From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Vivi, Rodrigo" <rodrigo.vivi@intel.com>
Subject: Re: [PATCH] drm/i915: Avoid vblank counter for gen9+
Date: Fri, 12 Feb 2016 16:21:33 +0000
Message-ID: <1455294140.5591.418.camel@intel.com>
References: <1455210047-1574-1-git-send-email-rodrigo.vivi@intel.com>
 <20160212093430.GC2330@boom> <1455292681.5591.412.camel@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 70F2F6EAF2
 for <intel-gfx@lists.freedesktop.org>; Fri, 12 Feb 2016 08:21:34 -0800 (PST)
In-Reply-To: <1455292681.5591.412.camel@intel.com>
Content-Language: en-US
Content-ID: <250DF2FC4DE24F4582068770F4B09C10@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: "david.weinehall@linux.intel.com" <david.weinehall@linux.intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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