This is being added to SMU Metrics, so add the required tie-ins in the
kernel. Also create the corresponding unique_id sysfs file.
v2: Add FW version check, remove SMU mutex
v3: Fix style warning
v4: Add IP_VERSION check to FW version check
Signed-off-by: Kent Russell <kent.russell@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 1 +
.../pmfw_if/smu11_driver_if_sienna_cichlid.h | 10 ++++-
.../amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 37 +++++++++++++++++++
3 files changed, 46 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 4151db2678fb..4a9aabc16fbc 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -1993,6 +1993,7 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
case IP_VERSION(9, 4, 0):
case IP_VERSION(9, 4, 1):
case IP_VERSION(9, 4, 2):
+ case IP_VERSION(10, 3, 0):
*states = ATTR_STATE_SUPPORTED;
break;
default:
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
index 3e4a314ef925..037f38b0fa15 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
@@ -1419,8 +1419,11 @@ typedef struct {
uint8_t PcieRate ;
uint8_t PcieWidth ;
uint16_t AverageGfxclkFrequencyTarget;
- uint16_t Padding16_2;
+ uint32_t PublicSerialNumLower32;
+ uint32_t PublicSerialNumUpper32;
+
+ uint16_t Padding16_2;
} SmuMetrics_t;
typedef struct {
@@ -1476,8 +1479,11 @@ typedef struct {
uint8_t PcieRate ;
uint8_t PcieWidth ;
uint16_t AverageGfxclkFrequencyTarget;
- uint16_t Padding16_2;
+ uint32_t PublicSerialNumLower32;
+ uint32_t PublicSerialNumUpper32;
+
+ uint16_t Padding16_2;
} SmuMetrics_V2_t;
typedef struct {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 38f04836c82f..9f0c353f9b42 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -481,6 +481,42 @@ static int sienna_cichlid_setup_pptable(struct smu_context *smu)
return sienna_cichlid_patch_pptable_quirk(smu);
}
+static void sienna_cichlid_get_unique_id(struct smu_context *smu)
+{
+ struct amdgpu_device *adev = smu->adev;
+ struct smu_table_context *smu_table = &smu->smu_table;
+ SmuMetrics_t *metrics =
+ &(((SmuMetricsExternal_t *)(smu_table->metrics_table))->SmuMetrics);
+ SmuMetrics_V2_t *metrics_v2 =
+ &(((SmuMetricsExternal_t *)(smu_table->metrics_table))->SmuMetrics_V2);
+ uint32_t upper32 = 0, lower32 = 0;
+ bool use_metrics_v2;
+ int ret;
+
+ /* Only supported as of version 0.58.83.0 and only on GC 10.3.0 */
+ if (smu->smc_fw_version < 0x3A5300 ||
+ smu->adev->ip_versions[GC_HWIP][0] != IP_VERSION(10, 3, 0))
+ return;
+
+ ret = smu_cmn_get_metrics_table(smu, NULL, false);
+ if (ret)
+ goto out_unlock;
+
+ use_metrics_v2 = ((smu->adev->ip_versions[MP1_HWIP][0] == IP_VERSION(11, 0, 7)) &&
+ (smu->smc_fw_version >= 0x3A4300)) ? true : false;
+
+ upper32 = use_metrics_v2 ? metrics_v2->PublicSerialNumUpper32 :
+ metrics->PublicSerialNumUpper32;
+ lower32 = use_metrics_v2 ? metrics_v2->PublicSerialNumLower32 :
+ metrics->PublicSerialNumLower32;
+
+out_unlock:
+
+ adev->unique_id = ((uint64_t)upper32 << 32) | lower32;
+ if (adev->serial[0] == '\0')
+ sprintf(adev->serial, "%016llx", adev->unique_id);
+}
+
static int sienna_cichlid_tables_init(struct smu_context *smu)
{
struct smu_table_context *smu_table = &smu->smu_table;
@@ -4182,6 +4218,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
.get_ecc_info = sienna_cichlid_get_ecc_info,
.get_default_config_table_settings = sienna_cichlid_get_default_config_table_settings,
.set_config_table = sienna_cichlid_set_config_table,
+ .get_unique_id = sienna_cichlid_get_unique_id,
};
void sienna_cichlid_set_ppt_funcs(struct smu_context *smu)
--
2.25.1
