drm/amdgpu: add psp RAP L0 check support

add PSP RAP L0 check when RAP TA is loaded.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

@@ -2365,6 +2365,7 @@ static int psp_hw_init(void *handle)
 {
 	int ret;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	enum ta_rap_status status = TA_RAP_STATUS__SUCCESS;
 
 	mutex_lock(&adev->firmware.mutex);
 	/*
@@ -2382,7 +2383,14 @@ static int psp_hw_init(void *handle)
 	}
 
 	mutex_unlock(&adev->firmware.mutex);
-	return 0;
+
+	ret = psp_rap_invoke(&adev->psp, TA_CMD_RAP__VALIDATE_L0, &status);
+	if (ret || status != TA_RAP_STATUS__SUCCESS) {
+		dev_err(adev->dev, "RAP: (%d) Failed to Invoke Validate L0, status %d\n",
+			ret, status);
+	}
+
+	return ret;
 
 failed:
 	adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT;