Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 10 Apr 2009 16:53:20 +0200
From:      Dominic Fandrey <kamikaze@bsdforen.de>
To:        Robert Noland <rnoland@FreeBSD.org>
Cc:        Alexander Motin <mav@FreeBSD.org>, freebsd-stable@freebsd.org
Subject:   Re: powerd broken
Message-ID:  <49DF5D60.9010803@bsdforen.de>
In-Reply-To: <1238778004.65025.30.camel@balrog.2hip.net>
References:  <1238293386.00093672.1238281804@10.7.7.3>	 <49CF0803.1070505@FreeBSD.org>	<49CF2F8D.6000905@bsdforen.de>	 <49CF4EB9.60108@FreeBSD.org>	<49CF49F5.6010800@bsdforen.de>	 <49CF615A.6050304@FreeBSD.org>	<49CF595A.30805@bsdforen.de>	 <49CF6B28.2080400@FreeBSD.org>	<49CF60AB.4040709@bsdforen.de>	 <49CF6899.2060002@bsdforen.de> <49CF8E8D.1080604@bsdforen.de>	 <49CF9C19.3020509@FreeBSD.org> <49D5DA33.4010800@bsdforen.de> <1238778004.65025.30.camel@balrog.2hip.net>

next in thread | previous in thread | raw e-mail | index | archive | help
Robert Noland wrote:
> I've been working on the Intel vblank / irq issues.  Every time I commit
> something thinking that I have it resolved, it isn't.  So I'm waiting on
> hardware to arrive that will let me test this all more thoroughly.  I do
> have a patch that I think fixes most of the issues on Intel, but the ddx
> driver is still doing some silly things that cause issues in some cases.
> I *think* the only outstanding issue I have with Intel is if something
> is rendering (synced to vblank or not) when the display goes into dpms
> sleep, there isn't anything to block that app, so it renders as hard as
> it can even though it isn't being displayed.  In reality, this probably
> isn't a huge issue, but running gears while the display is asleep keeps
> the cpu at 100%, which isn't ideal.  Normal apps that aren't trying to
> draw as fast as they can, shouldn't cause an issue.

With the latest drm, the IRQ craziness is gone. However, the crappy
performance remains. 2 months ago a RELENG_7 with all packages
up to date yielded 124fps in a q3 timedemo that now yields 80fps.

Regards



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?49DF5D60.9010803>