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/downgrade_xorg Secret
Created Oct 23, 2015

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How To Downgrade Xorg - For Catalyst Drivers
1) Remove compiz related packages (if installed)
- emerald-themes
- emerald-git
- compiz-bzr
2) Remove open source drivers:
# pacman -Rs $(pacman -Qq | grep \^xf86-video-)
3) Remove lib32-ati-dri
4) Add xorg115 to /etc/pacman.conf (above all repos):
[xorg115]
Server = http://catalyst.wirephire.com/repo/xorg115/$arch
## Mirrors, if the primary server does not work or is too slow:
#Server = http://mirror.rts-informatique.fr/archlinux-catalyst/repo/xorg115/$arch
#Server = http://mirror.hactar.bz/Vi0L0/xorg115/$arch
5) Import the repository key, key-id: 653C3094
# pacman-key -r 653C3094
# pacman-key -f 653C3094
# pacman-key --lsign-key 653C3094
6) Downgrade the packages:
# pacman -Syyuu
If this fails, run:
# pacman -Syy
# pacman -Rns xorg-server
(others)
# pacman -Rns $(pacman -Qq | grep \^xf86-input-)
# pacman -Syu
7) Install Catalyst:
https://aur.archlinux.org/packages/catalyst-test/
cd catalyst-test; makepkg -sir
DO NOT REBOOT UNTIL Catalyst is completely installed
8) Blacklist radeon:
# nano /etc/modprobe.d/radeon.conf
----
blacklist radeon
9) Reboot :)
10*) Dual Monitor Fix
# amdcccle -- adjust scale
# nano /etc/ati/amdpcsdb
TVEnableOverscan=V1
to
TVEnableOverscan=V0
Logout or Reboot to test.
@micahscopes

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micahscopes commented Apr 16, 2016

thanks!

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