Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755662Ab1BARqV (ORCPT ); Tue, 1 Feb 2011 12:46:21 -0500 Received: from mga02.intel.com ([134.134.136.20]:33059 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752603Ab1BARqU (ORCPT ); Tue, 1 Feb 2011 12:46:20 -0500 Message-Id: <0d30dc$kuat3i@orsmga001.jf.intel.com> X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.60,411,1291622400"; d="scan'208";a="702903410" Date: Tue, 01 Feb 2011 17:46:05 +0000 To: Hugh Dickins Subject: Re: [PATCH] drm/i915: Suppress spurious vblank interrupts Cc: Mario Kleiner , linux-kernel@vger.kernel.org References: <849307$bc24ct@azsmga001.ch.intel.com> <1296471462-8578-1-git-send-email-chris@chris-wilson.co.uk> From: Chris Wilson In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 877 Lines: 20 On Tue, 1 Feb 2011 09:34:12 -0800 (PST), Hugh Dickins wrote: > Thanks a lot for devising this, Chris, I really appreciate it. > > But so far I can't be more enthusiastic than "seems to be a good > improvement most of the time" - though I've not spent long on this > laptop since putting it on to -rc3. Yeah, this is really just an interim patch. Removes one instance of doing work when we don't need to, but it does not answer why the vblank patches made your machines worse (since the same spurious interrupt bug is present in 2.6.37 and earlier). -Chris -- Chris Wilson, Intel Open Source Technology Centre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/