[Libdlo] [PATCH] Fix displaylink-mod with 2.6.32

[Jonathan McDowell]

On Thu, Dec 09, 2010 at 04:21:50PM -0800, Jonathan McDowell wrote:
> On Thu, Dec 09, 2010 at 03:57:59PM -0800, Bernie Thompson wrote:
> > On Thu, Dec 9, 2010 at 3:39 PM, Jonathan McDowell <noodles at earth.li> wrote:
> > > 1680x1050 is 1764000 pixels, so should fit in the 2080000 limit?
> > 
> > Yes, this is a bug.  I'll look into how it could happen (and why it
> > hasn't been something run across before).
> > 
> > Udlfb is not rejecting the 1680x1050 mode, it's noted as valid .. yet
> > it's not getting chosen by the fbdev function fb_find_best_display()
> > that we call.  Can you "uname -a" to tell us what kernel version
> > you're on?
> 
> It's the stock kernel from Debian/Squeeze; 2.6.32:
>
> Linux thukpa 2.6.32-5-amd64 #1 SMP Thu Nov 25 18:02:11 UTC 2010 x86_64
> GNU/Linux
> 
> I can potentially try a 2.6.37 RC kernel, but that might take a bit as
> this is my work box and now I have a working solution it's harder to
> justify downtime fiddling with it.

FWIW I tried with latest Linus git yesterday (using the in tree udlfb
rather than the external git repo) and had no more success; it still
chose 1280x1024.

J.

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