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

From: Yunfei Dong
Date: Mon Jan 29 2024 - 01:35:34 EST


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@xxxxxxxxxxxx>
---
.../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