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From ace564d038f9fb09c274fdc7bae9a83b402c6add Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Sun, 5 Aug 2018 12:45:35 +0800
Subject: [PATCH 0158/2940] drm/amdgpu: add status checking after fw is loaded
The status field must be 0 after FW is loaded.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 58e20385eab5..bd397d2916fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -134,6 +134,13 @@ 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;
+ }
+
if (ucode) {
ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
--
2.17.1
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