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FYI: 15x 2D performance decrease in radeon driver KMS


When testing the radeon driver we'll get in Squeeze, I noticed that a
performance regression: 2D operations are currently around 15x slower
in the now-default KMS mode (kernel-based mode-setting).

This means that all non-OpenGL games become unplayable or very choppy.

While discussing with the package maintainer, I had the unsafe
impression that they were more obsessed about enabling KMS (and
stopping non-KMS maintenance) rather than perserving performances.

I hope this will get fixed for Squeeze :/


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