Problems with KMS on drm-intel-next branch

[Mike Lothian]

2009/3/17 Zhenyu Wang <zhenyu.z.wang at intel.com>:
> On 2009.03.17 07:25:52 +0800, Mike Lothian wrote:
>> 2009/3/16 Jesse Barnes <jbarnes at 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
>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.9 (GNU/Linux)
>
> iEYEARECAAYFAkm+9IEACgkQsQQaM014GCdoowCfd2ge7OUM18OrEbWXRp3lffUP
> 1HAAoIf1/esrspgHu5YXz+XN8T2IFXDb
> =irEf
> -----END PGP SIGNATURE-----
>
>

OK I'm attaching the rom

Just so you know the BIOS in this laptop is a joke, just do a search
for Samsung R510 on bugs.kernel.org

I also always have DVI2 showing up as connected when there is only a
VGA, HDMI and the laptop screen

Hope this helps

Mike
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