From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lyude Paul <lyude@redhat.com>
Subject: Re: [Nouveau] [PATCH 1/5] drm/nouveau: Prevent RPM callback
 recursion in suspend/resume paths
Date: Tue, 17 Jul 2018 14:34:47 -0400
Message-ID: <2dbe75b1a83c025b9cddc229dbca9af6fb30111e.camel@redhat.com>
References: <20180716235936.11268-1-lyude@redhat.com>
 <20180716235936.11268-2-lyude@redhat.com> <20180717071641.GA5411@wunner.de>
 <d7c25a7f41df70685c0c4726315592d1d9b561ff.camel@redhat.com>
 <20180717182041.GA18363@wunner.de>
 <cb5af1611622a080fdcbcf3bb794d8ebc39cae2a.camel@redhat.com>
 <20180717183211.GB18363@wunner.de>
Reply-To: lyude@redhat.com
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
In-Reply-To: <20180717183211.GB18363@wunner.de>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Lukas Wunner <lukas@wunner.de>
Cc: linux-pm@vger.kernel.org, David Airlie <airlied@linux.ie>, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Ben Skeggs <bskeggs@redhat.com>
List-Id: linux-pm@vger.kernel.org
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