From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Subject: Re: [PATCH 5/5] drm/i915: Add YCBCR 4:2:0 support for
	LSPCON
Date: Mon, 18 Dec 2017 20:23:29 +0100
Message-ID: <f6bd3f1f-a3f2-c372-b424-4bd82d93ad44@linux.intel.com>
References: <1510672646-29918-1-git-send-email-shashank.sharma@intel.com>
 <1510672646-29918-6-git-send-email-shashank.sharma@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 mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 6A78289D3E
 for <intel-gfx@lists.freedesktop.org>; Mon, 18 Dec 2017 19:23:34 +0000 (UTC)
In-Reply-To: <1510672646-29918-6-git-send-email-shashank.sharma@intel.com>
Content-Language: en-US
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: Shashank Sharma <shashank.sharma@intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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