struct opregion_asle *asle = dev_priv->opregion.asle;
if (asle) {
- u32 pipeb_stats = I915_READ(PIPEBSTAT);
if (IS_MOBILE(dev)) {
- /* Many devices trigger events with a write to the
- legacy backlight controller, so we need to ensure
- that it's able to generate interrupts */
- I915_WRITE(PIPEBSTAT, pipeb_stats |=
- I915_LEGACY_BLC_EVENT_ENABLE);
- i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT |
- I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
- } else
- i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT);
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ i915_enable_pipestat(dev_priv, 1,
+ I915_LEGACY_BLC_EVENT_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->user_irq_lock,
+ irqflags);
+ }
asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN |
ASLE_PFMB_EN;
static struct intel_opregion *system_opregion;
-int intel_opregion_video_event(struct notifier_block *nb, unsigned long val,
- void *data)
+static int intel_opregion_video_event(struct notifier_block *nb,
+ unsigned long val, void *data)
{
/* The only video events relevant to opregion are 0x80. These indicate
either a docking event, lid switch or display switch request. In