[PATCH] drm/i915: Unifiy GT powersave suspend logic

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Jesse's patch to only quiescent our rps work and Imre's fix to address
a race with runtime pm and the forcewake reference held by the used
diverging means to address the same bug: Jesse's patch uses
flush_delayed_work while (since we want to make sure rps is set up)
while Imre's used a cancel+manuel refcount adjustment.

Unify them again by simply reusing intel_suspend_gt_powersave in
intel_disable_gt_powersave.

Cc: Imre Deak <imre.deak@xxxxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/i915/intel_pm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 685b4910eb93..49122204a001 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4706,10 +4706,8 @@ void intel_disable_gt_powersave(struct drm_device *dev)
 		ironlake_disable_drps(dev);
 		ironlake_disable_rc6(dev);
 	} else if (IS_GEN6(dev) || IS_GEN7(dev) || IS_BROADWELL(dev)) {
-		if (cancel_delayed_work_sync(&dev_priv->rps.delayed_resume_work))
-			intel_runtime_pm_put(dev_priv);
+		intel_suspend_gt_powersave(dev);
 
-		cancel_work_sync(&dev_priv->rps.work);
 		mutex_lock(&dev_priv->rps.hw_lock);
 		if (IS_VALLEYVIEW(dev))
 			valleyview_disable_rps(dev);
-- 
2.0.0

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