On Thu 2010-09-02 19:01:05, kirill wrote:
> kirill wrote:
> > To reduce LCD dma interruption (i.e. LCD artifacts during pcmcia transfers)
> > we can raise it's priority
> > by means of LCSBSCNTR and ARB_CNTRL registers.
> > I used the following values on c3000:
> > LCDBSCNTR = 2
> > ARB_CNTRL = 0x01800f11
> >
> > Those registers can be set in spitc.c/common_init, but I guess that the pm
> > code should be
> > patched to restore regs after suspend.
> I'm not sure why LCSBSCNTR=2 is there, although it doesn't harm. I think it's
> taken from the "original" kernel.
> ARB_CNTRL can actually rise LCD dma priority.
Could you generate a patch here? Does that solve display flicker when
wlan card is in use?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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