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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>
This commit is contained in:
Christian König 2015-03-31 17:36:58 +02:00 committed by Alex Deucher
parent 863653fed0
commit 22e2e86560
1 changed files with 4 additions and 7 deletions
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7
drivers/gpu/drm/radeon/radeon_mn.c
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@ -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);
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);