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-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index 0e60d63ba94f..380811b91350 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1606,7 +1606,8 @@ out_unlock:
mutex_unlock(&smu->metrics_lock);
adev->unique_id = ((uint64_t)upper32 << 32) | lower32;
- sprintf(adev->serial, "%016llx", adev->unique_id);
+ if (adev->serial[0] == '\0')
+ sprintf(adev->serial, "%016llx", adev->unique_id);
}
static bool aldebaran_is_baco_supported(struct smu_context *smu)