[Openchrome-devel] [PATCH] Fix new modesetting on P4M890

[Xavier Bachelot]

Rafa? Mi?ecki wrote:
> W dniu 18 wrze?nia 2009 16:34 u?ytkownik Xavier Bachelot
> <xavier at bachelot.org> napisa?:
>> Xavier Bachelot wrote:
>>> Xavier Bachelot wrote:
>>>> Rafa? Mi?ecki wrote:
>>>>> W dniu 11 lipca 2009 00:21 u?ytkownik Xavier Bachelot
>>>>> <xavier at bachelot.org> napisa?:
>>>>>> Fwiw, I don't have any issue switching resolution on a VX800. iirc,
>>>>>> Bartosz also tested, and has no issue on a K8M890. Looks like only
>>>>>> P4M890 is affected so may be it should be wrapped in a chipset test. I
>>>>>> have yet to test if it the patch has any side effect on the VX800 though.
>>>>> This patch is needed for my P4M890, and Bartosz's K8M890 (see bug
>>>>> report for details). We can't predict what more issues can be caused
>>>>> by lack of this code part. As this really shouldn't cause problems
>>>>> (that code was always executed in legacy modesetting) can you apply
>>>>> it, please?
>>>>>
>>>> Committed in changeset 764, thanks for the patch.
>>>>
>>>> Regards,
>>>> Xavier
>>>>
>>> Actually, this patch is causing trouble, at least on the VX800. I should
>>> have caught that before committing the patch, but nevermind...
>>> The attached patch cures the freeze on the VX800. Rafa?, Bartosz, could
>>> you please give it a try and let me know if the resolution change issue
>>> you had is still fixed with it ?
>>>
>>> Regards,
>>> Xavier
>>>
>> Replying to myself again, sorry, but as noone commented on the possibly
>> better patch I posted, I've reverted changeset 764, it's causing too
>> much trouble.
> 
> Ups, sorry. I've read your mail when didn't have access to machine.
> And forgot :|
> 
> After applying your patch, changing resolution again causes lockup.
> Tried this only once so far, will try later.
> 
> Sorry again, I'm too busy with so many projects :/
> 
No problem, I understand. I hope you don't mind the revert, but it's
breaking X for a lot of people, so I think it's better to keep it out
for now. I'm attaching another patch that can probably help. It seems
some registers have been moved around in later revision of the chips. I
would be glad if you can give it a try.

Regards,
Xavier
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