From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: Re: [PATCH] drm/i915/glk,
	cnl: Implement WaDisableScalarClockGating
Date: Thu, 28 Sep 2017 13:18:30 -0700
Message-ID: <20170928201830.e2ekhqbube7xpl5n@intel.com>
References: <20170928195436.32272-1-imre.deak@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>
Received: from mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 807D96E209
 for <intel-gfx@lists.freedesktop.org>; Thu, 28 Sep 2017 20:18:37 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20170928195436.32272-1-imre.deak@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: Imre Deak <imre.deak@intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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==