Problems with KMS on drm-intel-next branch

[Mike Lothian]

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

Regards

Mike