[GMA500] Valid VCO frequency range on GMA500 platform?

[Patrik Jakobsson]

On Mon, Feb 11, 2013 at 11:18 PM, Patrik Jakobsson
<patrik.r.jakobsson at gmail.com> wrote:
> On Mon, Feb 11, 2013 at 2:15 PM, "David Müller (ELSOFT AG)"
> <d.mueller at elsoft.ch> wrote:
>> Hi Patrik
>>
>> Patrik Jakobsson wrote:
>>> The value of VCO_MIN comes from the Intel PRM for similar GPUs.
>>>
>>> Instead of changing VCO_MIN, could you try setting N_MIN=1, N_MAX=6 and
>>> M1_MAX=22? I'll test it on my own hardware tomorrow.
>>
>> Thanks for your suggestion.
>>
>> With "N_MIN=1, N_MAX=6 and M1_MAX=22", i get a refresh rate of 59.9Hz.
>>
>>
>> Dave
>>
>
> Those values come from the i915 driver and should work fine for us as well.
> I had no problems at my end so I'll submit a patch for this.
>
> -Patrik

I've sent in a patch for this:
http://lists.freedesktop.org/archives/dri-devel/2013-February/034990.html
it is slightly different to what I proposed earlier. Would be nice if you could
give it a spin and report back.

Thanks
Patrik