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path: root/drivers/gpu/drm
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-rw-r--r--drivers/gpu/drm/i915/i915_dma.c1
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h2
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c8
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c10
-rw-r--r--drivers/gpu/drm/i915/i915_trace.h1
5 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 45d507ebd3f..92aeb918e0c 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1468,6 +1468,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->user_irq_lock);
spin_lock_init(&dev_priv->error_lock);
dev_priv->user_irq_refcount = 0;
+ dev_priv->trace_irq_seqno = 0;
ret = drm_vblank_init(dev, I915_NUM_PIPE);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b24b2d145b7..6035d3dae85 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -202,6 +202,7 @@ typedef struct drm_i915_private {
spinlock_t user_irq_lock;
/** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
int user_irq_refcount;
+ u32 trace_irq_seqno;
/** Cached value of IMR to avoid reads in updating the bitfield */
u32 irq_mask_reg;
u32 pipestat[2];
@@ -665,6 +666,7 @@ extern int i915_irq_emit(struct drm_device *dev, void *data,
extern int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_user_irq_get(struct drm_device *dev);
+void i915_trace_irq_get(struct drm_device *dev, u32 seqno);
void i915_user_irq_put(struct drm_device *dev);
extern void i915_enable_interrupt (struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b5f9df230d0..abfc27b0c2e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1770,7 +1770,7 @@ i915_gem_retire_requests(struct drm_device *dev)
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t seqno;
- if (!dev_priv->hw_status_page)
+ if (!dev_priv->hw_status_page || list_empty(&dev_priv->mm.request_list))
return;
seqno = i915_get_gem_seqno(dev);
@@ -1794,6 +1794,12 @@ i915_gem_retire_requests(struct drm_device *dev)
} else
break;
}
+
+ if (unlikely (dev_priv->trace_irq_seqno &&
+ i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) {
+ i915_user_irq_put(dev);
+ dev_priv->trace_irq_seqno = 0;
+ }
}
void
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4dfeec7cdd4..c3ceffa46ea 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -725,6 +725,16 @@ void i915_user_irq_put(struct drm_device *dev)
spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
}
+void i915_trace_irq_get(struct drm_device *dev, u32 seqno)
+{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+ if (dev_priv->trace_irq_seqno == 0)
+ i915_user_irq_get(dev);
+
+ dev_priv->trace_irq_seqno = seqno;
+}
+
static int i915_wait_irq(struct drm_device * dev, int irq_nr)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 908b3c4d8cf..01840d9bc38 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -165,6 +165,7 @@ TRACE_EVENT(i915_gem_request_submit,
TP_fast_assign(
__entry->dev = dev->primary->index;
__entry->seqno = seqno;
+ i915_trace_irq_get(dev, seqno);
),
TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)