From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tursulin@ursulin.net>
Subject: [PATCH v4] drm/i915/pmu: Clear the previous sample
	value when parking
Date: Thu, 23 Nov 2017 10:26:54 +0000
Message-ID: <20171123102654.29296-1-tvrtko.ursulin@linux.intel.com>
References: <151142984945.29492.2814319999875099742@mail.alporthouse.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 mail-wm0-x241.google.com (mail-wm0-x241.google.com
 [IPv6:2a00:1450:400c:c09::241])
 by gabe.freedesktop.org (Postfix) with ESMTPS id F03306E445
 for <Intel-gfx@lists.freedesktop.org>; Thu, 23 Nov 2017 10:27:04 +0000 (UTC)
Received: by mail-wm0-x241.google.com with SMTP id 128so15454150wmo.3
 for <Intel-gfx@lists.freedesktop.org>; Thu, 23 Nov 2017 02:27:04 -0800 (PST)
In-Reply-To: <151142984945.29492.2814319999875099742@mail.alporthouse.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: Intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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==