From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754050AbZERTBo (ORCPT ); Mon, 18 May 2009 15:01:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753219AbZERTBg (ORCPT ); Mon, 18 May 2009 15:01:36 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:56870 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752938AbZERTBf (ORCPT ); Mon, 18 May 2009 15:01:35 -0400 From: "Rafael J. Wysocki" To: ACPI Devel Maling List Subject: Re: [i915] Kernel does not compile when set to use i915 kernel mode-setting per default (CONFIG_DRM_I915_KMS=y) Date: Mon, 18 May 2009 21:01:06 +0200 User-Agent: KMail/1.11.2 (Linux/2.6.30-rc6-rjw; KDE/4.2.3; x86_64; ; ) References: In-Reply-To: Cc: Zorael , Len Brown , LKML MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200905182101.06511.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding CCs. On Monday 18 May 2009, you wrote: > (First post, so please CC to zorael@gmail.com in case it doesn't automatically.) > > > I'm trying to compile 2.6.30-rc6 to enable kernel mode-setting *per > default*, for my Intel 945GME video chipset. Alas, when compiling, it > halts with the following tidbit: > > ... > LD .tmp_vmlinux1 > drivers/built-in.o: In function `intel_opregion_free': > /usr/src/linux/drivers/gpu/drm/i915/i915_opregion.c:422: undefined > reference to `acpi_video_exit' > drivers/built-in.o: In function `intel_opregion_init': > /usr/src/linux/drivers/gpu/drm/i915/i915_opregion.c:393: undefined > reference to `acpi_video_register' > make[1]: *** [.tmp_vmlinux1] Error 1 > make[1]: Leaving directory `/usr/src/linux-2.6.29' > make: *** [debian/stamp/build/kernel] Error 2 > > > grepping acpi_video_register recursively I see it's defined as an > empty function in ./include/acpi/video.h, and as a more proper > function in ./drivers/acpi/video.c. Does somehow setting it to use KMS > per default via CONFIG_DRM_I915_KMS=y stop it from reading those > files? > > I used to run with KMS by default in the early -30rc*s, but at some > point (rc2?), it stopped compiling succesfully. If I don't enable it > per default, it *does* compile, though I don't know how to explicitly > enable it at boot-time. So I'm living without KMS for the time being. > Woe. > > Anything obvious I'm doing wrong? > > -- Zorael