[PATCH 1/3] drm/radeon: remove taking mclk_lock from radeon_bo_unref

[Christian König]

From: Christian König <christian.koenig at amd.com>

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

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/radeon/radeon_object.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 78b74c8..9505766 100644
--- 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;
 }
-- 
1.9.1