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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Dan Aloni <alonid@gmail.com>, intel-gfx@lists.freedesktop.org
Subject: Re: Suggestions on fixing fill_modes ioctl() delays under i915
Date: Mon, 16 Apr 2012 14:41:28 +0100	[thread overview]
Message-ID: <1334583703_7713@CP5-2952> (raw)
In-Reply-To: <CAAV7fNoXts83NmokYXPhpAjfxqgpoUVzcdVhFCSsMtn=Upq+ZQ@mail.gmail.com>

On Mon, 16 Apr 2012 15:04:50 +0300, Dan Aloni <alonid@gmail.com> wrote:
> Now you might ask why it is annoying. Well, for instance, say you are
> debugging an SDL application. Those type of applications usually result in
> the GET_CONTROLLERS ioctl() being called by the X server, and re-running
> the same application in a development cycle makes this issue
> quite noticeable.

The actual problem here is the application requesting a probe of all
outputs rather than the list of current outputs.
See RRGetScreenResourcesCurrent.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

      parent reply	other threads:[~2012-04-16 13:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-16 12:04 Suggestions on fixing fill_modes ioctl() delays under i915 Dan Aloni
2012-04-16 13:33 ` Eugeni Dodonov
2012-04-16 15:54   ` Dan Aloni
2012-04-16 16:37     ` Adam Jackson
2012-04-16 16:53       ` Dan Aloni
2012-04-16 13:41 ` Chris Wilson [this message]

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