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From 80b4b4a703d6e4fb966e5c6a7c74a06001bf7d19 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@chromium.org>
Date: Thu, 29 Aug 2019 09:45:13 -0700
Subject: drm/msm: convert kms->complete_commit() to crtc_mask
Git-commit: 80b4b4a703d6e4fb966e5c6a7c74a06001bf7d19
Patch-mainline: v5.4-rc1
References: bsc#1152489

Prep work for async commits, in which case this will be called after we
no longer have the atomic state object.

This drops some wait_for_vblanks(), but those should be unnecessary, as
we call this after waiting for flush to complete.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Sean Paul <sean@poorly.run>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c |  7 +------
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h |  4 +---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c  | 20 ++++----------------
 drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c |  8 ++------
 drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c |  4 +---
 drivers/gpu/drm/msm/msm_atomic.c         |  2 +-
 drivers/gpu/drm/msm/msm_kms.h            |  2 +-
 7 files changed, 11 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 4b777492b729..55f7fa2000af 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -391,13 +391,8 @@ static void dpu_crtc_frame_event_cb(void *data, u32 event)
 	kthread_queue_work(&priv->event_thread[crtc_id].worker, &fevent->work);
 }
 
-void dpu_crtc_complete_commit(struct drm_crtc *crtc,
-		struct drm_crtc_state *old_state)
+void dpu_crtc_complete_commit(struct drm_crtc *crtc)
 {
-	if (!crtc || !crtc->state) {
-		DPU_ERROR("invalid crtc\n");
-		return;
-	}
 	trace_dpu_crtc_complete_commit(DRMID(crtc));
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
index 10f78459f6c2..5174e86124cc 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
@@ -244,10 +244,8 @@ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc);
 /**
  * dpu_crtc_complete_commit - callback signalling completion of current commit
  * @crtc: Pointer to drm crtc object
- * @old_state: Pointer to drm crtc old state object
  */
-void dpu_crtc_complete_commit(struct drm_crtc *crtc,
-		struct drm_crtc_state *old_state);
+void dpu_crtc_complete_commit(struct drm_crtc *crtc);
 
 /**
  * dpu_crtc_init - create a new crtc object
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 49c9c8cf2991..23566b1aac87 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -322,27 +322,15 @@ static void dpu_kms_commit(struct msm_kms *kms, struct drm_atomic_state *state)
 	}
 }
 
-static void dpu_kms_complete_commit(struct msm_kms *kms,
-		struct drm_atomic_state *old_state)
+static void dpu_kms_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
 {
-	struct dpu_kms *dpu_kms;
-	struct msm_drm_private *priv;
+	struct dpu_kms *dpu_kms = to_dpu_kms(kms);
 	struct drm_crtc *crtc;
-	struct drm_crtc_state *old_crtc_state;
-	int i;
-
-	if (!kms || !old_state)
-		return;
-	dpu_kms = to_dpu_kms(kms);
-
-	if (!dpu_kms->dev || !dpu_kms->dev->dev_private)
-		return;
-	priv = dpu_kms->dev->dev_private;
 
 	DPU_ATRACE_BEGIN("kms_complete_commit");
 
-	for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i)
-		dpu_crtc_complete_commit(crtc, old_crtc_state);
+	for_each_crtc_mask(dpu_kms->dev, crtc, crtc_mask)
+		dpu_crtc_complete_commit(crtc);
 
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 83e49fdf0816..8c6622fb373b 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -119,17 +119,13 @@ static void mdp4_wait_flush(struct msm_kms *kms, unsigned crtc_mask)
 		mdp4_crtc_wait_for_commit_done(crtc);
 }
 
-static void mdp4_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state)
+static void mdp4_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
 {
 	struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
-	int i;
 	struct drm_crtc *crtc;
-	struct drm_crtc_state *crtc_state;
-
-	drm_atomic_helper_wait_for_vblanks(mdp4_kms->dev, state);
 
 	/* see 119ecb7fd */
-	for_each_new_crtc_in_state(state, crtc, crtc_state, i)
+	for_each_crtc_mask(mdp4_kms->dev, crtc, crtc_mask)
 		drm_crtc_vblank_put(crtc);
 
 	mdp4_disable(mdp4_kms);
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index eec220f22445..7be28f14f93b 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -169,14 +169,12 @@ static void mdp5_wait_flush(struct msm_kms *kms, unsigned crtc_mask)
 		mdp5_crtc_wait_for_commit_done(crtc);
 }
 
-static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state)
+static void mdp5_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
 {
 	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
 	struct device *dev = &mdp5_kms->pdev->dev;
 	struct mdp5_global_state *global_state;
 
-	drm_atomic_helper_wait_for_vblanks(mdp5_kms->dev, state);
-
 	global_state = mdp5_get_existing_global_state(mdp5_kms);
 
 	if (mdp5_kms->smp)
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 4c349c9d98a8..1717f430bfb4 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -63,7 +63,7 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
 	}
 
 	kms->funcs->wait_flush(kms, crtc_mask);
-	kms->funcs->complete_commit(kms, state);
+	kms->funcs->complete_commit(kms, crtc_mask);
 
 	drm_atomic_helper_commit_hw_done(state);
 
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index a112dfb36301..10dd171b43f8 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -33,7 +33,7 @@ struct msm_kms_funcs {
 	/* 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);
+	void (*complete_commit)(struct msm_kms *kms, unsigned crtc_mask);
 	void (*wait_flush)(struct msm_kms *kms, unsigned crtc_mask);
 
 	/* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */
-- 
2.28.0