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drm/amdgpu: add status checking after fw is loaded

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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>
This commit is contained in:
Huang Rui 2018-08-05 12:45:35 +08:00 • committed by Alex Deucher
parent 02b29caf18
commit 28a160277a
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
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@ -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;