[Intel-gfx] [PATCH 03/15] drm: Nuke vblank event file cleanup code

Daniel Vetter daniel.vetter at ffwll.ch
Mon Jan 25 13:16:44 PST 2016

The core code now takes care of unlinking drm_events from the file in
a generic way, so this code isn't needed any more.

For those wondering where the drm_vblank_put went to: With the new
logic events only get unlinked, but still exist. Hence any resources
(like vblank counters) don't need to be released since the event user
will still process the event normally. In this case this is the
callsites of send_vblank_event, which of course already have a

Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Acked-by: Daniel Stone <daniels at collabora.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452548477-15905-11-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
 drivers/gpu/drm/drm_fops.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index afe8c53e5aad..aeef58ed359b 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -354,19 +354,10 @@ static void drm_events_release(struct drm_file *file_priv)
 	struct drm_device *dev = file_priv->minor->dev;
 	struct drm_pending_event *e, *et;
-	struct drm_pending_vblank_event *v, *vt;
 	unsigned long flags;
 	spin_lock_irqsave(&dev->event_lock, flags);
-	/* Remove pending flips */
-	list_for_each_entry_safe(v, vt, &dev->vblank_event_list, base.link)
-		if (v->base.file_priv == file_priv) {
-			list_del(&v->base.link);
-			drm_vblank_put(dev, v->pipe);
-			v->base.destroy(&v->base);
-		}
 	/* Unlink pending events */
 	list_for_each_entry_safe(e, et, &file_priv->pending_event_list,
 				 pending_link) {

More information about the Intel-gfx mailing list