drm: remove legacy drm_arm_vblank_event()

We don't have any user of this function anymore, let's remove it.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465308482-15104-3-git-send-email-gustavo@padovan.org

drivers/gpu/drm/drm_irq.c

@@ -1001,10 +1001,9 @@ static void send_vblank_event(struct drm_device *dev,
 }
 
 /**
- * drm_arm_vblank_event - arm vblank event after pageflip
- * @dev: DRM device
- * @pipe: CRTC index
- * @e: the event to prepare to send
+ * drm_crtc_arm_vblank_event - arm vblank event after pageflip
+ * @crtc: the source CRTC of the vblank event
+ * @e: the event to send
  *
  * A lot of drivers need to generate vblank events for the very next vblank
  * interrupt. For example when the page flip interrupt happens when the page
@@ -1014,41 +1013,19 @@ static void send_vblank_event(struct drm_device *dev,
  *
  * Caller must hold event lock. Caller must also hold a vblank reference for
  * the event @e, which will be dropped when the next vblank arrives.
- *
- * This is the legacy version of drm_crtc_arm_vblank_event().
  */
-void drm_arm_vblank_event(struct drm_device *dev, unsigned int pipe,
+void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
 			       struct drm_pending_vblank_event *e)
 {
+	struct drm_device *dev = crtc->dev;
+	unsigned int pipe = drm_crtc_index(crtc);
+
 	assert_spin_locked(&dev->event_lock);
 
 	e->pipe = pipe;
 	e->event.sequence = drm_vblank_count(dev, pipe);
 	list_add_tail(&e->base.link, &dev->vblank_event_list);
 }
-EXPORT_SYMBOL(drm_arm_vblank_event);
-
-/**
- * drm_crtc_arm_vblank_event - arm vblank event after pageflip
- * @crtc: the source CRTC of the vblank event
- * @e: the event to send
- *
- * A lot of drivers need to generate vblank events for the very next vblank
- * interrupt. For example when the page flip interrupt happens when the page
- * flip gets armed, but not when it actually executes within the next vblank
- * period. This helper function implements exactly the required vblank arming
- * behaviour.
- *
- * Caller must hold event lock. Caller must also hold a vblank reference for
- * the event @e, which will be dropped when the next vblank arrives.
- *
- * This is the native KMS version of drm_arm_vblank_event().
- */
-void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
-			       struct drm_pending_vblank_event *e)
-{
-	drm_arm_vblank_event(crtc->dev, drm_crtc_index(crtc), e);
-}
 EXPORT_SYMBOL(drm_crtc_arm_vblank_event);
 
 /**

include/drm/drmP.h

@@ -971,8 +971,6 @@ extern u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc,
 					  struct timeval *vblanktime);
 extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc,
 				       struct drm_pending_vblank_event *e);
-extern void drm_arm_vblank_event(struct drm_device *dev, unsigned int pipe,
-				 struct drm_pending_vblank_event *e);
 extern void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
 				      struct drm_pending_vblank_event *e);
 extern bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe);