From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hans de Goede <j.w.r.degoede@gmail.com>
Subject: [PATCH] drm/i915/vlv: Add cdclk workaround for DSI
Date: Tue, 19 Dec 2017 20:21:13 +0100
Message-ID: <20171219192113.12841-1-hdegoede@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>
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: Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>, intel-gfx <intel-gfx@lists.freedesktop.org>, dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
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