[Bug 90741] Radeon: System pauses on TAHITI

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=90741

--- Comment #1 from Gustaw Smolarczyk <wielkiegie at gmail.com> ---
I have managed to bisect this regression:

f2c24b83ae90292d315aa7ac029c6ce7929e01aa is the first bad commit
commit f2c24b83ae90292d315aa7ac029c6ce7929e01aa
Author: Maarten Lankhorst <maarten.lankhorst at canonical.com>
Date:   Wed Apr 2 17:14:48 2014 +0200

    drm/ttm: flip the switch, and convert to dma_fence

    Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com>

:040000 040000 634b9d842856f9a253b8250b6b61423a8b19bf7d
82569dbc605b725ecefac7457b25599158af5fb6 M      drivers
:040000 040000 6ff7fd43b2671ac388b81ec3c9ab47f4a2d39162
0c9d3986f193c83b952b05e7ec1f1c777a44e88e M      include

I am not familiar with the kernel code so I cannot say whether it's a real
regression or is just a problem with a userspace.

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