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From: Lukas Hejtmanek <xhejtman@ics.muni.cz>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: vsync + vaapi question
Date: Tue, 22 Dec 2015 23:25:53 +0100	[thread overview]
Message-ID: <20151222222553.GX31063@ics.muni.cz> (raw)
In-Reply-To: <20151222205408.GL5896@nuc-i3427.alporthouse.com>

On Tue, Dec 22, 2015 at 08:54:08PM +0000, Chris Wilson wrote:
> Not really. The Primary output will be used as the vsync so long as a
> single pixel of the Window is upon it. Fundamentally, we need to use the
> output that the Window is on in order to driver the vblank update.

Which window? Any window or the va-api window? In the latter case, it would be
quite ok to setup left-of instead of clone and move mplayer window solely to
the external monitor. Do I understand it correctly?

> Ville once upon a time mentioned plans to try and synchronise the
> vblanks on matched outputs, i.e. start two 60Hz monitors at precisely
> the same time so they remain reasonably in sync.

hmm, well, right now, LVDS is running on 60Hz while HDMI2 runs at 30Hz.

-- 
Lukáš Hejtmánek
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  reply	other threads:[~2015-12-22 22:27 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-18 18:08 vsync + vaapi question Lukas Hejtmanek
2015-12-22 20:54 ` Chris Wilson
2015-12-22 22:25   ` Lukas Hejtmanek [this message]
2015-12-23 12:01     ` Chris Wilson
2015-12-23 12:13       ` Lukas Hejtmanek
2015-12-23 13:38         ` Chris Wilson
2015-12-24  9:44           ` Lukas Hejtmanek
2015-12-24 15:50             ` Chris Wilson
2015-12-24 19:28               ` Lukas Hejtmanek
2015-12-24 19:37                 ` Chris Wilson
2015-12-24 19:42                   ` Lukas Hejtmanek
2015-12-24 19:55                     ` Chris Wilson
2015-12-24 19:59                       ` Lukas Hejtmanek
2015-12-24 20:05                         ` Chris Wilson
2015-12-24 22:15                           ` Lukas Hejtmanek
2015-12-24 22:22                             ` Chris Wilson
2015-12-24 22:25                               ` Lukas Hejtmanek
2015-12-24 23:54                                 ` Robert Hooker
2015-12-26 15:40                                   ` Lukas Hejtmanek
2016-01-13 13:12                     ` Lukas Hejtmanek

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