Re: [PATCH v6, 15/15] media: mtk-vcodec: Use codec type to separate different hardware

yunfei.dong
2021-09-02T06:05:45Z

On Wed, 2021-09-01 at 14:17 +0200, Dafna Hirschfeld wrote:
Hi Dafna,

Thanks for your suggestion.
> Hi
>
> On 01.09.21 10:32, Yunfei Dong wrote:
> > There are just one core thread, in order to separeate different
> > hardware, using codec type to separeate it in scp driver.
>
> this code seems to relate to the vpu driver not the scp driver.
> Is there a corresponding code added to the vpu driver that test the
> codec_type?
>
Vpu is video processor unit, used to connect with micro processor.
In mt8173: vdec_vpu_if.c -> mtk_vpu.c -> micro processor
In mt8192/mt8183: vdec_vpu_if.c -> mtk_scp.c ->micro processor

This init/dec start/dec_end interfaces are the same for vpu and scp.
> >
> > Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
> > ---
> > .../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);
>
> so
> > 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) {
>
> could be nice to send a patch with other such fixes,
> anyway it is better to send unrelated fixes in a separate patch
>
will fix in next patch.
> > 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);
> > + 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;
>
> I don't see where is the vpu->codec_type initialzied
>
This patch just add interface to support core hardware decode, in next
serial patches based on these will used codec type to separate after
these base patches are stable.
> Thanks,
> Dafna
>
Thanks
Yunfei Dong
> >
> > 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;
> > };
> >
> > /**
> >