On Mon, Oct 02, 2006 at 05:02:38PM -0700, Dan Nicholson wrote:
> Now we're getting some where. It certainly looks like the new kernel
> is having trouble with I2C/EDID.
I tried disabling EDID in the new kernel since that setting doesn't
exist in the current one, but it made no difference when it was
enabled.
> Did you change anything in I2C settings in the new kernel config?
No. All kernels have "# CONFIG_I2C is not set". Maybe I should
enable it?
> 1. Tell it what modes to use in the Screen section (this is from my
> xorg.conf using the same Radeon 9250):
>
> Section "Screen"
> Identifier "Radeon Screen"
> Device "ATI Radeon 9200 Xorg"
> Monitor "ViewSonic"
> DefaultDepth 24
> SubSection "Display"
> Depth 16
> Modes "1600x1200" "1400x1050" "1280x1024" "1024x768" "800x600"
> EndSubSection
> SubSection "Display"
> Depth 24
> Modes "1600x1200" "1400x1050" "1280x1024" "1024x768" "800x600"
> EndSubSection
> EndSection
I'm already doing that.
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Viewport 0 0
Modes "1280x1024"
EndSubSection
EndSection
> 2) Try to configure the driver to ignore EDID/DDC. Here are the two
> options shown in mine:
>
> #Option "DDCMode" # [<bool>]
> #Option "IgnoreEDID" # [<bool>]
>
> You could try setting those both to false/true.
I tried all four combinations - none made any difference.
> In the end, though, you'll probably need to ask on the Xorg list
> because this seems like it might be a kernel bug.
Yes, I'll subscribe and start searching their archives.
Thanks for all your help.
Jeremy Henty
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