From mboxrd@z Thu Jan  1 00:00:00 1970
From: Heiko =?ISO-8859-1?Q?St=FCbner?= <heiko@sntech.de>
Subject: Re: [PATCH] drm/rockchip: support non-iommu buffer path
Date: Tue, 19 Apr 2016 08:27:10 +0200
Message-ID: <2221474.O4M7g09IWn@diego>
References: <1461032372-14630-1-git-send-email-mark.yao@rock-chips.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: <1461032372-14630-1-git-send-email-mark.yao@rock-chips.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: Mark Yao <mark.yao@rock-chips.com>
Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
List-Id: linux-rockchip.vger.kernel.org
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