From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: Re: [PATCH] drm/i915/cnl: Force DDI_A_4_LANES when
	needed.
Date: Tue, 24 Oct 2017 10:25:03 -0700
Message-ID: <20171024172503.fdbx4amvgyc46kfc@intel.com>
References: <20171023172657.GA10981@intel.com>
 <20171023173920.22890-1-rodrigo.vivi@intel.com>
 <20171024092138.GC10981@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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTPS id AC57B6E58D
 for <intel-gfx@lists.freedesktop.org>; Tue, 24 Oct 2017 17:25:10 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20171024092138.GC10981@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: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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==