From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Add a small static inline helper to grab the vblank wait queue based on
the drm_crtc.
Suggested-by: Daniel Vetter <daniel@xxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
include/drm/drmP.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 76ccaab..c294560 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1378,6 +1378,10 @@ extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode);
+static inline wait_queue_head_t *drm_crtc_vblank_waitqueue(struct drm_crtc *crtc)
+{
+ return &crtc->dev->vblank[drm_crtc_index(crtc)].queue;
+}
/* Modesetting support */
extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
--
1.8.5.5
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