From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rob Bradford <robert.bradford@intel.com>
Subject: Re: [PATCH 21/22] drm/i915: BDW: Pipe level degamma
	correction
Date: Mon, 12 Oct 2015 19:08:42 +0100
Message-ID: <1444673322.1331.78.camel@intel.com>
References: <1444418952-5671-1-git-send-email-shashank.sharma@intel.com>
 <1444418952-5671-22-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>
In-Reply-To: <1444418952-5671-22-git-send-email-shashank.sharma@intel.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://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: <http://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>, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, jim.bish@intel.com, matthew.d.roper@intel.com, daniel.vetter@intel.com
Cc: annie.j.matheson@intel.com, kausalmalladi@gmail.com, jesse.barnes@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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