[PATCH] drm/amdgpu: add status checking after fw is loaded

[Huang Rui]

The status field must be 0 after FW is loaded.

Signed-off-by: Huang Rui <ray.huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 9f1a5bd..44bcd03 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -131,6 +131,13 @@ psp_cmd_submit_buf(struct psp_context *psp,
 		msleep(1);
 	}
 
+	/* the status field must be 0 after FW is loaded */
+	if (ucode && psp->cmd_buf_mem->resp.status) {
+		DRM_ERROR("failed loading with status (%d) and ucode id (%d)\n",
+			  psp->cmd_buf_mem->resp.status, ucode->ucode_id);
+		return -EINVAL;
+	}
+
 	return ret;
 }
 
-- 
2.7.4