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path: root/drivers/gpu/drm/i915
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Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index f57e5cfb162e..7e5a96535159 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -424,6 +424,31 @@ static void gen6_pm_rps_work(struct work_struct *work)
mutex_unlock(&dev_priv->dev->struct_mutex);
}
+static void gen6_queue_rps_work(struct drm_i915_private *dev_priv,
+ u32 pm_iir)
+{
+ unsigned long flags;
+
+ /*
+ * IIR bits should never already be set because IMR should
+ * prevent an interrupt from being shown in IIR. The warning
+ * displays a case where we've unsafely cleared
+ * dev_priv->pm_iir. Although missing an interrupt of the same
+ * type is not a problem, it displays a problem in the logic.
+ *
+ * The mask bit in IMR is cleared by rps_work.
+ */
+
+ spin_lock_irqsave(&dev_priv->rps_lock, flags);
+ WARN(dev_priv->pm_iir & pm_iir, "Missed a PM interrupt\n");
+ dev_priv->pm_iir |= pm_iir;
+ I915_WRITE(GEN6_PMIMR, dev_priv->pm_iir);
+ POSTING_READ(GEN6_PMIMR);
+ spin_unlock_irqrestore(&dev_priv->rps_lock, flags);
+
+ queue_work(dev_priv->wq, &dev_priv->rps_work);
+}
+
static void pch_irq_handler(struct drm_device *dev, u32 pch_iir)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -529,16 +554,8 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
pch_irq_handler(dev, pch_iir);
}
- if (pm_iir & GEN6_PM_DEFERRED_EVENTS) {
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->rps_lock, flags);
- WARN(dev_priv->pm_iir & pm_iir, "Missed a PM interrupt\n");
- dev_priv->pm_iir |= pm_iir;
- I915_WRITE(GEN6_PMIMR, dev_priv->pm_iir);
- POSTING_READ(GEN6_PMIMR);
- spin_unlock_irqrestore(&dev_priv->rps_lock, flags);
- queue_work(dev_priv->wq, &dev_priv->rps_work);
- }
+ if (pm_iir & GEN6_PM_DEFERRED_EVENTS)
+ gen6_queue_rps_work(dev_priv, pm_iir);
/* should clear PCH hotplug event before clear CPU irq */
I915_WRITE(SDEIIR, pch_iir);
@@ -634,25 +651,8 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
i915_handle_rps_change(dev);
}
- if (IS_GEN6(dev) && pm_iir & GEN6_PM_DEFERRED_EVENTS) {
- /*
- * IIR bits should never already be set because IMR should
- * prevent an interrupt from being shown in IIR. The warning
- * displays a case where we've unsafely cleared
- * dev_priv->pm_iir. Although missing an interrupt of the same
- * type is not a problem, it displays a problem in the logic.
- *
- * The mask bit in IMR is cleared by rps_work.
- */
- unsigned long flags;
- spin_lock_irqsave(&dev_priv->rps_lock, flags);
- WARN(dev_priv->pm_iir & pm_iir, "Missed a PM interrupt\n");
- dev_priv->pm_iir |= pm_iir;
- I915_WRITE(GEN6_PMIMR, dev_priv->pm_iir);
- POSTING_READ(GEN6_PMIMR);
- spin_unlock_irqrestore(&dev_priv->rps_lock, flags);
- queue_work(dev_priv->wq, &dev_priv->rps_work);
- }
+ if (IS_GEN6(dev) && pm_iir & GEN6_PM_DEFERRED_EVENTS)
+ gen6_queue_rps_work(dev_priv, pm_iir);
/* should clear PCH hotplug event before clear CPU irq */
I915_WRITE(SDEIIR, pch_iir);