On 2009.03.17 07:25:52 +0800, Mike Lothian wrote: > 2009/3/16 Jesse Barnes <jbar...@virtuousgeek.org>: > > On Sunday, March 15, 2009 6:23:59 am Mike Lothian wrote: > >> Hi > >> > >> I've been using KMS on Intel since it was merged with 2.6.29. In > >> parallel to this I've also been testing the drm-intel-next branch of > >> anholt's git tree > >> > >> This stopped working for me about 2 weeks ago. > >> > >> When the kernel normally switches to the correct resolution on > >> mainline the drm-intel-next kernel turns the screen black then slowly > >> gets brighter from the edges going through purple into white, showing > >> all the imperfections in the screen > >> > >> I'm not sure what's happening in the background as my laptop never > >> gets to the point where I can SSH in. > >> > >> It's a: > >> > >> 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 > >> Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) > >> 00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series > >> Chipset Integrated Graphics Controller [8086:2a43] (rev 07) > >> > >> Hope this helps in some way > > > > If it used to work but now doesn't, you may be able to use "git bisect" to > > get > > down to the offending commit. Either way, please file a bug at > > bugs.freedesktop.org for this problem if one doesn't already exist. > > > > Thanks, > > -- > > Jesse Barnes, Intel Open Source Technology Center > > > > Hi I've just finished bisecting and the "dodgy" commit was: > > drm/i915: Use LVDS config in Driver feature BDB for integrated LVDS check > ed356c1946edc4017799de0371ef229bffa5e72c > > I hope this helps
That commit has drawbacks and needs rework. Could you attach bios_reader output? The utility is under xf86-video-intel/src/bios_reader, make sure you're on git tip or 2.7 branch. -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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