[Bug 31522] [GM45] black screen at boot (0 backlight?)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=31522





--- Comment #41 from Jani Nikula <jani.nikula at intel.com>  2013-02-05 13:36:54 ---
Mateusz -

(In reply to comment #40)
> Parameter i915.invert_brigthness=1 helps with a build-in backlight on eMachines
> e525 notebook with Intel video card (GM45), but with this parameter the
> resolution is fixed to 1024x768 on a widescreen monitor and cannot be changed.

Well, that's not right. I see that you're not one of the earlier reporters of
the bug, and we just can't go about adding quirks with insufficient
information.

First, you have a typo above for the module parameter. Did you make the same
typo in your config? That would explain the symptoms. But does it fix the issue
anymore? And what exactly is *your* issue in the first place?

I think we'd prefer a new bug for each quirk no matter what, just for tracking
purposes (for example, if something goes wrong with the fix to your problem, we
don't want to reopen and revisit this already fixed bug). Please file a new bug
with your symptoms, whether i915.invert_brightness=1 (with the correct
spelling) helps them, and your 'lspci -vmmnn'. The fix can be swift once we
confirm the facts. Thanks.

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