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Old 04-08-09, 08:46 AM   #1
cputoaster
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Default MacbookAir2,1 and 3007WFP

Hi,

I am trying to get my new macbook air with 9400M gfx to work with the 2560x1600 dell 3007WFP display. It work perfectly in OSX, but I can only get 1280x800 in Ubuntu 8.10. Any ideas of a magical setting or similar? I played around a bit with manually entering the modeline etc, but as you can see, it fails with "Unable to construct hardware-specific mode timings". Naturally, I can try updating to the most recent nvidia driver, but I could not find anything in the changelogs related to this type of issue.

Cheers,
cputoaster
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Old 04-08-09, 01:59 PM   #2
AaronP
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Default Re: MacbookAir2,1 and 3007WFP

Code:
(--) NVIDIA(0): DELL 3007WFP (DFP-2): Internal DisplayPort
The 3007WFP doesn't have a DisplayPort input, does it? Are you using an active mini-DP to DVI adapter? If so, this seems to be the problem:
Code:
(II) NVIDIA(1):   Validating Mode "2560x1600":
(II) NVIDIA(1):     2560 x 1600 @ 60 Hz
(II) NVIDIA(1):     Mode Source: EDID
(II) NVIDIA(1):       Pixel Clock      : 268.00 MHz
(II) NVIDIA(1):       HRes, HSyncStart : 2560, 2608
(II) NVIDIA(1):       HSyncEnd, HTotal : 2640, 2720
(II) NVIDIA(1):       VRes, VSyncStart : 1600, 1603
(II) NVIDIA(1):       VSyncEnd, VTotal : 1609, 1646
(II) NVIDIA(1):       H/V Polarity     : +/+
[...]
(WW) NVIDIA(GPU-0):     Unable to calculate Display Memory Interface blanking
(WW) NVIDIA(GPU-0):         interval for BestFit Centered ViewPort.
(WW) NVIDIA(1):     Mode is rejected: Unable to construct hardware-specific
(WW) NVIDIA(1):     mode timings.
Please clarify how you're connecting the monitor to the laptop and I'll try to reproduce the problem. Also, please try a newer driver. 177.82's DisplayPort support is a bit half-baked.
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Old 04-09-09, 03:53 AM   #3
cputoaster
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Default Re: MacbookAir2,1 and 3007WFP

Thank you for your quick response. I am using the official Apple dual-link mini-DP to DVI adapter. http://store.apple.com/us/product/MB571, which works fine with OSX. I*will try the newer driver as soon as possible.

Cheers,
Andres

Quote:
Originally Posted by AaronP View Post
Code:
(--) NVIDIA(0): DELL 3007WFP (DFP-2): Internal DisplayPort
The 3007WFP doesn't have a DisplayPort input, does it? Are you using an active mini-DP to DVI adapter? If so, this seems to be the problem:
Code:
(II) NVIDIA(1):   Validating Mode "2560x1600":
(II) NVIDIA(1):     2560 x 1600 @ 60 Hz
(II) NVIDIA(1):     Mode Source: EDID
(II) NVIDIA(1):       Pixel Clock      : 268.00 MHz
(II) NVIDIA(1):       HRes, HSyncStart : 2560, 2608
(II) NVIDIA(1):       HSyncEnd, HTotal : 2640, 2720
(II) NVIDIA(1):       VRes, VSyncStart : 1600, 1603
(II) NVIDIA(1):       VSyncEnd, VTotal : 1609, 1646
(II) NVIDIA(1):       H/V Polarity     : +/+
[...]
(WW) NVIDIA(GPU-0):     Unable to calculate Display Memory Interface blanking
(WW) NVIDIA(GPU-0):         interval for BestFit Centered ViewPort.
(WW) NVIDIA(1):     Mode is rejected: Unable to construct hardware-specific
(WW) NVIDIA(1):     mode timings.
Please clarify how you're connecting the monitor to the laptop and I'll try to reproduce the problem. Also, please try a newer driver. 177.82's DisplayPort support is a bit half-baked.
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Old 04-09-09, 04:12 AM   #4
cputoaster
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Default Re: MacbookAir2,1 and 3007WFP

Hi again,

I just updated the driver, and everything seems to work fine now. Sorry for the inconvenience, you might want to put a note into the changelogs...

Thx a lot,
Andres
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Old 04-09-09, 10:08 AM   #5
AaronP
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Default Re: MacbookAir2,1 and 3007WFP

Thanks. I'm glad to hear it works!
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