[PATCH v4,20/22] media: mediatek: vcodec: support tee decoder

From: Yunfei Dong <yunfei.dong@mediatek.com>
To: "Jeffrey Kardatzke" <jkardatzke@google.com>,
	"Nícolas F . R . A . Prado" <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>,
	"Christian König" <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	[thread overview]
Message-ID: <20240129063025.29251-21-yunfei.dong@mediatek.com> (raw)
In-Reply-To: <20240129063025.29251-1-yunfei.dong@mediatek.com>

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

