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path: root/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_userptr.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_userptr.c27
1 files changed, 1 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index a0d974ac78a7..3798502097b4 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -92,7 +92,6 @@ userptr_mn_invalidate_range_start(struct mmu_notifier *_mn,
struct i915_mmu_notifier *mn =
container_of(_mn, struct i915_mmu_notifier, mn);
struct interval_tree_node *it;
- struct mutex *unlock = NULL;
unsigned long end;
int ret = 0;
@@ -129,33 +128,13 @@ userptr_mn_invalidate_range_start(struct mmu_notifier *_mn,
}
spin_unlock(&mn->lock);
- if (!unlock) {
- unlock = &mn->mm->i915->drm.struct_mutex;
-
- switch (mutex_trylock_recursive(unlock)) {
- default:
- case MUTEX_TRYLOCK_FAILED:
- if (mutex_lock_killable_nested(unlock, I915_MM_SHRINKER)) {
- i915_gem_object_put(obj);
- return -EINTR;
- }
- /* fall through */
- case MUTEX_TRYLOCK_SUCCESS:
- break;
-
- case MUTEX_TRYLOCK_RECURSIVE:
- unlock = ERR_PTR(-EEXIST);
- break;
- }
- }
-
ret = i915_gem_object_unbind(obj,
I915_GEM_OBJECT_UNBIND_ACTIVE);
if (ret == 0)
ret = __i915_gem_object_put_pages(obj, I915_MM_SHRINKER);
i915_gem_object_put(obj);
if (ret)
- goto unlock;
+ return ret;
spin_lock(&mn->lock);
@@ -168,10 +147,6 @@ userptr_mn_invalidate_range_start(struct mmu_notifier *_mn,
}
spin_unlock(&mn->lock);
-unlock:
- if (!IS_ERR_OR_NULL(unlock))
- mutex_unlock(unlock);
-
return ret;
}