[spam] 945GM and multiscreen
Dmitry.Babrovich at densitrongaming.com
Thu Sep 20 02:58:03 PDT 2007
If you are using intel driver then you need to follow this manual http://www.intellinuxgraphics.org/dualhead.html. In order to disable LVDS so it does not get a pipe assigned to it, you would need to specify Option "monitor-LVDS" "LVDSMon" in device section and create monitor section with LVDSMon identifier. Within the section you need to specify option "Ïgnore" set to "true". You might also need to set option "Enable" to "false" if the first option does not work.
From: xorg-bounces at lists.freedesktop.org [mailto:xorg-bounces at lists.freedesktop.org] On Behalf Of Frederic MAZUR
Sent: Thursday, September 20, 2007 9:31 AM
To: xorg at lists.freedesktop.org
Subject: [spam] 945GM and multiscreen
I have some problems configuring my Xorg Server with 945HM graphic chipset. I compiled Xorg 7.3 version and I didn't succeed in making simultaneously CRT Output and TV Output. Only CRT, or Only TV works independently. I tried some options ,described in the documentation on the web site www.intellinuxgraphics.org <http://www.intellinuxgraphics.org> , like "MonitorLayout" :
(Option "MonitorLayout" "anystr"Allow different monitor configurations. e.g. "CRT,LFP" will configure a CRT on Pipe A and an LFP on Pipe B. Regardless of the primary heads' pipe it is always configured as "<PIPEA>,<PIPEB>". Additionally you can add different configurations such as "CRT+DFP,LFP" which would put a digital flat panel and a CRT on pipe A, and a local flat panel on pipe B.For single pipe configurations you can just specify the monitors typeson Pipe A, such as "CRT+DFP" which will enable the CRT and DFPon Pipe A.Valid monitors are CRT, LFP, DFP, TV, CRT2, LFP2, DFP2, TV2 and NONE.NOTE: Some configurations of monitor types may fail, this depends onthe Video BIOS and system configuration.Default: Not configured, and will use the current head's pipe and monitor. )
But when I use this option in my "Device" Section, I have these lines in XOrg.log :
(II) intel(0): Output configuration:
(II) intel(0): Pipe A is on
(II) intel(0): Display plane A is now enabled and connected to pipe A
(II) intel(0): Pipe B is on
(II) intel(0): Display plane B is now enabled and connected to pipe B
(II) intel(0): Output VGA is connected to pipe A
(II) intel(0): Output LVDS is connected to pipe B
(II) intel(0): Output TV is connected to pipe none
(WW) intel(0): Option "MonitorLayout" is not used.
And whatever the combination which I puts, that does not change anything : Option "MonitorLayout" "CRT,TV" or "CRT+TV" (or anything else) doesn't change anything. And I have always CRT on Pipe A , and LVDS on Pipe B. Sometimes, when I use others parameters for Monitor Configuration (TV parameters for example), Pipe A goes automatically on TV, and if I restore my CRT Monitor parameters for monitor configuration, Pipe A goes again on CRT. Pipe B never change. I supposed there is into driver source code a function that determine automatically which pipe on which output, but I want to fix manually (like monitorlayout would do it) Pipe A on CRT and Pipe B on TV (Don't need LVDS).
In order to test the multi screen fonctionnality , I try to remove LVDS initialisation in intel driver source code. I commented these lines (i830_driver.c:746) :
if (IS_MOBILE(pI830) && !IS_I830(pI830))
And now, it works better. Intel driver find only 2 outputs (CRT and TV) , so It automatically puts CRT on Pipe A and TV on Pipe B and I have my 2 images well on each monitors. But I don't like this solution, and I will prefer to have the good configuration lines to do that.
Maybe anyone knows the solution ?
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the xorg