Re: waitforVBlank, how does this even work?

[Jon Smirl <jonsmirl@gmail.com>]

On Wed, 2 Mar 2005 13:08:23 -0500, Eric Sellers <sellers-eric@rogers.com> wrote:
> You can use my module with or without X
> (right now it only supports the older mach64 cards)
> 
> The only problem is there is no way of telling X where
> the capture buffers are. So you might get some corruption on screen when X
> uses that memory and it gets overwritten by a frame and then copied back.
> 
> The more memory you have the less you will notice this.
> (so if you have a 4 meg card, you might want to keep your resolution and bit
> depth down)
> 
> If there was a userspace program that could allocate the end of video memory
> there would be no problem.

I'm working on the radeon fbdev and DRM drivers currently. I can fix
the memory management for V4L if there is a radeon driver available.


> 
> Eric
> 


-- 
Jon Smirl
jonsmirl@gmail.com


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