Auto detect drivers for switchable graphics - Revision history

Cyberey66: /* Script */

2011-02-26T04:36:54Z

‎Script

Cyberey66: /* Initial Setup */

2011-02-26T04:35:58Z

‎Initial Setup

Cyberey66: /* Requirements */

2011-02-26T04:35:20Z

‎Requirements

Cyberey66: /* Requirements */

2011-02-26T04:34:37Z

‎Requirements

Cyberey66: /* Script */

2011-02-23T05:21:12Z

‎Script

Cyberey66: /* Auto detection and configuration for switchable graphics */

2011-02-23T05:19:15Z

‎Auto detection and configuration for switchable graphics

Cyberey66: /* Auto detection and configuration for switchable graphics */

2011-02-23T05:13:23Z

‎Auto detection and configuration for switchable graphics

Cyberey66: /* Initial Setup */

2011-02-23T05:05:44Z

‎Initial Setup

Cyberey66: /* Requirements */

2011-02-23T05:04:58Z

‎Requirements

Cyberey66: /* Script */

2011-02-23T05:04:25Z

‎Script

@@ Line 104: / Line 104: @@
 First copy the script
-         sudo cp video_switch /etc/init.d/
+         cp video_switch /etc/init.d/
 Set it as executable:
-         sudo chmod +x /etc/init.d/video_switch
+         chmod +x /etc/init.d/video_switch
 And set the script to run during boot
-         sudo update-rc.d video_switch defaults
+         update-rc.d video_switch defaults
 Now you can select your graphics card in your bios and you are all ready to go!

@@ Line 27: / Line 27: @@
      cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.xorg
-     cp /usr/lib/xorg/modules/extensions/libglx.so.xorg
+     cp /usr/lib/xorg/modules/extensions/libglx.so /usr/lib/xorg/modules/extensions/libglx.so.xorg
 The next step is to create a simple xorg.conf and save it in the same directory as xorg.conf as xorg.conf.intel.  Simply is must contain:
@@ Line 39: / Line 39: @@
      cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.fglrx
-     cp /usr/lib/xorg/modules/extensions/libglx.so.fglrx
+     cp /usr/lib/xorg/modules/extensions/libglx.so /usr/lib/xorg/modules/extensions/libglx.so.fglrx
 Next we need a copy of an xorg.conf for fglrx.  You can simply generate one and make a copy using:

@@ Line 7: / Line 7: @@
 The script only works to switch between and ATI video card with fglrx drivers and Intel Integrated graphics with xorg drivers.  To select between the drivers, you simply select either 'Discrete' or 'Integrated' in the bios and then boot as normal.  The fglrx and xorg drivers use different libraries and this is the reason they are not compatible with each other.  The two specific libraries are: libGL.so.1.2 and libglx.so.  The script requires copies of the libraries to be stores in /usr/lib/ and /usr/lib/xorg/modules/extensions/ respectively.  You must double check that the libraries are stored correctly as named below!  I would first
-and the original xorg libraries are stored as:
+the original xorg libraries must be stored as:
      /usr/lib/libGL.so.1.2.xorg
      /usr/lib/xorg/modules/extensions/libglx.so.xorg
 then the fglrx libraries must be stored as:
@@ Line 21: / Line 16: @@
      /usr/lib/libGL.so.1.2.fglrx
      /usr/lib/xorg/modules/extensions/libglx.so.fglrx
 In addition, xorg.conf files for each driver, intel and fglrx, must be stored as:

@@ Line 5: / Line 5: @@
 == Requirements ==
-The script only works to switch between and ATI video card with fglrx drivers and Intel Integrated graphics with xorg drivers.  To select between the drivers, you simply select either 'Discrete' or 'Integrated' in the bios and then boot as normal.  The fglrx and xorg drivers use different libraries and this is the reason they are not compatible with each other.  The two specific libraries are: libGL.so.1.2 and libglx.so.  The script requires copies of the libraries to be stores in /usr/lib/ and /usr/lib/xorg/modules/extensions/ respectively.
+The script only works to switch between and ATI video card with fglrx drivers and Intel Integrated graphics with xorg drivers.  To select between the drivers, you simply select either 'Discrete' or 'Integrated' in the bios and then boot as normal.  The fglrx and xorg drivers use different libraries and this is the reason they are not compatible with each other.  The two specific libraries are: libGL.so.1.2 and libglx.so.  The script requires copies of the libraries to be stores in /usr/lib/ and /usr/lib/xorg/modules/extensions/ respectively.  You must double check that the libraries are stored correctly as named below!  I would first
-Specifically, the fglrx libraries are stored as:
+and the original xorg libraries are stored as:
      /usr/lib/libGL.so.1.2.fglrx
      /usr/lib/xorg/modules/extensions/libglx.so.fglrx
-and the original xorg libraries are stored as:
+To save these, after fglrx and while running the discrete card execute:
-     /usr/lib/libGL.so.1.2.xorg
+     cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.fglrx
-     /usr/lib/xorg/modules/extensions/libglx.so.xorg
+     cp /usr/lib/xorg/modules/extensions/libglx.so /usr/lib/xorg/modules/extensions/libglx.so.fglrx
 In addition, xorg.conf files for each driver, intel and fglrx, must be stored as:

@@ Line 104: / Line 104: @@
 First copy the script
-         sudo cp scripts/video_switch /etc/init.d/
+         sudo cp video_switch /etc/init.d/
 Set it as executable:

@@ Line 1: / Line 1: @@
 == Auto detection and configuration for switchable graphics ==
-The purpose of this script is to allow a user to select either the integrated or discrete graphics chip in the BIOS and boot into Linux and have it work without any configuration.  This scripts allows the user to switch between integrated Intel graphics using the xorg driver and discrete ATI graphics using the fglrx driver.  This script was tested on a W500 running Debian Wheezy on Kernel 2.6.32-5 and Fglrx 11.2.  At the time of writing this page, this is the quickest way to switch between integrated graphics and discrete graphics while using the binary ATI drivers.
+The purpose of this script is to allow a user to select either the integrated or discrete graphics chip in the BIOS and boot into Linux and have it work without any configuration.  This scripts allows the user to switch between integrated Intel graphics using the xorg driver and discrete ATI graphics using the fglrx driver.  This script was tested on a W500 running Debian Wheezy on Kernel 2.6.32-5 and Fglrx 11.2.  At the time of writing this page, this is the quickest way to switch between integrated graphics and discrete graphics while using the binary ATI drivers.  Switching under Linux requires a reboot and if one wishes to use binary drivers, switching is generally not possible without first uninstalling the binary drivers and reinstalling the open source drivers and viceversa.
 == Requirements ==

@@ Line 29: / Line 29: @@
 The first step is select the integrated graphics chip in the bios and boot into Linux without fglrx installed.  One then makes copies of the two libraries mentioned above.
-	cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.xorg
+    cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.xorg
-	cp /usr/lib/xorg/modules/extensions/libglx.so.xorg
+    cp /usr/lib/xorg/modules/extensions/libglx.so.xorg
 The next step is to create a simple xorg.conf and save it in the same directory as xorg.conf as xorg.conf.intel.  Simply is must contain:
-	Section "Device"
+    Section "Device"
-		Identifier  "Anyname here will work"
+        Identifier  "Anyname here will work"
-		Driver      "intel"
+        Driver      "intel"
-	EndSection
+    EndSection
 The next step is the same but with the ATI card selected in the BIOS and the fglrx drivers installed.
-	cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.fglrx
+    cp /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1.2.fglrx
-	cp /usr/lib/xorg/modules/extensions/libglx.so.fglrx
+    cp /usr/lib/xorg/modules/extensions/libglx.so.fglrx
 Next we need a copy of an xorg.conf for fglrx.  You can simply generate one and make a copy using:
-	aticonfig --initial
+    aticonfig --initial
-	cp /etc/X11/xorg.conf /etc/X11/xorg.conf.fglrx
+    cp /etc/X11/xorg.conf /etc/X11/xorg.conf.fglrx
 Now we are ready to setup the script.

@@ Line 55: / Line 55: @@
 The script is below and can be saved as video_switch.
-	if [ "$intel" ] ; then
+    #!/bin/bash
-		#setup drivers for intel Xorg driver
+    #check for intel integrated drivers
-		cp /etc/X11/xorg.conf.intel /etc/X11/xorg.conf
+    intel=`lspci | grep Integrated\ Graphics`
 We now set this as an init script to run during boot: