From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [v4 2/4] drm/i915/icl: Add icl pipe degamma and
 gamma support
Date: Thu, 27 Dec 2018 10:18:07 +0200
Message-ID: <87d0pnwfgg.fsf@intel.com>
References: <1545335981-2338-1-git-send-email-uma.shankar@intel.com>
 <1545335981-2338-3-git-send-email-uma.shankar@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 mga12.intel.com (mga12.intel.com [192.55.52.136])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 1C7F06E21C
 for <intel-gfx@lists.freedesktop.org>; Thu, 27 Dec 2018 08:17:44 +0000 (UTC)
In-Reply-To: <1545335981-2338-3-git-send-email-uma.shankar@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: Uma Shankar <uma.shankar@intel.com>, intel-gfx@lists.freedesktop.org
Cc: ville.syrjala@intel.com, maarten.lankhorst@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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