From: Kevin Wang <kevin1.wang@amd.com>
Date: Mon, 8 Feb 2021 03:00:03 +0000 (+0800)
Subject: drm/amdgpu: add psp RAP L0 check support
X-Git-Tag: io_uring-5.13-2021-05-07~38^2~12^2~133
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d86fd724e59af96ae5ab6630f4f07a076e9b80cd;p=linux-block.git

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>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 3510be551cdd..691629293d72 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/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;