From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Drop vblank wait
	from	intel_dp_link_down
Date: Mon, 09 Feb 2015 15:48:44 +0200
Message-ID: <87vbjburer.fsf@intel.com>
References: <1416844451-9941-1-git-send-email-daniel.vetter@ffwll.ch>
 <CA+gsUGQQaDY-W-d0X00wMmjrZPOT6K2-FTKK_DwDO80OO_53Ng@mail.gmail.com>
 <87y4o7usxf.fsf@intel.com> <20150209133947.GM9152@intel.com>
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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTP id 2D0706E529
 for <intel-gfx@lists.freedesktop.org>; Mon,  9 Feb 2015 05:47:54 -0800 (PST)
In-Reply-To: <20150209133947.GM9152@intel.com>
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: Ville =?utf-8?B?U3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, Intel Graphics Development <intel-gfx@lists.freedesktop.org>, Daniel Vetter <daniel.vetter@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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