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From: Ming Qian <ming.qian@nxp.com>
To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl
Cc: shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de,
	kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	xiahong.bao@nxp.com, linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] media: amphion: cancel vpu before release instance
Date: Mon, 21 Nov 2022 14:34:07 +0800	[thread overview]
Message-ID: <20221121063407.7770-1-ming.qian@nxp.com> (raw)

Revert "media: amphion: release m2m ctx when releasing vpu instance"
This reverts commit d91d7bc85062309aae6d8064563ddf17947cb6bc.

Call v4l2_m2m_ctx_release() to cancel vpu,
afterwards release the vpu instance.

Fixes: d91d7bc85062 ("media: amphion: release m2m ctx when releasing vpu instance")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
---
 drivers/media/platform/amphion/vpu_v4l2.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index 30ce9f06d91e..33aaa86d465f 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -681,10 +681,6 @@ static int vpu_v4l2_release(struct vpu_inst *inst)
 		inst->workqueue = NULL;
 	}
 
-	if (inst->fh.m2m_ctx) {
-		v4l2_m2m_ctx_release(inst->fh.m2m_ctx);
-		inst->fh.m2m_ctx = NULL;
-	}
 	v4l2_ctrl_handler_free(&inst->ctrl_handler);
 	mutex_destroy(&inst->lock);
 	v4l2_fh_del(&inst->fh);
@@ -767,6 +763,13 @@ int vpu_v4l2_close(struct file *file)
 
 	vpu_trace(vpu->dev, "tgid = %d, pid = %d, inst = %p\n", inst->tgid, inst->pid, inst);
 
+	vpu_inst_lock(inst);
+	if (inst->fh.m2m_ctx) {
+		v4l2_m2m_ctx_release(inst->fh.m2m_ctx);
+		inst->fh.m2m_ctx = NULL;
+	}
+	vpu_inst_unlock(inst);
+
 	call_void_vop(inst, release);
 	vpu_inst_unregister(inst);
 	vpu_inst_put(inst);
-- 
2.38.1


                 reply	other threads:[~2022-11-21  6:34 UTC|newest]

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