From mboxrd@z Thu Jan  1 00:00:00 1970
From: Animesh Manna <animesh.manna@intel.com>
Subject: Re: [PATCH v3 03/11] drm/i915/dsb: single register
 write function for DSB.
Date: Thu, 29 Aug 2019 18:39:53 +0530
Message-ID: <7f3385a8-32c1-1e24-ba11-c08f71a5d8b1@intel.com>
References: <20190827191026.26175-1-animesh.manna@intel.com>
 <20190827191026.26175-4-animesh.manna@intel.com>
 <2ceaa20f-a18d-cf7a-cde6-b534900f5949@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga12.intel.com (mga12.intel.com [192.55.52.136])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 564CB6E02E
 for <intel-gfx@lists.freedesktop.org>; Thu, 29 Aug 2019 13:09:55 +0000 (UTC)
In-Reply-To: <2ceaa20f-a18d-cf7a-cde6-b534900f5949@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: "Sharma, Shashank" <shashank.sharma@intel.com>, intel-gfx@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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