Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index fce245f..2efa4b0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -236,16 +236,21 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
goto out;
}
+ spin_lock_irq(&dev->event_lock);
list_add_tail(&event->base.link,
&dev_priv->pageflip_event_list);
+ spin_unlock_irq(&dev->event_lock);
crtc->fb = fb;
ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y,
NULL);
if (ret) {
crtc->fb = old_fb;
+
+ spin_lock_irq(&dev->event_lock);
drm_vblank_put(dev, exynos_crtc->pipe);
list_del(&event->base.link);
+ spin_unlock_irq(&dev->event_lock);
goto out;
}
--
1.7.9.5
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