drm/amd/powerplay: add function get_current_activity_percent for navi10

add callback function get_current_activity_percent for navi10 asic

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index cb6e460..52a6352 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -767,6 +767,25 @@ static int navi10_get_gpu_power(struct smu_context *smu, uint32_t *value)
        return 0;
 }
 
+static int navi10_get_current_activity_percent(struct smu_context *smu,
+                                              uint32_t *value)
+{
+       int ret = 0;
+       SmuMetrics_t metrics;
+
+       if (!value)
+               return -EINVAL;
+
+       ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS,
+                              (void *)&metrics, false);
+       if (ret)
+               return ret;
+
+       *value = metrics.AverageGfxActivity;
+
+       return 0;
+}
+
 static const struct pptable_funcs navi10_ppt_funcs = {
        .tables_init = navi10_tables_init,
        .alloc_dpm_context = navi10_allocate_dpm_context,
@@ -791,6 +810,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
        .force_dpm_limit_value = navi10_force_dpm_limit_value,
        .unforce_dpm_levels = navi10_unforce_dpm_levels,
        .get_gpu_power = navi10_get_gpu_power,
+       .get_current_activity_percent = navi10_get_current_activity_percent,
 };
 
 void navi10_set_ppt_funcs(struct smu_context *smu)