From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH v3] drm/amdgpu: Transfer fences to dmabuf importer
Date: Tue, 7 Aug 2018 14:43:22 +0200
Message-ID: <20180807124322.GV3008@phenom.ffwll.local>
References: <20180807104500.31264-1-chris@chris-wilson.co.uk>
 <20180807110558.3298-1-chris@chris-wilson.co.uk>
 <76fdc5a1-fc05-cd4b-458f-64fc374cb90a@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <76fdc5a1-fc05-cd4b-458f-64fc374cb90a@amd.com>
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: Christian =?iso-8859-1?Q?K=F6nig?= <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org
List-Id: amd-gfx.lists.freedesktop.org
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