From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH] drm/i915: More cautious with pch fifo
	underruns
Date: Tue, 25 Nov 2014 09:38:15 +0100
Message-ID: <20141125083815.GW25711@phenom.ffwll.local>
References: <1416844965-10284-1-git-send-email-daniel.vetter@ffwll.ch>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com
 [209.85.212.179])
 by gabe.freedesktop.org (Postfix) with ESMTP id 1EB226E2F6
 for <intel-gfx@lists.freedesktop.org>; Tue, 25 Nov 2014 00:37:50 -0800 (PST)
Received: by mail-wi0-f179.google.com with SMTP id ex7so577409wid.6
 for <intel-gfx@lists.freedesktop.org>; Tue, 25 Nov 2014 00:37:49 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <1416844965-10284-1-git-send-email-daniel.vetter@ffwll.ch>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, Daniel Vetter <daniel.vetter@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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