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drm/radeon: remove taking mclk_lock from radeon_bo_unref

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It's causing lockdep warnings and why should
we access the memory that is freed up?

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-07-30 21:04:55 +02:00 • committed by Alex Deucher
parent dfc230f9af
commit e7e31600d3
1 changed files with 0 additions and 2 deletions
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2
drivers/gpu/drm/radeon/radeon_object.c
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@ -245,9 +245,7 @@ void radeon_bo_unref(struct radeon_bo **bo)
return;
rdev = (*bo)->rdev;
tbo = &((*bo)->tbo);
down_read(&rdev->pm.mclk_lock);
ttm_bo_unref(&tbo);
up_read(&rdev->pm.mclk_lock);
if (tbo == NULL)
*bo = NULL;
}