[Bug 67454] After suspend/resume, screen is black for all but the highest levels with i915 driver on MacBook Air 6,2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67454

--- Comment #91 from directrandom at gmail.com ---
(In reply to comment #78)
> I've managed to work around the issue by programming the backlight driver
> directly. This is not an optimal solution but consider it a workaround for
> now. I've written a driver and tested it on my MBA 6,2 but the 6,1 should
> work as well. Use it at your own risk, I take no responsibility. Don't try
> to load this driver unless you have a MacBook Air (mid 2013) 6,1 or 6,2.
> 
> To get it running you need to download and build the driver:
> 
> # git clone https://github.com/patjak/mba6x_bl
> # cd mba6x_bl/ && make && make install
> 
> Make sure the module is loaded at boot time. E.g add "mba6x_bl" to
> /etc/modules
> You also need to configure i915 to hand over the backlight control to
> mba6x_bl. I added this to my /etc/X11/xorg.conf:
> 
> Section "Device"
>         Identifier      "Intel Graphics"
>         Driver          "intel"
>         Option          "Backlight"     "mba6x_backlight"
> EndSection
> 
> Now reboot and you should have working brightness even after suspend/resume.
> Unloading the module (modprobe -r mba6x_bl) will restore the backlight to
> whatever state we had when loading it.

It doesn't work on my MBA 13 :( (UEFI)

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140206/d45062d7/attachment-0001.html>