Lets see if we can find who is still running after the driver has been
removed!

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c 
b/drivers/gpu/drm/i915/display/intel_display_power.c
index 433e5a81dd4d..9d18b24730b2 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -2282,6 +2282,7 @@ intel_display_power_flush_work_sync(struct 
drm_i915_private *i915)
 
        intel_display_power_flush_work(i915);
        cancel_delayed_work_sync(&power_domains->async_put_work);
+       memset(&power_domains->async_put_work, POISON_FREE, 
sizeof(power_domains->async_put_work));
 
        verify_async_put_domains_state(power_domains);
 
-- 
2.20.1

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