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# Geode
Driver for [[Geode|https://en.wikipedia.org/wiki/Geode_%28processor%29]] single-chip computers' video output. License: MIT with additional manufacturer's responsibility waiver clause.
This driver was previously called **amd**. It was renamed **geode** to avoid confusion with ATI chipsets acquired by AMD.
## Documentation
[[!table header="no" class="mointable" data="""
**Geode Model** | **Chipset** | **PCI ID** | **Driver** | **Notes**
AMD NX | ? | ? | (unsupported) | Based on Athlon K7 core.
AMD LX | GX3 | 0x1022:0x2081 | xf86-video-geode | OLPC XO-1, ThinCan DBE61/62/63, Linutop 1/2, FIC ION 603A, 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Please note that **xf86-video-cyrix** and **xf86-video-nsc** are no longer maintained and most software distributions no longer ship them.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 2.11.19 (published on 2016-12-12)
This release restores compatibility with xserver-1.19.
### Development Roadmap
The following tables detail the current development roadmap. Please [[create a bug on the X.Org Bugzilla|https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=Driver/geode]] to make a suggestion for new features.
#### 2.11.20
Next bug fix release. Release date unknown. Please link to specific patches on the [[X.Org Bugzilla|https://bugs.freedesktop.org/buglist.cgi?query_format=advanced&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&component=Driver/geode&product=xorg]] that you think should be reviewed for inclusion.
[[!table header="no" class="mointable" data="""
**Feature** | **Developer** | **Status** | **Notes**
DDC pin bit-banging | OPEN | Planned | [[X.Org #22100|https://bugs.freedesktop.org/show_bug.cgi?id=22100]], Debian #637778, Ubuntu #873942, Red Hat #642766
"""]]
#### 2.12.0
Next major release. Release date unknown.
[[!table header="no" class="mointable" data="""
**Feature** | **Developer** | **Status** | **Notes**
Merge GX1 support, then deprecate **cyrix** and **nsc** drivers | OPEN | Planned | [[X.Org #2737|https://bugs.freedesktop.org/show_bug.cgi?id=2737]], [[X.Org #2088|https://bugs.freedesktop.org/show_bug.cgi?id=2088]]
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|http://lists.x.org/mailman/listinfo/xorg-driver-geode]]
* AMD Geode Linux list [[archive|http://geode.insideo.net/info-linux_archives/maillist.html]]
### Bug Trackers
* **[[X.Org|https://bugs.freedesktop.org/buglist.cgi?query_format=advanced&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&component=Driver/cyrix&component=Driver/geode&component=Driver/nsc&product=xorg]]** — Preferably submit bug reports directly to this tracker.
* [[Debian|http://bugs.debian.org/xserver-xorg-video-geode]]
* [[Fedora|https://bugzilla.redhat.com/buglist.cgi?component=xorg-x11-drv-geode&component=xorg-x11-drv-amd&component=xorg-x11-drv-cyrix&component=xorg-x11-drv-nsc]]
* [[Gentoo|https://bugs.gentoo.org/buglist.cgi?quicksearch=x11-drivers%2Fxf86-video-geode]]
* [[Ubuntu|https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-geode]]
## 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|https://bugs.freedesktop.org/show_bug.cgi?id=15700]]
* [[AutoConfig|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|https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amd/+bug/140051]].
* 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|http://bugs.debian.org/451089]] [[Ubuntu BTS|https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amd/+bug/180742]].
* 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|https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/423866]] 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: [[!format txt """
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|http://lists.freedesktop.org/archives/xorg-commit/2007-February/010341.html]] methods.
## Download
* [[Tarballs|http://xorg.freedesktop.org/releases/individual/driver/]]
* [[Git Web|http://cgit.freedesktop.org/xorg/driver/xf86-video-geode/]]
* git clone git://anongit.freedesktop.org/git/xorg/driver/xf86-video-geode
## Contributors
* Maarten Lankhorst (Ubuntu)
* Martin-Éric Racine (Debian)
* Mart Raudsepp (Gentoo)
* 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)
## X.Org HOWTO
* [[Various developer-oriented FAQ and HOWTO|http://www.x.org/wiki/Development]]
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