1 files changed, 18 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 0887581fa650..ce337be4bbcd 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -157,6 +157,20 @@ i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
 }
 
 /**
+ * intel_enable_asle - enable ASLE interrupt for OpRegion
+ */
+void intel_enable_asle (struct drm_device *dev)
+{
+        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+        if (IS_IGDNG(dev))
+                igdng_enable_display_irq(dev_priv, DE_GSE);
+        else
+                i915_enable_pipestat(dev_priv, 1,
+                                     I915_LEGACY_BLC_EVENT_ENABLE);
+}
+
+/**
  * i915_pipe_enabled - check if a pipe is enabled
  * @dev: DRM device
  * @pipe: pipe to check
@@ -288,6 +302,9 @@ irqreturn_t igdng_irq_handler(struct drm_device *dev)
                         DRM_WAKEUP(&dev_priv->irq_queue);
                 }
 
+                if (de_iir & DE_GSE)
+                        ironlake_opregion_gse_intr(dev);
+
                 de_iir = new_de_iir;
                 gt_iir = new_gt_iir;
         }
@@ -992,7 +1009,7 @@ static int igdng_irq_postinstall(struct drm_device *dev)
 {
         drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
         /* enable kind of interrupts always enabled */
-        u32 display_mask = DE_MASTER_IRQ_CONTROL /*| DE_PCH_EVENT */;
+        u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE /*| DE_PCH_EVENT */;
         u32 render_mask = GT_USER_INTERRUPT;
 
         dev_priv->irq_mask_reg = ~display_mask;