Geode

Driver for Geode single-chip computers' video output. License: MIT

This driver was previously called amd. It was renamed geode to avoid confusion with ATI chipsets acquired by AMD.

Documentation

Geode Model Chipset PCI ID Driver Notes
AMD NX ? ? (unsupported) Based on K7 Athlon core.
AMD LX GX3 0x1022:0x2081 xf86-video-geode OLPC XO-1, FIC ION 603A, ThinCan DBE61/62/63, Linutop 1/2, Viglen, etc.
NSC GX2 GX2 0x100B:0x0030 xf86-video-geode or -nsc a.k.a. AMD GX after Geode division was bought from NSC; a.k.a. "Red Cloud"
NSC SCx200 GX1 0x100B:0x0504 xf86-video-nsc a.k.a. AMD SC after Geode division was bought from NSC.
NSC SC1400 GX1 0x100B:0x0104 xf86-video-nsc
Cyrix Media GX GX1 0x1078:0x0104 xf86-video-cyrix or -nsc

Both xf86-video-geode and xf86-video-nsc support the "Red Cloud" chipset. However, only geode has up-to-date code.

Please note that xf86-video-cyrix and xf86-video-nsc are no longer maintained and most software distributions no longer ship them. We have set a milestone to import GX1 support into geode then deprecate cyrix and nsc. See below for details. Help is welcome!

Release 2.11.16 (release date: 2014-07-17)

This release restores compatibility with xserver-1.15 and newer by adding a missing xf86Modes.h include to src/geode_dcon.c

Development Roadmap

The following tables detail the current development roadmap. Please create a bug on the X.Org Bugzilla to make a suggestion for new features.

2.11.17

Next bug fix release. Release date unknown. Please link to specific patches on the X.org BTS that you think should be reviewed for inclusion.

Feature Developer Status Notes
DDC pin bit-banging Xorg: #22100, Debian #637778, Ubuntu #873942, Red Hat #642766

2.12.0

Next major release. Release date unknown.

Feature Developer Status Notes
Merge GX1 support, then deprecate cyrix and nsc drivers OPEN Planned see X.org BTS wishlist bug
Port to Linux >= 2.6.30 kernel mode setting (KMS) OPEN Planned

Support

IRC Channel

Developers can sometimes be found on #geode on the Freenode network.

Mailing Lists

  • X.org xf86-video-geode list
  • AMD Geode Linux list archive

Bug Trackers

Known Issues

Server-specific bugs

  • With X server 1.7 and up:
    • (no known issue)
  • With X server 1.5 and X server 1.6:
    • EXA Composite rendering bug: Black boxes X.org BTS
    • ?AutoConfig only implemented for LX.
  • With X server 1.3 and X server 1.4:
    • Some platforms will freeze when using X -configure: Ubuntu BTS.
      • Attachments include two patches against x86emu (port blacklist, PCI bus access) that resolve this issue.
        • blacklist patch rejected
        • PCI patch merged into X core 1.5 tree
  • With X server 1.2:
    • Cannot compile since 2.9.0 (see below).
    • Switching to a console using CTRL+ALT+Fx fails on some platforms: Debian BTS Ubuntu BTS.
      • Attachments include a patch against x86emu (CPUID) that resolves the issue.
        • CPU ID patch merged into X core 1.5 tree
  • With X server 1.1 and a static xorg.conf configuration file:
    • Cannot compile since 2.9.0 (see below).

AutoConfig support

  • LX works since X server 1.5.
  • GX2 works since X server 1.7.
  • GX1 works since X server 1.7. See patches on the Ubuntu BTS to implement this on 1.4 and 1.6; should also work on 1.3 and 1.5 with minor adjustments.

Known Regression

  • Compilation against X server << 1.3 fails since geode 2.9.0 because of a missing header:
     geode_ddc.c:31:23: error: xf86Modes.h: No such file or directory
    geode_ddc.c:158:50: error: missing binary operator before token "("
    Might be fixable following Intel driver autoconf methods.

Download

  • Tarballs
  • Git Web
  • git clone git://anongit.freedesktop.org/git/xorg/driver/xf86-video-geode

Contributors

  • Maarten Lankhorst (Ubuntu)
  • Martin-Éric Racine (Debian)
  • Mart Raudsepp (Gentoo)

Previous Contributors

  • Chris Ball (OLPC)
  • Jordan Crouse (AMD)
  • Hunk Cui (AMD)
  • Daniel Drake (OLPC)
  • Frank Huang (AMD)
  • Bernardo Innocenti (OLPC)
  • Adam Jackson (Red Hat)
  • Priit Laes (Gentoo)
  • Gideon Romm (Symbio Technologies)
  • Otavio Salvador (Debian)
  • Warren Togami (Red Hat)
  • Bart Trojanowski (Symbio Technologies)

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