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[[File:Xf86-video-ati.png|thumb]]


Radeon is the open source graphics driver for AMD/ATI Radeon graphics cards that is often replaced by fglrx due to seemingly poor 3D acceleration. This guide will attempt to fix this, mostly by making use of the new feature-set, namely, DRI3.
Radeon is part of the [[GNU/Linux|Linux]] open-source graphics driver stack for AMD/ATI Radeon graphics cards that is often replaced by fglrx, the proprietary alternative, due to seemingly poor 3D acceleration and threading (soon to be provided by Mesa).  


== Before starting ==
The stack consists of xf86-video-ati, mesa, and, for some older cards, llvm (to compile the shaders). Some cards support the new AMDGPU driver that replaces this one, as well as mesa.
 
==Building from source==
{{warning|''This is quite bleeding edge and might not work. Should it fail, you will be on your own.''}}
 
=== Before starting ===
Check your cards feature-set: https://wiki.freedesktop.org/xorg/RadeonFeature/#index6h2
Check your cards feature-set: https://wiki.freedesktop.org/xorg/RadeonFeature/#index6h2
"''Decoder ring for engineering vs marketing names''" will tell you what model your card actually is.
"''Decoder ring for engineering vs marketing names''" will tell you what model your card actually is.


=== What should I expect? ===
Back your xorg.conf up by issuing {{ic|<nowiki>sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf~</nowiki>}}
Run: '''''vblank_mode=0 glxgears & sleep 15 ; killall glxgears'''''
 
 
280x (gigabyte)
 
__ Before:
 
16067 frames in 5.0 seconds = 3213.298 FPS
 
16295 frames in 5.0 seconds = 3258.964 FPS
 
__ After:
 
85556 frames in 5.0 seconds = 17111.051 FPS
 
90009 frames in 5.0 seconds = 18001.777 FPS
 
glxgears is a very simple test, but you can use it to test a driver's 3D performance relative to another one. As you can see here, the results speak for themselves and indicate a performance increase of roughly 560%.
 
 
== Requirements & dependencies ==
X.Org Server 1.17 (not absolutely necessary, but recommended for stability)
media-libs/mesa (the newest version you can find)
 
  `--  x11-libs/libdrm-2.4.65  (>=2.4.58)
  `--  x11-libs/libpciaccess (>=0.8.0)
  `--  x11-base/xorg-server
  `--  x11-libs/glamor (>=0.6)
  `--  virtual/udev
  `--  x11-proto/fontsproto
  `--  x11-proto/randrproto
  `--  x11-proto/renderproto
  `--  x11-proto/videoproto
  `--  x11-proto/xextproto
  `--  x11-proto/xf86driproto
  `--  x11-proto/xproto
  `--  sys-devel/automake  (>1.15)
  `--  sys-devel/autoconf  (>=2.69)
  `--  sys-devel/libtool  (>=2.4)
  `--  sys-devel/m4
  `--  x11-misc/util-macros-1.19.0  (>=1.18)
  `--  media-fonts/font-util  (>=1.2.0)
  `--  virtual/pkgconfig
  `--  x11-proto/glproto
  `--  x11-proto/dri2proto
  `--  x11-proto/xineramaproto
 
Note: apt and yum users need only run ''''''sudo apt-get build-dep xserver-xorg-video-ati'''''' and ''''''sudo yum-builddep xorg-x11-drv-ati'''''' respectively, to build the dependencies automagically. Arch users can do this with pkgbuild somehow, and gentoo users need only emerge the actual driver to have all the dependencies.
 
== Building ==
  # git clone git://anongit.freedesktop.org/xorg/driver/xf86-video-ati
  # ./autogen.sh --prefix=/opt/xorg
  # make
  # sudo make install
 
Afterwards
  # sudo vim /etc/X11/xorg.conf
      Section "Files"
              ModulePath "/opt/xorg/lib/xorg/modules,/usr/lib/xorg/modules"
      EndSection


Make sure you have these as well:
=== Requirements & dependencies ===
      Section "Module"
`--  media-libs/mesa  (>=11.0, preferably -git as this will have a major effect on performance, more so than this component<sup>[http://www.x.org/wiki/radeonBuildHowTo/]</sup>)
              Load "dri" # CHECK THE RADEON FEATURE PAGE LISTED AT THE TOP OF THE WIKI TO SEE IF YOUR CARD SUPPORTS IT
`--  x11-libs/libdrm  (>=2.4.58, preferably -git<sup>[http://www.x.org/wiki/radeonBuildHowTo/]</sup>, since this is the library DRI uses)
              Load "dbe" # Double buffer extension
`--  x11-libs/libpciaccess (>=0.8.0)
              Load "glx" # OpenGL X protocol interface
`--  x11-base/xorg-server (ideally, >=1.17)
              Load "extmod" # Misc. required extension
`--  x11-libs/glamor (>=0.6)
      EndSection
`--  virtual/udev
     
`--  x11-proto/fontsproto
      Section "DRI"
`--  x11-proto/randrproto
              Group        "video"
`--  x11-proto/renderproto
              Mode        0666
`--  x11-proto/videoproto
      EndSection
`--  x11-proto/xextproto
`--  x11-proto/xf86driproto
`--  x11-proto/xproto
`--  sys-devel/automake  (>1.15)
`--  sys-devel/autoconf  (>=2.69)
`--  sys-devel/libtool  (>=2.4)
`--  sys-devel/m4
`--  x11-misc/util-macros  (>=1.18)
`--  media-fonts/font-util  (>=1.2.0)
`--  virtual/pkgconfig
`--  x11-proto/glproto
`--  x11-proto/dri2proto
`--  x11-proto/dri3proto
`--  x11-proto/xineramaproto


  #sudo vim /etc/X11/xorg.conf.d/20-radeon
Certain package managers can automatically build the dependency tree for you. However, you ought to double check to make sure the above requirements coincide, in terms of versions.
      Section "Device"
              Identifier "radeonVGA"
                          Driver "radeon"
                          Option "AccelMethod" "Glamor"
                          Option "DRI3" "on"
                          Option "EnablePageFlip" "On"
      EndSection


* '''''Aptitude:''''' run {{ic|sudo apt-get build-dep xserver-xorg-video-ati}};
* '''''Yum:''''' run {{ic|sudo yum-builddep xorg-x11-drv-ati}};
* '''''Portage:''''' emerge the actual driver to satisfy all dependencies;
* '''''BUILDPKG (Arch):''''' run {{ic|sudo makepkg -s xf86-video-ati}}.


Feel free to run '''sudo chattr +i /etc/X11/xorg.conf''' to keep X from overwriting this (chattr -i will undo this).
=== Compiling ===
# {{ic|git clone git://anongit.freedesktop.org/xorg/driver/xf86-video-ati}}
# {{ic|cd xf86-video-ati}}
# {{ic|<nowiki>./autogen.sh</nowiki>}}
# {{ic|<nowiki>CFLAGS="-O3 -march=native" ./configure --prefix=/opt/xorg</nowiki>}}
# {{ic|make -jn }}, where n is the number of jobs you want to spawn
# {{ic|sudo make install}}


Example xorg.conf: http://pastebin.com/aE3e21Bn
Example xorg.conf (compulsory reading, since you need to determine the ModulePath under files): http://pastebin.com/raw/aE3e21Bn
IMPORTANT: Recompiling the driver will become a necessity after each X upgrade.


{{warning|Recompiling the driver will become a necessity after each major X upgrade (eg: 1.16 --> 1.17, not 1.16 --> 1.16.4), due to ABI changes.}}


== External links ==
== External links ==
For more info (eg: building Mesa and libdrm from source): http://www.x.org/wiki/radeonBuildHowTo/
*[http://www.x.org/wiki/radeonBuildHowTo/ For more info (eg: building libdrm and mesa from source)]
*[https://www.phoronix.com/scan.php?page=article&item=radeon-dri3-perf&num=1 Real world benchmarks]


[[Category:Software]]
[[Category:Software]]
[[Category:Hardware]]
[[Category:HowTo]]
[[Category:Tutorials]]

Latest revision as of 14:39, 14 February 2017

Xf86-video-ati.png

Radeon is part of the Linux open-source graphics driver stack for AMD/ATI Radeon graphics cards that is often replaced by fglrx, the proprietary alternative, due to seemingly poor 3D acceleration and threading (soon to be provided by Mesa).

The stack consists of xf86-video-ati, mesa, and, for some older cards, llvm (to compile the shaders). Some cards support the new AMDGPU driver that replaces this one, as well as mesa.

Building from source

Warning: This is quite bleeding edge and might not work. Should it fail, you will be on your own.

Before starting

Check your cards feature-set: https://wiki.freedesktop.org/xorg/RadeonFeature/#index6h2 "Decoder ring for engineering vs marketing names" will tell you what model your card actually is.

Back your xorg.conf up by issuing sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf~

Requirements & dependencies

`--  media-libs/mesa  (>=11.0, preferably -git as this will have a major effect on performance, more so than this component[1])
`--  x11-libs/libdrm  (>=2.4.58, preferably -git[2], since this is the library DRI uses)
`--  x11-libs/libpciaccess (>=0.8.0)
`--  x11-base/xorg-server (ideally, >=1.17)
`--  x11-libs/glamor (>=0.6)
`--  virtual/udev
`--  x11-proto/fontsproto
`--  x11-proto/randrproto
`--  x11-proto/renderproto
`--  x11-proto/videoproto
`--  x11-proto/xextproto
`--  x11-proto/xf86driproto
`--  x11-proto/xproto
`--  sys-devel/automake  (>1.15)
`--  sys-devel/autoconf  (>=2.69)
`--  sys-devel/libtool  (>=2.4)
`--  sys-devel/m4
`--  x11-misc/util-macros  (>=1.18)
`--  media-fonts/font-util  (>=1.2.0)
`--  virtual/pkgconfig
`--  x11-proto/glproto
`--  x11-proto/dri2proto
`--  x11-proto/dri3proto
`--  x11-proto/xineramaproto

Certain package managers can automatically build the dependency tree for you. However, you ought to double check to make sure the above requirements coincide, in terms of versions.

  • Aptitude: run sudo apt-get build-dep xserver-xorg-video-ati;
  • Yum: run sudo yum-builddep xorg-x11-drv-ati;
  • Portage: emerge the actual driver to satisfy all dependencies;
  • BUILDPKG (Arch): run sudo makepkg -s xf86-video-ati.

Compiling

  1. git clone git://anongit.freedesktop.org/xorg/driver/xf86-video-ati
  2. cd xf86-video-ati
  3. ./autogen.sh
  4. CFLAGS="-O3 -march=native" ./configure --prefix=/opt/xorg
  5. make -jn , where n is the number of jobs you want to spawn
  6. sudo make install

Example xorg.conf (compulsory reading, since you need to determine the ModulePath under files): http://pastebin.com/raw/aE3e21Bn

Warning: Recompiling the driver will become a necessity after each major X upgrade (eg: 1.16 --> 1.17, not 1.16 --> 1.16.4), due to ABI changes.

External links

Retrieved from "https://igwiki.lyci.de/index.php?title=Radeon&oldid=11341"