On Mon, Jul 26, 2010 at 3:42 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote: > On Mon, Jul 12, 2010 at 01:37:28PM -0400, Alex Deucher wrote: >> >> >> >> >> > >> >> > The other patch (0001-drm-radeon-kms-fix-shared-ddc-handling.patch) applied >> >> > my system mostly works now, but here's a summary about the problem I still have >> >> > with the lid detection: >> >> > >> >> > - I boot up the laptop with lid closed (LVDS inactive) so there's only external >> >> > DVI display connected. Kernel boot messages show up on the external DVI display, >> >> > and GDM login prompt appears on the external DVI display. All fine so far. >> >> > >> >> > - The actual problem: when X starts gnome panel etc show up on the internal LVDS >> >> > display, which I can't see at all since the lid is closed! So those should go to the >> >> > external DVI display only.. LVDS should be disconnected or inactive or something.. >> >> > >> >> > Any pointers appreciated where to look at in the source.. I can do some debugging. >> >> >> >> Your desktop session manager should check the lid status when it loads >> >> and attempt to do the right thing if there is an external monitor >> >> detected. >> >> >> > >> > Ok. >> > So you think it's not a bug in the lid detection? >> >> Not sure. That's handled by apci, not the video driver. You can >> check it the lid is producing proper events by running: >> cat /proc/acpi/button/lid/LID/state >> with the lid open and closed. The desktop manager decides what the >> policy is for the lid (blank display, suspend, turn off the connector, >> etc.). It should also take into account other connected outputs, but >> I don't think it handles that too well at the moment. >> > > Yes, the lid acpi stuff seems to work: > > lid closed: > $ cat /proc/acpi/button/lid/LID/state > state: closed > > lid open: > $ cat /proc/acpi/button/lid/LID/state > state: open > > I also verified that the initial lid state is "closed" when > the lid has been closed all the time during system startup > and only external DVI display is in use. > > (I modified /etc/rc5.d/S01sysstat to sleep+print+sleep > so I can check it during system startup before X starts). > > When the lid is closed xrandr says "LVDS connected", is that correct? Yes. The LVDS is connected, even if you don't necessarily want to use it. > > I think LVDS actually is ON when lid is closed, since I can immediately > see everything when I open the lid.. correct colors etc. > > So what's the component I should start looking at.. gnome-power-manager? > or something else? > > Actually.. I just noticed that already in GDM prompt the internal LVDS > gets enabled/turned on, even when the lid is closed.. I think. Yes, it's up to to gdm, gnome-power-manager, etc. to decide the display policy based on the lid state. Alex _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
