From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Khoruzhick Subject: Re: [PATCH] drm/i915: Use PM QoS to prevent C-state memory starvation of the GPU Date: Wed, 8 Dec 2010 20:14:16 +0200 Message-ID: <201012082014.16654.anarsoul@gmail.com> References: <20100921202607.2b46ffca@gmail.com> <201012081900.17607.anarsoul@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ey0-f170.google.com (mail-ey0-f170.google.com [209.85.215.170]) by gabe.freedesktop.org (Postfix) with ESMTP id D9CAC9E732 for ; Wed, 8 Dec 2010 10:14:58 -0800 (PST) Received: by eyf5 with SMTP id 5so1004076eyf.15 for ; Wed, 08 Dec 2010 10:14:58 -0800 (PST) In-Reply-To: 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: Andrew Lutomirski Cc: intel-gfx@lists.freedesktop.org, Paolo Ornati List-Id: intel-gfx@lists.freedesktop.org On Wednesday 08 December 2010 19:54:59 Andrew Lutomirski wrote: > On Wed, Dec 8, 2010 at 12:00 PM, Vasily Khoruzhick wrote: > > On Wednesday 08 December 2010 18:54:21 Chris Wilson wrote: > >> On Wed, 8 Dec 2010 18:44:41 +0200, Vasily Khoruzhick > >> > > > > wrote: > >> > On Wednesday 08 December 2010 18:24:35 Chris Wilson wrote: > >> > > This is just a preliminary attempt to see if this even helps. > >> > > Obviously some more effort will need to be spent investigating a > >> > > better choice of latency and when we need to request it, but first: > >> > > does this help? > >> > > >> > Sorry, but it does not. glxgears is still jerky. > > Do you have the 2.6.36.2 candidate patch that fixes pm_qos in? From > the description, it looks like pm_qos doesn't work at all without it. Nope, where I can get this patch? Regards Vasily