From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [BUG] HDMI 12bpc causing occasional flickering and
 blanking
Date: Mon, 15 Feb 2016 22:26:33 +0200
Message-ID: <20160215202633.GA23290@intel.com>
References: <20160215201723.02814b3b@envy.w5.y.home>
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 mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTP id D1E5F6E1DF
 for <intel-gfx@lists.freedesktop.org>; Mon, 15 Feb 2016 20:26:36 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20160215201723.02814b3b@envy.w5.y.home>
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: Tore Anderson <tore@fud.no>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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