Received-SPF: pass (google.com: domain of linux-kernel+bounces-42255-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
From: Yunfei Dong <yunfei.dong@mediatek.com>
To: Jeffrey Kardatzke <jkardatzke@google.com>,
	=?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?=
	<nfraprado@collabora.com>, Nicolas Dufresne <nicolas.dufresne@collabora.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>, Benjamin Gaignard
	<benjamin.gaignard@collabora.com>, Nathan Hebert <nhebert@chromium.org>
CC: Chen-Yu Tsai <wenst@chromium.org>, Yong Wu <yong.wu@mediatek.com>, Hsin-Yi
 Wang <hsinyi@chromium.org>, Fritz Koenig <frkoenig@chromium.org>, Daniel
 Vetter <daniel@ffwll.ch>, Steve Cho <stevecho@chromium.org>, Yunfei Dong
	<yunfei.dong@mediatek.com>, Sumit Semwal <sumit.semwal@linaro.org>, Brian
 Starkey <Brian.Starkey@arm.com>, John Stultz <jstultz@google.com>, "T . J .
 Mercier" <tjmercier@google.com>, =?UTF-8?q?Christian=20K=C3=B6nig?=
	<christian.koenig@amd.com>, Matthias Brugger <matthias.bgg@gmail.com>,
	<dri-devel@lists.freedesktop.org>, <linaro-mm-sig@lists.linaro.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@mediatek.com>
Subject: [PATCH v4,20/22] media: mediatek: vcodec: support tee decoder
Date: Mon, 29 Jan 2024 14:30:23 +0800
Message-ID: <20240129063025.29251-21-yunfei.dong@mediatek.com>
In-Reply-To: <20240129063025.29251-1-yunfei.dong@mediatek.com>
References: <20240129063025.29251-1-yunfei.dong@mediatek.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain

Initialize tee private data to support secure decoder.
Release tee related information for each instance when decoder
done.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
 .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c
index f47c98faf068..08e7d250487b 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c
@@ -310,6 +310,9 @@ static int fops_vcodec_release(struct file *file)
 	v4l2_fh_exit(&ctx->fh);
 	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
 
+	if (ctx->is_secure_playback)
+		mtk_vcodec_dec_optee_release(dev->optee_private);
+
 	mtk_vcodec_dbgfs_remove(dev, ctx->id);
 	list_del_init(&ctx->list);
 	kfree(ctx);
@@ -466,6 +469,11 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
 	atomic_set(&dev->dec_active_cnt, 0);
 	memset(dev->vdec_racing_info, 0, sizeof(dev->vdec_racing_info));
 	mutex_init(&dev->dec_racing_info_mutex);
+	ret = mtk_vcodec_dec_optee_private_init(dev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to init svp private.");
+		goto err_reg_cont;
+	}
 
 	ret = video_register_device(vfd_dec, VFL_TYPE_VIDEO, -1);
 	if (ret) {
-- 
2.18.0