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

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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@xxxxxxxxxxxx>
---
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;
  };
/**




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