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List:       freedesktop-xorg
Subject:    Re: Re: EDID autodetection fail, whom to blame?
From:       younes.m () gmail ! com
Date:       2011-01-21 16:01:30
Message-ID: 90e6ba53a74411842b049a5d5de0 () google ! com
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On , Ben Skeggs <skeggsb@gmail.com> wrote:
> On Wed, 2011-01-19 at 16:47 +0000, Matthew Garrett wrote:

> > On Mon, Jan 17, 2011 at 04:12:15PM +0100, Atilla Filiz wrote:

> > > Some of the newer Sony Vaio laptops with Nvidia GPUs show a totally  
> black

> > > screen when X starts with the propiatery drivers. A workaround is to  
> dump

> > > the EDID of the LCD panel into a file and use an xorg.conf file to  
> force X

> > > to use custom EDID. This time, system console(the one you reach via

> > > ctrl+alt-f) go blank.

> > > Nouveau works without problems.

> > > What would be the proper solution to this problem? Is it a fault

> > > correctable by Xorg or are Nvidia people to be contacted to resolve  
> this?

> >

> > nvidia need to add support for requesting the EDID via ACPI.

> The recent versions of NVIDIA's driver should support this OK from what

> I can tell, I don't have the effected hardware to say for sure.

Latest 260.xx doesn't need the EDID file and it doesn't crash like earlier  
260.xx, but VTs are still broken after X starts. I think some other Sony  
models are still seeing crashes though.

[Attachment #5 (text/html)]

On , Ben Skeggs &lt;skeggsb@gmail.com&gt; wrote:<br />&gt; On Wed, 2011-01-=
19 at 16:47 +0000, Matthew Garrett wrote:<br />&gt; <br />&gt; &gt; On Mon,=
 Jan 17, 2011 at 04:12:15PM +0100, Atilla Filiz wrote:<br />&gt; <br />&gt;=
 &gt; &gt; =A0 =A0Some of the newer Sony Vaio laptops with Nvidia GPUs show=
 a totally black<br />&gt; <br />&gt; &gt; &gt; =A0 =A0screen when X starts=
 with the propiatery drivers. A workaround is to dump<br />&gt; <br />&gt; =
&gt; &gt; =A0 =A0the EDID of the LCD panel into a file and use an xorg.conf=
 file to force X<br />&gt; <br />&gt; &gt; &gt; =A0 =A0to use custom EDID. =
This time, system console(the one you reach via<br />&gt; <br />&gt; &gt; &=
gt; =A0 =A0ctrl+alt-f) go blank.<br />&gt; <br />&gt; &gt; &gt; =A0 =A0Nouv=
eau works without problems.<br />&gt; <br />&gt; &gt; &gt; =A0 =A0What woul=
d be the proper solution to this problem? Is it a fault<br />&gt; <br />&gt=
; &gt; &gt; =A0 =A0correctable by Xorg or are Nvidia people to be contacted=
 to resolve this?<br />&gt; <br />&gt; &gt;<br />&gt; <br />&gt; &gt; nvidi=
a need to add support for requesting the EDID via ACPI.<br />&gt; <br />&gt=
; The recent versions of NVIDIA&#39;s driver should support this OK from wh=
at<br />&gt; <br />&gt; I can tell, I don&#39;t have the effected hardware =
to say for sure.<br /><br />Latest 260.xx doesn&#39;t need the EDID file an=
d it doesn&#39;t crash like earlier 260.xx, but VTs are still broken after =
X starts. I think some other Sony models are still seeing crashes though.

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