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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>
This commit is contained in:
Daniel Vetter 2012-04-11 22:12:54 +02:00
parent e367031966
commit e48d86347c
1 changed files with 44 additions and 22 deletions
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66
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -644,6 +644,35 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
POSTING_READ(IMR);
}
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)
{
@ -654,13 +683,8 @@ i9xx_ring_get_irq(struct intel_ring_buffer *ring)
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 @@ i9xx_ring_put_irq(struct intel_ring_buffer *ring)
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 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
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 @@ int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
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 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev)
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;