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 v2] drm: Make the decision to keep vblank irq enabled
 earlier
Date: Wed, 29 Mar 2017 14:31:56 +0300
Message-ID: <20170329113156.GT30290@intel.com>
References: <4098543f-16e1-ca44-cdf2-157bdb66b188@gmail.com>
 <20170324173058.23051-1-chris@chris-wilson.co.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <20170324173058.23051-1-chris@chris-wilson.co.uk>
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: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel =?iso-8859-1?Q?D=E4nzer?= <michel@daenzer.net>, dri-devel@lists.freedesktop.org, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Dave Airlie <airlied@redhat.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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