From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [RFC PATCH] drm/vc4: Add a load tracker to prevent HVS underflow
 errors
Date: Mon, 29 Oct 2018 09:06:40 +0100
Message-ID: <20181029080640.GQ21967@phenom.ffwll.local>
References: <20181023095508.21a9cabd@bbrezillon>
 <20181023134443.GQ324@phenom.ffwll.local>
 <20181025100931.50fddf7e@bbrezillon>
 <20181025093314.GB21967@phenom.ffwll.local>
 <20181025114114.42caf97d@bbrezillon>
 <20181026133026.GM21967@phenom.ffwll.local>
 <20181026155748.70b9a6bd@bbrezillon>
 <CAKMK7uG2PK1Rov9ymAP1mbXtyfquiQNm2tmyiUzYFSnw7J7Faw@mail.gmail.com>
 <20181026165233.7ebaf6c7@bbrezillon>
 <20181026151003.GY9144@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mail-ed1-x542.google.com (mail-ed1-x542.google.com
 [IPv6:2a00:1450:4864:20::542])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 9FA8189C19
 for <dri-devel@lists.freedesktop.org>; Mon, 29 Oct 2018 08:06:44 +0000 (UTC)
Received: by mail-ed1-x542.google.com with SMTP id x31-v6so6429237edd.8
 for <dri-devel@lists.freedesktop.org>; Mon, 29 Oct 2018 01:06:44 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20181026151003.GY9144@intel.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: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>, "Hollingworth,
 Gordon" <gordon@raspberrypi.org>, dri-devel <dri-devel@lists.freedesktop.org>, Eben Upton <eben@raspberrypi.org>
List-Id: dri-devel@lists.freedesktop.org
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