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authorLijo Lazar <lijo.lazar@amd.com>2025-06-13 14:56:18 +0530
committerAlex Deucher <alexander.deucher@amd.com>2025-06-18 12:19:21 -0400
commit167049012e693ddffb888b61905962a45b75ca95 (patch)
tree497a15a16af4bc114c11e567c001ed47016c1841 /drivers/gpu/drm/amd
parentdrm/amd/pm: Update SMU v13.0.12 pmfw header (diff)
downloadlinux-167049012e693ddffb888b61905962a45b75ca95.tar.gz
linux-167049012e693ddffb888b61905962a45b75ca95.zip
drm/amd/pm: Report pldm version and board voltage
Add support to report PLDM firmware version and board voltage on SMU v13.0.12 SOCs. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c12
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c5
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
index e0d356f93ab0..99663165363e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
@@ -189,6 +189,7 @@ int smu_v13_0_12_get_max_metrics_size(void)
int smu_v13_0_12_setup_driver_pptable(struct smu_context *smu)
{
+ struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context;
struct smu_table_context *smu_table = &smu->smu_table;
StaticMetricsTable_t *static_metrics = (StaticMetricsTable_t *)smu_table->metrics_table;
struct PPTable_t *pptable =
@@ -237,6 +238,17 @@ int smu_v13_0_12_setup_driver_pptable(struct smu_context *smu)
if (ret)
return ret;
+ if (smu_v13_0_6_cap_supported(smu, SMU_CAP(BOARD_VOLTAGE))) {
+ if (!static_metrics->InputTelemetryVoltageInmV) {
+ dev_warn(smu->adev->dev, "Invalid board voltage %d\n",
+ static_metrics->InputTelemetryVoltageInmV);
+ }
+ dpm_context->board_volt = static_metrics->InputTelemetryVoltageInmV;
+ }
+ if (smu_v13_0_6_cap_supported(smu, SMU_CAP(PLDM_VERSION)) &&
+ static_metrics->pldmVersion[0] != 0xFFFFFFFF)
+ smu->adev->firmware.pldm_version =
+ static_metrics->pldmVersion[0];
pptable->Init = true;
}
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 f419472fd749..3db3ad4bf26c 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
@@ -345,6 +345,11 @@ static void smu_v13_0_12_init_caps(struct smu_context *smu)
if (fw_ver >= 0x00562500)
smu_v13_0_6_cap_set(smu, SMU_CAP(HST_LIMIT_METRICS));
+
+ if (fw_ver >= 0x04560100) {
+ smu_v13_0_6_cap_set(smu, SMU_CAP(BOARD_VOLTAGE));
+ smu_v13_0_6_cap_set(smu, SMU_CAP(PLDM_VERSION));
+ }
}
static void smu_v13_0_6_init_caps(struct smu_context *smu)