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: [PATCH] drm/i915/dp: Send DPCD ON for MST before phy_up
Date: Thu, 5 Apr 2018 19:38:53 +0300
Message-ID: <20180405163853.GK5453@intel.com>
References: <20180404232721.28044-1-lyude@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <20180404232721.28044-1-lyude@redhat.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, stable@vger.kernel.org
List-Id: intel-gfx@lists.freedesktop.org
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