[Intel-gfx] [PATCH] drm/i915: Rebalance runtime pm vs forcewake

[Chris Wilson]

---
 drivers/gpu/drm/i915/i915_drv.c     | 2 +-
 drivers/gpu/drm/i915/intel_uncore.c | 9 ++-------
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 5a0d34c47885..3fbf8aa8d119 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -845,11 +845,11 @@ static int i915_runtime_suspend(struct device *device)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	WARN_ON(!HAS_RUNTIME_PM(dev));
-	assert_force_wake_inactive(dev_priv);
 
 	DRM_DEBUG_KMS("Suspending device\n");
 
 	i915_gem_release_all_mmaps(dev_priv);
+	intel_uncore_fini(dev);
 
 	del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
 	dev_priv->pm.suspended = true;
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index e6bb421a3dbd..527527382361 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -304,8 +304,6 @@ static void gen6_force_wake_timer(unsigned long arg)
 	if (--dev_priv->uncore.forcewake_count == 0)
 		dev_priv->uncore.funcs.force_wake_put(dev_priv, FORCEWAKE_ALL);
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
-
-	intel_runtime_pm_put(dev_priv);
 }
 
 static void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore)
@@ -439,7 +437,6 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv, int fw_engine)
 void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv, int fw_engine)
 {
 	unsigned long irqflags;
-	bool delayed = false;
 
 	if (!dev_priv->uncore.funcs.force_wake_put)
 		return;
@@ -450,19 +447,17 @@ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv, int fw_engine)
 		goto out;
 	}
 
-
 	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 	if (--dev_priv->uncore.forcewake_count == 0) {
 		dev_priv->uncore.forcewake_count++;
-		delayed = true;
 		mod_timer_pinned(&dev_priv->uncore.force_wake_timer,
 				 jiffies + 1);
 	}
+
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 
 out:
-	if (!delayed)
-		intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put(dev_priv);
 }
 
 void assert_force_wake_inactive(struct drm_i915_private *dev_priv)
-- 
1.9.0