[PATCH 1/2] drm/amdgpu: Add psp command CONFIG_SQ_PERFMON

[Feifei Xu]

Add support for enable/disable perfmon profiling.

Signed-off-by: Feifei Xu <Feifei.Xu at amd.com>
Suggested-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 38 +++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h |  4 +++
 drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h | 12 ++++++++
 3 files changed, 54 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index e9e599ff3bd4..390f7aecf59c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -639,6 +639,8 @@ static const char *psp_gfx_cmd_name(enum psp_gfx_cmd_id cmd_id)
 		return "AUTOLOAD_RLC";
 	case GFX_CMD_ID_BOOT_CFG:
 		return "BOOT_CFG";
+	case GFX_CMD_ID_CONFIG_SQ_PERFMON:
+		return "CONFIG_SQ_PERFMON";
 	default:
 		return "UNKNOWN CMD";
 	}
@@ -3719,6 +3721,42 @@ int psp_init_cap_microcode(struct psp_context *psp, const char *chip_name)
 	return err;
 }
 
+int psp_config_sq_perfmon(struct psp_context *psp,
+		uint32_t xcp_id, bool core_override_enable,
+		bool reg_override_enable, bool perfmon_override_enable)
+{
+    int ret;
+
+    if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+    if (xcp_id > MAX_XCP) {
+	    dev_err(psp->adev->dev, "invalid xcp_id %d\n", xcp_id);
+		return -EINVAL;
+	}
+
+	if (amdgpu_ip_version(psp->adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 6)) {
+		dev_err(psp->adev->dev, "Unsupported MP0 version 0x%x for CONFIG_SQ_PERFMON command\n",
+			amdgpu_ip_version(psp->adev, MP0_HWIP, 0));
+		return -EINVAL;
+	}
+    struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
+
+    cmd->cmd_id	=	GFX_CMD_ID_CONFIG_SQ_PERFMON;
+    cmd->cmd.config_sq_perfmon.gfx_xcp_mask	=	BIT_MASK(xcp_id);
+    cmd->cmd.config_sq_perfmon.core_override	=	core_override_enable;
+    cmd->cmd.config_sq_perfmon.reg_override	=	reg_override_enable;
+    cmd->cmd.config_sq_perfmon.perfmon_override = perfmon_override_enable;
+
+    ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+    if (ret)
+		dev_warn(psp->adev->dev, "PSP failed to config sq: xcp%d core%d reg%d perfmon%d\n",
+			xcp_id, core_override_enable, reg_override_enable, perfmon_override_enable);
+
+    release_psp_cmd_buf(psp);
+    return ret;
+}
+
 static int psp_set_clockgating_state(void *handle,
 				     enum amd_clockgating_state state)
 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 74a96516c913..4cabfb7cac8d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -553,4 +553,8 @@ int is_psp_fw_valid(struct psp_bin_desc bin);
 
 int amdgpu_psp_wait_for_bootloader(struct amdgpu_device *adev);
 bool amdgpu_psp_get_ras_capability(struct psp_context *psp);
+
+int psp_config_sq_perfmon(struct psp_context *psp, uint32_t xcp_id,
+	bool core_override_enable, 	bool reg_override_enable, bool perfmon_override_enable);
+
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h b/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
index 37b5ddd6f13b..18717afc5f64 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
+++ b/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
@@ -103,6 +103,8 @@ enum psp_gfx_cmd_id
     GFX_CMD_ID_AUTOLOAD_RLC       = 0x00000021,   /* Indicates all graphics fw loaded, start RLC autoload */
     GFX_CMD_ID_BOOT_CFG           = 0x00000022,   /* Boot Config */
     GFX_CMD_ID_SRIOV_SPATIAL_PART = 0x00000027,   /* Configure spatial partitioning mode */
+    /*IDs of performance monitoring/profiling*/
+    GFX_CMD_ID_CONFIG_SQ_PERFMON = 0x00000046,   /* Config CGTT_SQ_CLK_CTRL */
 };
 
 /* PSP boot config sub-commands */
@@ -351,6 +353,15 @@ struct psp_gfx_cmd_sriov_spatial_part {
 	uint32_t override_this_aid;
 };
 
+/*Structure for sq performance monitoring/profiling enable/disable*/
+struct psp_gfx_cmd_config_sq_perfmon {
+	uint32_t        gfx_xcp_mask;
+	uint8_t         core_override;
+	uint8_t         reg_override;
+	uint8_t         perfmon_override;
+	uint8_t         reserved[5];
+};
+
 /* All GFX ring buffer commands. */
 union psp_gfx_commands
 {
@@ -365,6 +376,7 @@ union psp_gfx_commands
     struct psp_gfx_cmd_load_toc         cmd_load_toc;
     struct psp_gfx_cmd_boot_cfg         boot_cfg;
     struct psp_gfx_cmd_sriov_spatial_part cmd_spatial_part;
+    struct psp_gfx_cmd_config_sq_perfmon config_sq_perfmon;
 };
 
 struct psp_gfx_uresp_reserved
-- 
2.34.1