> I found a wiki topic at Gentoo stating that the radeon driver has
> superseded the radeonhd driver. I also found a thread here about
> these drivers in general, but I thought it worth asking again for
> some more specific info about the current status of Free radeon
> drivers in Trisquel 4.0, especially regarding this card.
The radeon Xorg driver should provide more features than the radeonhd
one, but that might depend on your model. I guess -I have no ati card to
try- to use the radeonhd one you need to install the
xserver-xorg-video-radeonhd package and put this into /etc/X11/xorg.conf
####################################################################
Section "Device"
Identifier "Configured Video Device"
Driver "radeonhd"
EndSection
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
EndSection
####################################################################
In any case, the kernel part of the driver -the radeon kernel module-
is required for most of the features provided by both the radeon and
the radeonhd Xorg drivers. That module contains a non-free binary blob,
so we used to remove the module. In Trisquel 4.0 we included a
deblobbed one, but since the blob is, AFAIK, a required piece, it's
possible that our module won't work as well as disabling it completely.
To disable it, run this commands and reboot:
echo blacklist radeon | sudo tee /etc/modprobe.d/radeon.conf
sudo update-initramfs -u
I'm pretty confident you won't get 3D support with none of the
combinations -with or without kernel module, radeon or radeonhd
userspace driver-, but disabling the kernel module might give you video
overlay (xv) support.
