Bug#564174: xserver-xorg-video-intel: xrandr shows outputs that do not exist on Lenovo X200 (GM45)
On Fri, Jan 08, 2010 at 07:22:39AM -0800, Josh Triplett wrote:
> On Fri, Jan 08, 2010 at 09:21:37AM +0100, Brice Goglin wrote:
> > Josh Triplett wrote:
> > > Package: xserver-xorg-video-intel
> > > Version: 2:2.9.1-2
> > > Severity: normal
> > >
> > > On my laptop, a Lenovo X200 with GM45 chipset, xrandr shows many outputs
> > > that do not exist; more if using KMS.
> > >
> > > Output from xrandr without KMS:
> > >
> > > Screen 0: minimum 320 x 200, current 1280 x 800, maximum 4096 x 4096
> > > VGA disconnected (normal left inverted right x axis y axis)
> > > LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis) 261mm x 163mm
> > > 1280x800 60.0*+ 50.0
> > > 1024x768 85.0 75.0 70.1 60.0
> > > 832x624 74.6
> > > 800x600 85.1 72.2 75.0 60.3 56.2
> > > 640x480 85.0 72.8 75.0 59.9
> > > 720x400 85.0
> > > 640x400 85.1
> > > 640x350 85.1
> > > HDMI-1 disconnected (normal left inverted right x axis y axis)
> > > HDMI-2 disconnected (normal left inverted right x axis y axis)
> > >
> > > Note that this laptop does not have HDMI outputs, either on the laptop or on
> > > its associated docking station.
> > >
> > > Output from xrandr with KMS:
> > >
> > > Screen 0: minimum 320 x 200, current 1280 x 800, maximum 8192 x 8192
> > > VGA1 disconnected (normal left inverted right x axis y axis)
> > > LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 261mm x 163mm
> > > 1280x800 60.0*+ 50.0
> > > 1024x768 85.0 75.0 70.1 60.0
> > > 832x624 74.6
> > > 800x600 85.1 72.2 75.0 60.3 56.2
> > > 640x480 85.0 72.8 75.0 59.9
> > > 720x400 85.0
> > > 640x400 85.1
> > > 640x350 85.1
> > > HDMI1 disconnected (normal left inverted right x axis y axis)
> > > DP1 disconnected (normal left inverted right x axis y axis)
> > > HDMI2 disconnected (normal left inverted right x axis y axis)
> > > DP2 disconnected (normal left inverted right x axis y axis)
> > > DP3 disconnected (normal left inverted right x axis y axis)
> > >
> > > In addition to the non-existent HDMI outputs, this shows two non-existent
> > > DisplayPort outputs. This laptop has only one such output, on its docking
> > > station, which I do not have.
> >
> > Sometimes the outputs exist internally but they have no external plug. I
> > don't know if the driver could find that out. At least it's not saying
> > that they are connected :)
>
> The Intel driver has various quirks for particular systems on which
> certain outputs exist internally but not externally, specifically to
> address this type of problem. I just filed this bug in the hopes of
> having another quirk added.
Does this still occur with the current kernel and the current Intel
Xorg driver from unstable?
Cheers,
Moritz
Reply to: