Latitude D505, BIOS A11

[Michael E Brown]

On Tue, Mar 13, 2007 at 06:26:24PM +0100, Jaroslaw Gorny wrote:
> Hi,
> 
> Tuesday 13 of March 2007 16:11:45 Michael E Brown napisa??(a):
> > On Tue, Mar 13, 2007 at 09:30:59AM +0100, Jaroslaw Gorny wrote:
> > > Hi,
> > > At work I've got Latitude D505 with FC6.
> > > After upgrading BIOS to A11 version there's a problem with LCD display on
> > > Linux. In graphical mode on the top of the screen there's a horizontal
> > > stripe (7mm height) spreading across the whole screen. It is mostly
> > > green, but generally shows some "garbage".
> > > And the "normal" image is shifted down this 7mm.
> > >
> > > Downgrade to A09 BIOS solves this problem.
> >
> > Do you have Intel Graphics?
> Yes,
> 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated 
> Graphics Device (rev 02)
> 
> > Which Linux distribution/version are you using? 
> Fedora Core 6
> 
> >
> > If Intel, have you tried the modesetting branch of xorg? It looks like
> > Fedora 7 will have this, so it might take care of this problem.
> 
> I've tried modesetting branch some weeks ago, but it didn't solve my main 
> issue (currently i810 Xorg driver doesn't allow me to set native resolution - 
> 1400x1050). So I gave it up.
> 
> BTW. To get 1400x1050 I use 915resolution patch. Without this I am able only 
> to get 1024x768 (which is not native to this display and looks ugly).

Yes, I have a D620 and have the same issue in that I have to use 915resolution.

I would suspect that there is a bug introduced in the BIOS modesetting in A11.

> 
> And the results are as follows:
> 
> A09 BIOS
> 1024x768 (without 915resolution): image OK
> 1400x1050 (with 915resolutioN): image OK
> 
> A11 BIOS
> 1024x768 (without 915resolution): image BAD
> 1400x1050 (with 915resolutioN): image BAD
> 
> > Otherwise, 
> > you can download and try it out to see if it works. Can you posts your
> 
> My time resources are very limited. I'll try to play with modesetting branch 
> at the end of the week.

Ok, cool.

> 
> > /var/log/Xorg.0.log from both the working and non-working BIOS?
> >
> http://rmrmg.com/jaroslav/d505-logs/
> Currently only from A09. I'll flash BIOS again and then upload results when 
> running on A11 (I'll let You know when I'm ready).
> 
> > In the past, I have seen something similar on my D500 laptop, but only when
> > I used the Fn-F8 key to try to switch between LCD and CRT, and only on
> > older versions of X.
> This is not the case. I never use [Fn]+[F8] keys ;)

Sure. I can go talk to some folks. This might end up needing to be a support escalation or something like that, though.
--
Michael