[PATCH 16/20] drm/armada: move the locking for armada_drm_vbl_event_remove()

[Russell King]

Move the locking for armada_drm_vbl_event_remove() into itself, which
makes this function symmetrical with armada_drm_vbl_event_add().

Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
 drivers/gpu/drm/armada/armada_crtc.c    | 2 ++
 drivers/gpu/drm/armada/armada_overlay.c | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/armada/armada_crtc.c 
b/drivers/gpu/drm/armada/armada_crtc.c
index 89decc5bdcd4..e3e6f81593c0 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -211,10 +211,12 @@ void armada_drm_vbl_event_add(struct armada_crtc *dcrtc,
 void armada_drm_vbl_event_remove(struct armada_crtc *dcrtc,
        struct armada_vbl_event *evt)
 {
+       spin_lock_irq(&dcrtc->irq_lock);
        if (!list_empty(&evt->node)) {
                list_del_init(&evt->node);
                drm_vblank_put(dcrtc->crtc.dev, dcrtc->num);
        }
+       spin_unlock_irq(&dcrtc->irq_lock);
 }

 static void armada_drm_vbl_event_run(struct armada_crtc *dcrtc)
diff --git a/drivers/gpu/drm/armada/armada_overlay.c 
b/drivers/gpu/drm/armada/armada_overlay.c
index e7e020d4372a..6ec42eb85981 100644
--- a/drivers/gpu/drm/armada/armada_overlay.c
+++ b/drivers/gpu/drm/armada/armada_overlay.c
@@ -273,9 +273,7 @@ static int armada_ovl_plane_disable(struct drm_plane *plane)
        dcrtc = drm_to_armada_crtc(dplane->base.base.crtc);
        dcrtc->plane = NULL;

-       spin_lock_irq(&dcrtc->irq_lock);
        armada_drm_vbl_event_remove(dcrtc, &dplane->vbl.update);
-       spin_unlock_irq(&dcrtc->irq_lock);

        dplane->ctrl0 = 0;

-- 
2.1.0