Comment 113 for bug 349314

Did you try parts A and B too?

2009/5/15 Chris N <email address hidden>

> Any idea when this patch will make it into the main update stream? I
> tried installing the 2.6.29.3 kernel based on the "official" fix posted
> here http://ubuntuforums.org/showthread.php?t=1130582 but it still has
> lousy video performance on my Eee 900 compared to the kernel posted
> here.
>
> --
> Slow performance and tiling issues on i915
> https://bugs.launchpad.net/bugs/349314
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in The Linux Kernel: Confirmed
> Status in “linux” source package in Ubuntu: In Progress
> Status in linux in Ubuntu Jaunty: Fix Committed
>
> Bug description:
> This problem is particularly noticeable with the Ubuntu Netbook Remix
> launcher, on systems such as the eeePC 900.
>
> http://lists.freedesktop.org/archives/intel-gfx/2009-January/001187.html
>
> ===
>
> 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
>