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drm/amd/pm: print the timeout of smc message

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This patch is to help firmware designer to know the smc message timeout
status.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2021-01-20 20:09:41 +08:00 committed by Alex Deucher
parent 2b3a1f515f
commit e484de44b1
1 changed files with 8 additions and 3 deletions
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11
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
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@ -142,10 +142,15 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu,
ret = smu_cmn_wait_for_response(smu);
if (ret != 0x1) {
dev_err(adev->dev, "failed send message: %10s (%d) \tparam: 0x%08x response %#x\n",
smu_get_message_name(smu, msg), index, param, ret);
if (ret != -ETIME)
if (ret == -ETIME) {
dev_err(adev->dev, "message: %15s (%d) \tparam: 0x%08x is timeout (no response)\n",
smu_get_message_name(smu, msg), index, param);
} else {
dev_err(adev->dev, "failed send message: %15s (%d) \tparam: 0x%08x response %#x\n",
smu_get_message_name(smu, msg), index, param,
ret);
ret = -EIO;
}
goto out;
}