drm/i915: wrap GEN6_PMIMR changes

Just like we're doing with the other IMR changes.

One of the functional changes is that not every caller was doing the
POSTING_READ.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 2e370804248f..7de29d40d1ad 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1062,10 +1062,8 @@ hsw_vebox_get_irq(struct intel_ring_buffer *ring)
 
         spin_lock_irqsave(&dev_priv->irq_lock, flags);
         if (ring->irq_refcount++ == 0) {
-                u32 pm_imr = I915_READ(GEN6_PMIMR);
                 I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
-                I915_WRITE(GEN6_PMIMR, pm_imr & ~ring->irq_enable_mask);
-                POSTING_READ(GEN6_PMIMR);
+                snb_enable_pm_irq(dev_priv, ring->irq_enable_mask);
         }
         spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
 
@@ -1084,10 +1082,8 @@ hsw_vebox_put_irq(struct intel_ring_buffer *ring)
 
         spin_lock_irqsave(&dev_priv->irq_lock, flags);
         if (--ring->irq_refcount == 0) {
-                u32 pm_imr = I915_READ(GEN6_PMIMR);
                 I915_WRITE_IMR(ring, ~0);
-                I915_WRITE(GEN6_PMIMR, pm_imr | ring->irq_enable_mask);
-                POSTING_READ(GEN6_PMIMR);
+                snb_disable_pm_irq(dev_priv, ring->irq_enable_mask);
         }
         spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
 }