During the context execution tests, we issue a lot of work and discard a
lot of objects without releasing the lock and allowing the background
reaper to free those objects. Insert a small break between each pass to
flush the worker.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index a23c6df9b9f4..91d13f019265 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -562,6 +562,8 @@ static int igt_ctx_exec(void *arg)
mock_file_free(i915, file);
if (err)
return err;
+
+ i915_gem_drain_freed_objects(i915);
}
return 0;
@@ -672,6 +674,10 @@ static int igt_shared_ctx_exec(void *arg)
dw += rem;
}
+
+ mutex_unlock(&i915->drm.struct_mutex);
+ i915_gem_drain_freed_objects(i915);
+ mutex_lock(&i915->drm.struct_mutex);
}
out_test:
if (igt_live_test_end(&t))
--
2.20.1
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