drm/exynos: move finish page flip to a common place

This patch implements the exynos_drm_crtc_finish_pageflip in
exynos_drm_crtc.c. This avoids the duplication of same code
in mixer, fimd and vidi.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Stephane Marchesin <marcheu@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 99bfc38..ae09d44 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -372,34 +372,6 @@
 	.display_ops	= &vidi_display_ops,
 };
 
-static void vidi_finish_pageflip(struct drm_device *drm_dev, int crtc)
-{
-	struct exynos_drm_private *dev_priv = drm_dev->dev_private;
-	struct drm_pending_vblank_event *e, *t;
-	struct timeval now;
-	unsigned long flags;
-
-	spin_lock_irqsave(&drm_dev->event_lock, flags);
-
-	list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
-			base.link) {
-		/* if event's pipe isn't same as crtc then ignore it. */
-		if (crtc != e->pipe)
-			continue;
-
-		do_gettimeofday(&now);
-		e->event.sequence = 0;
-		e->event.tv_sec = now.tv_sec;
-		e->event.tv_usec = now.tv_usec;
-
-		list_move_tail(&e->base.link, &e->base.file_priv->event_list);
-		wake_up_interruptible(&e->base.file_priv->event_wait);
-		drm_vblank_put(drm_dev, crtc);
-	}
-
-	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
-}
-
 static void vidi_fake_vblank_handler(struct work_struct *work)
 {
 	struct vidi_context *ctx = container_of(work, struct vidi_context,
@@ -424,7 +396,7 @@
 
 	mutex_unlock(&ctx->lock);
 
-	vidi_finish_pageflip(subdrv->drm_dev, manager->pipe);
+	exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe);
 }
 
 static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)