[Bug 43191] Radeons needs 2D (MACRO) color tiling for optimal performance

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43191

--- Comment #10 from Simon Farnsworth <simon.farnsworth at onelan.co.uk> 2011-11-24 09:45:44 PST ---
Serial console tells me that my random crashes at 1920x1200 are CP stalls:

[  101.638081] radeon 0000:00:01.0: GPU lockup CP stall for more than 10000msec
[  101.659447] GPU lockup (waiting for 0x0000000E last fence id 0x00000006)
[  101.681108] radeon 0000:00:01.0: GPU softreset 
[  101.694826] radeon 0000:00:01.0:   GRBM_STATUS=0xF5702828
[  101.711170] radeon 0000:00:01.0:   GRBM_STATUS_SE0=0xFC000005
[  101.728566] radeon 0000:00:01.0:   GRBM_STATUS_SE1=0x00000007
[  101.745962] radeon 0000:00:01.0:   SRBM_STATUS=0x20000040
[  101.762316] radeon 0000:00:01.0:   GRBM_SOFT_RESET=0x00007F6B
[  101.779824] radeon 0000:00:01.0:   GRBM_STATUS=0x00003828
[  101.796166] radeon 0000:00:01.0:   GRBM_STATUS_SE0=0x00000007
[  101.813568] radeon 0000:00:01.0:   GRBM_STATUS_SE1=0x00000007
[  101.830964] radeon 0000:00:01.0:   SRBM_STATUS=0x20000040
[  101.848324] radeon 0000:00:01.0: GPU reset succeed
[  101.872392] radeon 0000:00:01.0: WB enabled
[  101.901741] [drm] ring test succeeded in 0 usecs
[  101.915784] [drm] ib test succeeded in 1 usecs

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