Patch "drm/rcar: Nuke preclose hook" has been added to the 4.4-stable tree

Patch "drm/rcar: Nuke preclose hook" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/rcar: Nuke preclose hook

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-rcar-nuke-preclose-hook.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 0a346629f5304a8390004a91e8d4f1206b87792b Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon, 25 Jan 2016 22:16:51 +0100
Subject: drm/rcar: Nuke preclose hook

From: Daniel Vetter <daniel.vetter@ffwll.ch>

commit 0a346629f5304a8390004a91e8d4f1206b87792b upstream.

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
Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/rcar-du/rcar_du_crtc.c |   20 --------------------
 drivers/gpu/drm/rcar-du/rcar_du_crtc.h |    2 --
 drivers/gpu/drm/rcar-du/rcar_du_drv.c  |   10 ----------
 3 files changed, 32 deletions(-)

--- 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(s
  * 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;
--- 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);
 
--- 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,


Patches currently in stable-queue which might be from daniel.vetter@ffwll.ch are

queue-4.4/drm-rcar-nuke-preclose-hook.patch
queue-4.4/drm-rcar-du-perform-initialization-cleanup-at-probe-remove-time.patch