From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Subject: Re: [PATCH v2] drm/i915: Wait for PSR exit before
 checking for vblank evasion
Date: Tue, 19 Jun 2018 16:11:11 -0700
Message-ID: <1529449871.12516.22.camel@intel.com>
References: <20180514204922.82073-1-tarun.vyas@intel.com>
 <20180514204922.82073-3-tarun.vyas@intel.com>
 <1529443637.12516.15.camel@intel.com> <1529445247.12516.18.camel@intel.com>
 <20180619215954.GA141946@otc-chromeosbuild-5>
Reply-To: dhinakaran.pandiyan@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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTPS id E165F6E657
 for <intel-gfx@lists.freedesktop.org>; Tue, 19 Jun 2018 22:45:16 +0000 (UTC)
In-Reply-To: <20180619215954.GA141946@otc-chromeosbuild-5>
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: Tarun Vyas <tarun.vyas@intel.com>
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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=