From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Liu, Monk" <Monk.Liu-5C7GfCeVMHo@public.gmane.org>
Subject: RE: [PATCH] drm/amdgpu: try again kiq access if not in IRQ(v2)
Date: Mon, 5 Mar 2018 03:47:00 +0000
Message-ID: <BLUPR12MB04490DDBB223A49F3AA4C5BC84DA0@BLUPR12MB0449.namprd12.prod.outlook.com>
References: <1519802862-9513-1-git-send-email-Monk.Liu@amd.com>
 <3d12195d-44d3-d9b1-82cd-482f49534ec5@amd.com>
 <BLUPR12MB04498B47E0BAFFF2A80A4CE684C50@BLUPR12MB0449.namprd12.prod.outlook.com>
 <e8a28819-c7fa-5b64-6b5b-723299d517f4@amd.com>
 <ecccef01-fdab-0810-030a-cc0f0f0ee814@gmail.com>
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: <ecccef01-fdab-0810-030a-cc0f0f0ee814-Re5JQEeQqe8AvxtiuMwx3w@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: "Koenig, Christian" <Christian.Koenig-5C7GfCeVMHo@public.gmane.org>, "Kuehling, Felix" <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>, "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
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