Re: [Linux-fbdev-devel] Generic VESA framebuffer driver and Video card BOOT?

[Gerd Knorr]

On Mon, Oct 18, 2004 at 01:39:29PM +0200, Martin Waitz wrote:
> hi :)
> 
> > Whenever writing to the gfx memory before finishing the initialization
> > is harmless or not probably depends on the hardware, I'd better not
> > count on it ...
> 
> when the application tries to access the framebuffer memory then
> the driver is asked to map the corresponding page.

On first access only, and even that only if the driver doesn't map the
pages at mmap() time already.  Not a single fb driver seems to map the
pages lazy today, grepping in drivers/video for nopage handles shows
nothing.  I'm not sure you can actually do that for iomem mappings.

  Gerd

-- 
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