[PATCH 16/21] drm/msm: Add .commit() callback to msm_kms functions

[Sean Paul]

From: Jeykumar Sankaran <jsanka at codeaurora.org>

Called right before wait_for_commit_done() to perform kickoff for
active crtcs.

Signed-off-by: Jeykumar Sankaran <jsanka at codeaurora.org>
[seanpaul split this out of the megapatch]
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 drivers/gpu/drm/msm/msm_atomic.c | 5 +++++
 drivers/gpu/drm/msm/msm_kms.h    | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index e6f1e25c60af..c1f1779c980f 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -71,6 +71,11 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
 
 	drm_atomic_helper_commit_modeset_enables(dev, state);
 
+	if (kms->funcs->commit) {
+		DRM_DEBUG_ATOMIC("triggering commit\n");
+		kms->funcs->commit(kms, state);
+	}
+
 	msm_atomic_wait_for_commit_done(dev, state);
 
 	kms->funcs->complete_commit(kms, state);
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 76c14221ffdf..761bb07cd7bf 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -42,6 +42,7 @@ struct msm_kms_funcs {
 	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 (*commit)(struct msm_kms *kms, struct drm_atomic_state *state);
 	void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
 	/* functions to wait for atomic commit completed on each CRTC */
 	void (*wait_for_crtc_commit_done)(struct msm_kms *kms,
-- 
Sean Paul, Software Engineer, Google / Chromium OS