/* should always can generate irq */
I915_WRITE(DEIIR, I915_READ(DEIIR));
I915_WRITE(DEIMR, dev_priv->irq_mask);
- I915_WRITE(DEIER, display_mask | DE_PIPEA_VBLANK | DE_PIPEB_VBLANK);
+ I915_WRITE(DEIER, display_mask |
+ DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | DE_PCU_EVENT);
POSTING_READ(DEIER);
dev_priv->gt_irq_mask = ~0;
ibx_irq_postinstall(dev);
if (IS_IRONLAKE_M(dev)) {
- /* Clear & enable PCU event interrupts */
- I915_WRITE(DEIIR, DE_PCU_EVENT);
- I915_WRITE(DEIER, I915_READ(DEIER) | DE_PCU_EVENT);
-
- /* spinlocking not required here for correctness since interrupt
+ /* Enable PCU event interrupts
+ *
+ * spinlocking not required here for correctness since interrupt
* setup is guaranteed to run in single-threaded context. But we
* need it to make the assert_spin_locked happy. */
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);