drm/radeon: remove taking mclk_lock from radeon_bo_unref

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>
mariux64 · Aug 5, 2014 · e7e3160 · e7e3160
1 parent dfc230f
commit e7e3160
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
@@ -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;
 }