[Bug 52491] radeon massive screen corruption BARTS HD6870

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=52491





--- Comment #3 from Bruno J. <maxijac at free.fr>  2013-01-12 18:27:13 ---
I bisected it. THough it looks like the behavior changed halfway, I was getting
kernel crashes for this commit for example.

d2ead3eaf8a4bf92129eda69189ce18a6c1cc8bd is the first bad commit                
commit d2ead3eaf8a4bf92129eda69189ce18a6c1cc8bd                                 
Author: Alex Deucher <alexander.deucher at amd.com>                                
Date:   Thu Dec 13 09:55:45 2012 -0500                                          

    drm/radeon/kms: add evergreen/cayman CS parser for async DMA (v2)           

    Allows us to use the DMA ring from userspace.                               
    DMA doesn't have a good NOP packet in which to embed the                    
    reloc idx, so userspace has to add a reloc for each                         
    buffer used and order them to match the command stream.                     

    v2: fix address bounds checking                                             

    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>                     

:040000 040000 7183de0d56e5c01b40775244d5dc4b5441406786
f3abce52c375cc4598cd23739df825771e6fb46e M      drivers

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