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Adrian Chadd , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r277959 - head/sys/dev/drm2/i915 References: <201501310213.t0V2DQ8c029198@svn.freebsd.org> In-Reply-To: <201501310213.t0V2DQ8c029198@svn.freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Jan 2015 11:56:05 -0000 On 31.01.2015 04:13, Adrian Chadd wrote: > Author: adrian > Date: Sat Jan 31 02:13:25 2015 > New Revision: 277959 > URL: https://svnweb.freebsd.org/changeset/base/277959 > > Log: > Fix backlight for ivybridge based laptops (and whatever else comes through > this codepath.) > > (1<<30) is documented as BLM_PCH_OVERRIDE_ENABLE, which the current > i915 driver in Linux only sets for broadwell chips. > > This fixes the backlight control on the Lenovo X230. I've just updated my IvyBridge Asus UX31A after last few months and brightness control is now working! Yay! Thanks to everybody related! The odd effect though is that backlight is getting disabled as soon as xorg starts. First press of hardware brightness keys fixes the issue, but first time I was quite confused. Any idea what may set such default? -- Alexander Motin