From mboxrd@z Thu Jan  1 00:00:00 1970
From: Romain Francoise <romain@orebokech.com>
Subject: Re: v3.14-rc7: Backlight control broken on Dell XPS13
Date: Mon, 17 Mar 2014 17:34:45 +0100
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In-Reply-To: <87y508rfux.fsf@intel.com> (Jani Nikula's message of "Mon, 17 Mar
 2014 17:42:46 +0200")
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To: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula <jani.nikula@intel.com> writes:

> Please file a new bug on DRM/Intel component at [1]. Please attach
> intel_reg_dumper output (tool from intel-gpu-tools [2]) with and without
> the revert. Please also attach dmesg with drm.debug=0xe from early
> boot.

Done, https://bugs.freedesktop.org/show_bug.cgi?id=76276

Let me know if you need more info.

> Do you have the snb or ivb model?

IVB.

> The register dump from *before* i915 gets loaded is also interesting.

That's more difficult to procure, is it really necessary?

Thanks,
-r