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Re: XFree86 NVidia cached access: msg#00068

Subject: Re: XFree86 NVidia cached access
In message <20031216150508.GA29191@xxxxxxxxxxx>
          Phil Blundell <pb@xxxxxxxxxxx> wrote:

> on Tue, Dec 16, 2003 at 02:14:26PM +0000, Peter Naulls wrote:
> > I have looked at the various mmap calls, and cannot see any particular
> > reason for it.  In particular, using the slow framebuffer driver,
> > access isn't cached.   There aren't any calls to mprotect, either,
> > which might affect things.
> 
> Perhaps you could run the code under strace, capture the output,
> and put it somewhere we can look at.

I have put up the most relevant parts:

http://www.chocky.org/linux/nvidia

Line 602 shows the I/O space mmap, and line 1131 et al show the output
after accessing the I2C bus.

-- 
Peter Naulls - peter@xxxxxxxxxx        | http://www.chocky.org/
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