Acceleration [FreeBSD WIKI]

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====== Acceleration ======

===== Intel =====

:!: The following instructions only apply to amd64 and x86 systems with Intel graphics. Skip ahead for Nvidia and Radeon GPUs.

You have two video driver choices below. Choose the ''%%drm-kmod%%'' driver. If this fails, go with the ''%%xf86-video-intel%%'' driver. The commands below switch to root, install a kernel module, either reboot or switch back to your normal login, and finally start a new X session. Time to decide:

<code>
$ su -
 (enter root password)
# pkg install drm-kmod
# sysrc kld_list="/boot/modules/i915kms.ko"
# reboot
</code>

... or ...

<code>
$ su -
 (enter root password)
# pkg install xf86-video-intel
</code>

Try the first. If X won't start, try the latter option as a last resort. If you need to switch drivers, be sure to remove the old one.
Example: you tried ''%%drm-kmod%%'' which did not work so you remove it and install xf86-video-intel.

<code>
$ su -
 (enter root password)
# pkg remove drm-legacy-kmod
# sysrc kld_list-=/boot/modules/i915kms.ko
# pkg install xf86-video-intel
# reboot
</code>

Back to your ordinary login ...

<code>
$ startx
</code>

At this point you should have a working X session with accelerated Intel graphics.

===== Nvidia =====

TODO

===== Radeon =====

:!: The following instructions only apply to amd64 and x86 systems with Radeon graphics.

You have two video driver choices below. Try the ''%%drm-kmod%%'' driver first. If this fails, go with the ''%%xf86-video-ati%%'' driver. The commands below switch to root, install a kernel module, either reboot or switch back to your normal login, and finally start a new X session. Time to decide:

<code>
$ su -
 (enter root password)
# pkg install drm-kmod
# sysrc kld_list="/boot/modules/radeonkms.ko"
# reboot
</code>

... or ...

<code>
$ su -
 (enter root password)
# pkg install xf86-video-ati
</code>

Try the first. If X won't start, try the latter as a last resort.

----

{{tag>HowTo}}