Add dpm interface to get gpuboard/baseboard temperature metrics

v2: Add temperature metrics support check(Lijo)

Signed-off-by: Asad Kamal <asad.ka...@amd.com>
---
 .../gpu/drm/amd/include/kgd_pp_interface.h    | 81 +++++++++++++++++++
 drivers/gpu/drm/amd/pm/amdgpu_dpm.c           | 60 ++++++++++++++
 drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h       |  4 +
 3 files changed, 145 insertions(+)

diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h 
b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index e2b1ea7467b0..2f7e4b5bebf3 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -30,6 +30,12 @@ extern const struct amdgpu_ip_block_version 
smu_v12_0_ip_block;
 extern const struct amdgpu_ip_block_version smu_v13_0_ip_block;
 extern const struct amdgpu_ip_block_version smu_v14_0_ip_block;
 
+enum smu_temp_metric_type {
+       SMU_TEMP_METRIC_BASEBOARD,
+       SMU_TEMP_METRIC_GPUBOARD,
+       SMU_TEMP_METRIC_MAX,
+};
+
 enum smu_event_type {
        SMU_EVENT_RESET_COMPLETE = 0,
 };
@@ -496,6 +502,8 @@ struct amd_pm_funcs {
        int (*set_df_cstate)(void *handle, enum pp_df_cstate state);
        int (*set_xgmi_pstate)(void *handle, uint32_t pstate);
        ssize_t (*get_gpu_metrics)(void *handle, void **table);
+       ssize_t (*get_temp_metrics)(void *handle, enum smu_temp_metric_type 
type, void *table);
+       bool (*temp_metrics_is_supported)(void *handle, enum 
smu_temp_metric_type type);
        ssize_t (*get_xcp_metrics)(void *handle, int xcp_id, void *table);
        ssize_t (*get_pm_metrics)(void *handle, void *pmmetrics, size_t size);
        int (*set_watermarks_for_clock_ranges)(void *handle,
@@ -1595,6 +1603,79 @@ struct amdgpu_pm_metrics {
        uint8_t data[];
 };
 
+enum amdgpu_vr_temp {
+       AMDGPU_VDDCR_VDD0_TEMP,
+       AMDGPU_VDDCR_VDD1_TEMP,
+       AMDGPU_VDDCR_VDD2_TEMP,
+       AMDGPU_VDDCR_VDD3_TEMP,
+       AMDGPU_VDDCR_SOC_A_TEMP,
+       AMDGPU_VDDCR_SOC_C_TEMP,
+       AMDGPU_VDDCR_SOCIO_A_TEMP,
+       AMDGPU_VDDCR_SOCIO_C_TEMP,
+       AMDGPU_VDD_085_HBM_TEMP,
+       AMDGPU_VDDCR_11_HBM_B_TEMP,
+       AMDGPU_VDDCR_11_HBM_D_TEMP,
+       AMDGPU_VDD_USR_TEMP,
+       AMDGPU_VDDIO_11_E32_TEMP,
+       AMDGPU_VR_MAX_TEMP_ENTRIES,
+};
+
+enum amdgpu_system_temp {
+       AMDGPU_UBB_FPGA_TEMP,
+       AMDGPU_UBB_FRONT_TEMP,
+       AMDGPU_UBB_BACK_TEMP,
+       AMDGPU_UBB_OAM7_TEMP,
+       AMDGPU_UBB_IBC_TEMP,
+       AMDGPU_UBB_UFPGA_TEMP,
+       AMDGPU_UBB_OAM1_TEMP,
+       AMDGPU_OAM_0_1_HSC_TEMP,
+       AMDGPU_OAM_2_3_HSC_TEMP,
+       AMDGPU_OAM_4_5_HSC_TEMP,
+       AMDGPU_OAM_6_7_HSC_TEMP,
+       AMDGPU_UBB_FPGA_0V72_VR_TEMP,
+       AMDGPU_UBB_FPGA_3V3_VR_TEMP,
+       AMDGPU_RETIMER_0_1_2_3_1V2_VR_TEMP,
+       AMDGPU_RETIMER_4_5_6_7_1V2_VR_TEMP,
+       AMDGPU_RETIMER_0_1_0V9_VR_TEMP,
+       AMDGPU_RETIMER_4_5_0V9_VR_TEMP,
+       AMDGPU_RETIMER_2_3_0V9_VR_TEMP,
+       AMDGPU_RETIMER_6_7_0V9_VR_TEMP,
+       AMDGPU_OAM_0_1_2_3_3V3_VR_TEMP,
+       AMDGPU_OAM_4_5_6_7_3V3_VR_TEMP,
+       AMDGPU_IBC_HSC_TEMP,
+       AMDGPU_IBC_TEMP,
+       AMDGPU_SYSTEM_MAX_TEMP_ENTRIES = 32,
+};
+
+enum amdgpu_node_temp {
+       AMDGPU_RETIMER_X_TEMP,
+       AMDGPU_OAM_X_IBC_TEMP,
+       AMDGPU_OAM_X_IBC_2_TEMP,
+       AMDGPU_OAM_X_VDD18_VR_TEMP,
+       AMDGPU_OAM_X_04_HBM_B_VR_TEMP,
+       AMDGPU_OAM_X_04_HBM_D_VR_TEMP,
+       AMDGPU_NODE_MAX_TEMP_ENTRIES = 12,
+};
+
+struct amdgpu_gpuboard_temp_metrics_v1_0 {
+       struct metrics_table_header common_header;
+       uint16_t label_version;
+       uint16_t node_id;
+       uint64_t accumulation_counter;
+       /* Encoded temperature in Celcius, 24:31 is sensor id 0:23 is temp 
value */
+       uint32_t node_temp[AMDGPU_NODE_MAX_TEMP_ENTRIES];
+       uint32_t vr_temp[AMDGPU_VR_MAX_TEMP_ENTRIES];
+};
+
+struct amdgpu_baseboard_temp_metrics_v1_0 {
+       struct metrics_table_header common_header;
+       uint16_t label_version;
+       uint16_t node_id;
+       uint64_t accumulation_counter;
+       /* Encoded temperature in Celcius, 24:31 is sensor id 0:23 is temp 
value */
+       uint32_t system_temp[AMDGPU_SYSTEM_MAX_TEMP_ENTRIES];
+};
+
 struct amdgpu_partition_metrics_v1_0 {
        struct metrics_table_header common_header;
        /* Current clocks (Mhz) */
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c 
b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 71d986dd7a6e..a5e97582d853 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -2037,6 +2037,66 @@ int amdgpu_dpm_get_dpm_clock_table(struct amdgpu_device 
*adev,
        return ret;
 }
 
+/**
+ * amdgpu_dpm_get_temp_metrics - Retrieve metrics for a specific compute
+ * partition
+ * @adev: Pointer to the device.
+ * @type: Identifier for the temperature type metrics to be fetched.
+ * @table: Pointer to a buffer where the metrics will be stored. If NULL, the
+ * function returns the size of the metrics structure.
+ *
+ * This function retrieves metrics for a specific temperature type, If the
+ * table parameter is NULL, the function returns the size of the metrics
+ * structure without populating it.
+ *
+ * Return: Size of the metrics structure on success, or a negative error code 
on failure.
+ */
+ssize_t amdgpu_dpm_get_temp_metrics(struct amdgpu_device *adev,
+                                   enum smu_temp_metric_type type, void *table)
+{
+       const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+       int ret = 0;
+
+       if (!pp_funcs->get_temp_metrics ||
+           !amdgpu_dpm_is_temp_metrics_supported(adev, type))
+               return 0;
+
+       mutex_lock(&adev->pm.mutex);
+       ret = pp_funcs->get_temp_metrics(adev->powerplay.pp_handle, type, 
table);
+       mutex_unlock(&adev->pm.mutex);
+
+       return ret;
+}
+
+/**
+ * amdgpu_dpm_is_temp_metrics_supported - Return if specific temperature 
metrics support
+ * is available
+ * @adev: Pointer to the device.
+ * @type: Identifier for the temperature type metrics to be fetched.
+ *
+ * This function returns metrics if specific temperature metrics type is 
supported or not.
+ *
+ * Return: True in case of metrics type supported else false.
+ */
+bool amdgpu_dpm_is_temp_metrics_supported(struct amdgpu_device *adev,
+                                         enum smu_temp_metric_type type)
+{
+       const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+       bool support_temp_metrics = false;
+
+       if (!pp_funcs->temp_metrics_is_supported)
+               return support_temp_metrics;
+
+       if (is_support_sw_smu(adev)) {
+               mutex_lock(&adev->pm.mutex);
+               support_temp_metrics =
+                       
pp_funcs->temp_metrics_is_supported(adev->powerplay.pp_handle, type);
+               mutex_unlock(&adev->pm.mutex);
+       }
+
+       return support_temp_metrics;
+}
+
 /**
  * amdgpu_dpm_get_xcp_metrics - Retrieve metrics for a specific compute
  * partition
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h 
b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
index 768317ee1486..09962db988d6 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
@@ -526,6 +526,8 @@ int amdgpu_dpm_set_power_profile_mode(struct amdgpu_device 
*adev,
 int amdgpu_dpm_get_gpu_metrics(struct amdgpu_device *adev, void **table);
 ssize_t amdgpu_dpm_get_xcp_metrics(struct amdgpu_device *adev, int xcp_id,
                                   void *table);
+ssize_t amdgpu_dpm_get_temp_metrics(struct amdgpu_device *adev,
+                                   enum smu_temp_metric_type type, void 
*table);
 
 /**
  * @get_pm_metrics: Get one snapshot of power management metrics from PMFW. The
@@ -613,5 +615,7 @@ ssize_t amdgpu_dpm_get_pm_policy_info(struct amdgpu_device 
*adev,
 int amdgpu_dpm_reset_sdma(struct amdgpu_device *adev, uint32_t inst_mask);
 bool amdgpu_dpm_reset_sdma_is_supported(struct amdgpu_device *adev);
 int amdgpu_dpm_reset_vcn(struct amdgpu_device *adev, uint32_t inst_mask);
+bool amdgpu_dpm_is_temp_metrics_supported(struct amdgpu_device *adev,
+                                         enum smu_temp_metric_type type);
 
 #endif
-- 
2.46.0

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