[Nouveau] nvs280 / nv34 card only does 1680x1050, not 1920x1080 ?

[poma]

On 04.09.2015 16:56, Ilia Mirkin wrote:
> Tmds is limited to 135mhz on nv3x. If you use analog, you can get full
> resolution.
> On Sep 4, 2015 9:00 AM, "Hans de Goede" <hdegoede at redhat.com> wrote:
> 
>> Hi All,
>>
>> I've recently acquired a nvs280 card, which is a nv34
>> gpu based card with a pci-e bridge on the card, this
>> way I can test nv3x problems without needing an agp
>> motherboard.
>>
>> One thing which stands out with this card is that
>> it drivers my dvi lcd monitor at 1680x1050 instead of its
>> native 1920x1080.
>>
>> Is this due to a known limitation on the display pipeline
>> of these cards / nv34 gpu-s. Or is this more likely a bug
>> somewhere ?
>>
>> Regards,
>>
>> Hans
>>

man 1 cvt
"Create a mode with reduced blanking. ..."

Enough to fit,
GeForce FX 5200 −DVI− LCD FullHD

xrandr --newmode "1920x1080R" 138.50 1920 1968 2000 2080 1080 1083 1088 1111 +hsync -vsync
xrandr --addmode <output name> 1920x1080R
xrandr --output <output name> --mode 1920x1080R