drm/amd/powerplay: enable gpu_metrics export on legacy powerplay routines

Enable gpu_metrics support on legacy powerplay routines.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 7e6dcdf..a6321f2 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1598,6 +1598,24 @@ static int pp_set_xgmi_pstate(void *handle, uint32_t pstate)
        return 0;
 }
 
+static ssize_t pp_get_gpu_metrics(void *handle, void **table)
+{
+       struct pp_hwmgr *hwmgr = handle;
+       ssize_t size;
+
+       if (!hwmgr)
+               return -EINVAL;
+
+       if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_gpu_metrics)
+               return -EOPNOTSUPP;
+
+       mutex_lock(&hwmgr->smu_lock);
+       size = hwmgr->hwmgr_func->get_gpu_metrics(hwmgr, table);
+       mutex_unlock(&hwmgr->smu_lock);
+
+       return size;
+}
+
 static const struct amd_pm_funcs pp_dpm_funcs = {
        .load_firmware = pp_dpm_load_fw,
        .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete,
@@ -1658,4 +1676,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = {
        .smu_i2c_bus_access = pp_smu_i2c_bus_access,
        .set_df_cstate = pp_set_df_cstate,
        .set_xgmi_pstate = pp_set_xgmi_pstate,
+       .get_gpu_metrics = pp_get_gpu_metrics,
 };

diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 15ed6cb..1b3529e 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -359,6 +359,7 @@ struct pp_hwmgr_func {
        int (*set_xgmi_pstate)(struct pp_hwmgr *hwmgr, uint32_t pstate);
        int (*disable_power_features_for_compute_performance)(struct pp_hwmgr *hwmgr,
                                        bool disable);
+       ssize_t (*get_gpu_metrics)(struct pp_hwmgr *hwmgr, void **table);
 };
 
 struct pp_table_func {