All of lore.kernel.org
 help / color / mirror / Atom feed
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: Wed, 23 Dec 2015 13:13:46 +0100	[thread overview]
Message-ID: <20151223121346.GY31063@ics.muni.cz> (raw)
In-Reply-To: <20151223120144.GQ5896@nuc-i3427.alporthouse.com>

On Wed, Dec 23, 2015 at 12:01:44PM +0000, Chris Wilson wrote:
> The clipped extents of the va-api Window is used to determine which CRTC
> to use as the vblank source. Hmm, the Primary Output is used as the
> preference (i.e. if any part of that Window is on the Primary, it is
> used as the CRTC - the idea being that Primary is important and this
> should share the vblank source for more Windows and prevent arbitrary
> jumps between vblank sources as the Window moves).

just tested, with xv output, vsync seems to be quite ok. however, with va-api
it not ok on both LVDS and HDMI. HDMI seems to be far worse with va-api (i.e.
out of sync). Maybe a bug in va-api sync code?

-- 
Lukáš Hejtmánek
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2015-12-23 12:14 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
2015-12-23 12:01     ` Chris Wilson
2015-12-23 12:13       ` Lukas Hejtmanek [this message]
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20151223121346.GY31063@ics.muni.cz \
    --to=xhejtman@ics.muni.cz \
    --cc=chris@chris-wilson.co.uk \
    --cc=intel-gfx@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.