From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sean Paul <sean-p7yTbzM4H96eqtR555YLDQ@public.gmane.org>
Subject: Re: [PATCH v2] drm/msm/dpu: add display port support in
 DPU
Date: Tue, 4 Dec 2018 08:52:04 -0500
Message-ID: <20181204135204.GR154160@art_vandelay>
References: <1543357710-3918-1-git-send-email-jsanka@codeaurora.org>
 <20181203144735.GQ154160@art_vandelay>
 <3ee2493cf6b31c903add62e837364056@codeaurora.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <3ee2493cf6b31c903add62e837364056-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/freedreno>,
 <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/freedreno>
List-Post: <mailto:freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/freedreno>,
 <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "Freedreno" <freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: Jeykumar Sankaran <jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Sean Paul <sean-p7yTbzM4H96eqtR555YLDQ@public.gmane.org>, robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, hoegsberg-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
List-Id: dri-devel@lists.freedesktop.org
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