From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH 2/2] drm/i915: Set invert bit for hpd based
	on VBT
Date: Thu, 24 Mar 2016 16:39:10 +0200
Message-ID: <20160324143910.GC4329@intel.com>
References: <1458821451-19079-1-git-send-email-shubhangi.shrivastava@intel.com>
 <1458821451-19079-2-git-send-email-shubhangi.shrivastava@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id 767186E9F2
 for <intel-gfx@lists.freedesktop.org>; Thu, 24 Mar 2016 14:39:13 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <1458821451-19079-2-git-send-email-shubhangi.shrivastava@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: Shubhangi Shrivastava <shubhangi.shrivastava@intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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