From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lyude Paul <lyude-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH v4 4/8] drm/nouveau: Fix deadlock with fb_helper
 using new helpers
Date: Wed,  1 Aug 2018 17:14:54 -0400
Message-ID: <20180801211459.7731-5-lyude@redhat.com>
References: <20180801211459.7731-1-lyude@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20180801211459.7731-1-lyude-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/nouveau>,
 <mailto:nouveau-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/nouveau>
List-Post: <mailto:nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:nouveau-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/nouveau>,
 <mailto:nouveau-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "Nouveau" <nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: David Airlie <airlied-cv59FeDIM0c@public.gmane.org>, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
List-Id: dri-devel@lists.freedesktop.org
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