diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 0643774..867672e 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -38,6 +38,9 @@
 	irqreturn_t (*irq)(struct msm_kms *kms);
 	int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
 	void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
+	/* modeset, bracketing atomic_commit(): */
+	void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
+	void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
 	/* misc: */
 	const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
 	long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,