bad panel power sequencing delays, disabling panel

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On Tue, Oct 16, 2012 at 5:15 PM, Daniel J Blueman <daniel at quora.org> wrote:
> On 16 October 2012 22:43, Daniel Vetter <daniel at ffwll.ch> wrote:
>> On Tue, Oct 16, 2012 at 3:26 PM, Daniel J Blueman <daniel at quora.org> wrote:
>>> On my Macbook Retina 2012, after a recent firmware update, i915 fails
>>> to use the eDP-1 panel [1], which goes blank when switched to. Nouveau
>>> works correctly though [2]. I see this behaviour on 3.6-rc to 3.7-rc1.
>>
>> I'm working on this, since when I plug in a 2nd screen in my own edp
>> machine, the bios doesn't light up the internal panel and our code
>> can't light it up, too. Unfortunately progress is slow, but you can
>> try my current wip state at
>>
>> http://cgit.freedesktop.org/~danvet/drm/log/?h=for-pzanoni
>>
>> Please attach dmesg with drm.debug=0xe if you try this kernel.
>> Backlight works now for me, but I still have issues with edp link
>> training here.
>
> Thanks Daniel; I'm happy to collect local information/debug etc, sure.
>
> Alas, it looks like that repo is in an unexpected state:
>
> $ git clone git://people.freedesktop.org/~danvet/drm
> Cloning into 'drm'...
> remote: Counting objects: 2631581, done.
> remote: Compressing objects: 100% (395986/395986), done.
> remote: Total 2631581 (delta 2211094), reused 2630318 (delta 2209899)
> Receiving objects: 100% (2631581/2631581), 615.36 MiB | 1.77 MiB/s, done.
> Resolving deltas: 100% (2211094/2211094), done.
> warning: remote HEAD refers to nonexistent ref, unable to checkout.

That thing is totally in the expected shape, it simply does not have a
HEAD, but only branches

$ git branch -r

will list them all, and

$ git checkout -t remote-branchname

will check out origin/remote-branchname and create a branch
remote-branchname tracking it.

Cheers, Daniel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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