On 02/13/2010 12:43 PM, John Robinson wrote:
> Firstly I don't know why your messages aren't appearing on the list, since
> you are cc'ing the list, but never mind.
> 
> Looking at your Xorg.0.log I only see setup happening for the VGA output
> so I've no idea why you're seeing anything on the laptop panel, so I'm
> afraid somebody more knowledgeable than me is going to have to take a
> look, when your emails make it to the list. I've attached your Xorg.0.log
> to this email in the hope that the list will see it and someone can help
> you...
> 
Attached patch should disable the LCD when not in use. Works for me on a
VX800, should work too on your P4M900.

Regards,
Xavier
Index: src/via_driver.c
===================================================================
--- src/via_driver.c	(revision 839)
+++ src/via_driver.c	(working copy)
@@ -1590,8 +1590,11 @@ VIAPreInit(ScrnInfoPtr pScrn, int flags)
     ViaPreInitCRTCConfig(pScrn);
 
     if (!pVia->UseLegacyModeSwitch) {
-        if (pBIOSInfo->Panel->IsActive)
+        if (pBIOSInfo->Panel->IsActive) {
             ViaPanelPreInit(pScrn);
+        } else {
+            ViaLVDSPower(pScrn, FALSE);
+        }
     }
 
     if (pBIOSInfo->Panel->IsActive &&
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