From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sean Paul <seanpaul@chromium.org>
Subject: Re: [PATCH 22/43] drm/i915: Async execution of hdcp
 authentication
Date: Thu, 22 Feb 2018 09:39:33 -0500
Message-ID: <20180222143933.GA223881@art_vandelay>
References: <1518617638-21684-1-git-send-email-ramalingam.c@intel.com>
 <1518617638-21684-23-git-send-email-ramalingam.c@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 mail-yb0-x242.google.com (mail-yb0-x242.google.com
 [IPv6:2607:f8b0:4002:c09::242])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 2C27C6EE0D
 for <intel-gfx@lists.freedesktop.org>; Thu, 22 Feb 2018 14:39:35 +0000 (UTC)
Received: by mail-yb0-x242.google.com with SMTP id i13-v6so1786636ybl.9
 for <intel-gfx@lists.freedesktop.org>; Thu, 22 Feb 2018 06:39:35 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <1518617638-21684-23-git-send-email-ramalingam.c@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: Ramalingam C <ramalingam.c@intel.com>
Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com, tomas.winkler@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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