[PATCH v3 5/5] drm/mediatek: clear pending flag when cmdq packet is done.

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From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>

In cmdq mode, packet may be flushed before it is executed, so
the pending flag should be cleared after cmdq packet is done.

Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
Signed-off-by: jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 51 ++++++++++++++++++++++---
 1 file changed, 46 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index c204fce2febe..bc3be48e6b23 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -275,8 +275,42 @@ static int mtk_drm_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *
 
 static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
 {
+	struct cmdq_cb_data *data = mssg;
 	struct cmdq_client *cmdq_cl = container_of(cl, struct cmdq_client, client);
 	struct mtk_drm_crtc *mtk_crtc = container_of(cmdq_cl, struct mtk_drm_crtc, cmdq_client);
+	struct mtk_crtc_state *state;
+	unsigned int i;
+
+	if (data->sta < 0)
+		return;
+
+	state = to_mtk_crtc_state(mtk_crtc->base.state);
+
+	state->pending_config = false;
+
+	if (mtk_crtc->pending_planes) {
+		for (i = 0; i < mtk_crtc->layer_nr; i++) {
+			struct drm_plane *plane = &mtk_crtc->planes[i];
+			struct mtk_plane_state *plane_state;
+
+			plane_state = to_mtk_plane_state(plane->state);
+
+			plane_state->pending.config = false;
+		}
+		mtk_crtc->pending_planes = false;
+	}
+
+	if (mtk_crtc->pending_async_planes) {
+		for (i = 0; i < mtk_crtc->layer_nr; i++) {
+			struct drm_plane *plane = &mtk_crtc->planes[i];
+			struct mtk_plane_state *plane_state;
+
+			plane_state = to_mtk_plane_state(plane->state);
+
+			plane_state->pending.async_config = false;
+		}
+		mtk_crtc->pending_async_planes = false;
+	}
 
 	mtk_crtc->cmdq_vblank_cnt = 0;
 }
@@ -432,7 +466,8 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
 				    state->pending_vrefresh, 0,
 				    cmdq_handle);
 
-		state->pending_config = false;
+		if (!cmdq_handle)
+			state->pending_config = false;
 	}
 
 	if (mtk_crtc->pending_planes) {
@@ -452,9 +487,12 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
 				mtk_ddp_comp_layer_config(comp, local_layer,
 							  plane_state,
 							  cmdq_handle);
-			plane_state->pending.config = false;
+			if (!cmdq_handle)
+				plane_state->pending.config = false;
 		}
-		mtk_crtc->pending_planes = false;
+
+		if (!cmdq_handle)
+			mtk_crtc->pending_planes = false;
 	}
 
 	if (mtk_crtc->pending_async_planes) {
@@ -474,9 +512,12 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
 				mtk_ddp_comp_layer_config(comp, local_layer,
 							  plane_state,
 							  cmdq_handle);
-			plane_state->pending.async_config = false;
+			if (!cmdq_handle)
+				plane_state->pending.async_config = false;
 		}
-		mtk_crtc->pending_async_planes = false;
+
+		if (!cmdq_handle)
+			mtk_crtc->pending_async_planes = false;
 	}
 }
 
-- 
2.18.0




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