From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: [PATCH 2/5] drm/i915: Switch to kernel context before
 idling at runtime
Date: Tue, 29 May 2018 14:29:19 +0100
Message-ID: <20180529132922.6831-2-chris@chris-wilson.co.uk>
References: <20180529132922.6831-1-chris@chris-wilson.co.uk>
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 fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 63F2D89C28
 for <intel-gfx@lists.freedesktop.org>; Tue, 29 May 2018 13:29:33 +0000 (UTC)
In-Reply-To: <20180529132922.6831-1-chris@chris-wilson.co.uk>
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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