From 605cd25b1ffa09a2f86b5c4bd120086dd5ea10a7 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Tue, 6 Aug 2013 18:57:15 -0300 Subject: drm/i915: add dev_priv->pm_irq_mask Just like irq_mask and gt_irq_mask, use it to track the status of GEN6_PMIMR so we don't need to read it again every time we call snb_update_pm_irq. Signed-off-by: Paulo Zanoni Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/i915/i915_irq.c') diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index efe3fc671e1..8872e1955c4 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -142,16 +142,17 @@ static void snb_update_pm_irq(struct drm_i915_private *dev_priv, uint32_t interrupt_mask, uint32_t enabled_irq_mask) { - uint32_t pmimr, new_val; + uint32_t new_val; assert_spin_locked(&dev_priv->irq_lock); - pmimr = new_val = I915_READ(GEN6_PMIMR); + new_val = dev_priv->pm_irq_mask; new_val &= ~interrupt_mask; new_val |= (~enabled_irq_mask & interrupt_mask); - if (new_val != pmimr) { - I915_WRITE(GEN6_PMIMR, new_val); + if (new_val != dev_priv->pm_irq_mask) { + dev_priv->pm_irq_mask = new_val; + I915_WRITE(GEN6_PMIMR, dev_priv->pm_irq_mask); POSTING_READ(GEN6_PMIMR); } } @@ -2217,8 +2218,9 @@ static void gen5_gt_irq_postinstall(struct drm_device *dev) if (HAS_VEBOX(dev)) pm_irqs |= PM_VEBOX_USER_INTERRUPT; + dev_priv->pm_irq_mask = 0xffffffff; I915_WRITE(GEN6_PMIIR, I915_READ(GEN6_PMIIR)); - I915_WRITE(GEN6_PMIMR, 0xffffffff); + I915_WRITE(GEN6_PMIMR, dev_priv->pm_irq_mask); I915_WRITE(GEN6_PMIER, pm_irqs); POSTING_READ(GEN6_PMIER); } -- cgit v1.2.3