From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753865Ab0IQMvw (ORCPT ); Fri, 17 Sep 2010 08:51:52 -0400 Received: from mail-ew0-f46.google.com ([209.85.215.46]:44490 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752474Ab0IQMvv (ORCPT ); Fri, 17 Sep 2010 08:51:51 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; b=iWXqjJkKdF8U4e5d2LCzEbBafUlXiQtynamcyVuGzUA0ef4gKJnyOvIaGd6D/TncJv apZgtIpAkzLpTATeUkc7Rd2ucqohtMi3byOF88AgGOXGtlUVwWzP8QU4qizdn0a971py kjEXhD81JnWH5bI03nGbYEJjuuvwTRhxC1WUk= From: Vasily Khoruzhick To: Jesse Barnes Subject: Re: [Intel-gfx] Interrupt latency on some 945GM platforms Date: Fri, 17 Sep 2010 15:50:43 +0300 User-Agent: KMail/1.13.5 (Linux/2.6.36-rc4-git2-anarsoul; KDE/4.5.1; i686; ; ) Cc: Simon Farnsworth , intel-gfx@lists.freedesktop.org, Sitsofe Wheeler , Venkatesh Pallipadi , Thomas Gleixner , linux-kernel@vger.kernel.org References: <201009132336.17310.anarsoul@gmail.com> <201009171002.09187.simon.farnsworth@onelan.co.uk> <4b4d1e0a-b1ad-40f1-a829-6d4726d2b2d3@email.android.com> In-Reply-To: <4b4d1e0a-b1ad-40f1-a829-6d4726d2b2d3@email.android.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1400016.MXPSkUraqt"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <201009171550.48480.anarsoul@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart1400016.MXPSkUraqt Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable =D0=92 =D1=81=D0=BE=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D0=B8 =D0=BE=D1=82 = 17 of September 2010 19:30:26 =D0=B0=D0=B2=D1=82=D0=BE=D1=80 Jesse Barnes = =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB: > Yeah if that works we could definitely add some qos calls to the driver.= =20 > When vblanks are alive we'd need a latency less tha the refresh rate, and > when commands are oustanding we'd probably want it even lower. >=20 > Vasily, can you try the qos workaround on your machine and see if it works > too? >=20 > Thanks, Just give me a patch :) Regards Vasily --nextPart1400016.MXPSkUraqt Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) iEYEABECAAYFAkyTZCgACgkQRM6pQpltKE6TtwCdG28Q5npQYMn6N5iNCL/nfRZm vQMAoLLabLdMMqUd0eIV5cGq06P0kFQ5 =1gfq -----END PGP SIGNATURE----- --nextPart1400016.MXPSkUraqt--