Since the partial tiling tests are poking into the GGTT to watch the
fence registers in operation, it itself needs the device rpm wakeref in
order for the GGTT to remain accessible.

Signed-off-by: Chris Wilson <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Mika Kuoppala <[email protected]>
---
 drivers/gpu/drm/i915/selftests/i915_gem_object.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c 
b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index 1b8774a42e48..f32aa6bb79e2 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -317,6 +317,7 @@ static int igt_partial_tiling(void *arg)
        }
 
        mutex_lock(&i915->drm.struct_mutex);
+       intel_runtime_pm_get(i915);
 
        if (1) {
                IGT_TIMEOUT(end);
@@ -418,6 +419,7 @@ next_tiling: ;
        }
 
 out_unlock:
+       intel_runtime_pm_put(i915);
        mutex_unlock(&i915->drm.struct_mutex);
        i915_gem_object_unpin_pages(obj);
 out:
-- 
2.15.0

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