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Commit eb929dc4 authored by Benjamin Gaignard's avatar Benjamin Gaignard
Browse files

drm: sti: remove event lock while disabling vblank 



Stop use event_lock in vblank disable function.
This was creating a dead lock.

Signed-off-by: default avatarBenjamin Gaignard <benjamin.gaignard@linaro.org>
parent a51fe84d

drivers/gpu/drm/sti/sti_drm_crtc.c

+0 −4
Original line number Diff line number Diff line
@@ -366,7 +366,6 @@ void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) 
	struct sti_drm_private *priv = dev->dev_private;

	struct sti_compositor *compo = priv->compo;

	struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb;

	unsigned long flags;



	DRM_DEBUG_DRIVER("\n");
@@ -375,13 +374,10 @@ void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) 
		DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");



	/* free the resources of the pending requests */

	spin_lock_irqsave(&dev->event_lock, flags);

	if (compo->mixer[crtc]->pending_event) {

		drm_vblank_put(dev, crtc);

		compo->mixer[crtc]->pending_event = NULL;

	}

	spin_unlock_irqrestore(&dev->event_lock, flags);



}

EXPORT_SYMBOL(sti_drm_crtc_disable_vblank);