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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-04 11:05:26 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-04 11:05:26 +0100 |
| commit | c0515566f3117c44b0572559bcc3cb00899b0910 (patch) | |
| tree | 3c7e36ed6e78812b9276a81d6b3a2e80788003c5 /drivers/gpu/drm/i915/i915_opregion.c | |
| parent | 4385cecf1f5866fb33fc95e2ee26a44e9b6f6be2 (diff) | |
| parent | 061e41fdb5047b1fb161e89664057835935ca1d2 (diff) | |
Merge commit 'v2.6.28-rc7' into x86/cleanups
Diffstat (limited to 'drivers/gpu/drm/i915/i915_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_opregion.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 1787a0c7e3a..13ae731a33d 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -235,17 +235,15 @@ void opregion_enable_asle(struct drm_device *dev) 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; |