diff options
| author | Imre Deak <imre.deak@intel.com> | 2012-11-02 13:30:47 +0200 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2012-11-29 03:30:33 -0800 |
| commit | 85473328bac6170aabb5e13d2542d11d1fc4cc76 (patch) | |
| tree | 55e1929abe76b57616019638b31cab4f6d15f622 /drivers/gpu/drm/exynos/exynos_drm_crtc.c | |
| parent | fdd66e06ce71cdcdb515ef355d4f2fc90e151503 (diff) | |
drm/exynos: hold event_lock while accessing pageflip_event_list
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index fce245f64c4f..2efa4b031d73 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; } |