From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH 1/2] drm/dp: start a DPCD based DP
	sink/branch device quirk database
Date: Fri, 12 May 2017 10:57:42 +0300
Message-ID: <87o9uymrrd.fsf@intel.com>
References: <20170511095721.7392-1-jani.nikula@intel.com>
 <20170511181743.bvdmpykz2chj3ri7@phenom.ffwll.local>
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: <20170511181743.bvdmpykz2chj3ri7@phenom.ffwll.local>
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: Daniel Vetter <daniel@ffwll.ch>
Cc: harry.wentland@amd.com, intel-gfx@lists.freedesktop.org, ajax@redhat.com, dhinakaran.pandiyan@intel.com, dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
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