From mboxrd@z Thu Jan  1 00:00:00 1970
From: jeff.mcgee@intel.com
Subject: [RFC 3/8] drm/i915: Execlists to mark the HWSP upon
 preemption finished
Date: Fri, 16 Mar 2018 11:31:00 -0700
Message-ID: <20180316183105.16027-4-jeff.mcgee@intel.com>
References: <20180316183105.16027-1-jeff.mcgee@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 mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 64CF46E04A
 for <intel-gfx@lists.freedesktop.org>; Fri, 16 Mar 2018 18:45:41 +0000 (UTC)
In-Reply-To: <20180316183105.16027-1-jeff.mcgee@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: intel-gfx@lists.freedesktop.org
Cc: ben@bwidawsk.net, kalyan.kondapally@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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