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SubjectRe: [2.6.39] drm/i915: blank screen on Lenovo Ideapad U160
Date
Jesse Barnes <jbarnes@virtuousgeek.org> writes:

>> > Does your machine also work if you set the lvds_use_ssc param to 0?
>>
>> Yes, that works!
>> I undid all modifications, compiled the i915 driver as a module (I am
>> not sure if that is necessary) und used i915.lvds_use_ssc=0 as a
>> further bootparameter, I will attach the dmesg output.
>>
>> Would you say "This problem was just a case of wrong parameter usage",
>> then?
>
> No, we should be parsing the VBT differently in your case it appears.
> But the simple change above will break other platforms, so it's
> possible we're missing a VBT format change and need to parse it
> differently depending on the version.

OK, thanks a lot for spending your time to help me to find this
comfortable workaround.

Please let me know if I can help with further testing.

Dirk


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