drm/radeon: fix a semaphore deadlock on pre cayman asics
authorChristian König <deathsimple@vodafone.de>
Wed, 7 Mar 2012 10:28:57 +0000 (11:28 +0100)
committerDave Airlie <airlied@redhat.com>
Wed, 7 Mar 2012 14:07:29 +0000 (14:07 +0000)
commit0be70439f2dcf4a2048e4b02f23f2c239b35a110
treedf0e58ec744a8dfd76b143cfbbb8db7691cb2158
parentdac12d1f5ef228e132c2457dc214e0703533b016
drm/radeon: fix a semaphore deadlock on pre cayman asics

The out of order execution of semaphore commands on
pre cayman asics doesn't work correctly and can
cause deadlocks, so turn it off for now.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/r600d.h