[AMD Official Use Only - Internal Distribution Only]

________________________________
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of Huang Rui 
<ray.hu...@amd.com>
Sent: Wednesday, January 20, 2021 8:13 PM
To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
Cc: Deucher, Alexander <alexander.deuc...@amd.com>; Quan, Evan 
<evan.q...@amd.com>; Huang, Ray <ray.hu...@amd.com>
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 <ray.hu...@amd.com>
---
 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;
[kevin]:
the print format %10s is right aligned by default, change to %-10s is better to 
show it in kernel log.
and change 10 to 15 is better to adapt for all SMU msg names..

Reviewed-by: Kevin Wang <kevin1.w...@amd.com>

Best Regards,
Kevin

+               }
                 goto out;
         }

--
2.25.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&amp;data=04%7C01%7CKevin1.Wang%40amd.com%7C0d1fa26019a94de6aefe08d8bd3cd3c1%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637467416247588610%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=lUw0Kl44HCu83kjeTqCsSNP62KztSTGO80w6Yl6RaXc%3D&amp;reserved=0
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Reply via email to