From 5e86aa29a338f5c25e2d10d021bffc6b1b560ad5 Mon Sep 17 00:00:00 2001 From: Yang Wang Date: Wed, 24 May 2023 13:54:26 +0800 Subject: [PATCH] drm/amd/pm: add unique serial number support for smu_v13_0_6 add unique serial number support for smu_v13_0_6. (use aid0 serial number by default) Signed-off-by: Yang Wang Signed-off-by: Asad Kamal Reviewed-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 20 ++++++++----------- 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index b9f32e0364db..75255e0baf91 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -192,6 +192,7 @@ struct PPTable_t { uint32_t LclkFrequencyTable[4]; uint32_t MaxLclkDpmRange; uint32_t MinLclkDpmRange; + uint64_t PublicSerialNumber_AID; bool Init; }; @@ -352,6 +353,9 @@ static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu) SMUQ10_TO_UINT(metrics->LclkFrequencyTable[i]); } + /* use AID0 serial number by default */ + pptable->PublicSerialNumber_AID = metrics->PublicSerialNumber_AID[0]; + pptable->Init = true; } @@ -1856,19 +1860,11 @@ static void smu_v13_0_6_i2c_control_fini(struct smu_context *smu) static void smu_v13_0_6_get_unique_id(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - //SmuMetrics_t *metrics = smu->smu_table.metrics_table; - uint32_t upper32 = 0, lower32 = 0; - int ret; + struct smu_table_context *smu_table = &smu->smu_table; + struct PPTable_t *pptable = + (struct PPTable_t *)smu_table->driver_pptable; - ret = smu_cmn_get_metrics_table(smu, NULL, false); - if (ret) - goto out; - - //upper32 = metrics->PublicSerialNumUpper32; - //lower32 = metrics->PublicSerialNumLower32; - -out: - adev->unique_id = ((uint64_t)upper32 << 32) | lower32; + adev->unique_id = pptable->PublicSerialNumber_AID; if (adev->serial[0] == '\0') sprintf(adev->serial, "%016llx", adev->unique_id); }