Signed-off-by: Imre Deak imre.deak@intel.com --- 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; }