From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Deucher, Alexander" <Alexander.Deucher-5C7GfCeVMHo@public.gmane.org>
Subject: RE: [PATCH 1/3] drm/amdgpu: remove the GART copy hack
Date: Wed, 23 Aug 2017 15:51:23 +0000
Message-ID: <CY4PR12MB1653C2DCFFFFFC7BB79BC0A1F7850@CY4PR12MB1653.namprd12.prod.outlook.com>
References: <1503478972-1533-1-git-send-email-deathsimple@vodafone.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <1503478972-1533-1-git-send-email-deathsimple-ANTagKRnAhcb1SvskN2V4Q@public.gmane.org>
Content-Language: en-US
List-Id: Discussion list for AMD gfx <amd-gfx.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: =?utf-8?B?J0NocmlzdGlhbiBLw7ZuaWcn?= <deathsimple-ANTagKRnAhcb1SvskN2V4Q@public.gmane.org>, "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
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