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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: Benjamin Gaignard <benjamin.gaignard@linaro.org>
This commit is contained in:
Benjamin Gaignard 2014-12-04 12:42:37 +01:00
parent a51fe84d1d
commit eb929dc4d3
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/sti/sti_drm_crtc.c
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@ -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);