drm/i915: split out the gen5 ring irq get/put functions
Now that we have sensibly split up, we can nicely get rid of that ugly
is_gen5 check.
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index a09e8aa..7e1f221 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -645,6 +645,35 @@
}
static bool
+gen5_ring_get_irq(struct intel_ring_buffer *ring)
+{
+ struct drm_device *dev = ring->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ if (!dev->irq_enabled)
+ return false;
+
+ spin_lock(&ring->irq_lock);
+ if (ring->irq_refcount++ == 0)
+ ironlake_enable_irq(dev_priv, ring->irq_enable_mask);
+ spin_unlock(&ring->irq_lock);
+
+ return true;
+}
+
+static void
+gen5_ring_put_irq(struct intel_ring_buffer *ring)
+{
+ struct drm_device *dev = ring->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ spin_lock(&ring->irq_lock);
+ if (--ring->irq_refcount == 0)
+ ironlake_disable_irq(dev_priv, ring->irq_enable_mask);
+ spin_unlock(&ring->irq_lock);
+}
+
+static bool
i9xx_ring_get_irq(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
@@ -654,13 +683,8 @@
return false;
spin_lock(&ring->irq_lock);
- if (ring->irq_refcount++ == 0) {
- if (INTEL_INFO(dev)->gen >= 5)
- ironlake_enable_irq(dev_priv,
- ring->irq_enable_mask);
- else
- i915_enable_irq(dev_priv, ring->irq_enable_mask);
- }
+ if (ring->irq_refcount++ == 0)
+ i915_enable_irq(dev_priv, ring->irq_enable_mask);
spin_unlock(&ring->irq_lock);
return true;
@@ -673,13 +697,8 @@
drm_i915_private_t *dev_priv = dev->dev_private;
spin_lock(&ring->irq_lock);
- if (--ring->irq_refcount == 0) {
- if (INTEL_INFO(dev)->gen >= 5)
- ironlake_disable_irq(dev_priv,
- ring->irq_enable_mask);
- else
- i915_disable_irq(dev_priv, ring->irq_enable_mask);
- }
+ if (--ring->irq_refcount == 0)
+ i915_disable_irq(dev_priv, ring->irq_enable_mask);
spin_unlock(&ring->irq_lock);
}
@@ -1301,8 +1320,8 @@
ring->add_request = pc_render_add_request;
ring->flush = render_ring_flush;
ring->get_seqno = pc_render_get_seqno;
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
+ ring->irq_get = gen5_ring_get_irq;
+ ring->irq_put = gen5_ring_put_irq;
ring->irq_enable_mask = GT_USER_INTERRUPT | GT_PIPE_NOTIFY;
} else {
ring->add_request = render_ring_add_request;
@@ -1342,8 +1361,8 @@
ring->add_request = pc_render_add_request;
ring->flush = render_ring_flush;
ring->get_seqno = pc_render_get_seqno;
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
+ ring->irq_get = gen5_ring_get_irq;
+ ring->irq_put = gen5_ring_put_irq;
ring->irq_enable_mask = GT_USER_INTERRUPT | GT_PIPE_NOTIFY;
} else {
ring->add_request = render_ring_add_request;
@@ -1418,12 +1437,15 @@
ring->flush = bsd_ring_flush;
ring->add_request = ring_add_request;
ring->get_seqno = ring_get_seqno;
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
- if (IS_GEN5(dev))
+ if (IS_GEN5(dev)) {
ring->irq_enable_mask = GT_BSD_USER_INTERRUPT;
- else
+ ring->irq_get = gen5_ring_get_irq;
+ ring->irq_put = gen5_ring_put_irq;
+ } else {
ring->irq_enable_mask = I915_BSD_USER_INTERRUPT;
+ ring->irq_get = i9xx_ring_get_irq;
+ ring->irq_put = i9xx_ring_put_irq;
+ }
ring->dispatch_execbuffer = ring_dispatch_execbuffer;
}
ring->init = init_ring_common;