From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shea Levy Subject: Macbook Pro 5,3 Video Issues Date: Tue, 20 Mar 2012 18:09:07 -0400 Message-ID: <4F690003.1040404@shealevy.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Errors-To: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org Hello, On my system (Linux 3.3, booting in EFI mode, using Nouveau with nouveau.noaccel=1 due to https://bugs.freedesktop.org/show_bug.cgi?id=27501 ), I can't figure out how to change the backlight or switch which of the two graphics cards (I have an Nvidia 9600M GT and a 9400M, both are recognized by nouveau but only the 9400M is ever used) Linux uses for the framebuffer or X uses for the output. I have /sys/class/backlight/nv_backlight, and writting to nv_backlight/brightness does change the value in nv_backlight/actual_brightness, but no actual screen changes occur. I'm using the in-tree staging version of nouveau, so I wasn't sure which ML this should go to. Cheers, Shea Levy From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758630Ab2CTWJP (ORCPT ); Tue, 20 Mar 2012 18:09:15 -0400 Received: from caibbdcaaaaf.dreamhost.com ([208.113.200.5]:33405 "EHLO homiemail-a91.g.dreamhost.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758609Ab2CTWJK (ORCPT ); Tue, 20 Mar 2012 18:09:10 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=shealevy.com; h=message-id:date :from:mime-version:to:subject:content-type: content-transfer-encoding; q=dns; s=shealevy.com; b=YU/tcrsv/pvD sGD6s+KlqcsqMff2t/l8ihOfLW70sDVUNuTGl/nMtwYuV+U7LbZTmM7rod3viAQ+ QmvHFJUFN5sHUyRQZNF8qGE9DxKng76JrC7Gnahk9EZm7GWKjQhh7SLp2CiPGtnD M2FVbRv1hY8jkVMkfR3iRzA4Fgsf0N0= Message-ID: <4F690003.1040404@shealevy.com> Date: Tue, 20 Mar 2012 18:09:07 -0400 From: Shea Levy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20120311 Thunderbird/9.0.1 MIME-Version: 1.0 To: linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org Subject: Macbook Pro 5,3 Video Issues Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On my system (Linux 3.3, booting in EFI mode, using Nouveau with nouveau.noaccel=1 due to https://bugs.freedesktop.org/show_bug.cgi?id=27501 ), I can't figure out how to change the backlight or switch which of the two graphics cards (I have an Nvidia 9600M GT and a 9400M, both are recognized by nouveau but only the 9400M is ever used) Linux uses for the framebuffer or X uses for the output. I have /sys/class/backlight/nv_backlight, and writting to nv_backlight/brightness does change the value in nv_backlight/actual_brightness, but no actual screen changes occur. I'm using the in-tree staging version of nouveau, so I wasn't sure which ML this should go to. Cheers, Shea Levy