linux-kernel - [PATCH v3,13/21] media: mediatek: vcodec: using shared memory as vsi address

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Message-ID: <20231206081538.17056-14-yunfei.dong@mediatek.com>
Date:   Wed, 6 Dec 2023 16:15:30 +0800
From:   Yunfei Dong <yunfei.dong@...iatek.com>
To:     Jeffrey Kardatzke <jkardatzke@...gle.com>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Nathan Hebert <nhebert@...omium.org>
CC:     Chen-Yu Tsai <wenst@...omium.org>, Yong Wu <yong.wu@...iatek.com>,
        "Hsin-Yi Wang" <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        "Daniel Vetter" <daniel@...ll.ch>,
        Steve Cho <stevecho@...omium.org>,
        Yunfei Dong <yunfei.dong@...iatek.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        "Brian Starkey" <Brian.Starkey@....com>,
        John Stultz <jstultz@...gle.com>,
        "T . J . Mercier" <tjmercier@...gle.com>,
        Christian König <christian.koenig@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linaro-mm-sig@...ts.linaro.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v3,13/21] media: mediatek: vcodec: using shared memory as vsi address

The vsi buffer is allocated by tee share memory for svp mode, need to
use the share memory as the vsi address to store vsi data.

Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
---
 .../vcodec/decoder/vdec/vdec_h264_req_multi_if.c         | 9 +++++++--
 .../media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c | 8 ++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c
index 0e741e0dc8ba..4967e0f0984d 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c
@@ -417,8 +417,13 @@ static int vdec_h264_slice_init(struct mtk_vcodec_dec_ctx *ctx)
 
 	vsi_size = round_up(sizeof(struct vdec_h264_slice_vsi), VCODEC_DEC_ALIGNED_64);
 	inst->vsi = inst->vpu.vsi;
-	inst->vsi_core =
-		(struct vdec_h264_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
+	if (ctx->is_secure_playback)
+		inst->vsi_core =
+			mtk_vcodec_dec_get_shm_buffer_va(ctx->dev->optee_private, MTK_VDEC_CORE,
+							 OPTEE_DATA_INDEX);
+	else
+		inst->vsi_core =
+			(struct vdec_h264_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
 	inst->resolution_changed = true;
 	inst->realloc_mv_buf = true;
 
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
index 5336769a3fb5..5c31641e9abe 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
@@ -18,8 +18,12 @@ static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg)
 
 	/* mapping VPU address to kernel virtual address */
 	/* the content in vsi is initialized to 0 in VPU */
-	vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
-					     msg->vpu_inst_addr);
+	if (vpu->ctx->is_secure_playback)
+		vpu->vsi = mtk_vcodec_dec_get_shm_buffer_va(vpu->ctx->dev->optee_private,
+							    MTK_VDEC_LAT0, OPTEE_DATA_INDEX);
+	else
+		vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
+						     msg->vpu_inst_addr);
 	vpu->inst_addr = msg->vpu_inst_addr;
 
 	mtk_vdec_debug(vpu->ctx, "- vpu_inst_addr = 0x%x", vpu->inst_addr);
-- 
2.18.0