[Bug 57501] [BISECTED] i915: power regression when display is off

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=57501





--- Comment #4 from Matthias <matthias_dienstbier at yahoo.de>  2013-05-03 13:58:42 ---
SNA does not change power uasge.

$ grep -i sna /var/log/Xorg.0.log
[    26.667] (**) intel(0): Option "AccelMethod" "sna"
[    27.327] (II) intel(0): SNA initialized with Broadwater/Crestline backend

I already tried SNA in the last time but 3D performance (tested with Neverball)
is bad with xf86-video-intel 2.21.6.
Version 2.21.5 had even better performance with SNA than with UXA but the
versions before also decrease the performance with SNA.
Except all this SNA has minor rendering problems and UXA is default so I
sticked with that.

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