From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ramalingam C <ramalingam.c@intel.com>
Subject: [PATCH v6 19/35] drm/i915: Implement the HDCP2.2
 support for HDMI
Date: Sat, 14 Jul 2018 08:45:01 +0530
Message-ID: <1531538117-1606-20-git-send-email-ramalingam.c@intel.com>
References: <1531538117-1606-1-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>
In-Reply-To: <1531538117-1606-1-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: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, daniel@ffwll.ch, seanpaul@chromium.org, tomas.winkler@intel.com, alexander.usyskin@intel.com, uma.shankar@intel.com
List-Id: dri-devel@lists.freedesktop.org
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