From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jim Bride <jim.bride@linux.intel.com>
Subject: Re: [PATCH] drm/i915/dp: Increase cdclk when DP audio
 is enabled with 4 lanes and HBR2
Date: Thu, 13 Oct 2016 11:30:05 -0700
Message-ID: <20161013183005.GH4042@shiv>
References: <1476381859-4614-1-git-send-email-dhinakaran.pandiyan@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>
Content-Disposition: inline
In-Reply-To: <1476381859-4614-1-git-send-email-dhinakaran.pandiyan@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: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>, intel-gfx@freedesktop.org, Libin Yang <libin.yang@linux.intel.com>, Jeeja KP <jeeja.kp@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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