[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Evan Quan <[email protected]>

-----Original Message-----
From: Huang, Ray <[email protected]>
Sent: Wednesday, January 20, 2021 8:13 PM
To: [email protected]
Cc: Deucher, Alexander <[email protected]>; Quan, Evan 
<[email protected]>; Huang, Ray <[email protected]>
Subject: [PATCH] drm/amd/pm: print the timeout of smc message

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

Signed-off-by: Huang Rui <[email protected]>
---
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index e4eff6d9f092..ffd373e63f0d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -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: %10s (%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: %10s (%d) \tparam: 0x%08x response 
%#x\n",
+smu_get_message_name(smu, msg), index, param,
+ret);
 ret = -EIO;
+}
 goto out;
 }

--
2.25.1

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