Re: vfb module

From: Antonino A. Daplas
Date: Thu Apr 05 2007 - 14:43:27 EST


On Thu, 2007-04-05 at 10:30 +0200, Michael Trimarchi wrote:
> Hi,
> I changed a little bit the vfb module to be used as a frame buffer in
> memory. I would like to use the mmap over the virtual framebuffer. I
> added a few line:
> I allocated the buffer using
> videomemory=(void *)__get_free_pages(GFP_KERNEL,
> get_order(PAGE_ALIGN(videomemorysize)));
>
> and fixed the framebuffer info structure:
>
> vfb_fix.smem_start = virt_to_phys(videomemory);
> vfb_fix.smem_len = videomemorysize;
>
> What is the virtual frame buffer meant for?

For testing, and some uses it as a skeleton for another driver.

Tony


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