Merge branch 'drm-tracepoints' into drm-testing

[sfrench/cifs-2.6.git] / drivers / gpu / drm / drm_irq.c

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 6353b625e099bce9178b52060108a1c6c7941791..9d3a5030b6e1dfcfbf522a783d24f14816c7b813 100644 (file)
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -34,6 +34,7 @@
  */
 
 #include "drmP.h"
+#include "drm_trace.h"
 
 #include <linux/interrupt.h>   /* For task queue support */
 #include <linux/slab.h>
@@ -590,6 +591,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe,
                return -ENOMEM;
 
        e->pipe = pipe;
+       e->base.pid = current->pid;
        e->event.base.type = DRM_EVENT_VBLANK;
        e->event.base.length = sizeof e->event;
        e->event.user_data = vblwait->request.signal;
@@ -617,6 +619,9 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe,
        DRM_DEBUG("event on vblank count %d, current %d, crtc %d\n",
                  vblwait->request.sequence, seq, pipe);
 
+       trace_drm_vblank_event_queued(current->pid, pipe,
+                                     vblwait->request.sequence);
+
        e->event.sequence = vblwait->request.sequence;
        if ((seq - vblwait->request.sequence) <= (1 << 23)) {
                e->event.tv_sec = now.tv_sec;
@@ -624,6 +629,8 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe,
                drm_vblank_put(dev, e->pipe);
                list_add_tail(&e->base.link, &e->base.file_priv->event_list);
                wake_up_interruptible(&e->base.file_priv->event_wait);
+               trace_drm_vblank_event_delivered(current->pid, pipe,
+                                                vblwait->request.sequence);
        } else {
                list_add_tail(&e->base.link, &dev->vblank_event_list);
        }
@@ -754,9 +761,13 @@ void drm_handle_vblank_events(struct drm_device *dev, int crtc)
                drm_vblank_put(dev, e->pipe);
                list_move_tail(&e->base.link, &e->base.file_priv->event_list);
                wake_up_interruptible(&e->base.file_priv->event_wait);
+               trace_drm_vblank_event_delivered(e->base.pid, e->pipe,
+                                                e->event.sequence);
        }
 
        spin_unlock_irqrestore(&dev->event_lock, flags);
+
+       trace_drm_vblank_event(crtc, seq);
 }
 
 /**