Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32;
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 v3,20/21] media: medkatek: vcodec: support tee decoder
Date:   Wed, 6 Dec 2023 16:15:37 +0800
Message-ID: <20231206081538.17056-21-yunfei.dong@mediatek.com>
In-Reply-To: <20231206081538.17056-1-yunfei.dong@mediatek.com>
References: <20231206081538.17056-1-yunfei.dong@mediatek.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
Precedence: bulk

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