[Bug 349992] Re: [945 tiling] Low performance due to no A17 workaround

[Mike Kaplinskiy]

I can confirm, with linux-image-2.6.30rc2 and xserver-xorg-video-
intel-2:2.6.3-0ubuntu9, I get a definite performance boost when using
kwin. With other kernels there was stuttering under any compositing, but
now performance seems to be back or even better than it was in intrepid
(using UXA).

I don't get any crashes when suspending, but I get a very weirdly
rainbow-colored screen right before the computer shuts down and right
before X comes back. It looks sort of like when you press on an LCD
monitor REALLY hard in the top left and bottom left corners. Doesn't
really change anything, just a little weird.

lspci -vnn:
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
        Subsystem: Fujitsu Limited. Device [10cf:1380]
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f0300000 (32-bit, non-prefetchable) [size=512K]
        I/O ports at 1800 [size=8]
        Memory at e0000000 (32-bit, prefetchable) [size=256M]
        Memory at f0400000 (32-bit, non-prefetchable) [size=256K]
        Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable-
        Capabilities: [d0] Power Management version 2
        Kernel modules: intelfb

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[945 tiling] Low performance due to no A17 workaround
https://bugs.launchpad.net/bugs/349992
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