On Tue Nov 29 00:00:34 2011, sashan wrote: > On Sun Nov 27 18:51:03 2011, sashan wrote: > > On Sat Nov 26 22:13:49 2011, Keith Packard wrote: > > > On Sun, 27 Nov 2011 16:01:52 +1100, sashan <sas...@zenskg.net> wrote: > > > > Hi > > > > > > > > I'm trying to figure out why the external hdmi output on my laptop > > > > doesn't work > > > > but am not sure where the problem is or if this is the right mailing > > > > list. > > > > > > I'd bet money that the hdmi connector is only hooked up to the nVidia > > > device, which means you'd have to use that one to display anything over > > > that connector. > > > > > > > Yeah that might be the case but the document > > http://www.nvidia.com/object/LO_optimus_whitepapers.html about nvidia > > optimus > > basically says that the datapath to the physical monitor is always through > > the > > Intel IGP and then the IGP is responsible for writing to the display. The > > nVidia chip is between the application and the IGP, therefore I expected > > that > > the IGP would be connected to the HDMI port. However I'm probably wrong and > > would appreciate if you or someone could clarify my understanding about how > > this > > is meant to work. > > > > The laptop is a Dell XPS 15z > > (http://reviews.cnet.com/laptops/dell-xps-15z/4507-3121_7-34714594.html) > > > > I've been able to get output from the HDMI port onto the monitor by adding the > ModulePath to the nvidia driver to xorg.conf, so it looks like you're right > about the fact that it's connected to the nVidia gpu. > > The problem now is that the higher resolutions aren't detected. The highest it > goes is 640x480. I've tried to manually add a modeline but this is ignored. > The > xorg log shows this when it encounteres the modeline it can't validate: > > (WW) NVIDIA(0): No valid modes for "1920x1080"; removing. > > Is there anyway I can fix this? I've attached the xorg.conf and xorg log file. >
Never mind I've got this working. ReadEDID was set to false in the xorg.conf I posted. I deleted that and X is able to correctly detect modelines. _______________________________________________ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com