drm/radeon: fix wait in radeon_mn_invalidate_range_start

We need to wait for all fences, not just the exclusive one.

Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_mn.c b/drivers/gpu/drm/radeon/radeon_mn.c
index a69bd441dd2d..572b4dbec186 100644
--- a/drivers/gpu/drm/radeon/radeon_mn.c
+++ b/drivers/gpu/drm/radeon/radeon_mn.c
@@ -122,7 +122,6 @@ static void radeon_mn_invalidate_range_start(struct mmu_notifier *mn,
         it = interval_tree_iter_first(&rmn->objects, start, end);
         while (it) {
                 struct radeon_bo *bo;
-                struct fence *fence;
                 int r;
 
                 bo = container_of(it, struct radeon_bo, mn_it);
@@ -134,12 +133,10 @@ static void radeon_mn_invalidate_range_start(struct mmu_notifier *mn,
                         continue;
                 }
 
-                fence = reservation_object_get_excl(bo->tbo.resv);
-                if (fence) {
-                        r = radeon_fence_wait((struct radeon_fence *)fence, false);
-                        if (r)
-                                DRM_ERROR("(%d) failed to wait for user bo\n", r);
-                }
+                r = reservation_object_wait_timeout_rcu(bo->tbo.resv, true,
+                        false, MAX_SCHEDULE_TIMEOUT);
+                if (r)
+                        DRM_ERROR("(%d) failed to wait for user bo\n", r);
 
                 radeon_ttm_placement_from_domain(bo, RADEON_GEM_DOMAIN_CPU);
                 r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);