diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5d5bb8ce0fb4..b7e096008a9f 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2522,6 +2522,11 @@ static void ivybridge_irq_preinstall(struct drm_device *dev) I915_WRITE(GTIER, 0x0); POSTING_READ(GTIER); + /* Power management */ + I915_WRITE(GEN6_PMIMR, 0xffffffff); + I915_WRITE(GEN6_PMIER, 0x0); + POSTING_READ(GEN6_PMIER); + if (HAS_PCH_NOP(dev)) return; @@ -2710,6 +2715,11 @@ static int ivybridge_irq_postinstall(struct drm_device *dev) I915_WRITE(GTIER, render_irqs); POSTING_READ(GTIER); + /* Power management */ + I915_WRITE(GEN6_PMIMR, ~GEN6_PM_DEFERRED_EVENTS); + I915_WRITE(GEN6_PMIER, GEN6_PM_DEFERRED_EVENTS); + POSTING_READ(GEN6_PMIMR); + ibx_irq_postinstall(dev); return 0; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index b676b578f70f..b1d0d0366fdf 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3309,7 +3309,9 @@ static void gen6_enable_rps(struct drm_device *dev) /* requires MSI enabled */ I915_WRITE(GEN6_PMIER, GEN6_PM_DEFERRED_EVENTS); spin_lock_irq(&dev_priv->rps.lock); - WARN_ON(dev_priv->rps.pm_iir != 0); + /* FIXME: Our interrupt enabling sequence is bonghits. + * dev_priv->rps.pm_iir really should be 0 here. */ + dev_priv->rps.pm_iir = 0; I915_WRITE(GEN6_PMIMR, 0); spin_unlock_irq(&dev_priv->rps.lock); /* enable all PM interrupts */ |