From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ted Phelps Subject: Re: [PATCH 10/15] drm/i915: Invalidate fenced read domains upon flush Date: Thu, 24 Mar 2011 23:47:58 +1000 Message-ID: <2231.1300974478@orpheus.gnusto.com> References: <1300611539-24791-1-git-send-email-chris@chris-wilson.co.uk> <1300611539-24791-11-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from laika.gnusto.com (laika.gnusto.com [207.44.178.75]) by gabe.freedesktop.org (Postfix) with ESMTP id 479219E7A8 for ; Thu, 24 Mar 2011 06:57:58 -0700 (PDT) Received: from gnusto.com (orpheus.ipv6.gnusto.com [IPv6:2001:44b8:72d8:1a0:201:2ff:fe8f:d6a4]) by laika.gnusto.com (8.14.3/8.14.3) with ESMTP id p2ODlxqE025185 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 24 Mar 2011 08:48:01 -0500 Received: from orpheus.gnusto.com (localhost [127.0.0.1]) by gnusto.com (8.14.4/8.14.4) with ESMTP id p2ODlw67002232 for ; Thu, 24 Mar 2011 23:47:58 +1000 In-reply-to: Your message of Sun, 20 Mar 2011 08:58:54 GMT. <1300611539-24791-11-git-send-email-chris@chris-wilson.co.uk> 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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Chris Wilson writes: > Whenever we finish reading an object through a fence, for safety we > clear any GPU read domain and so invalidate any TLBs associated with > the fenced region upon its next use. This change is causing a regression on my Sandybridge CPU (i7 2600K). The colours all look right, but the pixels aren't in the right order. I'll try to get a screen shot for you. Thanks, -Ted