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path: root/drivers/gpu/drm/i915/selftests
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Diffstat (limited to 'drivers/gpu/drm/i915/selftests')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_gtt.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index a28ee0cc6a63..9578652fba24 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -32,6 +32,20 @@
#include "mock_drm.h"
#include "mock_gem_device.h"
+static void cleanup_freed_objects(struct drm_i915_private *i915)
+{
+ /*
+ * As we may hold onto the struct_mutex for inordinate lengths of
+ * time, the NMI khungtaskd detector may fire for the free objects
+ * worker.
+ */
+ mutex_unlock(&i915->drm.struct_mutex);
+
+ i915_gem_drain_freed_objects(i915);
+
+ mutex_lock(&i915->drm.struct_mutex);
+}
+
static void fake_free_pages(struct drm_i915_gem_object *obj,
struct sg_table *pages)
{
@@ -291,6 +305,8 @@ static int lowlevel_hole(struct drm_i915_private *i915,
i915_gem_object_put(obj);
kfree(order);
+
+ cleanup_freed_objects(i915);
}
return 0;
@@ -519,6 +535,7 @@ static int fill_hole(struct drm_i915_private *i915,
}
close_object_list(&objects, vm);
+ cleanup_freed_objects(i915);
}
return 0;
@@ -605,6 +622,8 @@ err_put:
i915_gem_object_put(obj);
if (err)
return err;
+
+ cleanup_freed_objects(i915);
}
return 0;
@@ -789,6 +808,8 @@ err_obj:
kfree(order);
if (err)
return err;
+
+ cleanup_freed_objects(i915);
}
return 0;
@@ -857,6 +878,7 @@ static int __shrink_hole(struct drm_i915_private *i915,
}
close_object_list(&objects, vm);
+ cleanup_freed_objects(i915);
return err;
}
@@ -949,6 +971,7 @@ static int shrink_boom(struct drm_i915_private *i915,
i915_gem_object_put(explode);
memset(&vm->fault_attr, 0, sizeof(vm->fault_attr));
+ cleanup_freed_objects(i915);
}
return 0;