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

[Martin Waitz]

On Mon, Oct 18, 2004 at 10:42:04PM +0200, Oliver Neukum wrote:
> Am Montag, 18. Oktober 2004 22:21 schrieb Helge Hafting:
> > > 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.
> > > 
> > Isn't it possible for the driver to unmap the mapping when
> > suspending? ?Then you're guaranteed to get that first access.
> 
> But what would you do then? Block everything that is using a terminal?

yes

but that wouldn't last long if you run the userspace helper as soon
as you are finished resuming.

One 'only' needs a method to give feedback while loading the image...
I guess we have to rely on the firmware here.
(Eighter it already sets an useable mode or provides a function that
can display test)

-- 
Martin Waitz

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