[Intel-gfx] [PATCH] fix interrupt request miss problem in bsd ring for g4x

[Feng, Boqun]

Signed-off-by: Feng, Boqun <boqun.f...@intel.com>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c |   30 ++++++++++++++++++++++++------
 1 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c 
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e9e6f71..6606ca7 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -609,8 +609,12 @@ ring_get_irq(struct intel_ring_buffer *ring, u32 flag)
               return false;
 
        spin_lock(&ring->irq_lock);
-       if (ring->irq_refcount++ == 0)
-               ironlake_enable_irq(dev_priv, flag);
+       if (ring->irq_refcount++ == 0) {
+        if (HAS_PCH_SPLIT(dev))
+                   ironlake_enable_irq(dev_priv, flag);
+        else
+            i915_enable_irq(dev_priv, flag);
+    }
        spin_unlock(&ring->irq_lock);
 
        return true;
@@ -623,8 +627,12 @@ ring_put_irq(struct intel_ring_buffer *ring, u32 flag)
        drm_i915_private_t *dev_priv = dev->dev_private;
 
        spin_lock(&ring->irq_lock);
-       if (--ring->irq_refcount == 0)
-               ironlake_disable_irq(dev_priv, flag);
+       if (--ring->irq_refcount == 0) {
+        if (HAS_PCH_SPLIT(dev))
+                   ironlake_disable_irq(dev_priv, flag);
+        else
+            i915_disable_irq(dev_priv, flag);
+    }
        spin_unlock(&ring->irq_lock);
 }
 
@@ -666,12 +674,22 @@ gen6_ring_put_irq(struct intel_ring_buffer *ring, u32 
gflag, u32 rflag)
 static bool
 bsd_ring_get_irq(struct intel_ring_buffer *ring)
 {
-       return ring_get_irq(ring, GT_BSD_USER_INTERRUPT);
+       struct drm_device *dev = ring->dev;
+
+    if (HAS_PCH_SPLIT(dev))
+           return ring_get_irq(ring, GT_BSD_USER_INTERRUPT);
+    else
+        return ring_get_irq(ring, I915_BSD_USER_INTERRUPT);
 }
 static void
 bsd_ring_put_irq(struct intel_ring_buffer *ring)
 {
-       ring_put_irq(ring, GT_BSD_USER_INTERRUPT);
+       struct drm_device *dev = ring->dev;
+    
+    if (HAS_PCH_SPLIT(dev))
+           ring_put_irq(ring, GT_BSD_USER_INTERRUPT);
+    else
+        ring_put_irq(ring, I915_BSD_USER_INTERRUPT);
 }
 
 static int
-- 
1.7.3.2

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