I'm trying to test Intel's SNA acceleration on Haswell, but Xorg is
not loading my settings. All of the documentation on enabling SNA is
basically the same. Create /etc/X11/xorg.conf.d/20-intel.conf
containing
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
BusID "PCI:0:2:0"
EndSection
Then reboot. Unfortunately, my Fedora 20 system always keeps using UXA
acceleration based on
~: grep -ie uxa -ie sna /var/log/Xorg.0.log
(II) UXA(0): Driver registered support for the following operations:
I've read through the full /var/log/Xorg.0.log file and don't see any
sort of errors. From the beginning of the log, this section seems like
the only relevant part:
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(==) No Layout section. Using the first Screen section.
(==) No screen section available. Using defaults.
(**) |-->Screen "Default Screen Section" (0)
(**) | |-->Monitor "<default monitor>"
(==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
(==) Automatically adding devices
(==) Automatically enabling devices
(==) Automatically adding GPU devices
Has anyone else been able to enable SNA in Fedora 20 and were any
special steps needed?
Thanks,
Justin
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