drm/rcar: Nuke preclose hook

Again since the drm core takes care of event unlinking/disarming this
is now just needless code.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453756616-28942-10-git-send-email-daniel.vetter@ffwll.ch

3 files changed, 0 insertions, 32 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index 88a4b706be16..4ec80ae1fa99 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -282,26 +282,6 @@ static void rcar_du_crtc_update_planes(struct rcar_du_crtc *rcrtc)
  * Page Flip
  */
 
-void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc,
-                                   struct drm_file *file)
-{
-        struct drm_pending_vblank_event *event;
-        struct drm_device *dev = rcrtc->crtc.dev;
-        unsigned long flags;
-
-        /* Destroy the pending vertical blanking event associated with the
-         * pending page flip, if any, and disable vertical blanking interrupts.
-         */
-        spin_lock_irqsave(&dev->event_lock, flags);
-        event = rcrtc->event;
-        if (event && event->base.file_priv == file) {
-                rcrtc->event = NULL;
-                event->base.destroy(&event->base);
-                drm_crtc_vblank_put(&rcrtc->crtc);
-        }
-        spin_unlock_irqrestore(&dev->event_lock, flags);
-}
-
 static void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc)
 {
         struct drm_pending_vblank_event *event;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
index 4b95d9d08c49..2bbe3f5aab65 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
@@ -67,8 +67,6 @@ enum rcar_du_output {
 
 int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index);
 void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable);
-void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc,
-                                   struct drm_file *file);
 void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
 void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
 
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 40422f6b645e..0bb2b31555bf 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -220,15 +220,6 @@ done:
         return ret;
 }
 
-static void rcar_du_preclose(struct drm_device *dev, struct drm_file *file)
-{
-        struct rcar_du_device *rcdu = dev->dev_private;
-        unsigned int i;
-
-        for (i = 0; i < rcdu->num_crtcs; ++i)
-                rcar_du_crtc_cancel_page_flip(&rcdu->crtcs[i], file);
-}
-
 static void rcar_du_lastclose(struct drm_device *dev)
 {
         struct rcar_du_device *rcdu = dev->dev_private;
@@ -271,7 +262,6 @@ static struct drm_driver rcar_du_driver = {
                                 | DRIVER_ATOMIC,
         .load                   = rcar_du_load,
         .unload                 = rcar_du_unload,
-        .preclose               = rcar_du_preclose,
         .lastclose              = rcar_du_lastclose,
         .set_busid              = drm_platform_set_busid,
         .get_vblank_counter     = drm_vblank_no_hw_counter,