From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lyude <cpaul@redhat.com>
Subject: [PATCH] drm/i915/skl: Don't try to update plane
	watermarks if they haven't changed
Date: Mon, 29 Aug 2016 10:45:44 -0400
Message-ID: <1472481944-13357-1-git-send-email-cpaul@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: intel-gfx@lists.freedesktop.org, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter <daniel.vetter@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==