Here's the kernel fix. I've been told this is included in 2.6.30-rc2:
commit 280b713b5b0fd84cf2469098aee88acbb5de859c
Author: Eric Anholt <[email protected]>
Date: Thu Mar 12 16:56:27 2009 -0700
drm/i915: Allow tiling of objects with bit 17 swizzling by the CPU.
queued to linus
The kernel team has prepared a PPA of 2.6.30-rc2:
PPA: http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.30-rc2
<rtg> bryce: 2.6.30-rc2 has a bunch of i915 patches from Dave Arlie. He
claims big performance improvements which likely address out issues in
Jaunty. Is it possible for you to run that kernel somewhere and test the
results? http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.30-rc2
@olskar, keep in mind that Jaunty is already in final freeze. Your
question should s/when//.
--
[945 tiling] Low performance due to no A17 workaround
https://bugs.launchpad.net/bugs/349992
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