From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Harrison <John.C.Harrison@Intel.com>
Subject: Re: drm/i915: Watchdog timeout: IRQ handler for gen8+
Date: Fri, 11 Jan 2019 13:28:07 -0800
Message-ID: <bfca73e7-1c2e-1d13-2868-3495be7b54d2@Intel.com>
References: <20190105024001.37629-1-carlos.santa@intel.com>
 <20190105024001.37629-3-carlos.santa@intel.com>
 <e33871bc-ef83-6f29-2f7a-6ab09339140d@linux.intel.com>
 <f352ec19-ddd6-b2ed-13d3-640a8d20eb50@linux.intel.com>
 <154686945655.27300.8929519423115131327@skylake-alporthouse-com>
 <3e3254dd-45cd-cd69-8d6d-176dad65ae8b@linux.intel.com>
 <71219f61-8994-7086-ec0f-8fa871178695@intel.com>
 <51fb503e-ea08-fc7b-0a59-868255bbc57a@linux.intel.com>
 <c9cad040-4050-3e8e-dfb6-93d1aaef690e@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTPS id DDD496E229
 for <intel-gfx@lists.freedesktop.org>; Fri, 11 Jan 2019 21:28:09 +0000 (UTC)
In-Reply-To: <c9cad040-4050-3e8e-dfb6-93d1aaef690e@intel.com>
Content-Language: en-US
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: Antonio Argenziano <antonio.argenziano@intel.com>, Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>, Chris Wilson <chris@chris-wilson.co.uk>, Carlos Santa <carlos.santa@intel.com>, intel-gfx@lists.freedesktop.org
Cc: Michel Thierry <michel.thierry@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==