Gentoo/Intel Integrated Graphics Controller

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Intel Integrated Graphics Controller

Most Pentium-M computers have Intel Integrated Graphics controller in addition to more powerful one. As Intel cooperate with Open Source development, using this video device is usually more stable even if it lacks some features.

PCI

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)

Kernel

Linux Kernel Configuration:
  Device Drivers  --->
    Graphics support  --->
      <*> /dev/agpgart (AGP Support)  ---> 
        <*>   Intel 440LX/BX/GX, I8xx and E7x05 chipset support
      <*> Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)  --->
        <*>   Intel 8xx/9xx/G3x/G4x/HD Graphics
        [*]     Enable modesetting on intel by default 

Framebuffer

Driver is inteldrmfb, for example, use the following kernel parameters:

 video=inteldrmfb:1920x1200-32@60

X11

File: /etc/portage/make.conf
USE="${USE} xv"
VIDEO_CARDS="intel"

Enable some more acceleration:

File: /etc/portage/package.use/x11.conf
x11-drivers/xf86-video-intel sna
emerge --update --deep --newuse @world

No need for any special switches, xorg-server will properly detect the card and work. xrandr utility can be used to manipulate the resolution, ports, placement.

X -configure