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Commit 79277994 authored by Rahul Sharma's avatar Rahul Sharma Committed by Gerrit - the friendly Code Review server
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drm/msm: remove the right vlbank event from the event list 



This changes fixes an issue with vblank event list corruption.
we should only remove the event corresponding to a crtc from list
for which the thread was queued.

Change-Id: I9b9cef9073ba4cc377a85e21a7257d36e9b92388
Signed-off-by: default avatarRahul Sharma <sharah@codeaurora.org>
parent fec05057

drivers/gpu/drm/msm/msm_drv.c

+5 −0
Original line number Diff line number Diff line
@@ -185,9 +185,14 @@ static void vblank_ctrl_worker(struct kthread_work *work) 
	struct msm_kms *kms = priv->kms;

	struct vblank_event *vbl_ev, *tmp;

	unsigned long flags;

	struct kthread_worker *worker = work->worker;

	struct msm_drm_commit *commit = container_of(worker,

						struct msm_drm_commit, worker);



	spin_lock_irqsave(&vbl_ctrl->lock, flags);

	list_for_each_entry_safe(vbl_ev, tmp, &vbl_ctrl->event_list, node) {

		if (vbl_ev->crtc_id != commit->crtc_id)

			continue;

		list_del(&vbl_ev->node);

		spin_unlock_irqrestore(&vbl_ctrl->lock, flags);