[Bug 349314] Re: Slow performance and tiling issues on i915

Andy Whitcroft apw at canonical.com
Thu May 7 11:36:18 UTC 2009

** Description changed:

  This problem is particularly noticeable with the Ubuntu Netbook Remix
  launcher, on systems such as the eeePC 900.
+ ===
+ SRU Justification Jaunty
+ Impact: Video performance of affected systems is very poor, watching
+ video is not possible
+ Fix Description: detect and enable previously disabled tiling support
+ IFF not already enabled by the BIOS
+ Patch:
+     http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=commit;h=de385c9db845645e6cc40a5355b6779e044d6afb
+     http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=commit;h=3533af638b8e149568fd3d6cdbbb4a384674f170
+ Risks: MCHBAR is disabled for good reason on some unknown platform,
+ given this is a chipset level feature this is very unlikely
+ TEST CASE: see bug

Slow performance and tiling issues on i915
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