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 v2] drm/i915: Keep AUX block running when
 disabling DPMS for MST
Date: Wed, 4 Apr 2018 18:34:29 +0300
Message-ID: <20180404153429.GE5453@intel.com>
References: <20180402212142.19841-1-lyude@redhat.com>
 <20180402212617.21247-1-lyude@redhat.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: <20180402212617.21247-1-lyude@redhat.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: 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, Laura Abbott <labbott@redhat.com>
List-Id: intel-gfx@lists.freedesktop.org
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