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From: Moudy Ho <moudy.ho@mediatek.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	Jernej Skrabec <jernej.skrabec@siol.net>
Cc: Maoguang Meng <maoguang.meng@mediatek.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	daoyuan huang <daoyuan.huang@mediatek.com>,
	Ping-Hsun Wu <ping-hsun.wu@mediatek.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Rob Landley <rob@landley.net>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	<linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <tfiga@chromium.org>,
	<drinkcat@chromium.org>, <acourbot@chromium.org>,
	<pihsun@chromium.org>, <menghui.lin@mediatek.com>,
	<sj.huang@mediatek.com>, <ben.lok@mediatek.com>,
	<randy.wu@mediatek.com>, <moudy.ho@mediatek.com>,
	<srv_heupstream@mediatek.com>, <frederic.chen@mediatek.com>
Subject: [RFC PATCH V0 04/10] media: mtk-mdp3: add error handling in error return
Date: Wed, 23 Jun 2021 15:35:43 +0800	[thread overview]
Message-ID: <20210623073549.24170-4-moudy.ho@mediatek.com> (raw)
In-Reply-To: <20210623073549.24170-1-moudy.ho@mediatek.com>

From: daoyuan huang <daoyuan.huang@mediatek.com>

add error handling in missed places.

Signed-off-by: daoyuan huang <daoyuan.huang@mediatek.com>
---
 drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c | 14 +++++++++++++-
 drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c | 16 ++++++++++++++++
 drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.h |  2 ++
 3 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c
index f8bf8fde599c..42a51061677a 100644
--- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c
+++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c
@@ -398,7 +398,17 @@ static void mdp_handle_cmdq_callback(struct cmdq_cb_data data)
 
 	cmdq_pkt_destroy(cb_param->pkt);
 	INIT_WORK(&cb_param->auto_release_work, mdp_auto_release_work);
-	queue_work(mdp->clock_wq, &cb_param->auto_release_work);
+	if (!queue_work(mdp->clock_wq, &cb_param->auto_release_work)) {
+		mdp_err("%s:queue_work fail!\n", __func__);
+		mdp_comp_clocks_off(&mdp->pdev->dev, cb_param->comps,
+				    cb_param->num_comps);
+
+		kfree(cb_param->comps);
+		kfree(cb_param);
+
+		atomic_dec(&mdp->job_count);
+		wake_up(&mdp->callback_wq);
+	}
 }
 
 int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
@@ -495,6 +505,8 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
 					   (void *)cb_param);
 		if (ret) {
 			mdp_err("%s:cmdq_pkt_flush_async fail!\n", __func__);
+			mdp_comp_clocks_off(&mdp->pdev->dev, cb_param->comps,
+					    cb_param->num_comps);
 			kfree(cb_param);
 			kfree(comps);
 		}
diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c
index 23dd413f3423..157ef9408ed3 100644
--- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c
@@ -1072,6 +1072,22 @@ void mdp_comp_clock_off(struct device *dev, struct mdp_comp *comp)
 		pm_runtime_put(comp->comp_dev);
 }
 
+void mdp_comp_clocks_on(struct device *dev, struct mdp_comp *comps, int num)
+{
+	int i;
+
+	for (i = 0; i < num; i++)
+		mdp_comp_clock_on(dev, &comps[i]);
+}
+
+void mdp_comp_clocks_off(struct device *dev, struct mdp_comp *comps, int num)
+{
+	int i;
+
+	for (i = 0; i < num; i++)
+		mdp_comp_clock_off(dev, &comps[i]);
+}
+
 static int mdp_get_subsys_id(struct device *dev, struct device_node *node,
 			     struct mdp_comp *comp)
 {
diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.h b/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.h
index 27d58dc51dce..f201bced3c06 100644
--- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.h
+++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.h
@@ -147,6 +147,8 @@ int mdp_component_init(struct mdp_dev *mdp);
 void mdp_component_deinit(struct mdp_dev *mdp);
 void mdp_comp_clock_on(struct device *dev, struct mdp_comp *comp);
 void mdp_comp_clock_off(struct device *dev, struct mdp_comp *comp);
+void mdp_comp_clocks_on(struct device *dev, struct mdp_comp *comps, int num);
+void mdp_comp_clocks_off(struct device *dev, struct mdp_comp *comps, int num);
 int mdp_comp_ctx_init(struct mdp_dev *mdp, struct mdp_comp_ctx *ctx,
 		      const struct img_compparam *param,
 	const struct img_ipi_frameparam *frame);
-- 
2.18.0


  parent reply	other threads:[~2021-06-23  7:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-23  7:35 [RFC PATCH V0 01/10] media: mtk-mdp3: Add Mediatek MDP Driver Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 02/10] media: mtk-mdp3: fix redundant process done caused KE Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 03/10] media: mtk-mdp3: revise suspend strategy Moudy Ho
2021-06-23  7:35 ` Moudy Ho [this message]
2021-06-23  7:35 ` [RFC PATCH V0 05/10] media: mtk-mdp3: remove unnecessary Null check Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 06/10] media: mtk-mdp3: move clock on to precise place Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 07/10] media: mtk-mdp3: Fix unpaired settings Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 08/10] media: mtk-mdp3: remove illegal device node usage Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 09/10] media: mtk-mdp3: revise error handling about get/probe MDP3 Moudy Ho
2021-06-23  7:35 ` [RFC PATCH V0 10/10] media: mtk-mdp3: Adjust related settings for 5.13-rc1 Moudy Ho
2021-06-23 10:41 ` [RFC PATCH V0 01/10] media: mtk-mdp3: Add Mediatek MDP Driver Chun-Kuang Hu
2021-07-02 12:00 ` Enric Balletbo Serra

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