Re: O2 framebuffer problems with install kernel

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Hello,

On Jul 28, 2008, at 11:37, Izumi Tsutsui wrote:

> [email protected] wrote:
>
>>>> - - it works fine on R5k O2s
>>>
>>> Erm no, I reported the problems and I've got a 180MHz R5k O2.
>>
>> Ok, it works on (some|most) R5k O2s. Mine's got a 200MHz/1MB cache
>> CPU module and 256MB RAM, I do have a 180MHz/512kB module somewhere,
>> I'll dig it up and see if it changes anything.
>
> Mine is also R5K 180MHz/512k and has the same problem.
>
> Anyway, it looks just a simple DMA-cache issue and
> the attached patch seems to fix it.

> +	    BUS_DMA_NOWAIT | BUS_DMA_COHERENT);

Ouch. I should have seen that one.

have fun
Michael

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