[PATCH 1/5] Revert "drm/mediatek: Clear pending flag when cmdq packet is done"

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This reverts commit 9efb16c2fdd647d3888fd8dae84509f485cd554e.

Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:

WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0

So revert that patch and all the patches depend on that patch.

Reported-by: Enric Balletbo Serra <eballetbo@xxxxxxxxx>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 47 +++----------------------
 1 file changed, 5 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 5f81489fc60c..9840b8d035dc 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -267,36 +267,6 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
 {
 	struct mtk_drm_crtc *mtk_crtc = container_of(cl, struct mtk_drm_crtc, cmdq_cl);
 	struct cmdq_cb_data *data = mssg;
-	struct mtk_crtc_state *state;
-	unsigned int i;
-
-	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;
 	mtk_drm_cmdq_pkt_destroy(mtk_crtc->cmdq_chan, data->pkt);
@@ -453,8 +423,7 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
 				    state->pending_vrefresh, 0,
 				    cmdq_handle);
 
-		if (!cmdq_handle)
-			state->pending_config = false;
+		state->pending_config = false;
 	}
 
 	if (mtk_crtc->pending_planes) {
@@ -474,12 +443,9 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
 				mtk_ddp_comp_layer_config(comp, local_layer,
 							  plane_state,
 							  cmdq_handle);
-			if (!cmdq_handle)
-				plane_state->pending.config = false;
+			plane_state->pending.config = false;
 		}
-
-		if (!cmdq_handle)
-			mtk_crtc->pending_planes = false;
+		mtk_crtc->pending_planes = false;
 	}
 
 	if (mtk_crtc->pending_async_planes) {
@@ -499,12 +465,9 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
 				mtk_ddp_comp_layer_config(comp, local_layer,
 							  plane_state,
 							  cmdq_handle);
-			if (!cmdq_handle)
-				plane_state->pending.async_config = false;
+			plane_state->pending.async_config = false;
 		}
-
-		if (!cmdq_handle)
-			mtk_crtc->pending_async_planes = false;
+		mtk_crtc->pending_async_planes = false;
 	}
 }
 
-- 
2.25.1




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