drm/radeon: silence out possible lock dependency warning

Silence out the lock dependency warning by moving bo allocation out
of ib mutex protected section. Might lead to useless temporary
allocation but it's not harmful as such things only happen at
initialization.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 11 insertions, 8 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index e8bc70933d1b..1cb4b941be47 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -204,22 +204,25 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib)
 
 int radeon_ib_pool_init(struct radeon_device *rdev)
 {
+        struct radeon_sa_manager tmp;
         int i, r;
 
-        mutex_lock(&rdev->ib_pool.mutex);
-        if (rdev->ib_pool.ready) {
-                mutex_unlock(&rdev->ib_pool.mutex);
-                return 0;
-        }
-
-        r = radeon_sa_bo_manager_init(rdev, &rdev->ib_pool.sa_manager,
+        r = radeon_sa_bo_manager_init(rdev, &tmp,
                                       RADEON_IB_POOL_SIZE*64*1024,
                                       RADEON_GEM_DOMAIN_GTT);
         if (r) {
-                mutex_unlock(&rdev->ib_pool.mutex);
                 return r;
         }
 
+        mutex_lock(&rdev->ib_pool.mutex);
+        if (rdev->ib_pool.ready) {
+                mutex_unlock(&rdev->ib_pool.mutex);
+                radeon_sa_bo_manager_fini(rdev, &tmp);
+                return 0;
+        }
+
+        rdev->ib_pool.sa_manager = tmp;
+        INIT_LIST_HEAD(&rdev->ib_pool.sa_manager.sa_bo);
         for (i = 0; i < RADEON_IB_POOL_SIZE; i++) {
                 rdev->ib_pool.ibs[i].fence = NULL;
                 rdev->ib_pool.ibs[i].idx = i;