From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758365AbXEPHxm (ORCPT ); Wed, 16 May 2007 03:53:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755795AbXEPHxg (ORCPT ); Wed, 16 May 2007 03:53:36 -0400 Received: from fest.stud.feec.vutbr.cz ([147.229.72.16]:53964 "EHLO fest.stud.feec.vutbr.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753066AbXEPHxf (ORCPT ); Wed, 16 May 2007 03:53:35 -0400 Message-ID: <464AB84F.8060609@stud.feec.vutbr.cz> Date: Wed, 16 May 2007 09:52:47 +0200 From: Schmidt Michal User-Agent: Icedove 1.5.0.10 (X11/20070329) MIME-Version: 1.0 To: Ondrej Zary CC: Robert Hancock , Arjan van de Ven , Linux Kernel Mailing List Subject: Re: [announce] Intel announces the PowerTOP utility for Linux References: <4648FB1B.90208@shaw.ca> <200705151830.01891.linux@rainbow-software.org> In-Reply-To: <200705151830.01891.linux@rainbow-software.org> Content-Type: multipart/mixed; boundary="------------010901040505060707060407" X-Spam-Score: -2.312 () BAYES_00 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------010901040505060707060407 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Ondrej Zary wrote: > On Tuesday 15 May 2007 02:13:15 Robert Hancock wrote: >> Looks like the radeon driver has the same problem as the i915 driver >> mentioned on the known problems page - I get 60 wakeups/sec from it on >> my Compaq X1000 laptop (Radeon 9000 graphics) while in X, which >> essentially prevents entry into C3. > > And Rage 128 too. > I have a Radeon 7500 in my laptop. The attached hack to disable the VBLANK interrupt works for me. I don't know if it breaks 3D, I've only tried 2D. Michal --------------010901040505060707060407 Content-Type: text/plain; name="radeon-no-vblank-int.diff" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="radeon-no-vblank-int.diff" diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c index 3ff0baa..a990bb6 100644 --- a/drivers/char/drm/radeon_irq.c +++ b/drivers/char/drm/radeon_irq.c @@ -227,9 +227,8 @@ void radeon_driver_irq_postinstall(drm_device_t * dev) atomic_set(&dev_priv->swi_emitted, 0); DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); - /* Turn on SW and VBL ints */ - RADEON_WRITE(RADEON_GEN_INT_CNTL, - RADEON_CRTC_VBLANK_MASK | RADEON_SW_INT_ENABLE); + /* Turn on the SW interrupt */ + RADEON_WRITE(RADEON_GEN_INT_CNTL, RADEON_SW_INT_ENABLE); } void radeon_driver_irq_uninstall(drm_device_t * dev) --------------010901040505060707060407--