[Bug 89072] Radeon Hawaii no acceleration on 32-bit kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89072

--- Comment #5 from Woody Suwalski <terraluna977 at gmail.com> ---
Your idea seems to be correct:

[    0.922337] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    0.922383] [drm] Driver supports precise vblank timestamp query.
[    0.922444] radeon 0000:01:00.0: radeon: using MSI.
[    0.922505] [drm] radeon: irq initialized.
[    0.924622] [drm] ring test on 0 succeeded in 4 usecs
[    0.924743] [drm] ring test on 1 succeeded in 3 usecs
[    0.924799] [drm] ring test on 2 succeeded in 3 usecs
[    0.924945] [drm] ring test on 3 succeeded in 5 usecs
[    0.924997] [drm] ring test on 4 succeeded in 5 usecs
[    0.970689] [drm] ring test on 5 succeeded in 2 usecs
[    0.990579] [drm] UVD initialized successfully.
[    1.099778] [drm] ring test on 6 succeeded in 24 usecs
[    1.099831] [drm] ring test on 7 succeeded in 3 usecs
[    1.099876] [drm] VCE initialized successfully.
[    1.100006] [drm] ib test on ring 0 succeeded in 0 usecs
[    1.599633] [drm] ib test on ring 1 succeeded in 0 usecs
[    1.851505] tsc: Refined TSC clocksource calibration: 3092.973 MHz
[    2.099525] [drm] ib test on ring 2 succeeded in 0 usecs
[    2.099660] [drm] ib test on ring 3 succeeded in 0 usecs
[    2.099758] [drm] ib test on ring 4 succeeded in 0 usecs
[    2.619405] [drm] ib test on ring 5 succeeded
[    2.640200] [drm] ib test on ring 6 succeeded
[    2.640982] [drm] ib test on ring 7 succeeded

glxgears shows much better numbers now.

The side effect is a compilation warning for nouveau driver - patch attached.

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