Stop use event_lock in vblank disable function.
This was creating a dead lock.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
---
drivers/gpu/drm/sti/sti_drm_crtc.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.c b/drivers/gpu/drm/sti/sti_drm_crtc.c
index e1e5550..f527997 100644
--- a/drivers/gpu/drm/sti/sti_drm_crtc.c
+++ b/drivers/gpu/drm/sti/sti_drm_crtc.c
@@ -365,7 +365,6 @@ 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");
@@ -374,13 +373,10 @@ 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);
--
1.9.1
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