From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 16/20] drm/i915: Ensure that while(INREG()) are bounded (v2) Date: Tue, 21 Sep 2010 15:35:27 +0100 Message-ID: <8u3s8d$jl04r0@orsmga001.jf.intel.com> References: <1281175299-1379-1-git-send-email-chris@chris-wilson.co.uk> <1281175299-1379-17-git-send-email-chris@chris-wilson.co.uk> <20100921142200.GA11567@Pilar.aei.mpg.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id EEC5B9E7C2 for ; Tue, 21 Sep 2010 07:35:30 -0700 (PDT) In-Reply-To: <20100921142200.GA11567@Pilar.aei.mpg.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: "Carlos R. Mafra" Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Tue, 21 Sep 2010 16:22:00 +0200, "Carlos R. Mafra" wrote: > [ 0.954724] ACPI: Battery Slot [BAT0] (battery present) > [ 2.266008] [drm:intel_lvds_set_power] *ERROR* timed out waiting to enable LVDS pipeConsole: switching to colour frame buffer device 160x50 > [ 2.274860] fb0: inteldrmfb frame buffer device > > But I have this 1+ sec gap in there for as long as I remember. > > Full dmesg is here: > http://www.aei.mpg.de/~crmafra/dmesg-2.6.36-rc5.txt > > Is there anything else I can provide to help this? > I would love to get rid of the 1 sec delay there :-) Sure. Try git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel.git drm-intel-next which tries to avoid that busy spin. -Chris -- Chris Wilson, Intel Open Source Technology Centre