From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michal Wajdeczko <michal.wajdeczko@intel.com>
Subject: Re: [PATCH] drm/i915: Fix __intel_wait_for_register_fw
 to not sleep in atomic
Date: Wed, 10 May 2017 18:25:55 +0200
Message-ID: <20170510162555.GE61312@mwajdecz-MOBL1.ger.corp.intel.com>
References: <1494428821-14893-1-git-send-email-daniel.vetter@ffwll.ch>
 <20170510153102.GC61312@mwajdecz-MOBL1.ger.corp.intel.com>
 <20170510153248.rjovv6dnho6jxdem@phenom.ffwll.local>
 <20170510154926.GD61312@mwajdecz-MOBL1.ger.corp.intel.com>
 <20170510160917.GL7978@nuc-i3427.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 mga04.intel.com (mga04.intel.com [192.55.52.120])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 3E03589D73
 for <intel-gfx@lists.freedesktop.org>; Wed, 10 May 2017 16:25:59 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20170510160917.GL7978@nuc-i3427.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: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, Intel Graphics Development <intel-gfx@lists.freedesktop.org>, Daniel Vetter <daniel.vetter@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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