From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH v3 2/4] drm/i915: Add reverse mapping
 between port and intel_encoder
Date: Mon, 7 Dec 2015 09:44:45 +0100
Message-ID: <20151207084445.GB10243@phenom.ffwll.local>
References: <1449249169-20602-1-git-send-email-tiwai@suse.de>
 <1449249169-20602-3-git-send-email-tiwai@suse.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <1449249169-20602-3-git-send-email-tiwai@suse.de>
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: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org, Mengdong Lin <mengdong.lin@linux.intel.com>, Vinod Koul <vinod.koul@intel.com>, intel-gfx@lists.freedesktop.org, Daniel Vetter <daniel.vetter@intel.com>, David Henningsson <david.henningsson@canonical.com>
List-Id: alsa-devel@alsa-project.org
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=