If the timer putting the last forcewake refcount was pending and we
canceled it, we'll leak the corresponding forcewake and RPM references.

v2:
- do the ptr casting at the caller instead of adding a separate helper
  for this (Chris)

Signed-off-by: Imre Deak <[email protected]>
---
 drivers/gpu/drm/i915/intel_uncore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c 
b/drivers/gpu/drm/i915/intel_uncore.c
index c90222d..6a73078 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -321,7 +321,8 @@ static void intel_uncore_forcewake_reset(struct drm_device 
*dev, bool restore)
        struct drm_i915_private *dev_priv = dev->dev_private;
        unsigned long irqflags;
 
-       del_timer_sync(&dev_priv->uncore.force_wake_timer);
+       if (del_timer_sync(&dev_priv->uncore.force_wake_timer))
+               gen6_force_wake_timer((unsigned long)dev_priv);
 
        /* Hold uncore.lock across reset to prevent any register access
         * with forcewake not set correctly
-- 
1.8.4

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