Date: Sat, 20 Jun 2009 16:24:29 -0400 (EDT) From: Daniel Eischen <deischen@freebsd.org> To: Robert Noland <rnoland@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r194540 - head/sys/dev/drm Message-ID: <Pine.GSO.4.64.0906201622001.15842@sea.ntplx.net> In-Reply-To: <1245524845.1724.10.camel@balrog.2hip.net> References: <200906201645.n5KGjEeG081301@svn.freebsd.org> <Pine.GSO.4.64.0906201250210.14868@sea.ntplx.net> <1245524845.1724.10.camel@balrog.2hip.net>
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On Sat, 20 Jun 2009, Robert Noland wrote: > On Sat, 2009-06-20 at 12:56 -0400, Daniel Eischen wrote: >> On Sat, 20 Jun 2009, Robert Noland wrote: >> >>> Author: rnoland >>> Date: Sat Jun 20 16:45:14 2009 >>> New Revision: 194540 >>> URL: http://svn.freebsd.org/changeset/base/194540 >>> >>> Log: >>> The G45 docs indicate that all G4X chips use the new framecount register. >>> >>> Intel agrees with my reading of the docs, make it so for all G4X chips. >>> >>> The new register also has a 32 bit width as opposed to 24 bits. Fix >>> things up so that the counters roll over properly. >> >> Could this possibly fix the problem I'm seeing with the screen being >> garbage after a logout from KDE 3.x (using kdm)? Everything works >> fine after logging in, but when you log out, the screen is left with >> garbage/lots of vertical striping. This only happened after upgrading >> my system (and all ports) to Xorg 7.4, worked just fine before that. >> >> agp0: <Intel 82945GM (945GM GMCH) SVGA controller> on vgapci0 >> agp0: detected 7932k stolen memory >> agp0: aperture size is 256M >> vgapci1: <VGA-compatible display> mem 0xdff80000-0xdfffffff at device 2.1 on pci0 > > No, this only change only effects g45 chips, which would have been > incorrectly handling the hardware vblank counter. It will have no > impact on 945. I'm trying to pull changes that are definite wins from > my Intel branch right now. I don't think that I have seen the symptoms > that you describe on my 945, except when it is resuming from suspend. I > do only run gnome on it though, it is far too slow to do kde as well... > I'm trying to fix up the interrupt handling in a less invasive way than > I did previously, but even that should only effect 965+ with msi > enabled. I have not tried GNOME, but mine does work fine with plain old xdm and twm. It has been happily running for year(s) with previous Xorg/KDE and drm. -- DE
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