Re: [PATCH 05/12] drm/ast: Fix calculation of MCLK

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On Fri, Feb 24, 2017 at 1:08 PM, Benjamin Herrenschmidt
<benh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, 2017-02-24 at 12:54 +1030, Joel Stanley wrote:
>> On Fri, Feb 24, 2017 at 9:23 AM, Benjamin Herrenschmidt
>> <benh@xxxxxxxxxxxxxxxxxxx> wrote:
>> > Some braces were missing causing an incorrect calculation.
>> >
>> > Y.C. Chen from Aspeed provided me with the right formula
>> > which I tested on AST2400 and 2500.
>>
>> Y. C. Chen, can you point out this calculation in the programming
>> guide?
>>
>> All of the PLL calculations I can find in the ast2400 documentation
>> are different to this one.
>
> Different PLL register, see my other email. I've checked the result
> of the calculation on our AST2500 and AST2400 machines.

I see now. It woudl be good to see the calculation added to Aspeed's
documentation in the future.

Acked-by: Joel Stanley <joel@xxxxxxxxx>

Cheers,

Joel
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