gistfile1.txt

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 7ddef8f..43a8344 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -277,11 +277,14 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
        u32 update_pending;
        int vpos, hpos;
 
+       printk(KERN_DEBUG "Radeon: CRTC handle flip.\n");
+
        spin_lock_irqsave(&rdev->ddev->event_lock, flags);
        work = radeon_crtc->unpin_work;
        if (work == NULL ||
            (work->fence && !radeon_fence_signaled(work->fence))) {
                spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
+               printk(KERN_DEBUG "Radeon: No fence.\n");
                return;
        }
        /* New pageflip, or just completion of a previous one? */
@@ -321,6 +324,7 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
                 */
                radeon_crtc->deferred_flip_completion = 1;
                spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
+               printk(KERN_DEBUG "Radeon: Deferred page flip.\n");
                return;
        }
 
@@ -335,6 +339,7 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
                e->event.tv_usec = now.tv_usec;
                list_add_tail(&e->base.link, &e->base.file_priv->event_list);
                wake_up_interruptible(&e->base.file_priv->event_wait);
+               printk(KERN_DEBUG "Radeon: Radeon wakeup: (Frame %u).\n", e->event.sequence);
        }
        spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);