[Bug 63599] [r600][r600] GPU lockup CP stall (kernel 3.2.47, 3.4, 3.8, 3.9)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63599

--- Comment #13 from Alex Deucher <agd5f at yahoo.com> ---
Try comparing the following registers between fglrx and radeon:

0x98FC
0x98F8
0x8950
0x98F4
0x3F88
0x9B7C
0x3F90
0x9148
0x3F94
0x914C
0x8954
0x2004
0x2008
0x2768
0x8B24
0xA008
0xA020
0xA02C
0x9100
0x913C
0x960c
0x9610
0x88C4

You can use radeonreg (as root):
./radeonreg regmatch 0x98FC

See if changing any of them to what fglrx programs before starting X with
tiling disabled.

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