linux-kernel - [PATCH 9/9] media: platform: mtk-mdp3: do not store struct cmdq_client in struct cmdq

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Message-Id: <20240215004931.3808-10-chunkuang.hu@kernel.org>
Date: Thu, 15 Feb 2024 00:49:31 +0000
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>
Subject: [PATCH 9/9] media: platform: mtk-mdp3: do not store struct cmdq_client in struct cmdq_pkt

MediaTek mdp3 driver has the struct cmdq_client information, so
it's not necessary to store struct cmdq_client in struct cmdq_pkt.

Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
---
 drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
index a420d492d879..6aa32ab018b4 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
@@ -298,7 +298,6 @@ static int mdp_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *pkt,
 		return -ENOMEM;
 
 	pkt->buf_size = size;
-	pkt->cl = (void *)client;
 
 	dev = client->chan->mbox->dev;
 	dma_addr = dma_map_single(dev, pkt->va_base, pkt->buf_size,
@@ -314,10 +313,8 @@ static int mdp_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *pkt,
 	return 0;
 }
 
-static void mdp_cmdq_pkt_destroy(struct cmdq_pkt *pkt)
+static void mdp_cmdq_pkt_destroy(struct cmdq_client *client, struct cmdq_pkt *pkt)
 {
-	struct cmdq_client *client = (struct cmdq_client *)pkt->cl;
-
 	dma_unmap_single(client->chan->mbox->dev, pkt->pa_base, pkt->buf_size,
 			 DMA_TO_DEVICE);
 	kfree(pkt->va_base);
@@ -341,7 +338,7 @@ static void mdp_auto_release_work(struct work_struct *work)
 	atomic_dec(&mdp->job_count);
 	wake_up(&mdp->callback_wq);
 
-	mdp_cmdq_pkt_destroy(&cmd->pkt);
+	mdp_cmdq_pkt_destroy(mdp->cmdq_clt, &cmd->pkt);
 	kfree(cmd->comps);
 	cmd->comps = NULL;
 	kfree(cmd);
@@ -388,7 +385,7 @@ static void mdp_handle_cmdq_callback(struct mbox_client *cl, void *mssg)
 		atomic_dec(&mdp->job_count);
 		wake_up(&mdp->callback_wq);
 
-		mdp_cmdq_pkt_destroy(&cmd->pkt);
+		mdp_cmdq_pkt_destroy(mdp->cmdq_clt, &cmd->pkt);
 		kfree(cmd->comps);
 		cmd->comps = NULL;
 		kfree(cmd);
@@ -513,7 +510,7 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
 err_free_comps:
 	kfree(comps);
 err_destroy_pkt:
-	mdp_cmdq_pkt_destroy(&cmd->pkt);
+	mdp_cmdq_pkt_destroy(mdp->cmdq_clt, &cmd->pkt);
 err_free_cmd:
 	kfree(cmd);
 err_cancel_job:
-- 
2.34.1