Fix for vblank on nvc0

[Sven Joachim]

On 2012-11-12 22:52 +0100, Maarten Lankhorst wrote:

> Op 12-11-12 22:30, Kelly Doran schreef:
>> I had Sven test this patch... he said it works.  I think chipset
>> number test was executing code that we thought was only either 0x50 or
>> 0xc0, but was actually more specific with things like 0x92.
>>
> Oh right vblank is busted anyway... needs to be nv_device(priv-)>card_type == NV_50 to work.
>
> Your patch is the correct fix.

The patch has landed in the nouveau/master branch now, but not in
drm-nouveau-fixes where it is also needed.

Cheers,
       Sven