Xorg7 + i810 driver + 915resolution = still can't go above 1600x1200.

List Subscriber list-subscriber at mindspring.com
Sun Oct 29 14:11:43 PST 2006


Alan,

I'm attaching the log and my xorg.conf. Let me know if you need anything
else.

Thanks for the help.

cheers.


Alan Hourihane wrote:
> On Sat, 2006-10-28 at 17:13 -0700, List Subscriber wrote:
>> Yes, I suspected as much. The problem really appears to be elsewhere ...
>> its almost as if the resolution is being artificially upper-bounded at
>> 1600x1200 by the driver.
>>
>> To test this, I just removed any 915resolution mode injections letting
>> the V_BIOS report its native modes, the highest there being 1920x1440.
>> And indeed, xrandr (and the corresponding Xorg log entries) fail to
>> detect/report this mode. This establishes that even without any
>> tinkering whatsoever, modes higher than 1600x1200 are not being seen.
>>
>> What then about non-standard modes *under* the 1600x1200 pixel count? I
>> injected 1680x1050 with 915resolution and lo and behold, it works perfectly!
>>
>> So, I now believe that the i810-1.6 driver is forcibly bounding the
>> pixel count at around 1600x1200, at least for the 945G. If this is
>> indeed the case, is it then a regression in 1.6?
> 
> Send a full log and I'll take a closer look.
> 
> Alan.
> 
> 
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