Hi Magnus,

On Mon, Feb 15, 2010 at 5:41 PM, Phil Edworthy
[off-list ref] wrote:

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Thanks for your patches. Please make sure that the SYS panel case

with

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deferred io is working. Migo-R is a good board to test this on.

I thought the Migo-R doesn't have vsync connected to the SH, so maybe

this

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patch won't show any difference. Is that your understanding?

Something like that, I think the QVGA LCD panel on Migo-R does not
expose the VSYNC pin of the on-panel LCD controller so there is
nothing to connect to the sh7722.

That's what I thought.

So there will be tearing on Migo-R regardless how smart our software is...

Yes, there is nothing we can do about that.

 

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It may be difficult to test your patch because of this, I'm not sure.
My main concern was just to double check that you've thought about
dealing with both the deferred io case and the "regular" non-deferred
io case. The sh7724 KFR2R09 board is using deferred io and I think
some upcoming boards may make use of that as well, so I'd prefer to
keep that case working. =)

How do you want to proceed then? I can't say that I am familiar with
deferred io and I don't have a board I can test it on... Is there anyone

you

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know who can try this?

... but it should be possible to test on Migo-R even though the vsync
pin is missing.

Usually people who submit patches do the testing to make sure other
platforms won't break. I realize that it may be difficult for you if
you don't have any platform to test on.

Ah, I misunderstood... I can test on MigoR but the output will tear
regardless. Is there anything I should look for on MigoR to see if deferred
io is working or not?

Thanks
Phil