xf86-video-intel LVDS fixes

[Arkadiusz Miskiewicz]

On Wednesday 28 of February 2007, Eric Anholt wrote:
> On Wed, 2007-02-14 at 08:37 +0100, Arkadiusz Miskiewicz wrote:
> > On Tuesday 13 of February 2007, Eric Anholt wrote:
> > > I've just pushed a change to avoid using the BIOS tables for mode
> > > setting on the LVDS in xf86-video-intel whenever possible.  I'm hoping
> > > this resolves many of the various LVDS issues reported, automatically,
> > > with no configuration necessary.  So, if you've had any trouble with
> > > laptop panels with the modesetting branch, please retest with the
> > > latest code and update your bug reports.
> >
> > My friend has acer notebook with:
> >
> > 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM
> > Integrated Graphics Device (rev 02)
> > 00:02.1 Display controller: Intel Corporation 82852/855GM Integrated
> > Graphics Device (rev 02)
> >
> > and he was testing intel driver from git (week old snapshot and
> > yesterdays one).
> >
> > Description below was seen on yesterdays git.
> >
> > Resolution with intel driver is set nicely, everything is drawn properly
> > but the lcd flickers (almost unnoticeable but very annoying). Also it
> > feels slower (mouse, moving windows etc). Any magic options that could
> > change behaviour?
> >
> > Resolution switching using xrandr -s X seems to work, is sees such modes:
> > $ xrandr
> > SZ:    Pixels          Physical       Refresh
> > *0   1280 x 800    ( 332mm x 212mm )  *60
> > 1   1024 x 768    ( 332mm x 212mm )   60
> > 2    800 x 600    ( 332mm x 212mm )   60
> > 3    640 x 480    ( 332mm x 212mm )   60
> > Current rotation - normal
> > Current reflection - none
> > Rotations possible - normal left inverted right
> > Reflections possible - none
> >
> > Log from intel driver from yesterday git:
> > http://ep09.pld-linux.org/~arekm/intel/Xorg.0.log
> >
> > Log from i810 driver  + 855resolution app:
> > http://ep09.pld-linux.org/~arekm/intel/Xorg.0.log.old
> >
> > Used xorg.conf:
> > http://ep09.pld-linux.org/~arekm/intel/xorg.conf
>
> Sorry, without a bugzilla entry, I lost your bug report.  Please try
> http://people.freedesktop.org/~anholt/i8xx-clocks.diff
> and either mail me saying it works, or file a bugzilla for it with log
> and note that you were using this patch.

We did test it with recent 902 xserver and 92 driver, report is here:
https://bugs.freedesktop.org/show_bug.cgi?id=10304

-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/