ForceTVOut option in KMS

[Alex Deucher]

On Wed, Dec 8, 2010 at 3:51 PM, Sergej Pupykin <ml at sergej.pp.ru> wrote:
> On 07.12.2010 01:49, Sergej Pupykin wrote:
>>
>> On 04.12.2010 13:59, Sergej Pupykin wrote:
>>>
>>> Hi,
>>>
>>> how can I force TV-out on in KMS?
>>
>> I found video kernel option explanation on
>> http://nouveau.freedesktop.org/wiki/KernelModeSetting
>>
>> I add
>>
>> video=DVI-I-1:1280x1024-24 at 60e video=DIN-1:1024x768-24 at 60e
>>
>> into grub/menu.lst but it affects only DVI-I-1 output, it looks like 2nd
>> video option is ignored.
>>
>> Also I try to add single "video=DIN-1:1024x768-24 at 60e" without success.
>>
>> In dmesg I can see "forcing DVI-I-...." but can not see anything about DIN
>
> It looks like TV output named as "9-pin DIN-1" according to /sys/class/drm/
>
> ls -1 /sys/class/drm/
> card0
> card0-9-pin DIN-1
> card0-DVI-I-1
> card0-VGA-1
> controlD64
> ttm
> version
>
> Does anybody know how to pass space into kernel parameter?
>
> I try quotes:
>
> video="9-pin DIN-1:1024x768-24 at 60e"
>
> and
>
> "video=9-pin DIN-1:1024x768-24 at 60e"
>
> but kernel panics saying about bad variable name

I don't think you have a space in the name.  grub doesn't deal with it
properly unfortunately.

Alex