[Bug 555595] Re: Intel graphics performance regression in 2.6.32-19 lucid kernel update (was: Firefox Slows Down Compiz)

[Steve Conklin]

So it looks like the problem appeared in the .18->.19 release, and there
aren't many patches in there that touched the i915 driver. I'll
investigate and perhaps build a test kernel that backs out the
patch(es).

There was a patch that went in to disable FBC for 915GM and 945GM
devices, to prevent some suspend/resum problems.

That was for launchpad bugs 492392 and 539609.

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Intel graphics performance regression in 2.6.32-19 lucid kernel update (was: Firefox Slows Down Compiz)
https://bugs.launchpad.net/bugs/555595
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