[PATCH v5, 18/23] media: mediatek: vcodec: remove parse nal_info in kernel

[Yunfei Dong]

The hardware can parse syntax to get nal_info, needn't to use cpu.

Signed-off-by: Yunfei Dong <yunfei.d...@mediatek.com>
---
 .../vcodec/decoder/vdec/vdec_h264_req_multi_if.c    | 13 ++-----------
 1 file changed, 2 insertions(+), 11 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 40836673f7fe..f27d326f00ba 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
@@ -645,11 +645,10 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, 
struct mtk_vcodec_mem *bs,
        struct vdec_h264_slice_inst *inst = h_vdec;
        struct vdec_vpu_inst *vpu = &inst->vpu;
        struct mtk_video_dec_buf *src_buf_info;
-       int nal_start_idx, err, timeout = 0;
+       int err, timeout = 0;
        unsigned int data[2];
        struct vdec_lat_buf *lat_buf;
        struct vdec_h264_slice_share_info *share_info;
-       unsigned char *buf;
 
        if (vdec_msg_queue_init(&inst->ctx->msg_queue, inst->ctx,
                                vdec_h264_slice_core_decode,
@@ -673,14 +672,6 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, struct 
mtk_vcodec_mem *bs,
        share_info = lat_buf->private_data;
        src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
 
-       buf = (unsigned char *)bs->va;
-       nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
-       if (nal_start_idx < 0) {
-               err = -EINVAL;
-               goto err_free_fb_out;
-       }
-
-       inst->vsi->dec.nal_info = buf[nal_start_idx];
        lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req;
        v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, 
&lat_buf->ts_info, true);
 
@@ -689,7 +680,7 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, struct 
mtk_vcodec_mem *bs,
                goto err_free_fb_out;
 
        if (!inst->ctx->is_secure_playback)
-               vdec_h264_insert_startcode(inst->ctx->dev, buf, &bs->size,
+               vdec_h264_insert_startcode(inst->ctx->dev, bs->va, &bs->size,
                                           &share_info->h264_slice_params.pps);
 
        *res_chg = inst->resolution_changed;
-- 
2.18.0