Re: [PATCH v2, 14/14] media: mtk-vcodec: Use codec type to separate different hardware

Dafna Hirschfeld
2021-07-19T10:27:03Z

On 17.07.21 10:12, Yunfei Dong wrote:
> There are just one core thread, in order to separeate different
> hardware, using codec type to separeate it in scp driver.
>
> Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
> ---
> v2: no changes
> ---
> .../media/platform/mtk-vcodec/vdec_ipi_msg.h | 12 ++++---
> .../media/platform/mtk-vcodec/vdec_vpu_if.c | 34 ++++++++++++++++---
> .../media/platform/mtk-vcodec/vdec_vpu_if.h | 4 +++
> 3 files changed, 41 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
> index 9d8079c4f976..c488f0c40190 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
> +++ b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
> @@ -35,6 +35,8 @@ enum vdec_ipi_msgid {
> * @msg_id : vdec_ipi_msgid
> * @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
> * @inst_id : instance ID. Used if the ABI version >= 2.
> + * @codec_type : Codec fourcc
> + * @reserved : reserved param
> */
> struct vdec_ap_ipi_cmd {
> uint32_t msg_id;
> @@ -42,6 +44,8 @@ struct vdec_ap_ipi_cmd {
> uint32_t vpu_inst_addr;
> uint32_t inst_id;
> };
> + uint32_t codec_type;
> + uint32_t reserved;
> };
>
> /**
> @@ -59,12 +63,12 @@ struct vdec_vpu_ipi_ack {
> /**
> * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
> * @msg_id : AP_IPIMSG_DEC_INIT
> - * @reserved : Reserved field
> + * @codec_type : Codec fourcc
> * @ap_inst_addr : AP video decoder instance address
> */
> struct vdec_ap_ipi_init {
> uint32_t msg_id;
> - uint32_t reserved;
> + uint32_t codec_type;
> uint64_t ap_inst_addr;
> };
>
> @@ -77,7 +81,7 @@ struct vdec_ap_ipi_init {
> * H264 decoder [0]:buf_sz [1]:nal_start
> * VP8 decoder [0]:width/height
> * VP9 decoder [0]:profile, [1][2] width/height
> - * @reserved : Reserved field
> + * @codec_type : Codec fourcc
> */
> struct vdec_ap_ipi_dec_start {
> uint32_t msg_id;
> @@ -86,7 +90,7 @@ struct vdec_ap_ipi_dec_start {
> uint32_t inst_id;
> };
> uint32_t data[3];
> - uint32_t reserved;
> + uint32_t codec_type;
> };
>
> /**
> diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> index bfd8e87dceff..c84fac52fe26 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> @@ -100,18 +100,29 @@ static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv)
>
> static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, void *msg, int len)
> {
> - int err;
> + int err, id, msgid;
>
> - mtk_vcodec_debug(vpu, "id=%X", *(uint32_t *)msg);
> + msgid = *(uint32_t *)msg;
> + mtk_vcodec_debug(vpu, "id=%X", msgid);
>
> vpu->failure = 0;
> vpu->signaled = 0;
>
> - err = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
> + if (vpu->ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_LAT_SINGLE_CORE) {
> + if (msgid == AP_IPIMSG_DEC_CORE ||
> + msgid == AP_IPIMSG_DEC_CORE_END)
> + id = vpu->core_id;
> + else
> + id = vpu->id;
> + } else {
> + id = vpu->id;
> + }
> +
> + err = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, id, msg,
> len, 2000);
> if (err) {
> mtk_vcodec_err(vpu, "send fail vpu_id=%d msg_id=%X status=%d",
> - vpu->id, *(uint32_t *)msg, err);
> + id, msgid, err);
> return err;
> }
>
> @@ -131,6 +142,7 @@ static int vcodec_send_ap_ipi(struct vdec_vpu_inst *vpu, unsigned int msg_id)
> msg.vpu_inst_addr = vpu->inst_addr;
> else
> msg.inst_id = vpu->inst_id;
> + msg.codec_type = vpu->codec_type;
>
> err = vcodec_vpu_send_msg(vpu, &msg, sizeof(msg));
> mtk_vcodec_debug(vpu, "- id=%X ret=%d", msg_id, err);
> @@ -149,14 +161,25 @@ int vpu_dec_init(struct vdec_vpu_inst *vpu)
>
> err = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
> vpu->handler, "vdec", NULL);
> - if (err != 0) {
> + if (err) {
> mtk_vcodec_err(vpu, "vpu_ipi_register fail status=%d", err);
> return err;
> }
>
> + if (vpu->ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_LAT_SINGLE_CORE) {
> + err = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler,
> + vpu->core_id, vpu->handler,
> + "vdec", NULL);

where is vpu->core_id initialized?

Thanks,
Dafna

> + if (err) {
> + mtk_vcodec_err(vpu, "vpu_ipi_register core fail status=%d", err);
> + return err;
> + }
> + }
> +
> memset(&msg, 0, sizeof(msg));
> msg.msg_id = AP_IPIMSG_DEC_INIT;
> msg.ap_inst_addr = (unsigned long)vpu;
> + msg.codec_type = vpu->codec_type;
>
> mtk_vcodec_debug(vpu, "vdec_inst=%p", vpu);
>
> @@ -187,6 +210,7 @@ int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len)
>
> for (i = 0; i < len; i++)
> msg.data[i] = data[i];
> + msg.codec_type = vpu->codec_type;
>
> err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
> mtk_vcodec_debug(vpu, "- ret=%d", err);
> diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
> index ae24b75d1649..802660770a87 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
> +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
> @@ -14,6 +14,7 @@ struct mtk_vcodec_ctx;
> /**
> * struct vdec_vpu_inst - VPU instance for video codec
> * @id : ipi msg id for each decoder
> + * @core_id : core id used to separate different hardware
> * @vsi : driver structure allocated by VPU side and shared to AP side
> * for control and info share
> * @failure : VPU execution result status, 0: success, others: fail
> @@ -26,9 +27,11 @@ struct mtk_vcodec_ctx;
> * @dev : platform device of VPU
> * @wq : wait queue to wait VPU message ack
> * @handler : ipi handler for each decoder
> + * @codec_type : used codec type to separate different codecs
> */
> struct vdec_vpu_inst {
> int id;
> + int core_id;
> void *vsi;
> int32_t failure;
> uint32_t inst_addr;
> @@ -38,6 +41,7 @@ struct vdec_vpu_inst {
> struct mtk_vcodec_ctx *ctx;
> wait_queue_head_t wq;
> mtk_vcodec_ipi_handler handler;
> + unsigned int codec_type;
> };
>
> /**
>