drm/radeon: skip MC reset as it's probably not hung
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 28 Feb 2013 15:03:08 +0000 (10:03 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 7 Mar 2013 17:58:58 +0000 (12:58 -0500)
commitd808fc882928bfe3cab87dd960ca28715e461ce4
tree5fefdb74efbb7c4e235a315b8dbc453ed0110f95
parente8fc41377f5037ff7a661ea06adc05f1daec1548
drm/radeon: skip MC reset as it's probably not hung

The MC is mostly likely busy (e.g., display requests), not hung
so no need to reset it.  Doing an MC reset is tricky and not
particularly reliable.  Fixes hangs in certain cases.

Reported-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/ni.c
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/si.c